Radio Alignment Procedures: Front End Filter Alignment Sec 2: 6-21
6.6.2 Procedure for UHF Range 2 (Auto Tune)
Tuning of the radio is done through Rx Front End Filter tuning screen
1. Select the Rx Front End Filter alignment screen. See Figure 6-29.
2. Click on the slider or the "New Softpot Value" text box to select which frequency to tune. 
3. Apply  RF test signal input with no modulation at -14 dBm on the Test Signal Frequency 
displayed at the top of the screen.
4. Left-click the Autotune button.
5. Repeat the steps 2–4 for all frequencies.
6. Left-click the Program All button on the screen to save the tuned values in the radio.
Figure 6-29.  Front End Filter Alignment Screen (UHF2)