Operation Manual

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5-2
５
 Set the optimum values of collision decision conditions, depENTing on the vessel
type, water area, weather and oceanographic conditions. (For the relations
between those conditions and alarms, refer to section 5.7 “ALARM DISPLAY.”)
5.1 INITIAL SETTING
The initial settings for using the ARPA functions are described in this section.
Setting Collision Decision Criteria: SAFE LIMIT･････････････
See sections 3.4 “Basic Operations” and 4 “Measurement of Range and Bearing” for descriptions of
operation.
Before starting, check the collision decision criteria settings.
1 Press MENU or OPTION2 key on the
screen.
The Main Menu will appear.
2 Click SUB1 MENU , then ARPA/AIS.
The ARPA Menu will appear.
3 Set CPA LIMIT (Closest Point of
Approach).
(1) Left-click the“CPA LIMIT”edit box.
The numeric input dialogue box will be
opened.
(2) Set the number by pressing the“+”or“−”keys in dialogue box.
(3) Press ENT to set up the value entry.
The input number will be fixed.
Attention
Procedures
SUB1 MENU
1.CPA LIMIT
2.TCPA LIMIT
０．
EXIT
0.0-9.9nm
ARPA/AIS
1.5
3.CPA RING
TRIAL
4.
5.GATE
2.HIGH
OFF
ON
1-99min
10
AIS SETTING
6.