Table 5-9. Transmitter Tests For Astro Conventional Channels - Apx 2000/ Apx 4000/ Apx 4000Li - Motorola APX 1000 Basic Service Manual

Performance Checks: Transmitter Performance Checks
Table 5-9. Transmitter Tests for ASTRO Conventional Channels – APX 2000/ APX 4000/ APX 4000Li
Test Name System Analyzer
RF Power Mode: Proj 25 Std
RF Control: Monitor
Meter: RF Display
Frequency As above
Error
Frequency As above
Deviation
*
These tests require a communications system analyzer with the ASTRO 25 test options.
Radio
Radio Tuner PTT to continuous
Software not used. (during
Radio: Out of measurement).
TEST MODE;
Select a
conventional
ASTRO channel
As above As above
Radio Tuner PTT to OFF
Software (center)
(Transmitter Test
Pattern screen) is
required)
High use: Symbol
Rate PAT
Low use: Low
Symbol Rate P
Test Set
VHF: 1–5 Watt
UHF1: 1–5 Watt
UHF2: 1–5 Watt
700: 1–2.7 Watt
800: 1–3 Watt
900: 1–2.5 Watt
Error ≤ ±1.0 kHz
D
HIGH
≥ 2.543 kHz but
≤ 3.110 kHz
D
LOW
≥ 0.841 kHz but
≤ 1.037 kHz
(Use test setup shown in
Figure 6-1
5-11
Comments
)