Memorex RX 1 Smart Installationshandbuch PDF herunterladen (Seite 58)

56 | Keypad & Display Description

Show Lat/Lon Grid • - No is the default condition, which causes the coordinate grid not

to be displayed. Yes causes the Lat/Lon grid to be displayed (regardless of positioning

reference system selection in CFG1 Position). Note that the grid is only displayed at

the 4 Nm scale or lower.

Automatic Zoom • - No is the default condition, which causes the displayed scale to be

controlled by you. Yes causes the boat icon to be placed along one edge of the screen

and the next waypoint flag to be placed along the opposite edge of the screen. As you

approach your waypoint, the screen will automatically zoom in on your course, then

expand back out after you pass the waypoint and start the next leg of your course.

If you highlight the Return softkey and press ENT, then highlight the Track Plotter

softkey and press ENT, you will access the recorded track options.

Selecting Erase Track then pressing the ENT key allows you to clear your recorded

track. You can keep a portion, say the last mile or two, of your recorded track if you

like, by specifying the range after you highlight the Erase Track softkey and press ENT.

Highlight Erase Now and press ENT to confirm your action. Highlight Escape and press

ENT to return the previous screen without erasing or EDIT to abort this process.

Selecting Record Track then pressing ENT allows you to define how your course is saved.

Choosing not to save your track may free the processor up to run other functions a little

bit faster; however, you are not likely to notice any difference in performance unless all

data ports are near their full throughput capacity. You also have three different levels of

track saving capability: Normal, Fine, and Detailed. The software saves each calculated

position coordinate to draw the lines for the plot screen. There are a finite number of plot

points which can saved in memory, before the CDU begins overwriting the first set of plot

points. If you are traveling a long distance at a high rate of speed (say over 10 knots) you

probably will want to use the Normal selection, which only stores a plot point when your

direction changes. If you are doing some tight maneuvering or station keeping tasks, you

will probably want to use the Detailed selection, which stores a position every 0.5 meters.

The Fine selection stores a plot point every 7 meters.

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Memorex RX 1 Smart Installationshandbuch Seite 58