FIELD: instrument making.
SUBSTANCE: gyrocompass mode is switched on to bring the main axis of directional gyroscope to the plane of meridian in northerly direction. After the main axis of directional gyroscope is brought to the meridian plane in northerly direction and AN azimuth value is recorded from the directional attitude sensor, accelerated turn of directional gyroscope is subsequently performed in azimuth through π angle and the gyroscope mode is switched on to bring the main axis of directional gyroscope to meridian plane in southerly direction.
EFFECT: accuracy improvement.
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