17
6 Troubleshooting
No sound.
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. D 77 S, D 88 S:
Switch in ”OFF”
position.
1. Switch power to
mixer or amplifier
on.
2. Set channel or
master fader on
mixer or volume
control on ampli-
fier to desired
level.
3. Connect micro-
phone to mixer or
amplifier.
4. Check cable con-
nectors for secure
seat.
5. Check cable and
replace if
damaged.
6. D 77 S, D 88 S:
Set switch to
”ON” position.
Problem
Possible Cause
Remedy
ENGLISH