Garmin 521 User Manual
GPSMAP 400/500 Series Owner’s Manual
5
Viewing Information
NOTE: Only the following units are NMEA 2000 compatible:
GPSMAP 451/451s
GPSMAP 526/526s
GPSMAP 551/551s
GPSMAP 556/556s
2. From the Home screen, select
Information
>
User Data
>
Data
Transfer
>
Network
.
3. Complete one of the following:
Select
Clone User Data
to transfer waypoints, routes,
and tracks to other chartplotters connected to the network.
Existing data is overwritten on those chartplotters.
Select
Select
Merge User Data
to transfer data between all the
chartplotters connected to the network. Unique data is
combined with existing data on every chartplotter.
To back up data to a computer:
1. Insert an SD card into the SD card slot on the front of the unit.
2. From the Home screen, select
2. From the Home screen, select
Information
>
User Data
>
Data
Transfer
>
Save To Card
.
3. Complete one of the following:
Select the file name from the list.
Select
Select
Add New File
to create a new file. Enter the file name
using the
Rocker, and press
Select
.
5. Remove the SD card from the unit, and insert it into an SD card
reader attached to a computer.
•
•
•
•
•
6. From Windows
®
Explorer, open the Garmin\UserData folder on
the SD card.
7. 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
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 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
for more
information.