Vivotek FE9191 User Manual page 207

enableblc
<Not support anymore>
exposurelevel
exposuremode
<product dependent>
<boolean> 4/4
0~12 4/4
auto, 4/4
shutterpriority,
irispriority,
1/5s on the night, then sensor only outputs 5
frame/s.
* Only available when
"capability_image_c<0~(n-1)>_exposure_m
axrange" != "-" and
"capability_image_c<0~(n-1)>_exposure_ra
ngetype" is "onevalue".
* We support this parameter when the version
number (httpversion) is equal or greater than
0302a.
Enable backlight compensation.
* Not support this parameter anymore when
the version number (httpversion) is equal or
greater than 0301a.
* It's recommanded to use
"exposurewin_c<n>_mode" to switch on/off
BLC.
Exposure level
"0,12": This range takes the concept from DC's
exposure tuning options. The definition is:
0: EV -2.0
1: EV -1.7
2: EV -1.3
3: EV -1.0
4: EV -0.7
5: EV -0.3
6: EV 0
7: EV +0.3
8: EV +0.7
9: EV +1.0
10: EV +1.3
11: EV +1.7
12: EV +2.0
*Only available when
"capability_image_c0_exposure_mode" is 0
Select exposure mode.
"auto": Automatically adjust the Iris, Gain
VIVOTEK
User's Manual - 207