Harman Kardon GPS-810NA Quick Start Manual page 23

After the battery has charged for at least 6 hours:
1. Use the included USB cable to
connect the GPS-810 to your
computer's USB hub (right).
2. Go to www.guideandplay.com.
3. Click on the Product Support
link.
4. Follow the instructions to
download the latest firmware
version into your GPS-810.
After the GPS-810's firmware has been updated:
1. Make sure the L switch is in the
OCK
2. Go outdoors to obtain GPS reception.
3. Hold down the ON/OFF button until the unit turns on.
1. Unlock 2. Go Outside
Switch to Receive
GPS Signal
(unlocked) position.
DOWN
3. Turn Power
ON
g u d i e
+ l p y a
GPS-810
™