This section describes how to use the various hardware features of the unit.
Replacing the batteries
When the batteries are low, your unit displays warning messages prompting you to
replace the batteries as soon as possible. You can also check the battery power by
double-tapping the power status icon
if it appears on the task bar.
Be sure to back up data of the unit to, for example, your desktop PC, before
replacing the main batteries or the backup battery.
For HC-4000/HC-4100 users:
Replacing the main batteries
Turn off the unit.