HYT TR-50 Series, Руководство по обслуживанию

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TR-50 Alignment & Calibration
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3. Relay Component (Note: Before adjustment, make sure the antenna (dummy load)
are properly connected and space-isolated)
Measurement Adjustment
Item Condition
Test
Instrument
Test
Point
Part Method
Specification/
Remarks
Operation
Frequency
PC operation
system:
WIN98SE
/WIN2000
Programming
software:
HT-50E
RJ45
Programming
port
Receiver
:
1CH
455.0125MHz
2CH
455.0125MHz
CTCSS ： 67.0Hz
3CH
455.0125MHz
CDCSS
：
025
Transmitter
:
1CH
465.0125MHz
2CH
465.0125MHz
CTCSS
：
67.0Hz
3CH
465.0125MHz
CDCSS
：
025
Relay
deviation
Turn to CH1 and
enter duplex
mode. With
Transmitter
connected to
“RF in” port and
receiver to “Dual
out” port. Align
the output of
“RF GEN” to
455.0125MHz 。
BPF:0. 3~3KHz
AF OUT:
1KHz/150mV
Antenna VR3
Use ceramic
adjuster to
rotate VR3
until the
deviation is
within
requirement.
Frequency
deviation:
3.0±0.2KHz
Tx Power
Turn to CH1,
press PTT key
on handheld
microphone to
transmit (or
check Tx power
in duplex mode)
Antenna Check
Power Output:
4.5±0.5W