- Insert something thin and flat (like a coin) into the seam on the bottom right-hand corner of the panel to remove the border.
- Release the 2 tabs on the top of the panel. The panel will flip down.
- Unplug and remove the old battery.
- Install new battery and plug back in.
- Flip panel back up and ensure tabs snap into place.
- Reinstall border.
- Press the Gear icon in the bottom right-hand corner of the screen.
- Press Hear, then Clear.
- Press Close.
Simon XTi - How to Change the Backup Battery
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