AKG C 5900 Mode D'emploi page 20

5 Troubleshooting
Problem
No sound.
Distortion.
Microphone sound
becomes duller
by and by.
20
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 con-
nected to mixer or
amplifier.
4. Cable connectors are
seated loosely.
5. Cable is defective.
6. No supply voltage.
7. Transmitter module is off
or muted.
8. No/dead battery in
transmitter module.
9. Receiver is off or not
connected to mixer.
1. Gain control on mixer or
transmitter module not
set correctly.
2. Mixer input sensitivity
too high.
• Internal or external
windscreen attenuates
high frequencies when
soiled.
Remedy
1. Switch power to mixer
or amplifier on.
2. Set channel or master
fader on mixer or vol-
ume control on amplifier
to desired level.
3. Connect microphone to
mixer or amplifier.
4. Check cable connectors
for secure seat.
5. Check cable and
replace if damaged.
6. Switch phantom power
on.
Phantom power supply:
connect to power outlet
or insert battery (batter-
ies).
Check cable and
replace if necessary.
7. Switch transmitter mod-
ule on.
8. Insert new/fully charged
battery.
9. Switch receiver on or
connect to mixer.
1. Set gain control to stop
distortion.
2. Insert 10 dB preattenua-
tion pad between micro-
phone cable and input.
• Clean internal or exter-
nal windscreen.