Sec 2: 6-6 Radio Alignment Procedures: Transmitter Alignments
Figure 6-7. Reference Oscillator Alignment Screen (UHF2 and VHF)
2. Make sure the Communication Analyzer is in Manual mode.
VHF and 700–800 MHz, UHF1 and 700–800 MHz ,and, UHF2 and 700–800 MHz
• Set the base frequency to 869.8875 MHz
UHF1 and VHF
• Set the base frequency to 469.925 MHz
UHF2 and VHF
• Set the base frequency to 519.975 MHz
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 Table 6-1.
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. Reference Oscillator Alignment
Band Target
VHF –
700 MHz/800 MHz ±100 Hz
UHF1 ±100 Hz
UHF2 ±100 Hz