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Page Title: Figure 3. Heading dial setup.
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SECTION IV. CALIBRATION PROCESS
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TB-11-6625-928-35 Calibration Procedures for Test Facilities Kit MK-994/AR Manual
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Table 4. Heading Dial Check

Figure 3. Heading dial setup.
voltmeter (A2). The heading dial will be aligned with the
b. Set Gyro Signal Simulator (A1) COMP. Gyro # 2
major heading index (0°) ±1. 5°.
switch to GYRO # 2 and adjust XMTR 1 (GYRO
e. Adjust XMTR 1 for an increasing heading. The
XMTR # 1) and XMTR 2 (COMPASS & GYRO
heading dial will rotate counterclockwise.
XMTR # 2) for 0°.
f. Adjust the TI synchronizing knob clockwise. The
c. Set primary power S1 to ON.
heading dial will rotate counterclockwise.
d. Adjust the TI synchronizing knob to obtain a null on
6

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