Changes
/* The Controls Tab */
[[File:LesediTCScontrolsTabAnnotated.png|thumb|600px|frame|left|The main Controls tab of the TCS indicates the status of all subsystems; displays the time, telescope and dome position; gives access to a target catalogue; and allows control of the telescope, focus and instrument selection.]]
<br clear=all>
Clicking on the three vertical dots beside a subsystem displays a drop down list of further subsystem status info, as can be seen below "Dome" and "Rotator 1" in the central panel of the screenshot above. The ethos behind the colour coding of subsystem status is as follows:
Green: a subsystem or state is either selected (e.g. in the screenshot above, the telescope is tracking at the sidereal rate, and the SHOC instrument is selected), or is in the correct state for observing (e.g. mirror covers open, dome shutters open, telescope tracking, dome tracking, rotator 1 (SHOC) tracking).
Orange: a subsystem is in an inappropriate state for observing. In the screenshot above, Rotator 2's indicator is orange, which is acceptable because SHOC is mounted on Rotator 1, so only Rotator 1 needs to track with the telescope. If the mirror covers or dome shutters were closed, their indicators would turn orange; likewise if the lights were switched on their indicator would be orange.
Blue:
==== Emergency Stop ====
It is important to note the '''Emergency Stop''' button, on the lower right of the TCS display. It is always visible on both tabs, and will stop the motion of the dome, shutters, telescope, rotators and secondary mirror. It will not stop the autoguider XY-slides, the mirror covers or the tertiary mirror. The Emergency Stop button should be clicked if anything that is moving is going to cause a hazard. Once clicked, the Emergency Stop button will be toggled to read '''Reset''', and you must ensure that it is safe to reset all the subsystems before pressing this button to continue.
==== The Startup button ====
