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3. ARP OPERATION
3-26
[ARP•AIS]
1 BACK
2 GUARD ZONE STAB
STAB HDG/STAB NORTH
3 GUARD POLYGON
OFF/STAB GND/
STAB HDG/STAB NORTH
4 [TRIAL MANEUVER]
5 [ARP SYMBOL]
6 [AIS SYMBOL]
7 [FUSION]
8 AIS FUNCTION
OFF/ON
9 AIS LOST ALARM
ACTIVATED TARGET/
ALLTARGET/
RANGE
0nm
3.13.4 Guard zone reference
The guard zone may be referenced to heading or North as follows:
1. Roll the trackball to choose the MENU box at the right side of the screen and
then push the left button.
2. Roll the wheel to choose 4 ARP•AIS and then push the wheel or the left
button.
ARP•AIS menu
3. Roll the wheel to choose 2 GUARD ZONE STAB and then push the wheel or
the left button.
4. Roll the wheel to choose STAB HDG or STAB NORTH as appropriate and
then the push the wheel or the left button.
5. Push the right button twice to close menu.
3.13.5 Guard zone shape and stabilization
The shape of the No. 2 guard zone may be a sector or a polygon having up to
10 points. (The shape of the No.1 guard zone is always a sector.)
1. Roll the trackball to choose the MENU box at the right side of the screen and
then push the left button.
2. Roll the wheel to choose 4 ARP•AIS and then push the wheel or the left
button.
3. Roll the wheel to choose 3 GUARD POLYGON and then push the wheel or
the left button.