User guide

ManualsBrandsAVSL ManualsControl panelCitronic CM-DSP

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.