User's Manual

APPLICANT: MOTOROLA INC. EQUIPMENT TYPE: ABZ89FC5802
EXHIBIT 9
Tune Up Procedure
This exhibit contains the tune-up procedure as it will appear in the Astro® 25 system release 6.2
Simulcast Configuration Manual.
The following adjustments comprise the transmitter setups.
1. Reference oscillator installation
2. Setting transmitter frequency and power level.
3. Measuring channel interference
4. Measuring the transmitter metering points
5. Measuring the transmitter frequency error
Test Equipment
Description Recommended Model
Service Monitor Motorola R-2001 or equivalent
PC with CSS Software
Procedure
CSS Port: 9-pin serial cable with D connector is provided on the station control module front panel to
allow service personnel to connect a PC loaded with the Configuration Service Software (CSS) and
perform programming and maintenance tasks via the RS232 port. The following pages of this exhibit
show the important alignment screens.
Exhibit Description
9A Installing reference oscillator
9B Configuring channel frequency and power level
9C Measuring channel interference
9D Measuring the transmitter metering points
9E Measuring the transmitter frequency error