JRC JCY-1800 Installation Manual page 107

5.2.3. How to operate the Operation Panel Unit (on NSK mode)
The NSK mode is usable only when the NSK-I/F Board is activated. The board is needed to receive ship's heading angle
either in Synchro or in step mode or to input log speed in pulse. When the NSK-I/F Board is not activated, the Operation
Panel Unit is not operated in NSK mode.
The NSK-I/F Board is an optional unit for the VDR.
1. Establish the initial value of HEADING:
1)
Turn on the RECORDING CONTROL UNIT.
2)
The ALARM BUZZER sounds as the initial HEADING angle has not been registered.
3)
ALARM LED and the four digit ERROR CODE LEDs ("01__ "and "6033") blink.
4)
Press the ALARM ACK SWITCH until the buzzer stops.
5)
Press the MODE SWITCH, and the Operation Panel Unit is operated in NSK mode.
6)
The HEADING LED blinks until the initial value will be registered.
7)
Confirm the HEADING angle displayed on ship's Gyro.
8)
Enter the value to the Operation Panel Unit.
• The blinking digit accepts input. Select the digit with RIGHT/LEFT SWITCH.
• Adjust the input value by UP/DOWN SWITCH.
• Repeat above procedure until the HEADING angle is inputted successfully.
9)
Press the ENTER SWITCH, and the initial value of HEADING is registered into the S-VDR.
10) The HEADING LED lights up.
11) The four digits LED repeats the heading angle shown on ship's Gyro.
2. Return the Normal mode from the NSK mode:
To return to the normal mode follow the next procedure.
• Press the MODE SWITCH.
• The Mode automatically returns back to Normal mode in five minutes.
JCY-1800/1850 VDR/S-VDR Installation Guide
97
5. Instruction
DOC No. 7ZPJD0387C