JRC RADAR 1800 - Page 15

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CUSTOM SETUP ............................................................... 102
PRESET ................................................................................................................ 102
CUSTOM INITIALIZE ....................................................................................... 102
MEMORY COPY ................................................................ 102
USE THE CARD ................................................................................................. 103
USE THE PC ....................................................................................................... 104
ALARM ................................................................................ 105
NAV ALARM (Navigation alarms)........................................................................ 105
RADAR ALARM .................................................................................................. 107
BZ ALARM .......................................................................................................... 107
TEMP. ALARM (Temperature alarms) .................................................................. 108
CLOCK ALARM .................................................................................................. 108
BUZZER (Alarm buzzer) ...................................................................................... 108
Self Test Operation ......................................................................109
Master Reset and Language Select Operation..............................110
SECTION 4 Maintenance ..................................... 115
General ........................................................................................115
Scanner Unit................................................................................115
Radome Scanner Unit ................................................................ 116
Display Unit ................................................................................116
Cleaning the Display Unit Screen ............................................... 116
SECTION 5 Principle ........................................... 117
Radar Basics ................................................................................117
Strength of Reflection from the Targets ...................................... 117
Sea Clutters ................................................................................ 117
False Echoes................................................................................ 118
GPS/DGPS Basics .......................................................................120
GPS............................................................................................ 120
Differential GPS (DGPS) ........................................................... 121
Wide Area Augmentation System (WAAS) ................................. 122
SECTION 6 Interswitch (option).......................... 123
Outline ........................................................................................123
Components............................................................................... 123
Construction .............................................................................. 124
Installation ..................................................................................125
Setting Jumpers .......................................................................... 125
Unit Connecting Cable .............................................................. 126