Genee World G-Touch T15 Classic User Manual page 47

The following symptoms are not faults:
A very few of constantly bright or dark pixels, such as tiny red, blue, green
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or dark points, may exist on the LED. This symptom is not a fault and does
not affect running functions of the panel.
Slight sound may occur due to the backlight adjustment or ventilation. This
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is a normal symptom.
The image and sound are normal. However, you can sense static electricity
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when you touch the LED and metal back cover. This is a normal symptom.
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