Vivotek Supreme SD9374-EHL User Manual page 337

Return Code
400 Bad Request
415 Unsupported Media Type
8.21 RemoteFocus
(capability_image_c<0~(n-1)>_remotefocus=1)
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
Request is rejected because some parameter values are illegal.
Returned, if forcechk appears,when minsft is not achievable or the timeshift
feature of the target stream is not enabled.
DESCRIPTION
VIVOTEK
User's Manual - 337