Sony Vaio Duo 11 SVD1121 User Manual page 301

You can also do the same operation by holding the pen at the desired point for a few
seconds.
To drag
Gently place the pen on the item to be moved, then trace on the screen to move it.
To erase text
Depending on the app, you can erase text.
Press and hold down the upper button of the pen, gently place the pen on the first text item
to be erased, then trace the pen over the text to the last text item to be erased.
Note
Use the supplied pen or an optionally specified pen.
This pen does not have a power supply switch. Insert the necessary battery in the pen to
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