If a hand strap is attached, remove the hand strap.
Press the battery latches in and lift up to remove the battery from the device. A 30 second countdown timer displays. The backup super capacitor takes over immediately and the device remains powered with the display dimmed.
If the battery is not replaced after 30 seconds (max.), the device display turns off and the device enters into memory persistence state for an additional 60 seconds (max.).
Insert the replacement battery, bottom first, into the battery compartment in the back of the device.
Press the battery down until the battery release latches snap into place. If the device display turn off, it should automatically turn on.
If the device does not automatically turn on, press and hold the power button for 6 seconds and the device reboots.