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You haven't actually asked a question Leon??
This is from the Gemini manual though-
“Cold Start” clears the current modeling data, and should be used whenever the mount has been moved from its polar alignment after a previous observing session. The mount must be in Startup Position during a Cold Start.
“Warm Start” preserves the modeling data but not the current telescope position data. It should be used if the mount has not been moved since the last observing session, but the telescope has been moved on the mount. The mount must be in the Startup Position during a Warm Start.
“Warm Restart” preserves all modeling and position data. This should be used if no movement of the mount or telescope has occurred since the last observing session. This is especially useful for permanent installations, multi-night star parties, and daytime observing if you aligned your mount the night before.
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