Table 3-5: Transmitter Performance Checks - Motorola PR860 Basic Service Manual

3-6
(Models with "G" in location 10 of model number EX:AAH25RDH9GB6AN)
Test
Service Monitor
Name
Reference
Frequency 4th channel test frequency*
Monitor: Frequency error
Power RF
Voice
Modulation 4th channel test frequency*
(internal) atten to -70, input to RF In/Out
Voice
Modulation 4th channel test frequency*
atten to -70, input to RF In/Out
Monitor: DVM, AC Volts
Set 1 kHz Mod Out level for
0.025Vrms at test set,
80mVrms at AC/DC test set jack
High-Speed
Data
Modulation*
**
Low-Speed
Data
Modulation
UHF
DTMF
Modulation 4th channel test frequency*
PL/DPL
Modulation 4th channel test frequency*
*** MDC
* See Table 3-3

Table 3-5: Transmitter Performance Checks

Mode: PWR MON
Input at RF In/Out
As above
Mode: PWR MON
Mode: PWR MON
As above
As above
As above,
As above
BW to narrow
Radio Test Set
TEST MODE, PTT to
Test Channel continuous
4 carrier (during the
squelch performance
check)
As above As above
TEST MODE, Remove
Test Channel modulation
4 carrier input
squelch
output at
antenna
As above As above,
meter
selector to
mic
TEST MODE, PTT to
Test Channel continuous
4 high speed (during the
output at performance
antenna check)
TEST MODE, PTT to
Test Channel continuous
4 TLS output (during the
at antenna performance
check)
TEST MODE, As above
Test Channel
4 DTMF
output at
antenna
TEST MODE, As above
Test Channel
4
TPL
DPL
Transceiver Performance Testing
Comments
Frequency error
±200 Hz VHF
±600 Hz UHF
±60 Hz Low Band
Refer to Specifications
Press PTT switch on
radio. Say "four" loudly
into the radio mic.
Measure deviation:
VHF, UHF,
Low 1 and Low 2:
≥ 4.0 kHz but ≤ 5.0 kHz
(25 kHz Ch Sp)
Deviation: VHF, UHF,
Low 1 and Low 2:
≥ 4.0 kHz but ≤ 5.0 kHz
(25 kHz Ch Sp) Global.
5 kHz (20 kHz Ch Sp)
U.S. and Canada.
Deviation: VHF, UHF,
Low 1 and Low 2:
≥ 2.5 kHz but ≤ 3.5 kHz
(25 kHz Ch Sp)
Deviation: VHF, UHF:
≥500Hz but ≤ 1000Hz
(25 kHz Ch Sp)
Deviation: VHF, UHF,
Low 1and Low 2:
≥ 3.05 kHz but ≤ 3.45
kHz (25 kHz Ch Sp)
Deviation: VHF, UHF,
Low 1 and Low 2:
≥500Hz but ≤ 1000Hz
(25 kHz Ch Sp)