AKG Acoustics HT 81 - Manual (Page 15)

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PART VI: APPENDIX
VI
1 Troubleshooting
Problem
No sound.
Noise, crackling, unwanted signals.
Distortion.
Momentary loss of sound ("drop-
outs") at some locations within
performance area.
Possible Cause
1. Receiver is OFF.
2. No batteries inside the trans-
mitter and/or receiver.
3. Receiver is not connected to
mixer or camcorder.
4. Audio level control on camcor-
der or channel fader on mixer is
at zero.
5. Microphone is not connected
to bodypack transmitter.
6. Transmitter operates on diffe-
rent frequency than receiver.
7. Transmitter on/off switch is at
"OFF" or "MUTE".
8. Transmitter and/or receiver bat-
teries are not inserted properly.
9. Transmitter and/or receiver bat-
teries are dead.
10. Transmitter is too far away from
receiver or SQUELCH control
set too high.
11. Obstructions between trans-
mitter and receiver.
12. Receiver is invisible from trans-
mitter location.
13. Receiver is too close to metal
objects.
1. Antenna location.
2. Interference from other wireless
systems, TV, radio, CB radios,
or defective electrical
appliances or installations.
1. GAIN control is set too high or
too low.
2. Interference from other wireless
systems, TV, radio, CB radios,
or defective electrical applian-
ces or installations.
1. Antenna location.
Remedy
1. Set POWER switch on receiver
to "I".
2. insert batteries into transmitter
and/or receiver.
3. Connect receiver output to
mixer or camcorder input.
4. Turn up audio level control on
camcorder or channel fader on
mixer.
5. Connect microphone to audio
input on bodypack.
6. Set transmitter and receiver to
the same frequency.
7. Set transmitter on/off switch to
"ON".
8. Insert batteries conforming to
"+" and "-" marks.
9. Insert new batteries into trans-
mitter and/or receiver.
10. Move closer to receiver or turn
down SQUELCH control.
11. Remove obstructions from bet-
ween transmitter and receiver.
12. Avoid spots where you cannot
see receiver.
13. Move receiver away from or
remove interfering objects.
1. Relocate receiver.
2. Set transmitter and receiver to
a different frequency; switch
interfering or defective
appliances of or have electrical
installation checked.
1. Turn GAIN control down or up
just enough to stop the dis-
tortion.
2. Set transmitter and receiver to
a different frequency; switch
interfering or defective
appliances of or have electrical
installation checked.
1. Relocate receiver. If dead spots
persist, mark and avoid them.