Garmin GPS 12H, Owner'S Manual

3

Plug the large end of the USB cable into a computer USB 

port.
On Windows computers, the device appears as a removable 

drive or a portable device, and the memory card may appear 

as a second removable drive. On Mac computers, the device 

and memory card appear as mounted volumes.

Transferring Files to Your Device

1

Connect the device to your computer.
On Windows computers, the device appears as a removable 

drive or a portable device, and the memory card may appear 

as a second removable drive. On Mac computers, the device 

and memory card appear as mounted volumes.

NOTE: 

Some computers with multiple network drives may not 

display device drives properly. See your operating system 

documentation to learn how to map the drive.

2

On your computer, open the file browser.

3

Select a file.

4

Select 

Edit

 > 

Copy

.

5

Open the portable device, drive, or volume for the device or 

memory card.

6

Browse to a folder.

7

Select 

Edit

 > 

Paste

.

The file appears in the list of files in the device memory or on 

the memory card.

Deleting Files

NOTICE

If you do not know the purpose of a file, do not delete it. Your 

device memory contains important system files that should not 

be deleted.

1

Open the 

Garmin

 drive or volume.

2

If necessary, open a folder or volume.

3

Select a file.

4

Press the 

Delete

 key on your keyboard.

Disconnecting the USB Cable

If your device is connected to your computer as a removable 

drive or volume, you must safely disconnect your device from 

your computer to avoid data loss. If your device is connected to 

your Windows computer as a portable device, it is not necessary 

to safely disconnect.

1

Complete an action:
• For Windows computers, select the 

Safely Remove 

Hardware

 icon in the system tray, and select your device.

• For Mac computers, drag the volume icon to the trash.

2

Disconnect the cable from your computer.

Attaching the Wrist Strap

1

Insert the loop of the wrist strap through the slot in the 

device.

2

Thread the other end of the strap through the loop, and pull it 

tight.

Device Care

NOTICE

Avoid chemical cleaners, solvents, and insect repellents that can 

damage plastic components and finishes.
Do not store the device where prolonged exposure to extreme 

temperatures can occur, because it can cause permanent 

damage.
The device is water resistant to IEC Standard 60529 IPX7. It can 

withstand accidental immersion in 1 meter of water for 30 

minutes. Prolonged submersion can cause damage to the 

device. After submersion, be certain to wipe dry and air dry the 

device before using or charging.

Cleaning the Device

NOTICE

Even small amounts of sweat or moisture can cause corrosion 

of the electrical contacts when connected to a charger. 

Corrosion can prevent charging and data transfer.

1

Wipe the device using a cloth dampened with a mild 

detergent solution.

2

Wipe it dry.

After cleaning, allow the device to dry completely.

Troubleshooting

Resetting the Device

If the device stops responding, you may need to reset it. This 

does not erase any of your data or settings.

1

Remove the batteries.

2

Reinstall the batteries.

Restoring All Default Settings

You can reset all settings back to the factory default settings.

Select 

Setup

 > 

Reset

 > 

Reset All Settings

 > 

Yes

.

Appendix

5