It is a good idea to backup user data periodically in case anything happens to the device.

To backup user data for a GPSMAP 292/298, 392/398, or 492/498, a few items will be needed:

To backup the user data from the device to the card, please follow these instructions:

Insert the Garmin Data Card into the device
Power ON the device
Press and hold the ADJ MENU button until the Main Menu appears
Highlight the Card tab on the left side of the screen
Press the Right arrow button one time
Press the Down arrow button four times to highlight the button called Save To Card
Press the Enter button
The information is now being backed up to the data card
Remove the data card from the device
Insert the data card into the data card programmer that is attached to the PC
Open the HomePort software
The USB Data Card Programmer should appear on the left hand side of the HomePort software
1. If the USB Data Card Programmer does not appear in HomePort, the drivers for the programmer may need to be updated. For instructions on updating the drivers, please see Related Content.
Right-click on the folder called All Data that appears below the programmer
Choose Send To
Choose My Collection

At this point, the data will be saved onto the computer and the data card can be disconnected.