User manual
VIVOTEK
User's Manual - 163  
"capability_image_c<n>_exposure_rangetyp
e" is "twovalues". 
enablepreview  <boolean>  1/4  Usage for UI of exposure settings. Preview 
settings of video profile. 
7.8.1 Video input setting per channel 
Group: videoin_c<0~(n-1)> for n channel products, and m is stream number 
n denotes the value of "capability_nvideoin", m denotes the value of "capability_nmediastream" 
NAME VALUE  SECURITY
(get/set) 
DESCRIPTION 
cmosfreq 50, 60  4/4  CMOS frequency. 
(capability.videoin.type=2) 
mode  0 ~ 
"capability_videoin_c<n>_nmode"-1 
4/4  Indicate the video mode on use. 
whitebalance 
<product
dependent>
auto, 
manual, 
rbgain, 
widerange, 
outdoor, 
indoor, 
sodiumauto, 
etc 
(Available values are listed in 
"capability_image_c<n>_wbmode") 
4/4  Modes of white balance. 
"auto": Auto white balance 
"rbgain": Use rgain and bgain to set 
white balance manually. 
"manual": 2 cases: 
      a. if "rbgain" is not supported, this 
means keep current white balance 
status.
      b. if "rbgain" is supported, "rgain" 
and "bgain" are updated to the current 
values which is got from white balance 
module. Then, act as rbgain mode 
"widerange": Auto Tracing White 
balance (2000K to 10000K). 
"outdoor": auto white balance mode 
specifically for outdoor. 
"indoor": auto white balance mode 
specifically for indoor. 
"sodiumauto": sodium vapor lamps.
* Only available when 
"capability_image_c<n>_wbmode" !=
"-"
rgain  0~100  4/4  Manual set rgain value of gain control 
setting. 










