27
17. TROUBLESHOOTING
Symptom
The unit fails to turn on
when the power switch is
pressed.
Cause and Points to Check
Power plug is unplugged from an
AC wall outlet.
Remedy
Plug the power plug into an AC wall
outlet.
No signal received
Infrared wireless microphone's
battery has become discharged.
Replace the battery with a new one.
If a rechargeable battery is used,
recharge it.
Sound is too faint to hear
Amplifier volume control is set to too
low a level.
Set the amplifier volume control to an
appropriate volume level.
Infrared wireless microphone's
power switch not set to ON.
Set the microphone power switch to
ON.
The channel set for the infrared
wireless microphone differs from the
receiving channel.
Make both the infrared microphone
and reception channels identical.
Infrared wireless tuner's volume
control is set to too low a level.
Rotate the tuner's volume control to
set it to an appropriate volume level.
No sound outputs
Infrared wireless tuner not
connected to an amplifier properly.
Connect correctly.
(See p. 9 "Connection Example.")
CH-A/MIX output selector switch not
set correctly.
Set the switch correctly.
(See p. 9 "Connection Example.")
Noise or strange (i.e. muddy)
sound is heard
Infrared wireless receiver is installed
in close proximity to a device
generating radio noise or infrared
light.
Set the receiver properly, referring to
p. 11 "Installation precautions" for the
infrared wireless receiver.
Short transmission distance
Infrared wireless receiver cables not
properly connected.
Connect the receiver cables properly.
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