User manual
VIVOTEK
User's Manual - 159  
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)(SD/PZ/IZ 
series only) 
text  string[64]  1/4  Enclose caption. 
imprinttimesta
mp
<boolean>  4/4  Overlay time stamp on video. 
textonvideo_po
sition 
top, bottom  4/4  Text on video string position 
textonvideo_siz
e
20~40  4/4  Text on video font size 
textonvideo_fon
tpath 
/usr/share/font/Default.ttf, 
/mnt/flash2/upload.ttf 
4/4  Choose camera default font file 
(/usr/share/font/Default.ttf) or user 
uploaded font 
file(/mnt/flash2/upload.ttf). 
textonvideo_upl
oadfilename 
Depends on the font file name 
uploaded by user 
1/7  Show the uploaded font file name. 
minexposure 
<product
dependent>
<1~32000>, 
<5~32000>, 
<1~8000>, 
<5~8000>, 
etc. 
* Available value is listed in 
"capability_image_c<n>_exposure_m
inrange" 
4/4  Minimum exposure time 
1~32000 => 1s ~ 1/32000s 
5~32000 => 1/5s ~ 1/32000s 
1~8000 => 1s ~ 1/8000s 
5~8000 => 1/5s ~ 1/8000s 
etc. 
* Only available when 
"capability_image_c<n>_exposure_m
inrange" != "-" 
* Only valid when 
"piris_mode"=manual or 
"irismode"=fixed 
* Only available when 
"capability_image_c<n>_exposure_ra
ngetype" is "twovalues". 
maxexposure 
<product
dependent>
<1~32000>, 
<5~32000>, 
<1~8000>, 
<5~8000>, 
4/4  Maximum exposure time 
1~32000 => 1s ~ 1/32000s 
5~32000 => 1/5s ~ 1/32000s 
1~8000 => 1s ~ 1/8000s 










