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VIVOTEK
User's Manual - 171
* Only valid when
"piris_mode"=manual or
"irismode"=fixed
* Only available when
"capability_image_c<n>_exposure_ra
ngetype" is "twovalues".
shuttervalue
<product
dependent>
<1~32000>,
<5~32000>,
<1~8000>,
<5~8000>,
etc.
* Available value is listed in
"capability_image_c<n>_exposure_m
axrange"
4/4 Exposure time
1~32000 => 1s ~ 1/32000s
5~32000 => 1/5s ~ 1/32000s
1~8000 => 1s ~ 1/8000s
5~8000 => 1/5s ~ 1/8000s
etc.
* This parameter may also restrict
image frame rate from sensor due to
sensor generates a frame per
exposure time. Ex: If this is set to 1/5s
~ 1/8000s and camera takes 1/5s on
the night, then sensor only outputs 5
frame/s.
* Only available when
"capability_image_c<n>_exposure_m
axrange" != "-" and
"capability_image_c<n>_exposure_ra
ngetype" is "onevalue".
* We support this parameter when the
version number (httpversion) is equal
or greater than 0302a.
enablepreview <boolean> 1/4 Usage for UI of exposure settings.
Preview settings of video profile.
crop_position <coordinate>
(x,y)
1/7 Crop left-top corner coordinate.
crop_size <window size>
(WxH)
1/7 Crop width and height.
(width must be 16x or 32x and height
must be 8x)
zoomratiodispla
y
<boolean> 1/4 Indicates multiple of zoom in is
“on-screen display” or not.
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