==== 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 and tertiary mirrorsmirror. It will not stop the guider autoguider XY-slides or , the mirror coversor 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.
[[File:lesedi_control_observing.png|none|1400px|The control tab of Lesedi's TCS]]