Things You'll Need
Instructions
Turn on your PSP and open the game tray. Insert the game disc for a GPS-compatible game or application, such as "Homestar Portable" or "MapThis" then close the tray.
Fit the GPS-290 receiver into the USB port along the top of the PSP console. Affix the receiver by hand-turning the large screws on either side of the retractable panel. Leave the screws loose as the receiver is not meant to be permanently mounted to the console.
Flip the retractable panel of the GPS-290 out so that when you're holding the PSP at a comfortable angle, the flat surface reading "GPS" is pointed directly upward.
Select "Game" from the main menu of your PSP's home screen. Scroll down to the menu entry for your GPS-290 compatible game or app and press "X" to launch the software.