101
Query IR cut switch status
Method: GET
URL: http://<ip>/io/query_filter.cgi
Return: Network Camera will return a Web page that contains the following messages.
HTTP/1.0 200 OK \r\n
…
content-type: text/plain\r\n
\r\n
filter=[0|1]\r\n <- 0= Close the window; 1= Open the window
\r\n