User manual
VIVOTEK
160 - User's Manual
7.8Video input 
Group: videoin
NAME VALUE  SECURITY 
(get/set) 
DESCRIPTION 
cmosfreq 50, 60  4/4  CMOS frequency. 
(capability.videoin.type=2) 
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" !="-" 
exposurelevel  0~12  4/4  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 










