ATTEN CONTROL ALINEMENT.

TM 11-6625-2976-40

2-14. VORBEARING SELECTOR CONTROL ALINEMENT. (CONT)

PROCEDURE (CONT)

4. Rotate VOR bearing selector control clockwise, stopping at each control setting. Verify

oscilloscope waveform at each control setting matches appropriate square wave in diagram

above.

2-15. ATTEN CONTROL ALINEMENT.

TEST EQUIPMENT REQUIRED

Dual-Volt Power Supply, HP PS503A

Power Meter, HP 432A with H75-478A

EQUIPMENT SETUP

Connect equipment as indicated in the following diagram.

NOTE

Dual-volt power supply to test set J2 pin connections shown in preliminary procedure

(page 24).

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