1. Press bottom right GEAR icon then press DOWN ARROW several times
2. Press ENTER button by System Programming then enter Installer Code 4321
3. Press SENSORS then press LEARN SENSOR
4. Pull motion up from back-plate then insert batteries to learn
5. Simon XTi beeps, press EDIT by sensor group then enter 17 then press SAVE
6. Press EDIT by Sensor Name then press EDIT by word
7. Scroll words with arrow buttons then select and press SAVE then CLOSE to exit