User's Instructions

UHF Microphone System
F.Connection
Connection
UHF Microphone System
Troubleshooting
G.Troubleshooting
Problem
Possible cause
1.Connection instructions for dual channel models (figure 12)
Transmitter’s batteries are exh-
austedor DC in is not connected
well.
No operation
indication
DC INPUT
ANTENN A-B
BAL- OUT
BAL
-
OUT
ANTENNA-A
MIX CUT
Transmitter and receiver are not
at the same channel
Transmitter is out of range
No RF signal
（Figure12)
Transmitter is muted(”MUTE”)
RF signal available, Receiver’ssquelch threshold is
no audio signal,“M- adjusted too hight
ute”appears on the
2.Connection instructions for four channel models (figure 13)
display panel
Transmitter doesn’t transmit a
pilot tone
DC INPUT
ANT ENNA -B
MIX CUT
BAL-D OUT
BAL-C OUT
BAL-B OUT
BAL-A OUT
ANTENNA-A
Transmitter sensitivity is adjus-
ted too low
Audio signal has a
high level of back-
ground noise
Receiver’sAF output level is a-
djusted too low
（Figure13)
3.Connection instructions for four channel models (figure 13)
Transmitter sensitivity is adjus-
ted too high
Audio signal is dis-
trorted
Receiver’sAF output level is a-
djusted too high
ANTENNA-C
BAL-HOUT BAL-G OUT
BAL-F OUT
BAL-E OUT
ANTENNA-A
Transmitter set at a low-power
DC INPUT
ANTENNA-D
BAL-DOUT
BAL-COUT
BAL-B OUT
BAL-AOUT
Squelch is too high
MIX CUT
ANTENNA-B
The use of short
distance,Signal
instrbiity
Receiver antenna set improper
Surrounded by strong electrom-
agnetic interference
（Figure14)
22
23