Motorola ASTRO XTS 5000 I - Table 11. Transmitter Performance Checks

Performance Checks
21
Table 11. Transmitter Performance Checks
Test Name System Analyzer Radio Test Set Comments
Reference
Frequency
RF Control: Monitor
Meter: RF Display
Display: Bar Graphs
Freq: Selected radio TX
freq.
TEST MODE
CSQ channel*
or
programmed
conventional
channel
PTT to continuous
(during the
performance check).
Frequency error to be ≥
±1.2kHz.
Power RF As above As above As above Refer to Maintenance
Specifications page in front
of manual.
Voice
Modulation
(External)
As above. Set fixed 1kHz
audio level to 400 mV.
As above As above Deviation:
(12.5kHz) ≥ 2.1kHz but ≤
2.5kHz
(25kHz) ≥ 4.1kHz but ≤
5.0kHz
Voice
Modulation
(internal)
RF Control: Monitor
Meter: RF Display
Display: Bar Graphs
Freq: Selected radio TX
freq.
As above Remove modulation
input. PTT to OFF
(center)
Press PTT button on radio.
Say “four” loudly into the
radio mic. Measure
deviation:
(12.5kHz) ≥ 2.1kHz but ≤
2.5kHz
(25kHz) ≥ 4.1kHz but ≤
5.0kHz
PL Modu-
lation (radios
with conven-
tional, clear
mode, coded
squelch oper-
ation only)
As above Conventional
coded squelch
personality
(clear mode
operation) or
TPL channel
(test mode*)
PTT to continuous
(during the
performance check)
Deviation:
(12.5kHz) ≥ 375Hz but ≤
500Hz
(25kHz) ≥ 500Hz but ≤
1000Hz
Secure
Modulation
(radios with
conventional,
secure mode,
talkaround
operation
only)
As above Programmed
conventional
channel
(secure mode
operation)
Load key into
radio.
As above Deviation:
≥ 3.7kHz but ≤ 4.3kHz
* See Table 8 on page 16