Motorola APX 4000, Basic Service Manual, Page: 192 / 526

6-8 Radio Alignment Procedures : Transmitter Alignments
3. Left-click the Program All button on the screen to dekey the radio and save the tuned values.
4. Left-click the Close button on the screen to return to the Transmitter Alignments menu.
6.5.2 Power Characterization Points
Tuning of the radio is done through Power Characterization Points tuning screen.
1. Select the TX Power Characterization Points alignment screen. See Figure 6-9 ,
Figure 6-10 , Figure 6-11 and Figure 6-12 .
2. Set power supply voltage and current limit.
3. Adjust softpot value by manipulating the slider bar, incrementing the "New Softpot Value" text
box, or directly entering the desired value into the "New Softpot Value" text box until the rated
power is indicated on the service Monitor. For rated power refer to the help text in the Tuner.
4. Repeat the steps 2 and 3 for all frequencies.
5. Left-click the
Program All button on the screen to dekey the radio and save the tuned values.
Table 6-1. Reference Oscillator Alignment
Band Target
VHF ±100 Hz
UHF1 ±100 Hz
UHF2 ±100 Hz
700/800 MHz ±100 Hz