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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 which can be
on a collision course. 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. Select USER SETTINGS then press the ENT key.
3. Select CPA/TCPA ALARM then press the ENT key.
[CPA/TCPA ALARM]
CPA : 6.00 NM
TCPA : 60 min
ALARM MODE : ON
ALARM BUZZER: ON
QUIT[MENU]
4. CPA is selected; press the ENT key.
5. Enter CPA (setting range: 0-6.00 NM) then press the ENT key.
6. TCPA is selected; press the ENT key.
7. Enter TCPA (setting range: 0-60 min) then press the ENT key.
8. ALARM MODE is selected; press the ENT key.
9. Select ON to activate the CPA/TCPA alarm; OFF to deactivate it. Press the
ENT key.
10. ALARM BUZZER is selected; press the ENT key.
11. Select 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.