Optoma Optoma EP615H - Manual (Page 17)

English
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" Tracking
Choose “ Tracking “ item to synchronize the signal timing of the display with that of the graphic
card. When you experience an unstable or flickering image, use this function to correct it.
"
Frequency
“Frequency” is for changing the display data frequency to match the frequency of your
computer’s graphic card. When you experience a vertical flickering bar, use this function to make
an adjustment.
" Auto-Image
The projector automatically adjusts tracking, frequency and vertical and horizontal
position for most computers.
* The image options are available only for computer sources. The projector can sets these options
automatically for video sources.
Image Adjustment
" Volume
l Press the left button to decrease the volume.
l Press the right button to increase the volume.
" Bass
The Bass setting controls the lower frequencies of your audio source.
l Press the left button to decrease the bass.
l Press the right button to increase the bass.
Audio
" Treble
The treble setting controls the higher frequencies of your audio source.
l Press the left button to decrease the treble.
l Press the right button to increase the treble.
" Mono / Stereo / Stereo-enhance
l Mono: Mono sound effect.
l Stereo: Stereo sound effect.
l Stereo-enhance: Stereo-enhance sound effect.