Gigaset Smoke Sensor 2.0 Mode D'emploi page 46

SMOKE ALARM
REPLACING THE BATTERY (CR123A 3V)
When the battery is almost flat, your Smoke Sensor 2.0 alarm sounds a loud beep every
43 seconds. You then need to swap the battery immediately, as follows:
1.
Detach the smoke alarm from its fixing (turn it anticlockwise).
2.
Remove the flat battery.
3.
When inserting the battery, ensure to connect the Positive and Negative terminals
correctly.
4.
Attach the smoke alarm to its base by turning it clockwise until it clicks into place.
5.
Check that the Smoke Sensor 2.0 works perfectly.
Never use rechargeable batteries.
44
Smoke Sensor 2.0