Table 5-8. Transmitter Tests For Astro Conventional Channels - Motorola ASTRO XTS 5000 Basic Service Manual

Performance Checks: Transmitter Performance Checks
Test Name System Analyzer
Voice As above. Set fixed 1 kHz
Modulation audio level to 400 mV.
(external)
Voice RF Control: Monitor
Modulation Meter: RF Display
(internal) Display: Bar Graphs
Freq: Selected radio TX
freq.
PL Modulation As above
(radios with
conventional,
clear mode,
coded squelch
operation only)
Secure As above
Modulation
(radios with
conventional,
secure mode,
talkaround
operation only)
*
See Table 5-4 on page

Table 5-8. Transmitter Tests for ASTRO Conventional Channels*

Test Name System Analyzer
RF Power Mode: Proj 25 Std
RF Control: Monitor
Meter: RF Display
Frequency As above
Error
6881094C28-D
Table 5-7. Transmitter Performance Checks (Continued)
Radio
As above
As above
Conventional
coded squelch
personality (clear
mode operation)
or TPL channel
(test mode*)
Programmed
conventional
channel (secure
mode operation)
Load key into
radio.
5-4.
Radio
Radio Tuner
Software not used.
Radio: Out of
TEST MODE;
Select a
conventional
ASTRO channel
As above
Test Set
As above Deviation:
(12.5 kHz) ≥ 2.1 kHz, but
≤ 2.5 kHz
(25 kHz) ≥ 4.1 kHz, but
≤ 5.0 kHz
Remove Press PTT button on radio.
modulation input. Say "four" loudly into the
PTT to OFF radio mic. Measure
(center) deviation:
(12.5 kHz) ≥ 2.1 kHz but
≤ 2.5 kHz
(25 kHz) ≥ 4.1 kHz but
≤ 5.0 kHz
PTT to continuous Deviation:
(12.5 kHz) ≥ 375 Hz but
(during the
≤ 500 Hz
performance
(25 kHz) ≥ 500 Hz but
check)
≤ 1000 Hz
As above Deviation:
≥ 3.7 kHz but ≤ 4.3 kHz
Test Set
PTT to continuous VHF: 1–6 Watts
(during UHF R1: 1–5 Watts
measurement). UHF R2: 1–5 Watts
700/800 MHz:
764–806 MHz: 2.5 Watts
806–870 MHz: 3 Watts
Error ≤ ±1.0 kHz
As above
5-9
Comments
Comments
July 16, 2004