RED PT500-2, Service Manual

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PT500-2 Service Manual
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3.9kHz---4.5kHz (wideband) 3.2kHz--3.9kHz
(median band) between 1.8kHz--
-2.3kHz (narrowband)
(2/5)TONE, DTMF, MSK Deviation
Adjust TONE, DTMF, MSK deviation in the computer adjustment mode.
3.2---4.0 kHz (wideband)
3.0kHz---3.6kHz (median band)
1.8---2.3kHz (narrowband)
VOX1, VOX10
Adjust VOX1, VOX10 microphone sensitivity in the computer adjustment mode.
VOX1 for 50mv and VOX10 for 5 mv
7.3.5 CTCSS/DCS deviation DCS/LTR
balance
Signal source: LPF: 300Hz
Adjust DCS/LTR balance in the computer adjustment mode.
Make the transmitting demodulation waveform be flat square wave.
DCS deviation
Signal source: LPF: 300Hz
Adjust DCS frequency deviation in the computer adjustment mode.
0.50kHz---0.85kHz (wideband)
0.50kHz ---0.65kHz (medium band)
0.25kHz--0.45kHz (narrowband)
The waveform shall be good.
LSD deviation
Reserved for the future.
CTCSS(67.0, 254.1Hz) deviation
Signal source: LPF:300Hz
Adjust CTCSS deviation in the computer adjustment mode.
0.50kHz---0.85kHz (wideband)
0.50kHz ---0.65kHz (medium band)
0.25kHz--0.45kHz (narrowband)
The waveform shall be good.
7.3.6 Battery warning level
Adjust the battery warning level in the computer adjustment mode.
Set the power supply voltage at 6.8V, and press start and then end.