4. Control Units
4-6
4.5.5 The scrollwheel
Items directly controlled by the scrollwheel
Selections can be made on the screen by pointing on the screen with the cursor then scrolling various options with
the scrollwheel. When you put the cursor on a text or a numeric it turns green, purple or blue (depending on Palette
in use) to indicate that the scrollwheel can be used to scroll options available or change the value of a numeric.
Selection is confirmed by pushing the scrollwheel.
The following functions can be done directly on the screen. See the figure below for location.
1. Chart orientation
2. Operating mode
3. Chart scale
4. Datum for output coordinates
5. Route operations
6. User Chart and Notes operations
7. From top: TT/AIS On/Off, Vector length, Past position setting, CPA time setting, CPA auto activate setting,
Lost target alarm setting, Workstation mode (in case of multiple workstations).
1 2 3
4
5
6
7
(WT)
The procedure below shows you how to change the presentation mode from NorthUp TM to CourseUp RM.
1. Put the cursor on the text at the location shown by "1". in the figure above, and the color of the text changes
from current color to gray.
2. Use the scrollwheel to scroll options until Course Up RM appears. As you scroll, the color of the text changes
to purple or blue depending on the Palette in use.
3. Push the scrollwheel to confirm your selection. The text is displayed in its usual color.
4. When you move the cursor away from the text it is displayed in its usual color.
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