Chapter 7
28
tapping on the screen and releasing from the screen.
Tone
Drag the bar to adjust the frequency of the sound effect.
The minimize value is 200 and maximum value is 5000.
Duration
Drag the bar to adjust how long the “Beep” sound will be.
The minimize value is 10 and maximum value is 50.
The selected option will be in black.
6.2. Screen Calibration
1. Click the drop menu next to the Calibration button to select calibration
mode.
4 points, mode 1
– rectangular four-point calibration
4 points, mode 2
– rhombic four-point calibration
2. Click
Calibration
button to enter the calibration screen.
4 points, mode 1
a. The
mark shows on the Left-up corner.
b. Follow the instruction in green to touch the center of Cross Mark.
c. When the instruction turns into yellow, releasing the tapping from the
screen.
d. Follow the instruction in green to touch the center of Cross Mark.
e. Repeat Step 2 – Step4 to finish the calibration procedure.