I am a new tenant in a rental home with Samsung wa45m3100a washer.  I have not used this type of washer before and am wondering how it works and sounds during the wash cycle. Is it supposed to "pulsate" in the sense that it stops and starts in order to agitate the clothes? (Sorry if I sound naive, but after years of laundromats and using an older machine in a house we own, I'm not certain!)   Thanks. ... View more