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When the ALERT Indicator Lights
Indication of Other Indicators Cause of Alert
The AF/PEAK indicator is lit in
red.
The battery indication is
flashing.
The number of lit indications of
the QL meter has reduced.
The RF indicator is lit in orange. The signal input level of the
The RF indicator is lit in red or
off.
The key icon is flashing on the
audio input level meter.
"EXT" flashes on the digital
output sync indication.
CODEC MODE UNMATCH is
displayed.
The audio input of the transmitter
has exceeded the peak level.
The batteries of the transmitter will
run out of power soon.
The signal input level of the
antenna has become low or the
quality of the reception signal has
become low because of interfering
radio waves (interference).
antenna is 87 dBµ (0 dBµ =
1 µV
) or higher.
EMF
The signal input level of the
antenna is barely enough for
reception or reception is not
possible.
The encrypted transmission
settings on the transmitter and
receiver do no match.
The output signal from the
DIGITAL OUT connector is not
synchronized to the external
synchronization word clock.
The audio codec mode of the
transmitter and this receiver do not
match.
Remedy
Change the audio input attenuator of the transmitter so
that the input level does not exceed the peak.
The wireless remote function can be used to change the
setting from the receiver.
Replace the batteries of the transmitter.
(1) If the RF indicator is lit in red or off, the signal input to
the antenna may be insufficient.
• Check the transmission power setting of the
transmitter.
• Check the receiving antenna, each device between
the receiver, cable connections, and settings.
• Reduce the distance between which the transmitter
and receiving antenna are used.
(2) If the number of lit indications of the QL meter has
reduced even though the RF indicator is lit green,
there may be interference.
• Check whether there is a problem with the
operation channel plan.
• Check whether another external signal is in use.
(3) You can change the criteria for lighting the ALERT
indicator by specifying the level at which the quality of
the received signal is determined to be low.
Multi-channel synchronous operation may be affected.
Try one of the following.
• Try using the transmitter located away from the
antenna.
• Increase the ANT ATT a/b/c/d setting value of the
receiver. If the ANT ATT a/b/c/d setting value is
increased, be sure to also check the transmission
distance limit between the transmitter and receiver.
• Check the transmission power setting of the transmitter.
• Check the receiving antenna, each device between the
receiver, cable connections, and settings.
• Reduce the distance between which the transmitter and
receiving antenna are used.
Set the encrypted transmission settings on the transmitter
and receiver so that they match (page 18).
• Check whether the synchronization signal input is
connected properly.
• Check whether the synchronization signal conforms to
the specifications of the receiver.
Set the same the audio codec mode setting on the
transmitter and this receiver.
35
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