User's Manual
VIVOTEK
138 - User's Manual
Bit 2 => Support pan operation; 
0(not support), 1(support) 
Bit 3 => Support tilt operation; 
0(not support), 1(support) 
Bit 4 => Support zoom
operation; 0(not support), 
1(support) 
Bit 5 => Support focus
operation; 0(not support), 
1(support) 
text  string[16]  <blank>  1/4  Enclose caption. 
imprinttimestamp  <boolean>  0  4/4  Overlay time stamp on video. 
enablepreview  <boolean>  0  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
NAME VALUE  DEFAULT  SECURITY 
(get/set) 
DESCRIPTION 
cmosfreq 50, 60  60  4/4  CMOS frequency. 
(capability.videoin.type=2) 
whitebalance  auto, manual  auto  4/4  “auto” indicates auto white 
balance. 
“manual” indicates keep current 
value. 
exposurelevel  0~8  4  4/4  Exposure level 
maxgain  0~5  2  4/4  Max gain: 
0 : 2x 
1 : 4x 
2 : 8x 
3 : 16x 
4 : 32x 
5 : 64x 
color  0, 1  1  4/4  0 =>monochrome 
1 => color 
flip  <boolean>  0  4/4  Flip the image. 
mirror  <boolean>  0  4/4  Mirror the image. 










