Arbor Technology M1858, User Manual

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Use the Computer
3. The whole screen will turn to white and a red point rounded by a red
circle with arrows shows up. Meanwhile, countdown in the grey circle also
starts from 15th second. Please touch red point and hold until the grey
circle shows 'OK'. Repeat same steps for each corner of the screen. If
there is no action taken within 15 seconds, the calibration task will abort
automatically. Please keep in mind that the utility may always repeat the
countdown from the beginning if users make an ineffective touch-and-hold
action.
Press and Hold
Press the Red Point to Perform Calibration
The Calibration of Individual Point Finished