MAINTENANCE MANUAL
IFR 4000
2-2-3
Page 39
Aug 1/04
(18) FM Meter
TEST EQUIPMENT:
RF Signal Generator
MeasuringReceiver
Power
Sensor
VERIFICATION FAILURE:
If any step in this procedure fails or is out of tolerance,
this indicates a failure in the Test Set. Refer to
Troubleshooting for corrective action.
STEP PROCEDURE
1. Connect the Power Sensor to the RF Signal Generator (Output).
2. Set the RF Generator as follows:
CONTROL
SETTING
Frequency
165
MHz
Level
-20
dBm
3. Set the RF Generator Tone and FM Deviation as follows and record the FM
readings:
TONE FM
DEVIATION
FM READINGS
400 Hz
15 kHz
Record as X1
400 Hz
10 kHz
Record as X2
400 Hz
1 kHz
Record as X3
1000 Hz
15 kHz
Record as X4
1000 Hz
10 kHz
Record as X5
1000 Hz
1 kHz
Record as X6
4. Press the SETUP Key to display the Setup Menu.
5. Set the PORT Field to
ANT
.
6. Press the MODE Select Key until the COMM VHF FM Mode Screen is displayed.
7. Set the FREQ Field to
165.000 MHz
.
8. Disconnect the Power Sensor from the RF Signal Generator and connect the RF
Signal Generator (Output) to 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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