Operation Manual
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■ Cancellation of Displaying Target Data [TGT DATA] .............5-19
5.7 ALARM DISPLAY .............................................................................5-20
■ Dangerous Target Alarm: CPA/TCPA .......................................5-20
■ Guard Zone Alarm [GUARD ZONE] ..........................................5-21
■ Lost Target Alarm [LOST TARGET] ..........................................5-22
■ System Function Alarm [ARPA(DATA)] ...................................5-23
■ Gyro Set Alarm [SET GYRO] .....................................................5-23
5.8 TRIAL MANEUVERING ..................................................................5-24
■ Trial Maneuvering in the True Vector Mode .............................5-24
■ Trial Maneuvering in the Relative Vector Mode ......................5-25
■ Using the TRIAL Function ..........................................................5-26
5.9 DELETING UNWANTED TARGETS ..............................................5-27
■ Deleting Targets ...........................................................................5-27
5.10 ARPA SETTING .............................................................................5-29
■ Simulation .....................................................................................5-30
■ Gate Size .......................................................................................5-32
■ Test Video ......................................................................................5-34
6. TRUE AND FALSE ECHOES ON DISPLAY
■ Radar Wave with the Horizon ...................................................... 6-1
■ Strength of Reflection from the Target ....................................... 6-3
■ Sea Clutters .................................................................................... 6-3
■ False Echoes .................................................................................. 6-3
■ Display of Radar Transponder (SART) ...................................... 6-6
7. MAINTENANCE
7.1 ROUTINE MAINTENANCE ............................................................... 7-1
7.2 MAINTENANCE ON EACH UNIT .................................................... 7-2
■ Scanner NKE-1079/10750/1089/1087 .......................................... 7-2
■ Transmitter-receiver Unit NTG-3037/3037A/3028 ..................... 7-4
■ Display Unit NCD-4263 ................................................................. 7-5
■ Coaxial Cable JMA-9933-SA ........................................................ 7-5
■ Wave Guide JMA-9923-7XA/9XA ................................................ 7-6
8. COUNTERMEASURES FOR
TORUBLE AND ADJUSTMENT
8.1 FUNCTION CHECK ........................................................................... 8-1
■ Function Check on Test Menu ..................................................... 8-2
■ List of Alarms and other Indications ........................................8-10










