Patent ID: 8837901

Claim:
A method for controlling a video recorder of a primary subsystem, the primary subsystem including a processor that detects operation of a first control by a user and of a second control by the user and that performs the method to accomplish pre-recording and event recording, the method comprising: if pre-recording: in response to detecting operation of the first control: discontinuing pre-recording; and beginning event recording; and in response to detecting operation of the second control, discontinuing pre-recording; if event recording: in response to detecting operation of the first control, recording an event marker; in response to detecting prolonged operation of the first control for a period: discontinuing event recording; and beginning pre-recording; in response to detecting operation of the second control, discontinuing event recording; and if event recording is discontinued: in response to detecting operation of the second control, continuing pre-recording; and in response to detecting operation of the first control, beginning event recording.