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Epson EMP-7850 User Manual
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Epson EMP-7850 User Manual

Epson EMP-7850 User Manual

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Summary of Contents for Epson EMP-7850

  • Page 1 User’s Guide...

  • Page 2: Features Of The Projector

    EMP-7850 User’s Guide Features of the Projector • If vertical keystone correction causes the Network Correspondence height of projected images to be too Some examples of the projector's many useful functions include: short, the height of the projection area can •...
  • Page 3 EMP-7850 User’s Guide Features of the Projector Features of the Projector Brilliant, attractive images Colour mode function Optimum images can be projected simply by selecting the image quality The projector can display images at high resolutions with a high degree of from the following five preset settings according to the projection luminance.

  • Page 4: Table Of Contents

    EMP-7850 User’s Guide Contents Features of the Projector .......... 1 Playing Sound from the Video Equipment....31 Playing Sound from External Speakers....32 Before Using the Projector Connecting to a Digital Camera.......33 Connecting to a Digital Camera Using a USB Cable....33 Part Names and Functions ........6 Removing the USB Cable from the Projector ......33...

  • Page 5: Advanced Operations

    EMP-7850 User’s Guide Advanced Operations Appendices Functions for Enhancing Projection ......62 Maintenance ............119 A/V Mute Function ..............62 Cleaning..................119 Freeze Function ................63 Replacing Consumables ............120 E-Zoom Function ............... 63 Saving a User's Logo ..........126 P in P (Picture in Picture) Function..........64 Optional Accessories..........129...

  • Page 6: Before Using The Projector

    Before Using the Projector This chapter describes the procedures for setting up the projector before use. Part Names and Functions........6 • Projecting Images from the Computer......19 • If the Monitor Port is a Mini D-Sub 15-pin Port .......... 19 •...

  • Page 7: Part Names And Functions

    EMP-7850 User’s Guide Part Names and Functions The illustration below shows the projector with a standard lens fitted. Front/Top/Side • • Zoom ring p.42 (Temperature) indicator p.97 Adjusts the image size. Flashes or lights in different colours to indicate problems with the internal temperature of the projector.

  • Page 8: Base

    EMP-7850 User’s Guide Part Names and Functions Base Rear • • Suspension bracket fixing points • Security lock ( ) p.131 Air intake vents (4 points) p.14, p.129 p.119 • Remote control light- Connect an optional ceiling mount here when Clean the air filters suspending the projector from the ceiling.

  • Page 9: Remote Control

    EMP-7850 User’s Guide Remote Control If you position the over the button icon or button name, a description of that button will appear. • • Remote control light-emitting area p.13 [Power] button p.36, p.40 • • Indicator [R/C] switch p.12 •...

  • Page 10: Control Panel

    EMP-7850 User’s Guide Part Names and Functions Control Panel Buttons with no description are the same as the remote control buttons. Refer to the remote control descriptions for details. • [Auto/Enter] button p.53, p.92, p.95 Works the same as the [Auto] button on the remote control.

  • Page 11: Input/Output Ports

    EMP-7850 User’s Guide Part Names and Functions Input/Output Ports • • • [Monitor Out] port p.26 [USB TypeA] port p.33 [USB TypeB] port p.24, p.134 Outputs analogue-RGB signals from a Connects a digital camera to the projector When the projector is connected to a computer...

  • Page 12: Before Using The Remote Control

    EMP-7850 User’s Guide Before Using the Remote Control Inserting the Batteries Insert the batteries. Check the positions of the (+) and (–) marks inside the battery The batteries are not already inserted into the remote control at the time the holder to ensure that the batteries are inserted the correct way.

  • Page 13: Using The Remote Control And Remote Operating Range

    EMP-7850 User’s Guide Before Using the Remote Control Using the Remote Control and Remote Operating Range • Do not allow sunlight or light from fluorescent lamps to shine Using the Remote Control directly onto the projector's remote control light-receiving areas, otherwise it may interfere with the reception of signals from the The remote control is used in the following way.

  • Page 14: Remote Operating Range

    EMP-7850 User’s Guide Before Using the Remote Control Operating angle (vertical) Remote Operating Range Operating distance Operating distance Use the remote control within the ranges indicated below. If the distance or approx. 10 m (30 ft.) approx. 10 m (30 ft.)

  • Page 15: Installation

    EMP-7850 User’s Guide Installation Setting Up the Projector • Front/ceiling projection The projector supports the following four different projection methods, allowing you to choose the best method for displaying your images. CAUTION Before setting up the projector, be sure to first read the separate Safety Instructions/World-Wide Warranty Terms.

  • Page 16: Screen Size And Projection Distance

    EMP-7850 User’s Guide Installation Screen Size and Projection Distance The distance from the lens to the screen determines the actual image size. The recommended distance and projection distance values given below are Screen for when the projector is fitted with a standard lens. If the projector has been fitted with an optional lens, refer to the documentation provided with the lens.

  • Page 17: Inserting And Removing Cards

    EMP-7850 User’s Guide Inserting and Removing Cards Inserting and removing PC cards will be explained using the included wireless PROCEDURE LAN card provided as an example. When using other cards, or inserting or Hold the wireless LAN card with the face outward and insert removing a card in a PC card slot on a computer, refer to the documentation it into the projector card slot.

  • Page 18: Removal

    EMP-7850 User’s Guide Inserting and Removing Cards Removal PROCEDURE Press the eject button above the card slot. CAUTION The eject button will pop out. • Do not remove a PC card when the access lamp is lit green, when Access lamp connected to a network or when projecting a scenario.

  • Page 19: Connecting To A Computer

    EMP-7850 User’s Guide Connecting to a Computer • Condition 2: The display resolution and frequency of the computer CAUTION must be listed in the "List of Supported Monitor Displays". p.136 Some computers allow you to change the output resolution, so if When connecting the projector to a computer, be sure to check the necessary, change the resolution to one that matches a setting in the "List...

  • Page 20: Projecting Images From The Computer

    EMP-7850 User’s Guide Connecting to a Computer Projecting Images from the Computer The shape and specifications of the computer's monitor port will determine • After projection starts, change the "Computer Input" setting in the what type of cable should be used. Check the following to see which type "Setting"...

  • Page 21: If The Monitor Port Is A 13W3 Port

    EMP-7850 User’s Guide Connecting to a Computer If the Monitor Port is a 13w3 Port Some workstation-type computers have a 13w3 monitor port. In such cases, use a commercially-available 13w3 ⇔ D-Sub 15-pin cable • After projection starts, change the "Computer Input" setting in the "Setting"...

  • Page 22: If The Monitor Ports Are A 5Bnc Ports

    EMP-7850 User’s Guide Connecting to a Computer If the Monitor Ports are a 5BNC Ports Either of the following two connection methods can be used depending on the connection ports or the type of cable being used. • After projection starts, change the "Computer Input" setting in the "Setting"...

  • Page 23: If The Monitor Port Is A Digital Rgb Port

    EMP-7850 User’s Guide Connecting to a Computer If connecting to the [BNC] ports If the Monitor Port is a Digital RGB Port Use the optional -D/DVI-D digital video cable or DVI-D/DFP digital video cable to make the connection. Colour varies...

  • Page 24: If Connecting More Than One Computer

    EMP-7850 User’s Guide Connecting to a Computer If Connecting More Than One Computer The ports shown below can be used to connect computers to the projector. If computers are connected to all of the ports shown below, a maximum of three computers can be connected.

  • Page 25: Using The Remote Control To Operate The Mouse Pointer (Wireless Mouse Function)

    EMP-7850 User’s Guide Connecting to a Computer Using the Remote Control to Operate the Mouse Pointer (Wireless Mouse Function) • The USB cable can only be connected to computers with a standard You can use the remote control as a wireless mouse to control the mouse USB interface.
  • Page 26 EMP-7850 User’s Guide Connecting to a Computer Once the connection has been made, the mouse pointer can be operated as follows. • If the mouse button settings have been reversed at the computer, the Moving the mouse pointer Left click operation of the remote control buttons will also be reversed.

  • Page 27: Connecting An External Monitor

    EMP-7850 User’s Guide Connecting to a Computer Connecting an External Monitor When analogue RGB signals from a computer connected by a computer cable are being projected, you can connect an external monitor to the projector in order to view the images on the external monitor at times such as when giving presentations.

  • Page 28: Connecting To A Video Source

    EMP-7850 User’s Guide Connecting to a Video Source Projecting Composite Video Images CAUTION Use the accessory RCA video cable to make the connections. When connecting the projector to other video sources, take the following precautions. • Turn the power off for both the projector and the video source before connecting them.

  • Page 29: Projecting S-Video Images

    EMP-7850 User’s Guide Connecting to a Video Source Projecting S-Video Images Projecting Component Video Images Use a commercially-available S-Video cable to make the connections. Use a commercially-available component video cable and three conversion adapters to make the connections. blue green...

  • Page 30: Projecting Rgb Video Images

    EMP-7850 User’s Guide Connecting to a Video Source If the RGB Output Port is a Mini D-Sub 15-pin Port Use the accessory computer cable to make the connections. • After projection starts, change the "BNC Input" setting in the "Setting" menu to either "YCbCr...

  • Page 31: If The Rgb Output Ports Are The 3Bnc Ports

    EMP-7850 User’s Guide Connecting to a Video Source If the RGB Output Ports are the 3BNC Ports Use a commercially-available RGB video cable to make the connections. blue green To RGB output ports To [BNC] ports RGB video cable (commercially-available) •...

  • Page 32: Playing Sound From The Video Equipment

    EMP-7850 User’s Guide Playing Sound from the Video Equipment The projector has a built-in speaker with a maximum output of 5 W. You can output sound from the connected video equipment (such as a computer or video deck) through the projector's built-in speaker if the video •...

  • Page 33: Playing Sound From External Speakers

    EMP-7850 User’s Guide Playing Sound from External Speakers You can connect speakers with built-in amplifiers to the projector's [Audio Out] port in order to enjoy a fuller quality of sound. Use a commercially-available audio cable with pin jack ⇔ stereo mini jack (3.5 mm) plugs or similar.

  • Page 34: Connecting To A Digital Camera

    EMP-7850 User’s Guide Connecting to a Digital Camera Connecting to a Digital Camera Using a USB Cable Removing the USB Cable from the Projector Connect a digital camera to the projector using a USB cable provided with, or When you have finished projecting remove the USB cable from the projector specified for use with your digital camera.

  • Page 35: Basic Operations

    Basic Operations This chapter describes basic operations such as turning projection on and off and adjusting the projected images. Turning the Projector On........35 Adjusting the Image Quality....... 51 • Connecting the Power Cable ..........35 • Projecting Easy-to-see Images Without a Screen (Wall Shot)................

  • Page 36: Turning The Projector On

    EMP-7850 User’s Guide Turning the Projector On Turn the power on to start projecting images. Connect the accessory power cable to the projector. Check that the power connector is facing the same way as the CAUTION power inlet on the projector, and then insert the power cable Be sure to read the Safety Instructions/World-Wide Warranty Terms connector securely into the projector.

  • Page 37: Turning The Power On And Projecting Images

    EMP-7850 User’s Guide Turning the Projector On Turning the Power On and Projecting Images Press the [Power] button on either the remote control or the projector's control panel to turn the power on for the projector. indicator flashes green. After a short period it stops If Password Protect has been enabled, the Password Protect Release flashing and lights steadily, and projection starts.
  • Page 38 EMP-7850 User’s Guide Turning the Projector On *1 When these buttons are pressed once, the signal name that is currently If more than one external device is connected to the set using the configuration menus appears on the screen. You can...

  • Page 39: Selecting An Image Source While Viewing Projected Images (Preview Function)

    EMP-7850 User’s Guide Turning the Projector On Selecting an Image Source While Viewing Projected Images (Preview Function) • If only one signal source has been connected, the signals from that The preview function lets you project the images from the currently-...
  • Page 40 EMP-7850 User’s Guide Turning the Projector On Tilt the [ ] button to select the images to be projected. • You can hear the sound for the images in the active window while Move the red box until the desired image is selected.

  • Page 41: Turning The Projector Off

    EMP-7850 User’s Guide Turning the Projector Off Follow the procedure below to turn the projector off. CAUTION If the message "The projector is overheated. Clean or replace the air PROCEDURE filter and lower the room temperature." appears on the screen, press...
  • Page 42 EMP-7850 User’s Guide Turning the Projector Off If not using the projector for a long period, unplug the Attach the lens cover. power cable from the electrical outlet. Attach the lens cover to the lens when not using the projector, in order to stop the lens from getting dusty or dirty.

  • Page 43: Adjusting The Screen Image

    EMP-7850 User’s Guide Adjusting the Screen Image You can correct and adjust the screen images in order to obtain the best Focusing the Screen Images (Focus Adjustment) possible pictures. PROCEDURE Adjusting the Image Size (Zoom Function) Turn the focus ring to adjust the image focus.

  • Page 44: Adjusting The Image Angle

    EMP-7850 User’s Guide Adjusting the Screen Image Adjusting the Image Angle When projecting from the side of the screen If the projector cannot be set up directly in front of the screen, you can If the projector is set up so that it is at a horizontal or vertical angle to the project images at a horizontal angle to the screen.

  • Page 45: Adjusting The Feet

    EMP-7850 User’s Guide Adjusting the Screen Image Adjusting the Feet The front adjustable foot and the rear adjustable feet can be extended and retracted to adjust the tilt of the projector to a maximum of 12º upwards If the projector is tilted vertically or horizontally, turn the bases of the rear adjustable feet to make fine adjustments to the height of the and 4º...

  • Page 46: Manually Correcting Keystone Distortion

    EMP-7850 User’s Guide Adjusting the Screen Image Manually Correcting Keystone Distortion This projector is equipped with the following two keystone correction functions. Use whichever function is appropriate for the keystone This projector is equipped with an automatic keystone correction function distortion that appears.

  • Page 47: Automatic Keystone Correction

    EMP-7850 User’s Guide Adjusting the Screen Image Automatic keystone correction When the projector has been tilted vertically, automatic keystone • The "Auto Keystone", "H/V-Keystone" and "Quick Corner" correction is carried out so that images with no distortion are projected. functions cannot both be used together to correct keystone distortion.

  • Page 48: Vertical Correction And Horizontal Correction

    EMP-7850 User’s Guide Adjusting the Screen Image Vertical correction and horizontal correction PROCEDURE Vertical correction and horizontal correction can be carried out using either If the top of the If the bottom of the the projector's control panel or the configuration menus. This procedure...

  • Page 49: Height Correction

    EMP-7850 User’s Guide Adjusting the Screen Image Tilt the [ ] button on the remote control to the left or right, or press the [ ] or [ ] buttons on the projector's control panel to correct the height while If the value displayed in the gauge on the screen stops changing when viewing the projected images.

  • Page 50: Correcting Keystone Distortion So That The Projection Area Fits The Screen Exactly (Quick Corner)

    EMP-7850 User’s Guide Adjusting the Screen Image Correcting Keystone Distortion so that the Projection PROCEDURE Area Fits the Screen Exactly (Quick Corner) Press the [ ], [ ], [ ] or [ ] button on the Quick Corner correction can be carried out using either the projector's projector's control panel.
  • Page 51 EMP-7850 User’s Guide Adjusting the Screen Image Press the [Auto/Enter] button on the projector's control panel and then select the corner to be corrected on the screen. • If you press down the [ESC] button on the remote control or the...

  • Page 52: Adjusting The Image Quality

    EMP-7850 User’s Guide Adjusting the Image Quality The quality of the projected images can be adjusted as follows. PROCEDURE The Wall Shot function can be operated using either the remote control or Projecting Easy-to-see Images Without a Screen the projector's control panel.
  • Page 53 EMP-7850 User’s Guide Adjusting the Image Quality To change the status, press the [Wall Shot] button while the status is being displayed on the screen. • When the projector's power is turned off, images will be projected For example, if you press the [Wall Shot] button while "Wall Shot OFF"...

  • Page 54: Adjusting Computer Images

    EMP-7850 User’s Guide Adjusting the Image Quality Adjusting Computer Images Automatic Setup • If "Auto Setup" in the "Advanced2" menu is set to "OFF" (the default setting for this command is "ON"), automatic setup is not Automatic setup detects analogue RGB signals coming from a connected carried out.

  • Page 55: Adjusting The Tracking

    EMP-7850 User’s Guide Adjusting the Image Quality While holding down the [Shift] button on the projector's Adjusting the Tracking control panel, press the [ ] button. If vertical stripes appear in the projected images, The tracking value decreases each time the button is pressed.

  • Page 56: Adjusting The Sync

    EMP-7850 User’s Guide Adjusting the Image Quality While holding down the [Shift] button on the projector's Adjusting the Sync control panel, press the [ ] button. If flickering, fuzziness or interference appear in The sync value decreases each time the button is pressed.

  • Page 57: Selecting The Projection Quality (Colour Mode Selection)

    EMP-7850 User’s Guide Adjusting the Image Quality Selecting the Projection Quality PROCEDURE (Colour Mode Selection) Selecting the colour mode can be carried out using either the remote control or the configuration menus. This procedure explains how to The following five preset colour modes are available for use depending on use the remote control to select the colour mode.

  • Page 58: Adjusting The Volume

    EMP-7850 User’s Guide Adjusting the Volume You can adjust the volume for the sound from the projector's built-in speaker or from the external speakers that are connected to the projector. PROCEDURE The volume can be adjusted using either the remote control, the projector's control panel or the configuration menus.

  • Page 59: Preventing Theft (Password Protect)

    EMP-7850 User’s Guide Preventing theft (Password Protect) The projector is provided with a Password Protect function. When If you leave the power plug connected to the electrical outlet, the Password Password Protect is set to "ON", a password entry screen is displayed when...

  • Page 60: Entering A Password With The Remote Control

    EMP-7850 User’s Guide Preventing theft (Password Protect) Entering a password with the remote control Changing the Password Protect settings Press the [Num] button on the remote control to enter the password. Follow the procedure given below to enable Password Protect and to set If you press the [Num] button, it will light up and the remote control the password.
  • Page 61 EMP-7850 User’s Guide Preventing theft (Password Protect) Set Password Protect to "ON" and then press the Re-enter the password that you entered in step 5. [Enter] button on the remote control or the [Auto/ The message "The new password is stored." will be displayed.
  • Page 62 Advanced Operations This chapter describes functions for enhancing the projection of images, and how to use the configuration menus. Functions for Enhancing Projection ....62 Using the Configuration Menu Functions..75 • A/V Mute Function .............62 • List of Functions ..............76 •...

  • Page 63: Functions For Enhancing Projection

    A/V Mute function was activated. The default user's logo is the EPSON logo. You can change the user's PROCEDURE logo by recording and setting your own logo.

  • Page 64: Freeze Function

    EMP-7850 User’s Guide Functions for Enhancing Projection Functions for Enhancing Projection Freeze Function E-Zoom Function This function pauses only the projected images. The sound keeps playing This function lets you enlarge and reduce a parts of projected images such without pausing.

  • Page 65: P In P (Picture In Picture) Function

    EMP-7850 User’s Guide Functions for Enhancing Projection Functions for Enhancing Projection P in P (Picture in Picture) Function When the [ ] button is pressed, the image is enlarged with the cross at its centre. When the [ ] button is This function lets you display separate images in a smaller screen (sub- pressed, the enlarged image is then reduced.
  • Page 66 EMP-7850 User’s Guide Functions for Enhancing Projection Functions for Enhancing Projection When you press the [Enter] button, the operation guide screen will disappear and the display position Tilt the [ ] button on the remote control to change the and size for the sub-screen will be accepted.

  • Page 67: Effect Function

    EMP-7850 User’s Guide Functions for Enhancing Projection Functions for Enhancing Projection Effect Function Tilt the [ ] button to move the pointer icon. You can display a pointer icon on the images being projected, and then use the remote control to draw straight and curved lines.

  • Page 68: Drawing Straight And Curved Lines

    EMP-7850 User’s Guide Functions for Enhancing Projection Functions for Enhancing Projection Set the starting point for the line. Drawing Straight and Curved Lines You can draw straight lines to emphasise aspects of an image, and draw Straight line : Move the pointer icon to the starting point for the freehand lines to circle parts of the image at times such as when giving line and press the [Enter] button.

  • Page 69: Preset Function

    EMP-7850 User’s Guide Functions for Enhancing Projection Functions for Enhancing Projection Preset Function When projecting analogue RGB video signals being input from a computer • The thickness and colour of the line cannot be changed by pressing connected by a computer cable, you can change the settings for these the [Effect] button during the time in between when the starting signals using the "Video"...
  • Page 70 EMP-7850 User’s Guide Functions for Enhancing Projection Functions for Enhancing Projection Once the settings have been made, select "Preset" in the sub-menu and then press the [Enter] button on the remote control or the [Auto/Enter] button on the The preset numbers that have an input resolution displayed have projector's control panel.

  • Page 71: Changing The Resize/Aspect Ratio

    EMP-7850 User’s Guide Functions for Enhancing Projection Functions for Enhancing Projection Changing the Resize/Aspect Ratio Applying Saved "Video" Menu Settings PROCEDURE When using EasyMP, the display cannot be switched between resized display and real display and the aspect ratio cannot be changed.
  • Page 72 EMP-7850 User’s Guide Functions for Enhancing Projection Functions for Enhancing Projection If the input resolution is lower than the panel resolution (1024 × 768) Resized display Real display • The display methods for projected images are stored individually for each video source.

  • Page 73: Projecting Wide-Screen Images From Video Equipment

    EMP-7850 User’s Guide Functions for Enhancing Projection Functions for Enhancing Projection HDTV Projecting Wide-screen Images from Video Equipment When images that are output in 16:9 format are displayed at an aspect ratio You can switch the aspect ratio between 4:3 and 16:9 when...

  • Page 74: Projector Id/Remote Control Id

    EMP-7850 User’s Guide Functions for Enhancing Projection Functions for Enhancing Projection Projector ID/Remote Control ID Use the [ ] button on the remote control or the [ ] or [ ] button on the projector's control panel to select If using more than one projector at a time, such as at a show, you can the desired ID number (1–9).

  • Page 75: Registering An Id Number For A Remote Control

    EMP-7850 User’s Guide Functions for Enhancing Projection Functions for Enhancing Projection Registering an ID Number for a Remote Control PROCEDURE If you would like to check the ID number that is currently set for a remote control, press the [ID] button on the remote control so that the Press the [ID] button on the remote control.

  • Page 76: Using The Configuration Menu Functions

    EMP-7850 User’s Guide Using the Configuration Menu Functions The configuration menus can be used to carry out a variety of settings and adjustments. The menus have a hierarchical structure, with a main menu that is divided into sub-menus, which are further divided into other sub-menus.

  • Page 77: List Of Functions

    EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions List of Functions "Video" Menu • The functions in the "Video" menu apart from "Resolution" and "Video Signal" cannot be adjusted while no video signal is being input.
  • Page 78 EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions Sub-menu Function Default Color Corrects the vividness of the image colour. The settings can Presentation Mode be saved separately for each type of source (computer or video source).
  • Page 79 EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions Sub-menu Function Default Reset Resets all adjustments values for the "Video" menu functions to their default settings. •Press the [Enter] button on the remote control or the [Auto/Enter] button on the projector's control panel to reset.
  • Page 80 EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions Component Video (YCbCr YPbPr RGB Video Video Position Video Position Adjust Adjust Audio Brightness Audio Brightness Contrast Contrast Effect Effect Color Setting Setting Sharpness User's Logo Tint...
  • Page 81 EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions Sub-menu Function Default Color Corrects the vividness of the image colour. The settings can Dynamic Mode be saved separately for each type of source (computer or video source).

  • Page 82: Audio" Menu

    EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions "Audio" Menu Sub-menu Function Default Computer/ Use this command to specify the [Computer] port or [DVI] Computer/DVI DVI Audio port as the video port being used so that sound is input to...

  • Page 83: Effect" Menu

    EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions "Effect" Menu Sub-menu Function Default Pointer/ Sets the pointer or line that is displayed when the [Effect] Line1 button on the remote control is pressed once. Video Pointer/Line1 •...

  • Page 84: Setting" Menu

    EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions "Setting" Menu Sub-menu Function Default Keystone Corrects keystone distortion in images. Press the [Enter] button on the remote control or the [Auto/ Video Keystone Enter] button on the projector's control panel, and then...
  • Page 85 EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions Sub-menu Function Default No-Signal Sets the message status and background colour at times Blue Msg. such as when no video signal is being input. When set to "OFF", the background colour becomes black and no message is displayed.

  • Page 86: User's Logo" Menu

    EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions "User's Logo" Menu Sub-menu Function Default Execute Records a user's logo. p.126 EPSON logo •Press the [Enter] button on the remote control or the Video [Auto/Enter] button on the projector's control panel, and Audio then follow the instructions that appear on the screen.

  • Page 87: Advanced1" Menu

    EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions "Advanced1" Menu Sub-menu Function Default Startup Sets whether the startup screen is displayed or not. Screen To change the user's logo, you need to record your own...
  • Page 88 EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions Sub-menu Function Default Color Adjusts the colour temperature and intensity of each RGB Color Temp.: Adjustment (red, green, blue) colour for each input source. Depends on •Color Temp.: Lets you adjust bright colours within a range input signal from reddish tinges to bluish tinges.
  • Page 89 EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions Sub-menu Function Default Standby Set to "Network ON" to use network monitoring and Network OFF Mode control functions and the standby monitor out function while the projector is in standby mode.

  • Page 90: Advanced2" Menu

    EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions "Advanced2" Menu Sub-menu Function Default Brightness This lets you set the lamp brightness to one of two settings. High Control Select "Low" if the images being projected are too bright...

  • Page 91: About" Menu

    EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions EasyMP "About" Menu • The "About" menu shows the setting details for the current input signal. Video Video Lamp Audio Audio Reset Lamp Timer Execute • The "Lamp" item appears as "0H" for 0–10 hours, and...

  • Page 92: Reset All" Menu

    EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions Sub-menu Function Default SYNC Displays the sync attributes. Mode (Does not appear when the input source is composite video or S-video.) Resolution Displays the input resolution. (Does not appear when the input source is composite video or S-video.)

  • Page 93: Using The Configuration Menus

    EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions Using the Configuration Menus Confirm the selection. If using the remote control, press the [Enter] button to confirm a The configuration menus can be operated using either the remote control or selection.
  • Page 94 EMP-7850 User’s Guide Using the Configuration Menu Functions Using the Configuration Menu Functions The items appearing in the "Video" menu and the "About" menu will • Sub-menu items which cause another sub-menu to be displayed vary depending on the type of input source being projected.

  • Page 95: Troubleshooting

    Troubleshooting This chapter describes how to identify problems and what to do if a problem is found. Using the Help............. 95 Problem Solving..........97 • Reading the Indicators............97 • When the Indicators Provide No Help ......100 • Problems relating to images ................101 •...

  • Page 96: Using The Help

    EMP-7850 User’s Guide Using the Help If a problem occurs with the projector, the Help function uses on-screen Help Menu displays to assist you in solving the problem. It uses a series of menus in a Help for the image question and answer format.
  • Page 97 EMP-7850 User’s Guide Using the Help Using the Help Repeat steps 2 and 3 to proceed through the menu to more detailed items. The help menu is cleared when the [Help] button is pressed. Help Menu No image appears on the screen.

  • Page 98: Problem Solving

    EMP-7850 User’s Guide Problem Solving If you are having a problem with the projector, first check the projector's indicators while referring to "Reading the Indicators" below. If the indicators do not show clearly what the problem might be, refer to "When the Indicators Provide No Help".
  • Page 99 EMP-7850 User’s Guide Problem Solving Problem Solving : lit : flashing : off Status Cause Remedy or Status Lamp cover is open error Take out the lamp and check if it is broken. Replacing the Lamp p.121 Lamp timer failure If the lamp is not broken, put it back in and then turn the power on.
  • Page 100 EMP-7850 User’s Guide Problem Solving Problem Solving : lit : flashing : off Status Cause Remedy or Status Standby condition (Not abnormal) Orange Press the [Power] button on either the remote control or the projector's control panel to start projection.

  • Page 101: When The Indicators Provide No Help

    EMP-7850 User’s Guide Problem Solving Problem Solving When the Indicators Provide No Help First refer to the following problems to determine what type of problem it is that you are having, and then refer to the page containing details of the problem.

  • Page 102: Problems Relating To Images

    EMP-7850 User’s Guide Problem Solving Problem Solving Problems relating to images No images appear Check Remedy Was the [Power] button pressed? Press the [Power] button on either the remote control or the projector's control panel to turn the power on.
  • Page 103 EMP-7850 User’s Guide Problem Solving Problem Solving The message "Not Supported." is displayed. Check Remedy Are the image signal format settings correct? If the signal from the video source which is connected to the [BNC] ports of the projector is being projected, use the "BNC Input"...
  • Page 104 EMP-7850 User’s Guide Problem Solving Problem Solving Images are fuzzy or out of focus. Check Remedy Has the focus been adjusted correctly? Turn the focus ring on the projector to adjust the focus. p.42 Is the lens cover still attached? Remove the lens cover.
  • Page 105 EMP-7850 User’s Guide Problem Solving Problem Solving Image is truncated (large) or small Check Remedy Is the image in real display? Press the [Resize] button on either the remote control or the projector's control panel. p.70 Is the aspect ratio setting correct? Is the image still being enlarged by the Press the [ESC] button on the remote control to cancel the E-Zoom function.
  • Page 106 EMP-7850 User’s Guide Problem Solving Problem Solving Image colours are not right Check Remedy Do the input signal settings match the signals If the "BNC Input" menu command has been set to "YCbCr " or "YPbPr " when a computer or RGB video source is connected to the [BNC] ports of the projector, the images will appear purplish.

  • Page 107: Other Problems

    EMP-7850 User’s Guide Problem Solving Problem Solving Images appear dark Check Remedy Have the image brightness and luminance Use the "Brightness" and "Brightness Control" menu commands to adjust the brightness and luminance. been adjusted correctly? "Video" - "Brightness" p.76, p.79 "Advanced2"...

  • Page 108: Problems Relating To Monitoring And Controlling Projectors Using A Network

    EMP-7850 User’s Guide Problem Solving Problem Solving The remote control does not work Check Remedy Is the [R/C] switch at the "ON" position? Set the [R/C] switch to the "ON" position. p.36 Is the remote control light-emitting area Face the remote control towards the remote control light-receiving area.
  • Page 109 EMP-7850 User’s Guide Problem Solving Problem Solving Check Remedy Has a critical problem developed causing the When the projector has momentarily stopped working, it cannot send e-mail messages. If the projector to momentarily stop working? projector cannot be reset even after it has been checked, contact your dealer or the nearest address provided in the "International Warranty Conditions"...
  • Page 110 EMP-7850 User’s Guide Problem Solving Problem Solving You cannot connect from another computer when images are being projected during a network connection Check Remedy Has the person making the presentation left At the time of a network connection, if a different computer connects to the projector that is...
  • Page 111 EMP-7850 User’s Guide Problem Solving Problem Solving EMP NS Connection starts, but a projector is not found Check Remedy Is a LAN card set in the card slot of the Insert a LAN card into the card slot of the projector and check that the Network Screen connection stand-by screen is displayed.
  • Page 112 EMP-7850 User’s Guide Problem Solving Problem Solving Check Remedy Is the wireless LAN you are using Wi-Fi Only Wi-Fi 802.11b compliant equipment can be used. You cannot use equipment conforming to compliant? any other Wi-Fi standards (802.11, 802.11a, 802.11g, etc.).
  • Page 113 EMP-7850 User’s Guide Problem Solving Problem Solving Connection cannot be made in Ad hoc mode Check Remedy Is the correct type of ad hoc mode (channel If you are trying to use an old type of computer to make a connection in Ad hoc mode, there are some instances where only "Channel ad hoc"...
  • Page 114 EMP-7850 User’s Guide Problem Solving Problem Solving Network Screen cannot be used Check Remedy Are you using a personal firewall? Network Screen may be unusable when a personal firewall is set up. Files do not work correctly with EMP SlideMaker2...

  • Page 115: An Error Message Is Displayed

    EMP-7850 User’s Guide Problem Solving Problem Solving An error message is displayed. Error messages from EMP NS Connection Check Remedy Failed to connect to a projector. Try to re-establish a connection. If connection is still not possible, check the LAN on the computer and the Network Screen Network advanced settings on the projector.
  • Page 116 EMP-7850 User’s Guide Problem Solving Problem Solving Check Remedy Failed to obtain network adaptor information. Check the following: Check network settings and restart. •Is a network adapter installed in the computer ? •Is the driver for the network adapter installed in the computer ? After checking, restart the computer and try to connect.
  • Page 117 EMP-7850 User’s Guide Problem Solving Problem Solving Check Remedy Image transfer slows if PC resolution is higher The display of the computer being connected to the projector is set to resolution higher than XGA (1024 × 768). than XGA (1024 × 768 pxl.) Do you want to Clicking "Yes"...
  • Page 118 EMP-7850 User’s Guide Problem Solving Problem Solving Error messages from EMP Monitor Check Remedy The password is incorrect. An incorrect password was entered. Enter the correct password. If you have forgotten the password, check the "Password for WEB control" in the Network Screen Network advanced settings on the projector.

  • Page 119: Appendices

    Appendices This chapter provides information on maintenance procedures to ensure the best level of performance for the projector for a long time. Maintenance ............119 List of ESC/VP21 Commands......133 • Cleaning ................119 • Command List ..............133 • Cleaning the Projector Case ................119 •...

  • Page 120: Maintenance

    EMP-7850 User’s Guide Maintenance This section describes maintenance tasks such as cleaning the projector and Cleaning the Air Filters and Air Intake Vent replacing consumable parts. If the air filters become clogged with dust, or if the message "The projector is overheated.

  • Page 121: Replacing Consumables

    EMP-7850 User’s Guide Maintenance Maintenance • Air filters at side and base of projector Replacing Consumables Pull the air filters out from the projector and then use a vacuum cleaner to clean them. This section describes how to replace the lamp and the air filters.

  • Page 122: Replacing The Lamp

    EMP-7850 User’s Guide Maintenance Maintenance PROCEDURE Turn the projector's power off, wait for the cool-down • The replacement warning message is set to appear after the following periods of lamp use, in order to maintain the initial period to end, and then disconnect the power cable.
  • Page 123 EMP-7850 User’s Guide Maintenance Maintenance Loosen the two lamp fixing screws. Take out the old lamp. Use the screwdriver that is supplied with the spare lamp or Fold out the handle as shown in the illustration below and pull some other flat-tipped screwdriver to loosen the two lamp the lamp out of the projector.
  • Page 124 EMP-7850 User’s Guide Maintenance Maintenance Install the new lamp. Hold the lamp so that it faces the correct way to fit into the • Install the lamp securely. If the lamp cover is removed, the lamp projector, and then insert the lamp until it clicks into place and turns of automatically as a safety precaution.

  • Page 125: Resetting The Lamp Operating Time

    EMP-7850 User’s Guide Maintenance Maintenance Select "Reset Lamp Timer" from the "About" menu Resetting the Lamp Operating Time and then press the [Enter] button on the remote The projector has a built-in counter which keeps track of the lamp control or the [Auto/Enter] button on the projector's operating time, so that when the cumulative operating time reaches a control panel.

  • Page 126: Replacing The Air Filters

    EMP-7850 User’s Guide Maintenance Maintenance Insert the two new air filters, and push them in until Replacing the Air Filters they click into place. The air filters can be replaced even if the projector is installed on a ceiling. PROCEDURE...

  • Page 127: Saving A User's Logo

    EMP-7850 User’s Guide Saving a User's Logo You can record the image that is currently being projected as a user's logo. If keystone correction or the E-Zoom function have been used, they When a user's logo is recorded, the previous user's logo will be will be cancelled when the "User's Logo"...
  • Page 128 EMP-7850 User’s Guide Saving a User's Logo Saving a User's Logo The image to be recorded and a selection marquee Select "Yes" at the confirmation screen, and then box will be displayed, so move the marquee box to press the [Enter] button on the remote control or the select the part of the image to use.
  • Page 129 EMP-7850 User’s Guide Saving a User's Logo Saving a User's Logo Select "Yes" at the confirmation screen, and then press the [Enter] button on the remote control or the [Auto/Enter] button on the projector's control panel. The image will then be saved. Once the image has been saved, the message "Completed."...

  • Page 130: Optional Accessories

    EMP-7850 User’s Guide Optional Accessories The following optional accessories are available for purchase if required. This list of optional accessories is current as of June 2003. Details of accessories are subject to change without notice. Digital video cableDVI-D/DFP ELPKC21 Soft carry case ELPKS28 (3 m (9.8 ft.) - for DVI-D/DFP 20-pin)

  • Page 131: Glossary

    EMP-7850 User’s Guide Glossary Following is an explanation of some of the terms used in this guide which may be unfamiliar or which were not explained in the text of this guide itself. Further information can be obtained by referring to other commercially-available publications.
  • Page 132 EMP-7850 User’s Guide Glossary Glossary EMP Link21L A utility software program that allows the projector to be connected to a computer so that the computer can be used to control the projector. For details on acquiring the software and for instructions on using the software and compatible projector models, please visit the web site http://www.epson.co.uk/support/download/projector.htm.
  • Page 133 EMP-7850 User’s Guide Glossary Glossary S-Video A video signal which has the luminance component and colour component separated in order to provide better image quality. It refers to images which consist of two independent signals: Y (luminance signal), and C (colour signal).

  • Page 134: List Of Esc/Vp21 Commands

    EMP-7850 User’s Guide List of ESC/VP21 Commands Command List Communication Protocol When a power ON command is sent to the projector, the power for the Standard baud rate : 9600 bps • projector turns on. When the projector is in a command ready state, it...

  • Page 135: Cable Layouts

    EMP-7850 User’s Guide List of ESC/VP21 Commands List of ESC/VP21 Commands Cable Layouts USB connection Connector shape : USB(type B) • Serial connection <At projector> <At computer> Connector shape : D-Sub 9-pin (male) • (Type B) Projector input : Control (RS-232C) •...

  • Page 136: Usb Connection Setup

    PROCEDURE Download the EMP Link21L utility software from the EPSON website to the computer being used. For details on acquiring the software, please visit the Web site http://www.epson.co.uk/support/download/projector.htm. The USB driver (USB-COM Driver) will be downloaded together with the utility software, so Install this USB driver on the computer that is to be used.

  • Page 137: List Of Supported Monitor Displays

    EMP-7850 User’s Guide List of Supported Monitor Displays Computer/RGB Video Component Video Display mode (dots) Resolutions for Refresh rate Signal Resolution (dots) resized display Signal 4:3 aspect ratio 16:9 aspect ratio (Hz) (dots) display display SDTV (525i, 525p, 625i, 625p) 1024×768...

  • Page 138: Specifications

    EMP-7850 User’s Guide Specifications Product name Multimedia Projector EMP-7850 Connectors DVI: DVI-D Computer: Mini D-Sub 15-pin (female) Blue 419 (W) × 117 (H) × 325 (D) mm Dimensions Audio input: Stereo mini jack (16.5 (W) × 4.6 (H) × 12.8 (D) in.)
  • Page 139 EMP-7850 User’s Guide Specifications Specifications Safety UL1950 3 Edition Canada CSA C22.2 No.950-95 (cUL) European Community The Low Voltage Directive (73/23/EEC) IEC60950 2 Edition, +Amd.1, +Amd.2, +Amd.3, +Amd.4 FCC 47CFR Part15B Class B (DoC) Canada ICES-003 Class B European Community...

  • Page 140: Appearance

    EMP-7850 User’s Guide Appearance Centre of lens 63.5* *Distance from centre of lens to suspension bracket fixing point 4-M4 × 10 Units: mm...
  • Page 141 EMP-7850 User’s Guide FCC Compliance Statement For United States Users DECLARATION of CONFORMITY This equipment has been tested and found to comply with the limits for a According to 47CFR, Part 2 and 15 Class B digital device, pursuant to Part 15 of the FCC Rules. These limits Class B Personal Computers and Peripherals;...
  • Page 142 Other product names used herein are also for identification purposes SEIKO EPSON CORPORATION shall not be liable against any only and may be trademarks of their respective owners. EPSON damages or problems arising from the use of any options or any disclaims any and all rights in those marks.

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