IFR FM/AM-1200A Operation Manual page 241

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STEP PROCEDURE
8. Verify FREQ ERROR Meter (36) is centered.
9. Place FREQ ERROR Meter Range Selector Control (35) to the RF "1K''
position.
10. Using Keyboard ( 18), slew 1 ast character of RF function up and
down 5 units and verify deflection on FREQ ERROR Meter (36).
RECEIVING WWV TIME STANDARD TO CALIBRATE FM/AM-1200S/A
MASTER OSCILLATOR (Off-The-Air)
1. Connect BNC Tee Connector to ANT Connector (34).
2. Connect antenna to one side of Tee Connector.
3. Connect 2 foot length
50~
coax cable between the External
Reference Connector (45) to other end of BNC Tee Connector.
Loosely connect coax cable to BNC Tee Connector,
so as not to swamp out the received WWV signal.
4. Adjust REF CAL Adjustment (13) on FM/AM-12005/A front panel to
obtain a suitable beat note (zero beat) from the FM/AM-12005/A
speaker.
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