Press the emergency operation switch once more, or manipulate through theremote controller; the "Pi" sound, the emergency or test operation is terminated.When the remote controller is manipulated, it gets the system back to thenormaloperation mode.Test operation switch is the same as emergency switch.Removal of the restriction of emergency or test operationPi...Pi19PiOperationEmergency and Test OperationEmergency operation:Use this operation only when the remote controlleris defective or lost.When the emergency operation switch ispressed,the" Pi "sound is heard once, which meansthe start of this operation.In this operation, the system automatically selectsthe operation modes, cooling or heating, accordingto the room temperature,as followsTest operation: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 cooling operationstarts with the air flow speed "Hi".In this operation, it is not possible to change the settings of temperatureand air flow speed, it is also impossible to do an operation by the timer.Roomtemperature DesignatedtemperatureTimermode Air flowspeedOperationmodeMore than 21oCLess than 21oC 24oC24oC CONTINUOUSCONTINUOUSAUTOAUTOCOOLHEAT