AVSL Citronic CM-DSP - Manual (Page 8)

170.830UK, 170.832UK, 170.834UK User Manual
Troubleshooting
No power LED on
control panel
Ensure power adapter is working and connected properly
Ensure mains outlet voltage is OK and as stated on adaptor
Power LED is on but
no other LEDs and no
output
Check input signals and condition of connection leads
Check jack is connected to input and not channel insert
Check GAIN is not too low on channel input
Check channel fader is not fully down
Check MAIN fader is not fully down
Disconnect channel insert (if used) and check for correct wiring
For condenser mics, turn down MAIN fader and check +48V is on
Power and VU LEDs lit
but no output Check output connections to amplifier or recorder
Check amplifier or recorder levels are not turned fully down
USB/SD 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
Volume range lacking Check COMP control is not turned up too high
Output is very loud or
distorted
Check level of input signal is not too high
Reduce channel GAIN and EQ settings
Reduce channel and MAIN faders levels
Ensure Hi-Z line level input(s) not connected via XLR
Check output levels of equipment connected via channel inserts
Check AUX and EFFECT level controls and reduce if necessary
Check for high gain recording of media files on USB/SD
Check input gain level on recorder or recording software
Output is working but
at very low level
Check input audio source level is not too low
Ensure low impedance line or mic signal is not connected via jack
Increase channel GAIN control and EQ settings if turned down
Increase channel and MAIN faders levels
Check output levels of equipment connected via channel inserts
Check for quiet recording of media files on USB/SD
Check input gain level on recorder or recording software
Feedback (loud
squealing or howling
from mics)
Face microphone away from speakers and monitors
Reduce channel GAIN level and EQ level(s)
Reduce AUX and/or EFFECT levels
Reduce channel and/or MAIN fader levels
Errors and omissions excepted.
Copyright© 2012. AVSL Group Ltd.