5-8
Test Name
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
80 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
October 30, 2006
Table 5-5. Transmitter Performance Checks (Continued)
System Analyzer
Table
5-2.
Performance Checks: Transmitter Performance Checks
Test
Radio
Condition
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.
Comments
Deviation:
VHF, UHF, 700-
800 MHz:
>= 3.8 kHz but
<= 5.0 kHz
See the Detailed
Service Manual for
test equipment
descriptions.
Deviation:
VHF, UHF, 700-
800 MHz:
>= 3.6 kHz but
<= 4.4 kHz
See the Detailed
Service Manual for
test equipment
descriptions.
6871769L01-A