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1. OPERATION
1-11
1.6 Setting CPA/TCPA
Set the CPA (Closest Point of Approach) and TCPA (Time to Closest Point of
Approach) range for which you want to be alerted to AIS targets close to own
ship. When a ship’s CPA and TCPA are lower than that set here, the buzzer
sounds (if active) and the message COLLISION ALARM appears.
1. Press the MENU key to open the main menu.
2. Use ▲ or ▼ to choose USER SETTINGS and then press the ENT key.
3. Use ▲ or ▼ to choose CPA/TCPA ALARM and then press the ENT key.
[CPA/TCPA ALARM]
CPA : 6.00 nm
TCPA : 60 min
ALARM MODE : ON
ALARM BUZZER: ON
QUIT[MENU]
CPA/TCPA ALARM sub-menu
4. CPA is selected; press the ENT key.
5. Use the CursorPad to enter CPA (setting range: 0-6.00 nm) and then press
the ENT key.
6. TCPA is selected; press the ENT key.
7. Use the CursorPad to enter TCPA (setting range: 0-60 min) and then press
the ENT key.
8. ALARM MODE is selected; press the ENT key.
9. Choose ON to enable the CPA/TCPA alarm feature; OFF to disable it. Press
the ENT key.
10. ALARM BUZZER is selected; press the ENT key.
11. Choose ON to enable the CPA/TCPA audio alarm, or OFF to disable it.
Press the ENT key.
12. Press the DISP key to close the menu.