Motorola APX 5000 Service Manual page 215

Radio Alignment Procedures: Transmitter Alignments
Figure 6-8. Reference Oscillator Alignment Screen (700/800 MHz)
1. Make sure the Communication Analyzer is in Manual mode.
2. Set the base frequency to:
3. Adjust the reference oscillator's softpot value with the slider until the measured value is as
close as possible to the frequency shown on the screen. See
NOTE: Increases the slider decreases the frequency and vice versa.
4. Left-click the Program All button on the screen to dekey the radio and save the tuned values.
5. Left-click the Close button on the screen to return to the Transmitter Alignments menu.
Table 6-1. Base Frequencies
VHF UHF1
173.975 MHz 469.925 MHz
Table 6-2. Reference Oscillator Alignment
Band
VHF
UHF1
UHF2
700/800 MHz
UHF2 700/800
519.975 MHz 869.8875 MHz
Table
Target
±50 Hz
±50 Hz
±50 Hz
±50 Hz
Sec 2: 6-7
6-2.