Radio Alignment Procedures
26
6. Left-click the PTT Tone: Low button.
7. Left-click the PTT Toggle button on the screen to enable transmission. The screen
indicates whether the radio is transmitting. Wait approximately 5 seconds until the
voltage shown on R-2670, or the deviation shown on the 8901_ analyzer, stabilizes.
8. Measure and record the ac voltage value from the R-2670 analyzer or the deviation
value from the 8901_ series analyzer.
9. Left-click the PTT Tone: High button.
10. Adjust the softpot value until the measured deviation/voltage, when using the high
tone, is within +/- 1.5% of the value observed when using the low tone.
11. Repeat the above process for all frequencies.
12. Left-click the Program All button on the screen to dekey the radio and save the tuned
values.
13. Left-click the Close button on the screen to return to the Transmitter Alignments
menu.
Figure 10. Transmit Deviation Balance Alignment Screen
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