Fujitsu LIFEBOOK U9311X Operating Manual page 37

Charging the pen battery
The pen contains an integrated battery, which is automatically charged when the
pen is fully inserted into its slot. The pen is also charged when the notebook is in
power saving mode or is switched off. A charging time of approximately 15 seconds
is sufficient to enable to pen to be used for 90 minutes again.
Setting the pen
Operating system
Windows 10
Calibrating the pen
Via the operating system, you must calibrate your tablet PC before first use with the
pen, so that it recognises the pen as accurately as possible.
You should also always repeat the calibration if the co-ordination between the
pen and cursor movement deteriorates.
Operating system
Windows 10
Fujitsu
Menu
You can make various settings for the pen under System Control -
Hardware and Sound - Pen and Touch.
Menu
To calibrate, call up the Hardware and Sound / Tablet PC Settings function
in the Control Panel. You need to calibrate both portrait and landscape
formats.
Working with the notebook
► Insert the pen fully in the slot.
After a charging period of approximately 5
minutes, the pen battery is fully charged.
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