User manual
VIVOTEK
User's Manual - 261  
7.33 Region of interest 
Group: roi_c<0~(n-1)> for n channel product. (capability.eptz > 0) 
m denotes the value of "capability_nmediastream". 
PARAMETER  VALUE  SECURITY
(get/set)
DESCRIPTION 
s<0~(m-2)>_home <W,H> 
<product dependent>
1/6  ROI left-top corner coordinate.* If the minimal 
window size is 64x64, then the 
"win_i0_home"=(0~resolution_W-64, 
0~resolution_H-64), which the resolution is the
value in current stream. 
s<0~(m-2)>_size <WxH> 
<product dependent>
1/6  ROI width and height. The width value must be 
multiples of 16 and the height value must be 
multiples of 8* The minimal window size is 
64x64 
s<m-1>_home <W,H> 
<product dependent>
1/7  ROI left-top corner coordinate.* If the minimal 
window size is 64x64, then the 
"win_i0_home"=(0~resolution_W-64, 
0~resolution_H-64), which the resolution is the
value in current stream. 
s<m-1>_size <WxH> 
<product dependent>
1/7  ROI width and height. The width value must be 
multiples of 16 and the height value must be 
multiples of 8* The minimal window size is 
64x64 
7.34 ePTZ setting 
Group: eptz_c<0~(n-1)> for n channel product. (capability.eptz > 0)
PARAMETER  VALUE  SECURITY
(get/set)
DESCRIPTION 
osdzoom 
<Not recommended to use 
this> 
<boolean>  1/4  Indicates multiple of zoom in is “on-screen 
display” or not. 
* Reserved for compatibility, and suggest don't 
use this since [httpversion] > 0302a 
* We replace "eptz_c<0~(n-1)>_osdzoom" with
" videoin_c<0~(n-1)>_zoomratiodisplay".   
smooth  <boolean>  1/4  Enable the ePTZ "move smoothly" feature 










