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Troubleshooting – Garmin GPSMAP 78sc User Manual

Page 43

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GPSMAP 78 Series Owner’s Manual

39

Appendix

Troubleshooting

Problem

Solution

The screen or buttons do

not respond. How do I

reset the device?

1. Remove the batteries.

2. Reinstall the batteries.

nOTE: This does not erase any of your data or settings.

I want to reset all the

customized settings

back to the factory

defaults.

From the main menu, select

Setup > Reset > Restore Defaults.

My device does not

acquire satellite signals.

1. Take your device out of parking garages and away from tall

buildings and trees.

2. Turn on the device.

3. Remain stationary for several minutes.

The batteries do not last

long.

Decrease the backlight settings (

page 33

).

How do I know my

device is in USB mass

storage mode?

On the device, a screen appears showing the Garmin logo and

the USB symbol. On your computer, you should see a new

removable disk drive in My Computer on Windows computers

and a mounted volume on Mac computers.

My device is connected

to the computer, but it

will not go into mass

storage mode.

You may have loaded a corrupted file.

1. Disconnect the device from your computer.

2. Turn off the device.

3. Press and hold the

Rocker while you connect the device to

your computer.

Continue pressing the

Rocker for 10 seconds or until the

device goes into mass storage mode.