Grid Size Comparisons - DeLorme Topo USA 8.0 User Manual

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To Create a Map Package
Use the following steps to create a custom map to send to an Earthmate PN-Series
GPS or PDA.
1. Set your handheld export preferences using the Handheld tab in the Options
dialog box. Be sure to specify if you are exporting maps to a DeLorme
Earthmate or Palm OS/Pocket PC device.
2. Click the Handheld Export tab.
3. To manually select the export area, choose an appropriate grid size from the
Grid Size drop-down list (for more information, see Grid Size Comparisons),
click the Select/Edit button
or remove them. Grids selected for export are shaded red. You can click and
drag to quickly select multiple grids.
OR
Select the grid size from the Grid Size drop-down list (see Grid Size
Comparisons for more information), type a location in the Search for and
select a location box, click a result in the results list, and then click the
Preview button
grids. Click the Select All
or click the Select/Edit
selected for export are shaded red.
Note Click the Clear All button
from the map.
4. Type a name for your map package in the Save your map for Exchange
box.
5. Click Save
6. Send the map package to your Earthmate PN-Series device (other than PN-
20), Earthmate PN-20, Palm OS or Pocket PC PDA.
Notes
To view a previously exported map, select it from the Saved Map Packages
list and then click View
To delete a previously exported map, select it from the Saved Map
Packages list and then click Delete
You may experience a performance issue if you try to export a map that
covers a very large area. To improve performance, decrease the size of the
map. If the map does not cover the area you need, export several smaller
maps until they cover the entire area you need.

Grid Size Comparisons

When you use the Handheld Export tab to export maps, you can choose a grid size.
A grid of the same size gets progressively larger in coverage (square area) the closer
it is to the equator. This is because the grid system is based on the
latitude/longitude coordinate system.
60 seconds = 1 minute
, and click grids on the map to add
. The default export area is defined with shaded
button to select the default export area
button to add or remove grids. Grids
.
Using Handheld Devices
to clear the highlighted grids
197

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