S button:
• Automatically adjust the image to its optimized position, clock, and phase by long pressing this button for -4 seconds (for VGA mode only).
• Use this hotkey to switch from five video preset modes (Game Mode, Night View Mode, Scenery Mode, Standard Mode, Theater Mode) with SPLENDID™ Video Enhancement Technology.
• Exit the OSD menu or go back to the previous menu as the OSD menu is active.