Charging Your Gpsmap 640; Changing The Fuse On The Automotive Mount; Additional Maps; About Gps Satellite Signals - Garmin GPSMAP 640 Owner's Manual

Charging Your GPSMAP 640

• Before using the GPSMAP 640 for the first time, charge the
battery for at least six hours.
• Place the GPSMAP 640 in the mounting bracket with the
bracket connected to power. The vehicle or vessel key may need
to be turned to ON/ACC for the GPSMAP 640 to charge.
• Alternatively, connect the included AC adapter to the
GPSMAP 640 and a wall outlet.
Changing the Fuse on the Automotive
Mount
NotiCe: When replacing the fuse, do not lose any of the small
pieces, and ensure that they are put back in the proper place.
If your unit will not charge in your vehicle, you might need to
replace the fuse located at the tip of the vehicle adapter.
1. Unscrew the black, round end piece, and
remove it.
2. Remove the fuse (glass and silver cylinder),
and replace it with a 1.5 A fast-blow fuse.
3. Ensure that the silver tip is placed in the black
end piece. Screw on the black end piece.
GPSMAP 640 Owner's Manual

Additional Maps

You can purchase additional MapSource map data from Garmin
and load the maps in your GPSMAP 640 internal memory or on an
optional memory card.
To determine the versions of the maps that are loaded on your
GPSMAP 640, open the Menu page. Touch
Map > Map info. Check
to see if an update for your map software is available. To enable
additional maps, you need your unit ID (see
number (located near the power connector).
To load maps or waypoints in your GPSMAP 640 memory or on
your memory card, select the name for your GPSMAP 640 drive
or memory card drive. Refer to the MapSource Help file for more
information.

About GPS Satellite Signals

End End
Your GPSMAP 640 must acquire GPS (Global Positioning System)
pece pece
satellite signals in order to navigate. If you are indoors, near tall
Slver tp Slver tp
buildings or trees, or in a parking garage, your GPSMAP 640
Fuse Fuse
may not acquire satellites. Go outside to an area free from tall
obstructions to use your GPSMAP 640.
tools > Settings
www.garmin.com/unlock/update.jsp
page 66) and serial
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