Turn graduated disc of main gyro compass to comply with the graduated disc of Repeaters. Then install synchro.

转动主罗经刻度盘到分罗经同一示度，然后装上同步机。

youdao

Turn graduated disc of main gyro compass to comply with the graduated disc of Repeaters. Then install synchro.

转动主罗经刻度盘到分罗经同一示度，然后装上同步机。

youdao