JRC JHS-183 - Page 91

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b) Details of NSK Unit setting
Each item’s detail are shown below
2. ALARM
Current alarm of NSK UNIT
Indication Description
OK Normal
SYNCIRQ ERR Connection error in case sync type selected
（e.g. breaking of wire）
SYNCWIRE ERR
STEPIRQ ERR Connection error in case step type selected
（e.g. breaking of wire）
STEPWIRE ERR
PROG.MEM.ERR Operation error
3. TYPE
Displays the type of gyrocompass
Indication Description
STEP Step signal
SYNC Sync signal
4. RATIO
Displays the rotation ratio
Indication Description
36X Rotation ratio
90X
180X
360X
5. DIRECTION
Displays the direction of rotation
Indication Description
REV
Reversal（a left-handed rotation）
NORM
Normal（a right-handed rotation）
6. OUTPUT TIMING
Displays the renewal time of heading value
Indication Description
RESERV Reserved
1S Renew the heading every 1 second
100MS Renew the heading every 0.1 seconds
50MS Renew the heading every 0.05 seconds
7. SIMULATOR
Displays the operation mode
Indication Description
TEST Operation check mode.
The heading value shows 0.0 always.
NORM
Normal operation mode（displayed normally）
8. ERR TIMING
Displays the alarm detecting time
Indication Description
5S Detect the alarm every 5 seconds
0.2S Detect the alarm every 0.2 seconds