Simply navigating to the IP address of the camera often presented the user with a login prompt or an administrative interface. However, engineers built "convenience features" into the firmware. By appending ?mode=local or simply mode= to the URL, the camera could be instructed to bypass the administrative dashboard and load the "viewer" interface directly.

: This likely refers to a frame or window through which content is viewed. It could be part of a graphical user interface (GUI) in an application, a web browser, or any software that displays content.

"Archival loop," he assumed. He reached for his keyboard to fast-forward. He typed viewerframe+mode=ff .