3.Complete one of the following:

•Select the file name from the list.

•Select Add New File to create a new file. Enter the file name using the Rocker, and press Select.

4.Remove the SD card from the unit, and insert it into an SD card reader attached to a computer.

5.From Windows® Explorer, open the Garmin\UserData folder on the SD card.

6.Copy the appropriate .ADM file on the card, and paste it to any location on the computer.

To restore backup data to your chartplotter:

1.Copy the appropriate .ADM file from the computer to an SD card in the Garmin\UserData folder.

2.Insert the SD card into your chartplotter.

3.From the Home screen on your chartplotter, select Information > User Data > Data Transfer > Replace From Card.

To delete all waypoints, routes, and tracks:

1.From the Home screen on your chartplotter, select Information > User Data > Clear User Data.

2.Select Waypoints, Routes, Saved Tracks, or All.

3.Select OK to delete the data.

Viewing Information

Viewing Other Vessels

To view information about other boats from the Home screen, select Information > Other Vessels.

Note: To view information about other boats, your unit must be connected to an external AIS (Automatic Identification System) or DSC (Digital Selective Calling) device. See page 61 for more information.

AIS List—seepage 46.

DSC List—view the 100 most-recent calls. The DSC List shows the most-recent call from a boat. If a second call is received from the same boat, it replaces the first call in the list.

Select Options to sort calls by name, type, MMSI, distance from your boat, or the time the call was received.

Select Options > Delete All to delete all the calls from the list.

To add a DSC contact:1.Select Add Contact.

2.Use the Rocker to enter the MMSI number of the vessel.

3.Use the Rocker to enter the name of the vessel.

Automatic Identification System

The Automatic Identification System (AIS) enables you to identify and track other vessels.

GPSMAP 400/500 Series Owner’s Manual

41