On-screen box operations recordable to the F4 key
DISPLAY MODE box
Select display mode.
ANTENNA box
Select antenna.
PRESENTATION MODE box
Select presentation mode.
PICTURE box
Adjust radar picture.
RANGE box
Select display range.
TRAIL MODE box
Select echo trail time.
ARP VECTOR box
Select ARP vector length.
TRUE/REL VECTOR box
Select vector reference.
ARP box
Turn ARP on/off.
AIS box
Turn AIS on/off.
CPA ALARM box
Enable/disable CPA alarm.
CPA LIMIT box
Set CPA limit.
TCPA LIMIT box
Set TCPA limit.
Operating the F4 key
1.Press the F4 key to show the F4 EXECUTION menu.
[F4 EXECUTION]
1BUOY
2DISTANT TARGET
2.Select the program to execute then push the left button.
3.Push the right button to close the menu.
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