| 摘要 |
When a user uses a display device for the first time in a factory mode, whether or not there are defective pixels is examined, and a guide message for setting initial settings is provided, so the user can use the display device in an optimal environment. As a result, if the display device has defective pixels, the user can be provided with after-sales service at an appropriate time, and use the display device at its full potential in an environment most suitable for the display device is set.
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