178.864UK User Manual
Troubleshooting
No output and no LEDs lit
Check POWER switch is on
Check battery is not drained fully
Check mains lead is connected
Check mains or D.C. fuse hasn’t blown
Power LED lit but no VHF
output
Check 9V batteries in wireless transmitters
Check wireless transmitter is switched on
Check that handheld transmitter is not switched to MUTE
Check VHF VOLUME is not turned down
Check RF LED for radio signal
Music level cutting out
Check TALKOVER is not switched on (will mute on mic. signal)
Power LED lit but no
media player output
Check USB/SD/MMC has mp3 or wma audio file format
Check MEDIA VOLUME is not turned down
No B/T wireless output
Check volume output level on sending device
Check sending device is connected to the receiver correctly
No sound from external
inputs
Check leads are OK and connected properly
Check MASTER, GUITAR or MIC VOL controls are turned up
Disposal:
The “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.
Hereby, AVSL Group Ltd. declares that the radio equipment type 178.864UK is in compliance with
The full text of the EU declaration of conformity is available at the following internet address:
http://www.avsl.com/assets/exportdoc/1/7/178864UK%20CE.pdf
Errors and omissions excepted. Copyright© 2021.
AVSL Group Ltd. Unit 2-4 Bridgewater Park, Taylor Rd. Manchester. M41 7JQ
AVSL (EUROPE) Ltd, Unit 3D North Point House, North Point Business Park, New Mallow Road, Cork, Ireland.