Specifications

Chapter 3 83
Troubleshooting
Manual Troubleshooting Procedures (Step 4)
Figure 3-18 Isolating the RF Analyzer
To isolate an RF analyzer problem:
1. On the Test Set:
a. Press
Preset.
b. Press the
Inst Config to access the INSTRUMENT CONFIGURE
screen.
•Set the RF Display field to Freq.
•Set the RF Offset field to Off.
c. Press the
RF Anl key (to go to the analog RF ANALYZER screen).
•Set the Tune Freq to 100 MHz.
•Set the Input Port to RF IN.
2. On the external RF signal generator:
a. Set the frequency to 100 MHz CW.
b. Set the amplitude to 0 dBm.
c. Connect the output to the Test Set’s RF IN/OUT connector.
OPP
100 W
Attenuator
Splitter
Output
RF Analyzer
ANT
IN
RF
IN/OUT
DUPLEX
OUT
Input
Attenuator
Power
Detector
Down
Conversion
Receiver
Synthesizer
Receiver &
IF
Demod
(FM, AM, SSB)
Spectrum
Analyzer
Reference
RF I/O
RPP
Attenuator
FROM RF SOURCE