Troubleshooting
23
Troubleshooting
Check the following if problems occur.
Should any problem persist, consult your Sony dealer.
Symptom
Meanings
Remedy
The unit does not turn on. The polarity orientation of the batteries in the
battery compartment is incorrect.
Insert the batteries with the correct polarity
orientation.
The batteries are exhausted.
Replace the batteries with new ones.
The batteries drain
quickly.
The batteries are exhausted.
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 unit is being used under cold conditions. The batteries drain quickly under cold conditions.
There is no sound.
The RF mode or channel setting on the
transmitter is different from that on the
receiver.
Use the same RF mode and channel setting on both
the transmitter and the receiver.
The muting function is enabled.
Disable the muting function.
The transmitter has been placed on the
battery charger and is recharging.
Remove the transmitter from the battery charger.
The encrypted transmission settings on the
transmitter and receiver do not match.
Configure the encrypted transmission settings on
the transmitter and receiver again.
The sound is weak.
The attenuation level on the transmitter is too
high.
The input level is low. Set the attenuation level on
the transmitter to the appropriate level.
The output level of the receiver does not
match the input level setting of the connected
device.
Set the MIC/LINE selector according to the input
level of the connected device. (ZRX-HR70)
The sound is distorted.
The attenuation level of the transmitter is too
low.
The audio input level is too high. Set the attenuation level
on the transmitter to a level where sound is not distorted.
The transmitter’s MIC/LINE selector is set to
MIC.
The audio input level is too high. Specify INST/LINE
input.
The output level of the receiver does not
match the input level setting of the connected
device.
Set the MIC/LINE selector according to the input
level of the connected device. (ZRX-HR70)
Noise occurs.
The transmitter and receiver are far away
from each other.
Shorten the distance between the transmitter and
receiver until audio breakup does not occur.
Signal interference from other devices is
occurring.
Change the selected channel, or move the devices
that are causing interference away from the unit.
Two or more transmitters are set to the same
channel.
Do not use the same channel for more than one
transmitter.
Wide band and narrow band are being used
simultaneously.
When using multiple channels simultaneously, use
channels from a single RF mode, either wide mode
or narrow mode.
The service area (i.e.,
operating range) is small.
The antenna is not attached to the receiver.
Attach the supplied antenna.
The antenna is being squeezed.
Remove your hands from the antenna.
The audio quality is
abnormal.
The equalizer setting is incorrect.
Set the equalizer setting to 0. (ZRX-HR70)
The unit does not turn off
when the POWER switch
is pressed.
The RF mode is being configured.
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)
Channels cannot be
changed.
The settings menu is not open.
Follow the instructions in
“Configuring the receiving channel
to configure settings. (ZRX-HR70)
The RF indicator on the
receiver lights even when
the transmitter is off.
Interference is being received.
Set the receiver to a channel for which the RF
indicator does not light, and then set the transmitter
to the same channel.
Summary of Contents for DWZB70HL
Page 29: ...Sony Corporation ...
