working mode: cooling, heating, sending wind, moisture removal,and auto mode temperature setting: start 18? the speed of wind setting: low speed mode, middle speed mode, high speed mode and auto speed wind control: on(moving wind)/off(fixation wind) sleep time: fixation time switch and sleep mode safety protection and prescription : sensor reaction abnormity, indoor unit abnormity, high pressure, low pressure, over heating, over current and so on. panel display: led color display