Operation Manual
SECTION 8
COUNTERMEASURES FOR
TROUBLE AND ADJUSTMENT
8.1 FUNCTION CHECK ......................................................8-1
Function Check on Test Menu .........................................8-2
List of Alarms and other Indications.............................8-14
8.2
TROUBLESHOOTING ................................................8-17
8.3
COUNTERMEASURES TO TROUBLE ......................8-18
8.4
REPLACEMENT OF MAJOR PARTS.........................8-24
Replacement of PARTS Periodically…………………..8-26
Replacement of the Liquid-Crystal Monitor..................8-32
8.5
ADJUSTMENTS..........................................................8-33
Tuning Adjustment..........................................................8-34
Bearing Adjustment ........................................................8-35
Range Adjustment ..........................................................8-36
Antenna Height Adjustment...........................................8-37
Vector Constant...............................................................8-38
Quantization Level ..........................................................8-39
Adjustment of NSK Unit to Gyro Compass and Log ...8-40
Main Bang Suppression Adjustment ............................8-42
8.6
SETTING .....................................................................8-44
True Bearing Setting.......................................................8-44
Ship Speed Setting .........................................................8-45
Navigation Equipment Setting.......................................8-47
Current Correction (SET/DRIFT) Setting.......................8-48
Time/Day Display Setting ...............................................8-50
Adjustment of Performance Monitor (NJU-63/64)........8-52
Adjustment of Inter switch ...........................................8-54










