IAI America SEP-PT - Manual (Page 100)

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[Display Setting]
When the contrast in the window is to be adjusted, touch Contrast.
When the brightness in the window is to be adjusted, touch Brightness.
The adjustment window corresponding to the touched button item is displayed.
Touching ESC returns to the Machine Setup window for the main machine is returned.
x Contrast Adjustment
Adjust the contrast in the window by means of touching
 or .
x Brightness Adjustment
Adjust the contrast in the window by means of touching
 or .
Touching ESC returns to the Display Setting window.