Simon XT - Remote Touchscreen Batteries
This process will require you to have 4 AAA batteries. This battery can often be purchased at your local hardware, mass retailer, or battery store.
1. Remove the backplate from the touchscreen by pressing the bottom tab with a screwdriver.
2. Remove and replace 4 AAA Alkaline batteries.
3. Route the black antenna cable through the antenna wire opening.
4. Press the touchscreen back on the backplate until it clicks into place to finish.