In case none of the code on the code list works for the targeted air conditioner, user can use IR code learning function. See manual at section "IR Code Learning" for a description of the procedure. Value 0-22 Note: The status value 0x01 and 0x04 will be reset to 0 when the ZXT-120 receive a get command to this parameter. Value 1 idle - this IR channel is idle (default). Value 2 OK - the latest learning process successful and completed. Value 3 Learning - the ZXT- 120 is busy processing previous learning request. Value 4 Failed - the latest learning request failed. Look up the code list of ZXT-120 according to your AC brand. Value 0 normal power mode. Value 255 high power mode (default) Value 0 disable Surround IR Emitters. value 255 enable Surround IR Emitters (default). Value 0 SWING OFF. Value 255 SWING AUTO (Default).