NOTE: When the position format is changed, it affects the way all positions are shown on all screens. This includes waypoints.
To change the coordinate system, press ENT while COORDINATE SYSTEM is highlighted. Press the ↑ or ↓ keys to highlight the desired format. Press ENT. Press EXIT to close the menu.
To set up Loran TD:
NOTE:
If the Loran TD conversion is chosen, you must enter the local Loran chain identification for the master and slaves. Do this by selecting "Setup Loran TD" at the bottom of the "Coordinate System" menu and select the ID. Press EXIT to close 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
To configure a map fix:
To use this format, you need to follow these steps in order. First, take your map of the area and determine a reference latitude/longitude. (Please note that in order for this system to work, the latitude/longitude lines must be parallel with the edge of the map. USGS maps are parallel, others may not be. Also, this works better with smaller scale maps.) The reference position can be anywhere on
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