Patent ID: 8468560

Claim:
An apparatus of setting a channel, the apparatus comprising: a lock unit for locking the channel as a locked channel; a timing unit for counting a duration from a beginning of leaving the locked channel to the present time after the locked channel is switched to another channel; a control unit for controlling a screen to render information related to the locked channel when the locked channel has been switched to aforesaid another channel, the information comprising a literal symbol of the duration; a prompting unit for performing a prompting when the duration exceeds a first predetermined period, and the timing unit further counting a second duration during which the prompting is being performed; a switching unit for switching said another channel to the locked channel when the second duration exceeds a second predetermined period; and a receiver for receiving a delay command, wherein the switching unit extends the second predetermined period for a span of time based on the delay command before said another channel is switched to the locked channel.