This sets the minimum booking period for this room at all times.
Individual rates If you set the Minimum Stay here this can have different not be lowered with any other setting, (Prices/Calendar) Set you base Minimum Stay (the lowest you ever allow) here and increase your minimum booking periods which can cause this to be higher but not lower.stay, say for a special weekend/period, in (Prices/Calendar) The hierarchy order : 1) Room Setup 2) Prices 3) Calendar