BenQ CP6501K User Manual page 27

Pull out the pen tail
Shake the pen tail from side to side in the direction indicated by the arrow at the same
time, then slowly pull out the pen tail.
Battery installation
The active pen is powered by a chargeable lithium battery. Insert the battery correctly
according to the direction shown below.
Please use the original lithium battery of this product. Otherwise it may lead to product
malfunction or safety issues.
USB cable
2
Indicator light
3
Wireless charging port
4
Battery
Parts of the display and their functions
Spring
27