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3. RADAR OPERATION
3-35
3.25.1 Activating/deactivating ARP, TTM
1. Press the [MENU] key followed by the ARP SETUP soft key to show the ARP
SETUP menu.
ARP TARGET INFO
INTERNAL ARP
CANCEL ALL TARGETS
NO
ARP VECTOR MODE
TRUE
ARP VECTOR TIME
30 minutes
HISTORY INTERVAL
OFF
CPA
OFF
TCPA
30 seconds
AUTO ACQUISITION AREA
OFF
TARGET ID NUMBER
OFF
ARP
SETUP
EDIT
RETURN
ARP setup menu
2. Select ARP TARGET INFO, then press the EDIT soft key to show the ARP
target info window.
ARP TARGET INFO
▲
▼
INTERNAL ARP
EXTERNAL ARP
OFF
ARP target info window
3. Select INTERNAL ARP, EXTERNAL ARP or OFF as appropriate.
INTERNAL ARP: The radar source must be an ARP-equipped Model
1800/1900 series NavNet radar. Select this item also for a NavNet unit being
fed ARP targets.
EXTERNAL ARP: Receive TTM data sentence via NMEA or NETWORK port.
Target tracks are shown but targets cannot be acquired.
OFF: Turns off the ARP or TTM display.
4. Press the ENTER soft key.
5. Press the [MENU] key to close the menu.