Figure 6-5. Reference Oscillator Alignment Screen (Uhf1) - Motorola APX 3000 Basic Service Manual

Radio Alignment Procedures: Transmitter Alignments
This test can be done with either the R-2670 Communication Analyzer or the 8901_ Modulation
Analyzer.
• Initial setup using the R-2670 Communication Analyzer:
- RF Control: MONITOR
- B/W: WB
- Freq: CPS frequency under test
- Attenuation: 20dB
- Mon RF in: RF I/O
- Meter: RF Display
- Mode: STD
- Input Level: uV or W
- Display: Bar Graphs
- Squelch: Mid-range or adjust as necessary
• Initial setup using the 8901_ Series Modulation Analyzer:
- Press the green Automatic Operation button on the analyzer.
- Press the FREQ key.
- Type 7.1 followed by SPCL button to set the 8901B_ modulation analyzer for maximum
accuracy.
To align the reference oscillator:
Select the Reference Oscillator alignment screen. See
Figure 6-8.

Figure 6-5. Reference Oscillator Alignment Screen (UHF1)

Figure 6-5, Figure 6-6,
6-5
Figure 6-7 and