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1. OPERATIONAL OVERVIEW
1-25
Activating automatic off center
Press the OFF CENTER key to display OFF CENTER (A) at the top of the screen. Own ship posi-
tion is placed at stern position. To cancel automatic shift press the key again.
1.20.2 Manual off center
The own ship position may be shifted to the cursor position on any mode, within 75% of the effec-
tive display area.
1. Place the cursor where you want locate to locate sweep origin.
2. Press the OFF CENTER key to show OFF CENTER (M) at the top of the screen.
3. To cancel shift, press the OFF CENTER key again.
1.21 Zoom
The zoom function enlarges an area of interest as large as twice the normal viewing size, in the
zoom window. You choose the target of interest to zoom with the zoom cursor and that target is
zoomed in the zoom window.
Three types of zoom are available: Relative, True and Target.
Relative: The zoom cursor moves relative to own ship.
True: The zoom cursor is fixed at set geographical position.
Target: The zoom cursor is fixed to the zoomed AIS or ARP target.
1.21.1 How to zoom
1. Press the ZOOM key to turn on the zoom feature.
ZOOM appears at the top right hand corner of the screen and the zoom window and zoom
cursor in the effective display area. The zoom cursor is a dashed line square in case of true or
relative zoom mode or a solid line square in case of target zoom mode. The location of the
zoom window depends on the location of the zoom cursor. If the zoom cursor is on the left-half
of the screen, the zoom window is located at the right side of the screen and vice versa.
Zoom
+ 180.1°R 2.121 NM
+
3
NM
0.5
+
Z
oom cursor
(
Dashed line
i
n relative or
t
rue mode)
Zoom
window
ZOOM
Zoom ON
(Dashed line
in case of True
or Relative mod
e)