User's Manual

AIS Class B Transceiver
52
Each circle displays range information on the left radial intersect point.
The range on your AI50 can be adjusted by using the
+
keys.
Pressing the
increases the range across the display (zoom out) and
+
decreases the range across the display (zoom in).
If you wish to zoom in/out on vessels in a particular area, using the
▲▼◄► keys, place the cursor on the selected area, press and hold
either the
+
or key, the display will zoom in/out at that point.
If your own vessel is still in view it will be shown as a small circle.
You can set your screen to display any of the 12 ranges, they are:
Total Range (Across display)
No. Range (Showing own
(between rings) Full display vessel info bar)
1 0.01nm 0.08nm 0.06nm
2 0.02nm 0.16nm 0.12nm
3 0.05nm 0.4nm 0.3nm
4 0.1nm 0.8nm 0.6nm
5 0.2nm 1.6nm 1.2nm
6 0.5nm 4.0nm 3.0nm
7 1.0nm 8.0nm 6.0nm
8 2.0nm 16.0nm 12.0nm
9 4.0nm 32.0nm 24.0nm
10 8.0nm 64.0nm 48.0nm
11 16.0nm 128.0nm 96.0nm
12 32.0nm 256.0nm 192.0nm
6.4 Point Of View
The AI50 can display information in one of three ways; “NORTH UP”,
“HEAD UP” and “COG UP”. The symbol in the top left corner of the
display informs you of your current view.
Note HDG UP will only be available if a compass source is present.
Pressing the DISPLAY/VIEW key, will cycle through the available
options; “NORTH UP”, “HEAD UP” and “COG UP”.