User's Manual Part 2

AT870N User Guide
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5.7 Screen Adjustment
Please readjust the coordinate correction value in case that user uses the device at the beginning or
for long period if the screen point cannot be selected by stylus pen.
[Start] -> [Settings] -> [System] -> [Screen] -> [Align Screen]
5.8 Volume Settings
User can set up the volume
Volume Setting Icon
 User can adjust the volume using left side button
(Hardware)