Problem
No sound.
Distortion.
PERCEPTION 400
Possible Cause
1. Power to mixer and/or amplifier is off.
2. Channel or master fader on mixer, or
volume control on amplifier is at zero.
3. Microphone is not connected to mixer
or amplifier.
4. Cable connectors are seated loosely.
5. Cable is defective.
6. No supply voltage.
1. Channel gain control on mixer set too
high.
6 Troubleshooting
Remedy
1. Switch power to mixer or amplifier on.
2. Set channel or master fader on mixer
or volume control on amplifier to de-
sired level.
3. Connect microphone to mixer or am-
plifier.
4. Check cable connectors for secure
seat.
5. Check cable and replace if damaged.
6. Switch phantom power on.
Phantom power supply: insert
batteries.
Check cable and replace if necessary.
1. Turn gain control down CCW.
9