DeLorme Earthmate PN-60 User Manual page 62

Apple® computer users When your device is connected to
your computer, manually eject the EM_USERMAPS drive after
use; if you do not, the drive is forcefully ejected and could harm
both the device and disrupt other USB drives connected
to the computer.
Visit the DeLorme Wiki at wiki.delorme.com for more
information. The latest version of the User Manual is always
available for download.
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