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Troubleshooting – Toa IR-702T User Manual

Page 27

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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.