VERIFICATION
IFR 4000
Subject to Export Control, see Cover Page for details. Page 6
Jun 1/11
(3) RF Level Accuracy (ANT Connector)
TEST EQUIPMENT: Power Meter
Power Sensor
Measuring Receiver
VERIFICATION FAILURE: If any step in this procedure fails or is out of tolerance,
this indicates a failure in the Test Set. Refer to the
IFR 4000 Maintenance Manual for corrective action.
STEP PROCEDURE
1. Connect the Power Sensor to the Power Meter (POWER REF Connector) and
zero Power Meter.
2. Disconnect the Power Sensor from the Power Meter (POWER REF Connector)
and connect the Power Sensor to the ANT Connector.
3. Press the SETUP Key to display the Setup Menu.
4. Set the Test Set as follows:
FIELD SETTING
PORT ANT
FREQ VAR
5. Press the MODE Select Key until the COMM AM Mode Screen is displayed.
6. Set the Test Set as follows:
FIELD SETTING
FREQ 10.000 MHz
RF LVL -30.0 dBm
MOD TONE OFF
M MOD 0%
7. If the COMM AM Mode Screen is in RECEIVING Mode, press the SWITCH
GEN/RX Soft Key to switch the COMM AM Mode Screen to GENERATING Mode.
8. Verify -30 dBm (±3 dB) on the Power Meter.
9. Set the FREQ Field to 30.000 MHz.
10. Verify -30 dBm (±3 dB) on the Power Meter.
11. Set the FREQ Field to 75.000 MHz.
12. Set the RF LVL Field to -16 dBm.
13. Verify -16 dBm (±3 dB) on the Power Meter.
14. Set the RF LVL Field to -30 dBm.
15. Verify -30 dBm (±3 dB) on the Power Meter.
16. Set the FREQ Field to 108.000 MHz.
17. Set the RF LVL Field to -16 dBm.
18. Verify -16 dBm (±3 dB) on the Power Meter.
19. Set the RF LVL Field to -30 dBm.
20. Verify -30 dBm (±3 dB) on the Power Meter.
21. Set the FREQ Field to 108.100 MHz.
22. Set the RF LVL Field to -16 dBm.
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