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7
Getting started
Backup battery charging
If the deskset loses power but you have installed the backup battery, the
screen indicates the battery status (see table below) and displays
Check AC power. Refer to the Deskset installation on page 5 for
reconnecting the deskset with the power adapter. If it is in low battery mode,
the screen displays Low battery. The backup battery is fully charged after 16
hours of continuous charging. See the table on page 83 for battery
operating times.
screen indicates the battery status (see table below) and displays
Check AC power. Refer to the Deskset installation on page 5 for
reconnecting the deskset with the power adapter. If it is in low battery mode,
the screen displays Low battery. The backup battery is fully charged after 16
hours of continuous charging. See the table on page 83 for battery
operating times.
The following table summarizes the battery charge indicators and actions
to take.
to take.
Battery indicators
Battery status
Action
The screen shows
Low battery and
flashes.
Low battery and
flashes.
Battery has enough
charge to be used for a
short time.
charge to be used for a
short time.
Charge without
interruption at least one
hour.
interruption at least one
hour.
The screen
shows
shows
.
Battery is fully charged.
To keep the battery
charged, keep the
adapter plugged into
the jack at the bottom
of the deskset.
charged, keep the
adapter plugged into
the jack at the bottom
of the deskset.