Frequency modulation hole
Right key
Needle
Left key
1)before Frequency modulation , make sure the battery is full, and install the battery in the
direction as the below picture.
2)to pressing the FM Hole , it can change the frequency of pen. if the changed frequency is the same
as the screen , the pen can work normally.you could press the hole one time, then try to touch the
screen.if it fail ,you could press the hole again until the pen work on the screen normally.
5.Instructions for the use of a stylus
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