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not to be used for a long period as the transmitters draw a tiny residual current to maintain the
programmed settings, even when turned off. Also, since batteries installed for a long time can
sometimes corrode and/or leak, causing damage, it is generally recommended that batteries
be removed whenever the transmitters are not being used.
• When using the bodypack for instrument use: Scratchy noises can sometimes occur when an
electric guitar with dirty pots or connections is used with a wireless system. Therefore, the
supplied capacitor provides first-order filtering of the RF signal from the cord into the guitar
and eliminates virtually all scratchy noises. Should your equipment still produce scratchy noise,
we suggest these steps to eliminate problems:
32. Make sure all guitar volume and tone pots are clean and all contacts are solid. This is very
important.
33. Solder a 47pF capacitor across the pot to ground terminal of the guitar's volume and tone
pots to provide extra filtering.
Overall System Performance
Operating Frequency range:
Freq. Synthesized:
Pll system frequency stability: <0.005%
Frequency response:
Dynamic range:
Harmonic Distortion:
Modulation:
Operating range:
U-1100/2100 Series receiver
Receiver System:
Selectivity:
Image rejection:
65dB, normal
Mute Threshold:
Controls:
OFF, Switch, MUTE level pot, VOLUME level pot
LCD/LED Display:
graph indicator, Battery levels, TX Channel A and B LED indicators
Audio Outputs:
BALANCED, fixed mic level audio output
Output Impedance:
Power requirement:
Antennas:
Dimensions:
Weight:
Housing Construction:
U-1100HT Handheld Transmitter
RF Output power:
Harmonic/Spurious emission:
Input Impedance:
Controls:
LCD/LED Display:
Antenna Type:
Battery Type:
Battery life:
Dimensions:
Weight (w/o batteries):
Housing Construction:
U-1100LT Bodypack Transmitter
14
SPECIFICATIONS
(A) 480-504.75MHz and (B) 505-529.75MHz
PLL (100 channels selectable) 250 kHz/step
50Hz-18kHz +/-3dB
120dB
<0.5%
FM (F3E) +/-25kHz normal, +/-75kHz max
150-250 feet typical, 500+feet max line-of-sight
Dual conversion Super Heterodyne
60dB, normal +/-75 kHz offset
-70dB, minimum Sensitivity, -107dBm, normal Spurious rejection
Adjustable (-65dBm to -95dBm)
GROUP/CHANNEL/AUTOSCAN, IR ASC Sync buttons, Power ON/
Two Digits LCD panel indicating selected Channel; RF/AF bar
LINE OUT UNBALANCED, adjustable line audio output; MIC OUT
Unbalanced, 1k Ω and Balanced; for 600 Ω loads
13.5VDC/0.4A
Dual removable swivel BNCantenna
8"W x 6"D x 1.25"H (20.4cm x 15.3cm x 3.2cm)
U-1100 17.9oz (556.8g)/U-2100 15.1oz (469.7g)
ABS Plastic
+14dBm (25mW typical)/50Ω
-50dBc normal
10kΩ
Power OFF/ON, MUTE
Channel/Frequency, BATT status, Mute LED
Integral
2 x AA alkaline or NiMH
8-10 hours typical, alkaline
9.5"L x 1.5"D (24.1cm x 5.1cm)
10.4 oz (323.5g)
ABS Plastic
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