GT-221 Pro Graphics Display
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1.5 Pen Nib Replacement
1. The nib will wear off after using for a long time, thus may affect your normal use,
then you need to replace a new nib in time.
2. Take out the new nib and clip from pen box.
3. Pull out the old nib with the nib clip.
4. Insert the new nib straight into the pen and push the nib slowly and firmly until
it stops.
1.6 Charging the Pen
1. When the indicator on the pen shows orange, it means the voltage of the pen is
low, then you need to charge the pen.
2. Charge the pen with the attached charging cable. Insert one end of the
charging cable into the rear of the stylus charging port, the other end can be
connected to a computer, power supply or power bank.
