Eagle Electronics 640C, 640cDF manual To configure a map fix

To configure a map fix:

To use this format, you need to follow these steps in order. Take a map of the area and determine a reference latitude/longitude.

NOTE:

In order for this system to work, the latitude/longitude lines must be parallel with the edge of the map. USGS maps are parallel, oth- ers may not be. Also, this works better with smaller scale maps, such as 1:24000.

The reference position can be anywhere on the map, but the closer it is to your location, the smaller the numbers you will be working with.

Once you have decided on a reference position, you can save it as a way- point. See the waypoint section for information on saving a waypoint. Save the reference position as a waypoint. Exit the waypoint screens.

1.Press MENUMENU↓ to GPS SETUPENT.

2.Press ↓ to COORDINATE SYSTEMENT.

3.Press ↓ to SETUP MAP FIXENT.

The screen below appears, and MAP SCALE is highlighted. Press ENT and enter the map's scale. This is generally at the bottom of the paper map. It's shown as a ratio, like 1:24000. Press EXIT and the unit returns to the Configure Map Fix screen.

Configure a map fix so the unit can find your position on a printed chart or topographical map.

Press → to SELECT ORIGINENT to bring up the waypoint and POI list. Select the waypoint (or a landmark of POI) you saved the reference point under and press ENTENT. Spell out the name of the waypoint, landmark or POI in the Find By Name box or press ENT to select the item from the list below. Highlight the waypoint, landmark or POI and press ENT. The unit displays a waypoint information screen with the

136