The Softkeys; The Function Keys; Mark Position - Leica MX420 Operator's Manual

Keypad & Display Description Operator's Manual
With the exception ofa portion of the PLOT and MOB screens which
use two softkeys to change the view scale, all of the screens require
that you press the E(Edit Mode) function key before you are allowed
to change data on the screen. You can use the cursor key (the big key
with the arrows pointing in four directions) to move between edit fields
or menu choices on most screens when in the edit mode. When you
are not in the edit mode, you can use the cursor to scroll between
screens (i.e. NAV I, NAV2, NAV3, ...) or to move up and down on screens
(like the menu bar in the CFG screen).
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The Softkeys:
The five softkeys under the display are so named because their pur-
pose changes from one menu or screen to the next. With the exception
of a portion of the PLOT screens and the MOB screens, all of the
screens require that you press the E(Edit Mode) function key before
the softkeys can be accessed. Don't forget to press the Efunction key
when you have finished editing a screen.
The Function Keys:
The Function Keys are the keys to the right ofthe display. There are 18
function keys in all. Eleven ofthe function keys access various screen
and editing displays. Three of these keys are used for editing or mov-
ing within the screens. One key is used to mark vour present position,
.
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another is used strictly for Man Over Board alarms. One switches
between two display lighting options, and finally there is the power
on/off key.
The ten function keys with alpha abbreviations on them are described
in the ensuing chapters. The eight function keys with symbols are
described below.
The function keys are also used in the edit mode to enter alphanumeric
information into screen data fields.
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Mark Position
This function key stores your present position, date and time at the
next available waypoint location in the Waypoint Bank. A window
pops up on the screen to confirm your key depression, and to tell you
where the mark position is being stored. You can go into the WPT
menu and edit the coordinates or description later. The CDU is also
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