Some operators who have a very close relationship with their TARDIS have been known to enable Autonomous Control, which allows the ship to select its own Space-Time Coordinates and input them into the Directional Unit. Among other things, it can help ensure that the ship will materialize near what he is looking for (say a missing travelling companion). This is accomplished using the Intuition Circuits. The neural network uses the Astral Map's holographic representation of the Universe to make guesses about where the TARDIS should materialize.
If a TARDIS's options analysis switching loops become clogged with partially rejected parallels the TARDIS will effectively have Autonomous Control regardless of the operator's wishes. This might result in a TARDIS constantly taking the operator to time zones where the Time Lord's skills and abilities are needed most. In some cases a TARDIS has been known to automatically enact an emergency program to reach the timeship's operator. Some operators have even installed a switch to trigger such actions.
The following color code is used:
- Black: For information from the TV Series, including Dimensions in Time, and 1996 TV Movie.
- Blue: For information from the Novels and Audios including Target, Virgin, BCC, and Big Finish.
- Green: For information from 'licensed' reference sources such as the Technical Manual, Doctor Who Magazine, and the Role Playing Games.
- Red: For information from unofficial sources -The Faction Paradox series, behind the scenes interviews, author's speculation, and popular fan belief.
The TARDIS Technical Index is copyright Will B Swift.