– xviii –
5.9 DELETING UNWANTED TARGETS
■ Deleting Targets.........................................................................................................5-30
5.10 ARPA SETTING
■ Simulation ..................................................................................................................5-33
■ Gate Size ....................................................................................................................5-35
■ Test Video..................................................................................................................5-37
6. TRUE AND FALSE ECHOES ON
DISPLAY
■ Radar Wave with the Holizon......................................................................................6-1
■ Strength of Reflection from the Targets.......................................................................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
■ Scanner NKE-1079/1075/1059/1052...........................................................................7-2
■ Transmitter-receiver Unit NTG-3037/3027 .................................................................7-4
■ Display Unit NCD-4111 ..............................................................................................7-5
■ Coaxial Cable (JMA-9833-SA)....................................................................................7-5
■ Wave Guide (JMA-9823-7XA/9XA)...........................................................................7-6
8. COUNTERMEASURES FOR
TROUBLE AND ADJUSTMENT
8.1 FUNCTION CHECK.......................................................................8-1
8.2 TROUBLESHOOTING .................................................................8-16
8.3 COUNTERMEASURES TO TROUBLE .......................................8-17
8.4 REPLACEMENT OF MAJOR PARTS
■ Replacement of Magnetron (V1/V101/V201) ...........................................................8-24
■ Replacement of TRHPL (A202/A303) (JMA-9833-SA/9832-SA) ...........................8-24
■ Replacement of Diode Limiter (A203/A303)
(JMA-9823-7XA/9XA, JMA-9822-6XA/9XA) ........................................................8-24
■ Replacement of PIN Attenuator (A302)
(JMA-9823-7XA/9XA, JMA-9822-6XA/9XA) ........................................................8-24
■ Replacement of CRT (V1) .........................................................................................8-25
To Next Page
Loading...
