VIVOTEK
User's Manual - 189
sure_maxrange"
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<0~(n-1)>_exp
osure_maxrange" != "-" and
"capability_image_c<0~(n-1)>_exp
osure_rangetype" 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.
* Only available when
"capability_image_c<0~(n-1)>_exp
osure_mode" !=0
meteringmode auto,
blc,
hlc
* Available value is listed in
"capability_image_c<0~(n-1)>_expo
sure_meteringmode"
4/4 "
auto
": The algorithm chooses the
best metering strategy.
"
blc
": This metering method
increases the weight of dark area.
"
hlc
": The metering method can
detect strong light and make affected
area clear.
* We support this parameter when
the version number (httpversion) is
equal or greater than 0311a.
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.