Panasonic WV-SW175 Operating Instructions Manual page 112

11 Configure the settings relating to images and audio [Image/Audio]
2.
Click the [Start] button of "Mask area".
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Borders will appear and the image displayed on the [Image/Position] tab will be divided into 48 (6x8).
3.
Click the divided areas to be masked.
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The clicked areas will be masked and will become white. To cancel masking, click the area again.
4.
Click the [End] button after completing masking areas.
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The borders on the image displayed on the [Image/Position] tab will disappear.
112 Operating Instructions