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VIVOTEK
204 - User's Manual
© 2022 VIVOTEK INC. All Right Reserved
60
NAME
VALUE
SECURITY(
get/set)
DESCRIPTION
"piris_mode"=manual or
"irismode"=fixed
* Only available when
"capability_image_c<0~(n-
1)>_exposure_rangetype" is
"twovalues".
shuttervalue
<product
dependent>
<1~32000>,
<5~32000>,
<1~8000>,
<5~8000>,
etc.
* Available value is listed
in
"capability_image_c<0~(n-
1)>_exposure_maxrange"
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<0~(n-
1)>_exposure_maxrange" != "-" and
"capability_image_c<0~(n-
1)>_exposure_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)>_exposure_mode" !=0
meteringmode
auto,
blc,
hlc
* Available value is listed
in
"capability_image_c<0~(n-
1)>_exposure_meteringm
ode"
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>
1/7
Crop left-top corner coordinate.
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