Manual of Wireless Transmitter AM6003 Replacing battery: Please open the cabinet at the location of arrow with screwdriver. Then, follow the diagram to insert the A23 alkaline battery with positive side on the top. Code Setting The code is set by manufacture, and there are combinations of codes up to 256. In order to avoid the interference, you can set the code by adding or removing jumpers of the alarm. Please make sure that the code setting of the transmitter must match with that of the receiver. Eg.
