Operator's Manual

4-4
 : indicates that the device is powered by a
battery.
 : indicates that the device is powered by a battery
and the battery power is low.
 : indicates that the battery is almost depleted and
needs to be charged immediately. Otherwise, the device
will automatically shut down soon.
 : indicates that no battery is installed or battery
charging fault.
 Power supply
: indicates that a DC power supply is connected. Not displayed
when not connected.
 USB device
: indicates that a USB device, such as USB printer, keyboard,
etc, is connected. Not displayed when not connected.
: indicates that a USB flash disk is connected. Not displayed
when not connected.
7 System time area
Displays the system date and time. The time format can be set to
12h or 24h.