MASTER radio control already working in the receiver to the NEW radio control (to be coded). pressed the first key you want to duplicate. Its LED will light up steadily. equivalent to be copied and released only when its LED has not flashed twice. 5. Release the MASTER radio control button (already working in the receiver). *To recognize a Master remote control, press any button on the remote control already working in the receiver and check what type of flashing its LED emits: - if it emits a short flash before turning on with a fixed light it is a MASTER and can - if it turns on immediately with a steady light it is a SLAVE remote control and cannot be duplicated. In this case you will have to contact exclusively the installer who has you **Be careful not to confuse the two remote contro.
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