CM30B, CM60B User Manual
Troubleshooting
No power LED on control panel
Ensure IEC lead is in good condition and connected properly
If 12Vdc power input is being used, check battery is charged
Ensure POWER switch is on
Power LED is on but no other
LEDs and no output
Check input signals and condition of input connection leads
Check MASTER, MIC, LINE IN or MEDIA controls are turned up
Power light and output LEDs
lighting but no output
Check speaker output terminals are connected correctly
Check speakers are working (test on another amp if available)
Ensure that Bluetooth is enabled on sending device
Ensure that the sending device is within Bluetooth range (5-10m)
Check that “adastra” is the connected device
If there are more than one “adastra” devices, check each in turn
If one of many “adastra” devices, rename it on the sending device
No audio from connected
Bluetooth device
Ensure that volume controls are not turned down on sending device
Check volume and Play/Pause buttons in case Bluetooth is muted
USB player will not play audio
from media
Press PLAY on transport controls
Check memory device is connected properly (remove and re-insert)
Check file types – standard compressed digital audio files required
Check memory device works on a PC or Mac for standard playback
Output is very loud or distorted
Check level of input signal is not too high
Reduce MIC, LINE IN, MEDIA and/or MASTER level
Ensure Hi-Z line level input(s) not connected via MIC input
Output is working but at very
low level
Check input audio source level is not too low
Increase MIC, LINE IN, MEDIA and/or MASTER level
Check for quiet recording of media files on USB
Face microphone away from speakers and monitors
Turn down MIC and/or MASTER level
Ensure cooling vents are clear from debris and dust
Check that 8Ω speakers are not connected to 100V terminals
Ensure total 100V speaker wattage is lower than amplifier rating
Ensure that 100V and 8Ω speakers are not both connected
Ensure that total load connected to 8Ω output is not less than 8Ω
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.
Errors and omissions excepted.
Copyright© 2015. AVSL Group Ltd.
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