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The military grid reference system (MGRS) uses two grid lettering
schemes, which are referred to as standard and standard + 10 MGRS
on this unit. Your position and datum in use determines which one to
use. If you use standard, and your position is off significantly, then try
the alternate.
NOTE: When the position format is changed, it affects the way all posi-
tions are shown on all screens. This includes waypoints.
To change the coordinate system, press
ENT
while
C
OORDINATE
S
YSTEM
is
highlighted. Press the ↑ or ↓ arrow keys to highlight the desired for-
mat. Press
ENT
to select it. Press
EXIT
to erase the menus.
To setup Loran TD:
NOTE:
If the Loran TD conversion is chosen, you must enter the local Lo-
ran chain identification for the master and slaves. Do this by se-
lecting "Setup Loran TD" at the bottom of the "Coordinate System"
menu and select the ID. Press
EXIT
to erase this menu.
Configure Loran TD menu.
Map Fix
Map Fix is used with charts or maps. This system asks for a reference
position in latitude/longitude, which you take from a marked location
on the map. It then shows the present position as distance on the map
from that reference point.
For example, if it shows a distance of UP 4.00" and LEFT 0.50", you
then measure up four inches and to the left a half-inch from the refer-
ence point on the map to find your location.