Sony DWZ-M50 Operating Instructions Manual page 30

Symptom
The sound is
distorted.
Noise occurs.
The service area
(i.e., operating
range) is small.
The audio quality is
abnormal.
The unit does not
turn off when the
POWER switch is
pressed.
30 Troubleshooting
Meanings
The attenuation level of the
transmitter is too low.
The transmitter is set to MIC
input.
The output level of the
receiver does not match the
input level setting of the
connected device.
The transmitter and receiver
are far away from each other.
Signal interference from
other devices is occurring.
Two or more transmitters are
set to the same channel.
[Wide Band] and [Narrow
Band] are being used
simultaneously.
The antenna is not attached
to the receiver.
The antenna is being
squeezed.
The cable tone generator
setting is incorrect.
The equalizer setting is
incorrect.
Button operations are locked. Set the button lock switch to
The RF mode is being
configured.
Remedy
The audio input level is too high.
Set the attenuation level on the
transmitter to a level where sound
is not distorted.
The audio input level is too high.
Specify INST input.
Set the MIC/LINE selector
according to the input level of the
connected device. (ZRX-HR50)
Shorten the distance between the
transmitter and receiver until
audio breakup does not occur.
Change the selected channel, or
move the devices that are causing
interference away from the unit.
Do not use the same channel for
more than one transmitter.
When using multiple channels
simultaneously, use channels
from a single RF mode, either
[Wide Band] or [Narrow Band].
Attach the supplied antenna.
Remove your hands from the
antenna.
Check the cable tone generator
setting. (ZRX-C30)
Set the equalizer setting to 0.
(ZRX-HR50)
UNLOCK.
The unit cannot be turned off
while RF mode configuration is in
progress. Press and hold the
channel selection button to end
configuration before turning off
the unit. (ZTX-M01/B01)