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34
Troubleshooting
If you have any problem, use the following checklist before asking for repairs. If the problem persists, contact your point
of purchase or Sony service representative.
Symptom Cause Solution
The unit does not turn
on.
The 3 and # polarity orientation of the batteries is
incorrect.
Insert the batteries with the correct polarity
orientation.
The batteries are getting low. Replace the batteries with new ones.
The battery terminals are dirty. Clean the 3 and # terminals, and the battery
compartment terminals
4)
with a cotton swab.
Batteries are not inserted despite POWER
SOURCE being set to BATT ONLY.
3)
Insert batteries, or change the POWER SOURCE
setting.
The unit does not turn
off.
The POWER/MUTE button is locked.
5)
Release the locked status in the POWER LOCK
menu.
The unit is set so that power cannot be turned on/
off using the POWER/MUTE button.
6)
Set the POWER/MUTE menu to POWER/MUTE,
or turn the unit off using the POWER button.
The batteries become
drained quickly.
The batteries are getting low. Replace the batteries with new ones.
Manganese batteries are being used. Use alkaline batteries. The battery life of a
manganese battery is less than half that of an
alkaline battery.
The device is being used under cold conditions. The batteries drain quickly under cold conditions.
The channel cannot
be changed.
1)
The unit is not in transmission stopped mode. Turn off the unit, and then turn it on again while
holding down the SET button to switch to
transmission stopped mode.
There is no sound. The channel setting on the transmitter is different
from that on the tuner.
Use the same channel setting on both the
transmitter and tuner.
The transmitter is not transmitting signals, or the
transmission output is weak.
Confirm that the transmitter is turned on.
Alternatively, reduce the distance between the
transmitter and tuner.
The transmitter is set to line level input.
2)
Switch to microphone input.
The compander mode setting on the transmitter is
different from that on the tuner.
Use the same compander mode setting on both
the transmitter and tuner.
The transmitter is muted.
1)
Press the POWER/MUTE button on the
transmitter to release the muted state.
The MUTE SETTING menu (POWER/MUTE
menu on the UTX-M40) is set to PTT HOLD.
Change the setting.
The sound is weak. The attenuation level on the transmitter is too high. The input level of the transmitter is low. Set the
attenuation of the transmitter to an appropriate
level.
The volume on the amplifier or mixer is low. Adjust the volume to an appropriate level.
The transmitter is set to line level input.
2)
Switch to microphone input.
The compander mode setting on the transmitter is
different from that on the tuner.
Use the same compander mode setting on both
the transmitter and tuner.
The sound is
distorted.
The attenuation level on the transmitter is too low
or is set to 0.
The input level is extremely high. Set the
attenuation on the transmitter so that the audio is
not distorted.
The GAIN MODE menu of the transmitter is set to
15dB BOOST.
The input level is extremely high. Change the
GAIN MODE setting so that the sound is not
distorted.
The channel setting on the transmitter is different
from that on the tuner.
Use the same channel setting on both the
transmitter and tuner.
Headphones with a monaural mini jack are being
used.
3)
Use headphones with a stereo mini jack.
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