Lenovo ThinkPad X1 User Manual page 43

Installing a battery to power the pen
Depending on the model, your pen might not be installed with a battery. To install an AAAA alkaline battery,
do the following:
1. Unscrew the end cap.
2. Insert an AAAA alkaline battery into the battery compartment.
3. Reinstall the end cap.
4. Tighten the end cap.
Using the USB 3.0 pen holder to store the pen
Your tablet might come with a USB 3.0 pen holder. Use this pen holder to store the pen on your tablet
by doing the following:
1. Insert the pen holder into the USB 3.0 connector on your tablet.
2. Insert the pen into the pen holder horizontally or vertically.
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Chapter 4 Accessories