DeLorme Earthmate PN-40 User Manual page 74

Compass and Altimeter menu
options
Note: Auto calibration
compares the GPS elevation
to the device's barometric
altimeter elevation and
improves its accuracy over
time. When calibrating,
"Calibrating" displays in the
bottom right corner of the
Satellites Page and the GPS:
Altimeter info field displays a
red exclamation point.
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ENTER to select the check box. For more information about the Connect to Computer menu,
see Connecting to Your Computer on page 6.
• To connect the computer to your own device using a USB cable, highlight the USB Setting
drop-down list and press ENTER. Select one of the following options:
• Data Exchange—Select this option for GPS use and to transfer waypoints, geocaches,
tracks, and routes to or from the device. You can transfer map packages to the device, but
transfer will be slow.
• Transfer to SD Card—Select this option to transfer map packages to an SD card in the device.
Maps are transferred to the "maps" folder on the SD card. You cannot use this method
to transfer waypoints, tracks, and routes. You can also use this method to transfer a map from
the Earthmate PN-40 to your mapping software.
• Transfer to Internal—Select this option to transfer map packages to the device's internal
memory. The device is used as a USB storage drive. You cannot use this method to transfer
waypoints, tracks, and routes.
Note: Mac and Linux users should always select Transfer to SD Card or Transfer to Internal.
• Firmware Transfer—Select this option to transfer a firmware update to an SD card in your
device. The update is transferred to the "update" folder on the SD card. You cannot use this
method to transfer map packages, waypoints, tracks or routes.
After you select the option, follow any on-screen instructions on the Earthmate PN-40.
• To restore the default page settings, highlight Restore Defaults and press ENTER.
To Modify the Compass and Altimeter Settings
To modify the compass and altimeter settings, from the Device Setup Page, highlight the
Compass & Altimeter option and press ENTER. Press QUIT at any time to return to the Device
Setup Page. All of the options on this page are on by default.
• To disable the electronic compass, highlight Enable Electronic Compass and press ENTER to
clear the check box. To enable it (check box is cleared), press ENTER to select the check box.
• To disable the barometric altimeter, highlight Barometric Altimeter and press ENTER to clear
the check box. To enable it (check box is cleared), press ENTER to select the check box.
• To disable auto calibration of the barometric altimeter, highlight Auto Calibrate Altimeter and