Troubleshooting - Sony DWZ-M70 Operating Instructions Manual

Troubleshooting

Check the following if problems occur.
Should any problem persist, consult your Sony dealer.
Symptom
The unit does not turn on. The polarity orientation of the batteries in the
The batteries drain
quickly.
There is no sound.
The sound is weak.
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.
Channels cannot be
changed.
20
Troubleshooting
Meanings
battery compartment is incorrect.
The batteries are exhausted.
The batteries are exhausted.
Manganese batteries are being used.
The unit is being used under cold conditions. The batteries drain quickly under cold conditions.
The RF mode or channel setting on the
transmitter is different from that on the
receiver.
The muting function is enabled.
The transmitter has been placed on the
battery charger and is recharging.
The encrypted transmission settings on the
transmitter and receiver do not match.
The attenuation level on the transmitter is too
high.
The output level of the receiver does not
match the input level setting of the connected
device.
The attenuation level of the transmitter is too
low.
The transmitter's MIC/LINE selector is set to
MIC.
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 equalizer setting is incorrect.
The RF mode is being configured.
The settings menu is not open.
Remedy
Insert the batteries with the correct polarity
orientation.
Replace the batteries with new ones.
Replace the batteries with new ones.
Use alkaline batteries. The battery life of a
manganese battery is less than half that of an
alkaline battery.
Use the same RF mode and channel setting on both
the transmitter and the receiver.
Disable the muting function.
Remove the transmitter from the battery charger.
Configure the encrypted transmission settings on
the transmitter and receiver again.
The input level is low. Set the attenuation level on
the transmitter to the appropriate level.
Set the MIC/LINE selector according to the input
level of the connected device. (ZRX-HR70)
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/LINE
input.
Set the MIC/LINE selector according to the input
level of the connected device. (ZRX-HR70)
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.
Set the equalizer setting to 0. (ZRX-HR70)
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-B02RC)
Follow the instructions in "Displaying the settings
menu" and "Configuring the receiving channel
settings" (page 12) to configure settings. (ZRX-
HR70)