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3. ARPA OPERATION
3-4
4. Use S or T to select [All Cancel] and press the ENTER key.
5. Use S to select [Yes] and press the ENTER key. All symbols
are erased from the screen and the long beep sounds.
6. Press the MENU key to close the menu.
3.6 Vector Attributes
3.6.1 What is a vector?
A vector is a line extending from a tracked target. A vector shows speed and course
of the target. The top of a vector shows estimated position of the target after the se-
lected vector time elapses. If you increase the vector length (time), you can evaluate
the risk of collision with any target.
When vector time is 15 minutes
3.6.2 Vector time and vector reference
1. Press the MENU key to open the menu.
2. Use S or T to select [Target] and press the ENTER key.
Target menu
Are your sure ?
Yes
No
Vector
Current position of the target
Vector time
Predicted position of the target in 15 minutes later
Custom 1
Custom 2
Target Trail
Custom 3
Alarm
Target
Tuning
ARPA
Others
AIS
GPS
Menu
Target
Vector Reference
History Dots
History Interval
Proximity
: True
: 5
: 1min
: Off
TCPA
: 1min
CPA
: Off
Vector Time : 6min
[ENTER]: Enter
[MENU]: Exit
[CANCEL/HL OFF]: Back
Adjusting a vector time to be displayed