User Manual
VIVOTEK
74 - User's Manual
Note that the Preview button has been cancelled, all changes made to image settings is directly
shown on screen. You can click Restore to recall the original settings without incorporating the
changes. When completed with the settings on this page, click Save to enable the setting. You
can also click on Prole mode to adjust all settings above in a tabbed window for special lighting
conditions.
Enable to apply these settings at:
Select the mode this prole to apply to: Day mode, Night mode,
or Schedule mode. Please manually enter a range of time if you choose the Schedule mode. Then
check Save to take effect.
Noise reduction
■ Enable noise reduction: Check to enable noise reduction in order to reduce noises and ickers
in image. This applies to the onboard 3D Noise Reduction feature. Use the slide bar to adjust
the reduction strength. Note that applying this function to the video channel will consume system
computing power.
3D Noise Reduction is mostly applied in low-light conditions. When enabled in a low-light
condition with fast moving objects, trails of after-images may occur. You may then select a lower
strength level or disable the function.
Enable digital image stabilizer
If you experience problems such as vibration occurs when on a pole mount, try enable the image
stabilizer.