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VIVOTEK
220 - User's Manual
© 2022 VIVOTEK INC. All Right Reserved
76
NAME
VALUE
SECURITY
(get/set)
DESCRIPTION
"piris_mode"=manual or
"irismode"=fixed
* Normalized range.
* Only available when
"capability_image_c<0~(n-
1)>_exposure_rangetype" is
"twovalues".
gainvalue
0~100
4/4
Gain value.
0: Low <-> 100: High
* Only available when
"capability_image_c<0~(n-
1)>_agc_maxgain" != "-" and
"capability_image_c<0~(n-
1)>_exposure_rangetype" is
"onevalue".
* Normalized range.
* We support this parameter when
the version number (httpversion) is
equal or greater than 0302a.
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.
piris_mode
<product
dependent>
manual, indoor, outdoor,-
1/4
Control P-Iris mode.
"outdoor": Auto-setting P-Iris to get
best quality, but easy to meet rolling
or flicker effect in indoor
environment.
"indoor": Avoid rolling and flicker
effect first.
"manual": Manual set P-Iris by
"piris_position".
"-": not support (only available when
"capability_image_c<0~(n-
1)>_sensortype" is "smartsensor")
* Only available when
"capability_image_c<0~(n-
1)>_iristype"=piris
piris_position
1~100
1/4
Manual set P-Iris.
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