Acer K520 - Manual (Page 39)

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English
3 Partial, scrolling
or incorrectly
displayed image
(for notebooks)
• Press "RESYNC" on the remote control or control
panel.
• For an incorrectly displayed image:
• Follow the steps for item 2 (above) to adjust
the resolution of your computer.
• Press the toggle output settings. Example:
[Fn]+[F4], Compaq [Fn]+[F4], Dell [Fn]+[F8],
Gateway [Fn]+[F4], IBM [Fn]+[F7], HP [Fn]+[F4],
NEC [Fn]+[F3], Toshiba [Fn]+[F5 ]
• If you experience difficulty changing resolutions or
your monitor freezes, restart all equipment
including the projector.
4 The screen of the
notebook
computer is not
displaying your
presentation
• If you are using a Microsoft ® Windows ® based
notebook: Some notebook PCs may deactivate their
own screens when a second display device is in use.
Each has a different way to be reactivated. Refer to
your computer's manual for detailed information.
• If you are using an Apple ® Mac ® OS based
notebook: In System Preferences, open Display and
select Video Mirroring "On".
5 Image is unstable
or flickering
• Adjust the "Tracking" to correct it. Refer to the
"Image" section for more information.
• Change the display color depth settings on your
computer.
6 Image has vertical
flickering bar
• Use "Frequency" to make an adjustment. Refer to
the "Image" section for more information.
• Check and reconfigure the display mode of your
graphics card to make it compatible with the
projector.
7 Image is out of
focus
• Make sure the lens cap is removed.
• Adjusts the focus ring on the projector lens.
• Make sure the projection screen is within the
required distance of 3.9 - 39.0 feet (1.2 - 11.9 meters)
from the projector. Refer to the "How to Get a
Preferred Image Size by Adjusting Distance and
Zoom" section for more information.
8 Image is stretched
when displaying a
"widescreen"
DVD title
When you play a DVD encoded in anamorphic or 16:9
aspect ratio you may need to adjust the following
settings:
• If you play a 4:3 format DVD title, please change the
format to 4:3 in the projector OSD.
• If the image is still stretched, you will also need to
adjust the aspect ratio. Set up the display format to
16:9 (wide) aspect ratio on your DVD player.