Operation Manual

● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● ●
11-12
１１
11.12 ARPA ･････････････････････････････････････
(1) Acquisition
・Acquisition Mode ：Auto/Manual Acquisition(Targets are acquired
within guard zone in the automatic acquisition
mode)
・Manual Cancellation of
Unwanted Target ：Each One Target or All Target at once
(2) Tracking
・Number of Targets ：50 Targets (Auto Tracking)
・Acquisition and
Tracking Range ：32 NM
(3) Presentation
・Display Modes ：TM (True Motion) / RM (Relative Motion)
・Bearing Modes ：North-up / Head-up / Course-up
・Vector Modes ：True/Relative Display
Vector Length：Adjustable from 1 to 60 min
・Past Position Display ：True / Relative Display
Number of Dots：6 points
Display Time 30sec, 1 min, 2 min, 4 min
・Time to Display Vector ：Within 1 min
・Time to Stabilize Vector ：Within 3 min
(4) Alarm
・Guard Zone ：2
・Setting Ranges ：Guard Zone 1 (0.5 - 32 NM),
Guard Zone 2 (0.5 - 32 NM)
・Alarm Indication ： mark on LCD with Visible / Audible alarm
(5) Safe Limits (CPA/TCPA)
・Setting Condition ：CPA LIMIT (0.1 - 9.9 NM)
TCPA LIMIT (1 - 99 min)
・Alarm Condition ：
Safe
Target
・CPA>CPA LIMIT
・ 0>TCPA
・ TCPA>TCPA LIMIT
Danger
Target
・ CPACPA LIMIT，
0TCPATCPA LIMIT
・Alarm Display ：
Status LCD Symbol Alarm Buzzer
Safe Ship
〇
OFF OFF
Danger Ship 
CPA／TCPA
ON
・Lost Target ： mark on LCD
Visible / Audible Alarms