User Manual

TR-800 Service Manual
-31-
MONI
Any
channel
/ / MONI Check up
Long press the monitor key,
the main radio processes
monitoring, with red LED
flashes.
Slave radio
transmit
Any
channel
without
tones
Communication
test set
Slave
radio Rx
connector
/
Adjust the audio
output amplitude of
the analyzer MIC to
7mVinto 3 pin of
J0109, check the
TX frequency dev.
Matching of 60%
system Dev., check
modulation
distortion and TX
S/N.
duplex frequency deviation:
3.0±0.2kHz (wide)
1.5±0.1kHz (narrow)
Modulation distortion: ≤3%
Tx S/N: ≥ 45dB (wide)
≥40dB (narrow)
Uni-directional
repeater
(reverse)
Channels
with/
without
tones
Communication
test set
Slave
radio Rx
connector
RV0102
Adjust the signal
output amplitude of
Analyzer to
-47dBm, adjust
RV0102 to obtain a
frequency dev. of
60%; check the
modulation
distortion and TX
S/N; decrease the
signal output
amplitude, check
the duplex
sensitivity.
Duplex sensitivity:
-117(+1/-3dBm)
CTCSS duplex sensitivity:
-117(+1/-3dBm)
CDCSS duplex sensitivity:
-117(+1/-3dBm)
Repeater frequency deviation:
2.9±0.2kHz (wide)
1.4±0.1kHz (narrow)
Repeater audio distortion:
≤3%@3W
≤10%@5W
Tx S/N: ≥42dB (wide)
≥37dB (narrow)
Max. Power output (without
duplexer):
45±2W(UHF)
50±2W(VHF)
d) Radio Kill Function
Measure Adjustment
Item Condition
Instrument Point Point Method
Specification/Remark
Remote
Knockdown
Channel with
optional
signaling
Radio / / Set S01-2 “ON”
Transmit DTMF code via the
portable radio to remotely disable
the main radio, orange LED goes
out and the TR-800 is in knockdown
state
e) Knockdown State