Radio Alignment Procedures: Transmitter Alignments Sec 1: 6-5
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 6-5 to Figure 6-8.
Figure 6-5. Reference Oscillator Alignment Screen (VHF)
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