This command identifies and modifies pixels which might cause problems when displayed on PAL or NTSC TV screens.
This filter is found in the main menu under → .
                 
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              注意 | 
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                 This command only works on images in RGB mode, and only if the active layer does not have an alpha channel. Otherwise the command is disabled.  | 
            
You have to select the TV mode: PAL or NTSC.
Here you can select the method used to remove hot pixels.
This changes hot pixels to black.
When this option is checked, work is performed on a new layer instead of the active layer.