Operation Manual
VIVOTEK
User's Manual - 127  
    27   
Enable flickless mode will 
limit the parameters: 
minexposure and 
maxexposure between 
5~120. 
minexposure 5,15,25,30,50,6
0,100,120,240,
250,480,500,10
00,2000,4000,8
000,16000,320
00 
32000  4/4  Minimum exposure time. 
maxexposure 5,15,25,30,50,6
0,100,120,240,
250,480,500,10
00,2000,4000,8
000,16000,320
00 
30  4/4  Maximum exposure time. 
enableblc  0~1  0  4/4  Enable backlight 
compensation 
s<0~(m-1)>_codectype  mjpeg, h264  h264  1/4  Video codec type. 
svc is only supported with 
stream 0.
s<0~(m-1)>_resolution  "176~1280"x"1
44~1024" 
1280x1024 1/4  Video resolution in pixels. 
s<0~(m-1)>_mjpeg_ratecontr
olmode 
cbr, vbr  cbr  4/4  cbr, constant bitrate 
vbr, fix quality 
s<0~(m-1)>_ mjpeg _quant  1~5,99,100  3  4/4  Quality of video when 
choosing vbr in 
“ratecontrolmode”. 
99,100 is the customized 
manual input setting. 
1 = worst quality, 5 = best 
quality. 
s<0~(m-1)>_ mjpeg
_qvalue
1~31 7 4/4 Manual video quality 
level input. 
(s<0~(m-1)>_mjpeg_quan
t = 99)
s<0~(m-1)>_ mjpeg 
_qpercent
1~100  29  4/4  Set quality by percentage. 
1: Worst quality 










