Your Repeater, Your Rules
We teach new hams that nobody owns a frequency, and as such, they may use any frequency they wish as long as they follow the rules. This is generally correct, however, repeaters are special. Owners can set their own rules.
Radio Etiquette
Radio Etiquette: Timeout Timer
You should set your timeout timer to 60 seconds. It’s rude to go on and on (and on). It’s okay to break for time.