7 – 18
7.5
7
S5-4 : Gyro direction
Normal (clockwise)······················· [OFF]
Reverse (counterclockwise) ·········· [ON]
S5-5 : Log type
Pulse signal ··································· [OFF]
Synchronizing signal ····················· [ON]
S5-6 : Not used
S5-7, -8 : Log ratio
Pulses/nm (Pulse signal)
800 400 200 100
Rotations/nm (Synchro signal)
360X 180X 90X 36X
S5-7 OFF OFF ON ON
S5-8 OFF ON OFF ON
S6 : Log test
Select the switch to [NORML] position.
S7 : BSH (IMO) spec
Select the switch to [NORML] position.
JP1 : Gyro type
Synchro signal ... Select the [SYNC] position.
Stepper signal ... Select the [STEP] position.
(2) Connect the gyro signal and log signal cables to the NSK circuit (PC4201).
(3) Set S1 to [ON].
* If radar echoes and the own ship's true bearing indications are displayed in reverse direction after the
power is turned on, set S5-4 to [ON].