Performance Checks
22
Table 12. Transmitter Tests for ASTRO Conventional Channels*
Test Name System Analyzer Radio Test Set Comments
RF Output
Power
Mode: Proj 25 Std
RF Control: Monitor
Meter: RF Display
Radio Tuner
Software not
used.
Radio: Out of
TEST MODE;
Select a
conventional
ASTRO
channel
PTT to continuous
(during
measurement).
Refer to Maintenance
Specifications page in front
of manual.
Frequency
Error
As above As above As above Error ≤ ±1.0 kHz
Frequency
Deviation
As above Radio Tuner
Software is
required;
Transmitter Bit
Patterns
screen.
High use:
Symbol Rate
PAT
Low use: Low
Symbol Rate P
PTT to OFF (center) D
HIGH
≥ 2.543 kHz
but ≤ 3.110 kHz
D
LOW
≥ 0.841 kHz
but ≤ 1.037 kHz
* These tests require a communications system analyzer with the ASTRO 25 test options.
Some tests require the use of the Radio Tuner Software.
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