Garmin 770 GPS Receiver User Manual


 
Charging the Device
NOTE: This Class III product shall be powered by an LPS power
supply.
You can charge the battery in the device using any of these
methods.
Connect the device to the vehicle power cable.
Connect the device to a computer using a USB cable.
The device may charge slowly when connected to a
computer. Some portable computers may not charge the
device.
Connect the device to an optional power adapter accessory,
such as a wall power adapter.
You can purchase an approved Garmin AC-DC adapter
suitable for home or office use from a Garmin dealer or
www.garmin.com.
Changing the Fuse in the Vehicle Power Cable
NOTICE
When replacing the fuse, do not lose any of the small pieces
and make sure they are put back in the proper position. The
vehicle power cable does not work unless it is assembled
correctly.
If your device does not charge in your vehicle, you may need to
replace the fuse located at the tip of the vehicle adapter.
1
Rotate the end piece
À
90 degrees counter clockwise to
unlock it.
TIP: You may need to use a coin to remove the end piece.
2
Remove the end piece, the silver tip
Á
, and the fuse
Â
.
3
Insert a new fast-blow fuse that has the same current, such
as 1 A or 2 A.
4
Place the silver tip in the end piece.
5
Push in the end piece and rotate it 90 degrees clockwise to
lock it back into the vehicle power cable
Ã
.
Mounting on Your Dashboard
NOTICE
The permanent mounting adhesive is extremely difficult to
remove after it is installed.
You can use an optional mounting disk to mount your device to
the dashboard and comply with certain state regulations. See
www.garmin.com for more information.
1
Clean and dry the dashboard where you are placing the disk.
2
Remove the backing from the adhesive on the bottom of the
disk.
3
Place the disk on the dashboard.
4
Remove the clear plastic cover from the top of the disk.
5
Place the suction cup mount on top of the disk.
6
Flip the lever down (toward the disk).
Removing the Device, Mount, and Suction
Cup
Removing the Device from the Mount
1
Press the release button on the bottom of the device.
2
Tilt the device forward.
Removing the Mount from the Suction Cup
1
Turn the device mount to the right or left.
2
Apply pressure until the socket on the mount releases the
ball on the suction cup.
Removing the Suction Cup from the Windshield
1
Flip the lever on the suction cup toward you.
2
Pull the tab on the suction cup toward you.
Purchasing Additional Maps
1
Go to your device product page at (www.garmin.com).
2
Click the Maps tab.
3
Follow the on-screen instructions.
Purchasing Accessories
Go to http://buy.garmin.com.
Troubleshooting
The suction cup will not stay on my
windshield
1
Clean the suction cup and windshield with rubbing alcohol.
2
Dry with a clean, dry cloth.
3
Mount the suction cup (Connecting the Device to Vehicle
Power, page 1).
My device is not acquiring satellite signals
Verify the GPS simulator is turned off (Navigation Settings,
page 17).
Take your device out of parking garages and away from tall
buildings and trees.
Remain stationary for several minutes.
The device does not charge in my vehicle
Check the fuse in the vehicle power cable (Changing the
Fuse in the Vehicle Power Cable, page 20).
Verify the vehicle is turned on and is supplying power to the
power outlet.
Verify the interior temperature of the vehicle is in the
following temperature range: from 0° to 45°C (from 32° to
113°F).
Verify the fuse is not broken in the vehicle power outlet.
My battery does not stay charged for very
long
Decrease the screen brightness (Display Settings, page 17).
Shorten the display timeout (Display Settings, page 17).
Decrease the volume (Adjusting the Volume, page 1).
Disable Bluetooth wireless technology (Disabling Bluetooth,
page 17).
Put the device in sleep mode when not in use (Entering and
Exiting Sleep Mode, page 1).
Keep your device away from extreme temperatures.
Do not leave your device in direct sunlight.
My device does not appear as a removable
drive on my computer
On most Windows computers, the device connects using Media
Transfer Protocol (MTP). In MTP mode, the device appears as a
portable device and not as a removable drive. MTP mode is
supported by Windows 7, Windows Vista
®
, and Windows XP
Service Pack 3 with Windows Media Player 10.
20 Troubleshooting