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Certain menu settings are locked based on the current input signal or preset picture mode to maintain optimal image quality.
Verify Input Source: When using digital connections (HDMI, DisplayPort), options like Phase or Horizontal Position are automatically optimized and locked. These are only available for manual adjustment under a VGA (analog) connection.
Check Picture Mode: If the projector is set to a [Preset Mode] (e.g., Movie, Presentation, Dynamic), parameters like Color Temperature or Contrast may be locked to match the specific scene requirements.
Switch to User Mode: To unlock all manual adjustments, change the [Picture Mode] to [User Mode] in the OSD menu.
Disable Auto-Sync: Ensure that [Auto-Sync] features are not overriding manual geometric or timing settings.
Notes:
Tip: Greyed-out options do not indicate a malfunction; they ensure the most accurate 1:1 pixel mapping for digital signals.
Note: Enabling advanced features like HDR may also lock basic Brightness or Contrast settings.