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CHAPTER 1 OPERATION
1. FRONT PANEL
FRONT PANEL
2. OPERATION
(1) When you turn on the power of a gyrocompass, the AD-100 is powered on simultaneously.
(2) Adjust the brightness of the Bearing Display and the backlighting of the keys with the Dimmer
Control.
(3) The Bearing Display is blinking, which means the data is not yet sending out from AD-100.
(4) Once you press HOLD key, the data is sent out changing the Bearing Display from blink to light.
In this state, the Hold lamp does not light yet. Prior to press of the HOLD key, adjust the Display
with the UP or DOWN keys to get the same reading to the gyrocompass.
Each pressing of the key changes the display by 0.1 degrees. For faster change, press and
hold down the key to change the display in 1.0 degree steps.
(5) If Power fail detection is preset to OFF (See page 3-10), switching on the gyrocompass makes
the data of AD-100 output immediately. Therefore, it is necessary to ensure that the reading
between the gyrocompass and the Display is same after the gyrocompass reading stabilizes.
(6) To freeze the display, press the HOLD key. In this case the HOLD lamp lights. To restart the
display press the HOLD key. Since the computing circuit is disengaged from the gyrocompass
during HOLD, readjust the Display to get the same reading to the gyrocompass.