
Keypad & Display Description | 65
User GRID
User defined grids is an optional feature of the MX51x. When enabled you can set the
receiver to provide Easting and Northing position data based on a local grid. The grid
function is set up in the CFG1 Position screen. A special license is required to activate
this special feature.
POS2 - Position, Altitude, Magnetic Variation, & Time
This screen is divided into three windows. The upper left window provides your position
coordinates, the antenna altitude (above Mean Sea Level - MSL), altitude mode (2D or
3D), the magnetic variation (Variation) for your present position, and the present datum
in use for calculating your position.
The lower left window displays your course and speed over ground. If the degree symbol
has a small ‘c’ under it, this indicates that the magnetic variation and compass deviation
table are being calculated and displayed. Refer to the CFG1 Compass section for more
details on how to set this up.
The right hand window indicates today’s date and time. This setup is in the CFG1 Time
menu. It can be set for UTC time, local 12 hour time, or local 24 hour time. There is an
added summer/winter feature to help you remember which direction to set the clock for
day light savings in the summer.
There are no editing capabilities in this screen.
POS3 - Position & Log
This screen is divided into three windows. The upper left window is the same as POS2 and
provides: your position coordinates, the antenna altitude (above Mean Sea Level - MSL),
altitude mode (2D or 3D), the magnetic variation (Variation) for your present position, and
the present datum in use for calculating your position.
The lower left window is also the same as POS2 and displays your course and speed
over ground. If the degree symbol has a small c under it, this indicates that the magnetic
variation and compass deviation table are being calculated and displayed. Refer to the CFG
Compass section for more details on how to set this up.
The right hand window indicates your accumulated mileage since the CDU was first turned
on.
You will also find two Trip Reset softkeys if you press the EDIT key. Two trip logs are
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