UD101L User Guide Document: UD101L-2
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HDCP compliant issues: If the input source or the monitors are not HDCP compliant, it is
possible to stop UD101L from negotiating HDCP link and show intermittent, abnormal or no
image. Please check HDCP condition in signal source or display device.
➢
Resolution issues: check if signal source and connecting cables can provide source signal
supported by UD101L.
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DVI/HDMI signal compatibility: some display devices may only support HDMI or DVI video
signal and execute wrong signal format detecting. The default output is HDMI. User can change
output with DVI format through [Options]
→
[Setting]
→
[DVI]
→
[On].
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Usually, to swap with different cable, output channel, signal source and projector can verify the
root cause for the failure.
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When it is possible to have signal compatibility issue, user can add one HDMI splitter/switcher
in the middle to change signal impedance. It may fix the issue.
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During system settings, the output signal may be temporarily lost and cause projector re-
searching input signal and the image disappears shortly. User can disable [Frame Sync]
function to avoid this kind of effect (see section 2.12). After finishing system setup, user need to
set [Frame Sync] at [Normal] position to get perfect synchronization in all output channels.
11.3. Video quality issues
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Use the highest resolution and number of color bits (RGB 4:4:4) images allowed by UD101L to
be used as a signal source whenever possible.
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There are a number of lower-quality AV players, the specification and actual output are
difference, or because of the use of lower color sampling bits or poor image compression
technology, resulting in lower quality or image is not smooth (LAG).
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If the use of H.264/H.265 compressed files, please select a player with hardware decoding to
get smooth video quality.
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If the input signal is interlaced signal (interlaced-1080i), and the image is rotated or flipped, then
the channel will have no [3D Motion adaptive de-interlaced] processing function. If user applies
static image source, the output video will have a slight jitter phenomenon. The processing
channel quality will be reduced. Use a progressive signal source setting (1080p/2160p)
whenever possible.
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Please press [INFO] shortcut key to check the input/output signal settings.
11.4. Image position shift after installation
The position shift in the projector will be enlarged to more than 10x due to projection distance. One
mm image shift inside projector may appear 1cm image shift on the screen. User will clearly see
blurred effect in image stacking application.
