NEC NP-V260 User Manual page 68

5. Using On-Screen Menu
[RESET]
The settings and adjustments for [PICTURE] will be returned to the factory settings with the exception of the following;
Preset numbers and [REFERENCE] within the [PRESET] screen.
The settings and adjustments under [DETAIL SETTINGS] within the [PRESET] screen that are not currently selected
will not be reset.
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