Vivotek Supreme SD9374-EHL User Manual page 340

VIVOTEK
8.22 BackFocus (capability_image_c<0~(n-1)>_remotefocus=4)
Note: This request requires Administrator privileges.
Method: GET/POST
Syntax:
http://<servername>/cgi-bin/admin/remotefocus.cgi?function=<value>[&direction=<value>]
[&position=<value>][&steps=<value>][&iris]
PARAMETER VALUE DESCRIPTION
340 - User's Manual