Verifying Transmitter Performance (Analog Operation); Figure 5-22 Configuration For Modulation Fidelity Measurement (Aeroflex 2975 Series Service Monitor) - Motorola GTR 8000 Manual

8 Click Start Pattern Transmission.
Step result: The service monitor displays:
Figure 5-22 Configuration for Modulation Fidelity Measurement (Aeroflex 2975 Series
Service Monitor)
9 Record the NAC, TGID, and SID readings from the P25 Uplink Data (in the Options menu) for use in digital
Receiver Testing.
10 Click Stop Pattern Transmission to turn off the test tone.
11 Disconnect the service monitor and reconnect the transmit antenna.
12 If no further testing is needed, click Change to Normal Mode to return the base radio to normal operation.
5.10.8 Verifying Transmitter Performance (Analog
Operation)
When and where to use:
To verify the base radio transmitter meets the ASTRO
transmit a V.52 standard test pattern.
Procedure Steps
6871022P86-A - November 2012
• The test pattern on the modulation scope.
• The amount of deviation of the carrier.
• The Modulation Fidelity as a percentage.
• The transmitters carrier frequency error.

5.10.8 Verifying Transmitter Performance (Analog Operation)

® 25 system standards, the base radio must be forced to
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