Acer XL1220 User Manual page 33

UsI G THe PRoJeCToR
signal
Adjust the signal options.
‡ Automatic: Configure automatically the signal (the frequency, phase, H. position, and V. position items
are grayed out). If automatic is disabled, the frequency and phase items will appear for tuning and
saving the settings.
frequency: Change the display data frequency to match the frequency of your computer's graphic
‡
card. Use this function only if the image appears to flicker vertically.
‡ Phase: Synchronize the signal timing of the display with the graphic card. If the image appears to be
unstable or flickers, use this function to correct it.
‡ H. Position: Adjust the horizontal positioning of the image.
‡ V. Position: Adjust the vertical positioning of the image.
otee:
This menu is only available if the input source is RGB/Component.
brightness mode
Adjust the brightness mode settings.
Dynamicblack: Use to automatically adjust the picture brightness in order to give optimum contrast
‡
performance.
‡ eco.: Choose "Eco." to dim the projector lamp which will lower power consumption and extend the
lamp life.
‡ Power: Choose the power percentage for brightness mode.
Reset
Return the factory default settings for color settings.
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