MAINTENANCE MANUAL
IFR 4000
2-2-3
Page 18
Aug 1/04
STEP PROCEDURE
15. If the VHF AM Mode Screen is in RECEIVING Mode, press the SWITCH GEN/RX
Soft Key to switch the COMM VHF AM Mode Screen to GENERATING Mode.
16. Verify the harmonic is <-20 dBc and the spurious is <-35 dBc.
17. Press the MODE Select Key until the COMM UHF Mode Screen is displayed.
18. Set the Test Set as follows:
FIELD
SETTING
FREQ
400.000 MHz
RF LVL
0.0 dBm
MOD TONE
OFF
M MOD
0%
19. If the UHF Mode Screen is in RECEIVING Mode, press the SWITCH GEN/RX
Soft Key to switch the COMM UHF Mode Screen to GENERATING Mode.
20. Verify the harmonic is <-20 dBc and the spurious is <-35 dBc.
21. Disconnect the Spectrum Analyzer from the ANT Connector.
Summary of Contents for IFR 4000
Page 1: ...NAV COMM Test Set Maintenance Manual 1002 5600 4P0 IFR 4000...
Page 3: ...MAINTENANCE MANUAL IFR 4000 FOR QUALIFIED SERVICE PERSONNEL ONLY...
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Page 166: ...MAINTENANCE MANUAL IFR 4000 2 3 1 Page 6 Aug 1 04 STEP PROCEDURE 4 Remove the Fuse...
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