1. RADAR OPERATION
1-7
1.5 Operation by the On-Screen Boxes
All radar functions can be accessed by using the trackball alone. This is done by
choosing the appropriate on-screen box with the trackball and operating the
trackball module to select item and option. (See section 1.9 for location of all
on-screen boxes.) On-screen boxes come in two varieties: Function selection
and function selection w/pop-up menu. On-screen boxes of the latter type have
"â–º" at the right side of their boxes, as in the MARK box shown below.
To operate the radar using on-screen boxes, do the following:
1. Use the trackball to place the trackball marker inside the box desired.
Note: The trackball marker changes its configuration according to its location.
It is an arrow when placed outside the effective display and a cursor
(+) when inside the effective display. See the illustration on the next
page for further details.
For example, select the MARK box, which is at the bottom left corner.
MARK

Mark type last
selected, mark
number
-> +
162.5
°
T 11.7 NM
Bearing and range from
own ship to mark
1
MARK box
When a box is correctly selected, its color changes from green to orange and
the guidance box at the bottom right corner shows operational guidance. The
operational guidance shows the function of the left and right buttons, with a
diagonal line separating the information. For the MARK box, for example, the
operational guidance is "MARK SELECT / MARK MENU." In this case you
would push the left button to select a mark or push the right button to open
the MARK menu.
Guidance box
MARK
SELECT
MARK
MENU
/
Function of left button
Function of right button
Arrow
For choosing
on-screen box
MARK

MARK Box
> +
1
Guidance box (Example: guidance for MARK box)
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