NU20 User Manual
Specifications
Power supply (receiver)
12 - 18Vdc 350mA adaptor (supplied)
Batteries (transmitters)
4 x AA (2 per transmitter - included)
Carrier frequency
863.8MHz + 864.8MHz
S/N ratio
>80dB
THD
<0.5% @ 1kHz
Audio frequency response
50Hz - 18kHz
Range
60m (max)
Output impedance
2.2k
Ω
Output level
400mv (balanced), 200mv (unbalanced)
Connectors
DC in, 2 x XLRM, 6.3mm jack, 2 x BNC antenna
Dimensions - handheld transmitter
243 x 48mmØ
Dimensions - bodypack transmitter
205 x 68 x 25mm
Dimensions - receiver
409 x 190 x 44mm
Weight - handheld transmitter
238g (no battery)
Weight - bodypack transmitter
76g (no battery)
Weight - receiver
1.37kg
Troubleshooting
“POWER” LED does
not light on receiver
Ensure power adapter is connected to mains and working properly
Ensure receiver is switched on
“POWER” LED is lit
but no “RF” or “AF”
LEDs
Ensure transmitter is switched on
Check that transmitter is not out of reception range
Check that transmitter batteries are good/charged
“POWER” and “RF”
LEDs are lit but no
“AF” and no sound
Check that transmitter switch is switched on
Ensure transmitter has good/charged batteries
Ensure there is no other nearby transmitter with the same frequency
All LEDs lit but no
sound from mic
Make sure receiver is connected to mixer/amplifier
Ensure that receiver and amplifier/mixer channel volumes are turned up
Microphone output is
very loud or distorted
Turn down VOLUME on receiver
Turn down gain on bodypack transmitter
Reduce gain on mixer/amplifier
Ensure that an XLR output is not fed to a line input
Microphone output is
very low
Turn up VOLUME on receiver
Turn up gain on bodypack transmitter
Increase gain of mixer/amplifier input
Ensure that a jack output is not fed to a mic input
Check transmitter batteries
Disposal:
Th
e “Crossed Wheelie Bin” symbol on the product means that the product is classed as Electrical or
Electronic equipment and should not be disposed with other household or commercial waste at the end of its useful life.
The goods must be disposed of according to your local council guidelines.
Errors and omissions excepted.
Copyright© 2019. AVSL Group Ltd.
