http://software.x10.com/pub/.../kr10a-is.pdf
Key Chain Remote Model KR10A Set Up and Operating ... 1. Install two AAA alkaline batteries in the battery ... Note: If you do not hear a beep in step 4 above, remove ... Note: The Key Chain Remote Control always arms the Console ... 1. Set the Console’s INSTALL/RUN switch to RUN1 or RUN2. ...