Frequently asked questions, Eyestrain/headache, 3d content isn’t shown correctly on the display – Acer GN246HL User Manual
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120 Hz refresh rate for use in North America when lights are on
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110 Hz refresh rate for daytime and when lights are off
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100 Hz refresh rate for countries with 50 Hz lighting and
when lights are on
Once you have selected a refresh rate on the Setup Wizard screen, click Test to
verify the new refresh rate which also helps reduce flickering. Once you have
found the best setting, click Next to continue.
Eyestrain/headache
If you are experiencing eyestrain or headaches, it could be due to excessive
depth amount set to view the stereoscopic 3D.
Warning: If eyestrain and headaches persist, discontinue viewing
in stereoscopic 3D and consult a doctor.
3D content isn’t shown correctly on the display
Make sure that your source device supports HDMI 1.4a 3D. Please refer to your
source device’s specifications to ensure correct functionality.