Using the Operation Panel

You can use the display and keys of the operation panel to configure machine settings or operate functions. This section describes basic usage of the display and keys.
 
Regarding the handling of the touch panel display
Do not press the touch panel display too hard. Doing so may break the touch panel display.
Do not use an object with a sharp end, such as a mechanical pencil or ballpoint pen. Doing so may scratch the surface of the touch panel display or break it.
Placing objects on the display or wiping the display may cause the touch panel to react and lead to a malfunction.
If you want to invert the light and dark parts of the display: <Invert Screen Colors>
If you want to adjust the brightness of the display: <Brightness>
If you want to adjust the contrast of the display: <Contrast>
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