ViewSonic N2230w-2M Service Manual page 5

5.2. Handling and Placing Methods
Correct Methods:
Only touch the metal frame of the LCD panel or the
front cover of the monitor. Do not touch the surface
of the polarizer.
Take out the monitor with cushions
Place the monitor on a clean and soft foam pad.
ViewSonic Corporation
Incorrect Methods:
Surface of the LCD panel is pressed by fingers and
that may cause "Mura"
Taking out the monitor by grasping the LCD panel.
That may cause "Mura"
Placing the monitor on foreign objects. That could
scratch the surface of the panel or cause "Mura"
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N2230w-2M