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Manual override

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A manual override is a procedure where an otherwise automatic system is taken under manual control, usually from computer control.

Examples in reality

  • Ink cartridges "empty" signals can be overrided, as some printers refuse to print when they claim the ink is low [1]. One researcher who over-rode the system found that in one case he could print up to 38% more good quality pages, even though the chip stated that the cartridge was empty [1].

Examples in fiction

As a plot device manual override is often used in Sci-Fi because of the usual prevalence of advanced / electronic technology. For example;

  • In Star Trek many automatic systems, such as the automatic navigation, or the 'site-to-site transporter' can be overridden. A slightly different type of manual override is used in the film Star Trek: Insurrection, when acting Captain of the Starship Enterprise (E) William Riker asks the computer for the 'manual command column', in effect a joystick which gives him pilotage control of the ship.

References

  1. ^ a b 'Raw deal' on printer ink, BBC, 3 July 2003
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