AVer IWH3216 Touch3216 Touch II user manual - Manual (Page 145)

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Name Function
(18) Intelligent Search Search the changes in the motion detector frame (See also Chapter 3.3.5).
i
The Visual and Intelligent search only available when the remote site is recording and playback from remote
local hard disk.
(19) Audio Enable/disable audio play
(20) De-interlace To enhance the video quality. Set the de-interlace mode to #1, if you are capturing
motionless picture and select #2, if it captures lots of movement.