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