| Field | Home TV viewing |
| Went Obsolete | Late 1990s |
| Made Obsolete By | TiVo? or the home DVR |
| Knowledge Assumed | Read and follow complex directions |
| When useful | Setting up and older VCR to record |
Earlier videocassette recorders had fairly 'complex' (as viewed by some) timers that required setting the date and time of recording. Channel selection on the earliest ones was not a function of the timer; you set the channel with a large knob. Many times you could not program an event more than 6 days, 23 hours, and 59 minutes distant.
Later units allowed agile channel selection, the actual date (which could be years distant), and even repetitive recording of a certain channel at a certain time.
So many people were troubled by these 'intricate' procedures that technology evolved to reduce a TV to a unique number, which was shown for a few years in channel guides. You entered the number, and your VCR calculated it out to a date, time, and channel.
Newer channel-menu driven TiVo? and DVR units simply require looking at the program guide, and punching a single button on your remote.
