Qtx DUET300 User Manual - page 6
178.190UK User Manual
Troubleshooting
Power LED is not lit
Check power is switched on at the mains and at the rear panel
Check IEC fuse – if blowing fuses, refer to qualified service personnel
Power LED is on but no other
LEDs and no output
Check input signals and condition of connection leads
Check channel gain and EQ controls are not turned fully down
Check Master and channel level controls are not fully down
Power and level meter LEDs are
lighting but no speaker output
Check output connections to speakers
Check that speakers are in good working order
No playback from USB media
Check that files are standard compressed audio format
No output from Bluetooth
Check that the device is connected to the correct Bluetooth ID
Check volume controls on the device
Output is very loud or distorted
Check level of input signal is not too high
Ensure that the Mic/Line button is set correctly for the type of input
Decrease Volume control and Treble/Bass/Effect settings if turned up
Output is working but at very
low level
Check input audio source level is not too low
Ensure that the Mic/Line button is set correctly for the type of input
Increase Volume control and Treble/Bass settings if turned down
Feedback with microphones
Face microphone away from speakers and monitors
Reduce channel Volume control and/or Treble/Bass level(s)
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
© 2016. AVSL Group Ltd.