Rugged Cams Workhorse DVR 4 Channel - Manual (Page 125)

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(3) Description of advanced options
Menu Description
{Filter} This is used to filter the images. Either Median Filter or Temporal
Filter may be selected. If there is lots of noise in the still image,
select Median Filter; if there is lots of noise in the moving image,
however, Temporal Filter is recommended. Since the DVR
handles moving images, Temporal Filter is recommended.
{Average filter} Either 1:6:1 or 1:2:1 may be selected. For 1:6:1 (which is also
the default setting), however, the file size is high but the filtering
degree is low; this means that the resulting image is close to the
original image.
{Quad} -
{Maximum bit rate} This refers to the maximum size unit for the streaming of moving
images.
{H anti-aliasing}
This is used to set the horizontal anti-aliasing. In most cases,
4MHz is closest to the actual video.
{V anti-aliasing} This is used to set the vertical anti-aliasing. In most cases, the
[All] option is closest to the actual video.
{Peaking} Peaking emphasizes the edge of the Y elements. The user can
select No, 31%, 62%, or 93%. At 93% (which is also the default
setting), however, the edges are emphasized the most.
{C/Y cording} Cording is used to keep the edges sharp among the Y elements of
the image. The user can select No, +/-1, +/-2, or +/-4. To get the
softest images, however, +/-4 is recommended; the default setting
is No. The user can get the same output as that of Average Filter.