Motorola ASTRO XTL 5000 Basic Service Manual page 57

Performance Checks: Transmitter Performance Checks
Test Name
PL Modulation Change frequency to 1st channel
(radios with test frequency**;
conventional, clear B/W to narrow
mode, coded
squelch operation
only)
Talkaround Change frequency to conventional
Modulation (radios talkaround frequency.
with conventional, Mode: PWR MON
clear mode, deviation, attenuation to –70,
talkaround input to RF In/Out
operation only) Monitor: DVM, AC Volts
Set 1 kHz Mod Out level for
8 mVrms at dummy microphone or
load box.
Talkaround Change frequency to conventional
Modulation (radios talkaround frequency.
with conventional, Mode: PWR MON
secure mode, deviation, attenuation to –70,
talkaround input to RF In/Out
operation only) * Monitor: DVM, AC Volts
Mod: 1 kHz out level for 80 mVrms
at dummy microphone or load box.
* The secure mode, talkaround modulation test is only required for radios that do not have clear mode
talkaround capability.
** Test frequencies are listed in
6881096C73-O
Table 5-5. Transmitter Performance Checks (Continued)
System Analyzer
Table 5-2 .
Test
Radio
Condition
TEST MODE, Remove
1 TPL modulation input
from dummy
microphone or
load box.
Press and hold
PTT switch.
Conventional Press and hold
talkaround PTT switch.
personality
(clear mode
operation)
1 CSQ
Conventional Press and hold
talkaround PTT switch.
personality
(secure mode
operation).
Load key into
radio 1 sec.
5-7
Comments
Deviation:
800 MHz:
>= 500 Hz but <= 1000
Hz
See the Detailed
Service Manual for test
equipment
descriptions.
Deviation:
800 MHz:
>= 3.8 kHz but <= 5.0
kHz
See the Detailed
Service Manual for test
equipment
descriptions.
Deviation:
800 MHz:
>= 3.6 kHz but <= 4.4
kHz
See the Detailed
Service Manual for test
equipment
descriptions.
June 11, 2003