The user interface is a web browser that communicates with Lesedi's underlying control software. The browser-based software will be referred to as the "TCS" and the back-end software as the "SiTech software". The SiTech software consists of seven GUIs that must be running in the background for the TCS to function. Ideally, these GUIs will remain running at all times and the user will only interact with the TCS.
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[[File:LesediTCStwoTabOverview.png|thumb|1200px|frame|The TCS user interface runs in a web browser. The functionality for routine observing is accessed from the Controls tab, while a second tab provides access to more Advanced functions. Warnings requiring action pop up in orange, and messages appear in white bubbles that can be cleared by clicking the "x".]]
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=== Safety ===