When the remote controller is manipulated, it gets the system back to thenormal operation mode.Emergency and Test OperationOperationEmergency operation:Use this operation only when the remotecontrolleris defective or lost.When the emergency operation switch ispressed,the" Pi "sound is heard once, whichmeansthe start of this operation.In this operation, the system automatically selectsthe operation modes, cooling or heating,accordingto the room temperature.Test operation:Test operation switch is the same as emergency switch.Use this switch in the test operation when the roomtemperature is below 16OC, do not use it in the normaloperation.Continue to press the test operation switch for morethan 5 seconds. After you hear the "Pi" sound twice,release your finger from the switch: the coolingoperationstarts with the air flow speed "Hi".Removal of the restriction of emergency or test operationPress the emergency operation switch once more, or manipulate through theremote controller; the "Pi" sound, the emergency or test operation isterminated.It is not possible to operate in dry mode.Temperature OperationmodeDesignatedtemperatureTimermode Air flowABOVE 23OCBELOW 23OCCOOLINGHEATING 23OC26OC NONOAUTOMATICAUTOMATICAfter 30 minutes, test operation ends automatically.20