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Hello

I hope it is ok i write in English.

I just moved to a house with a Jablotron 100 alarm.

There are 2 smoke detectors JA-110ST. Can anyone tell me me what happens if they detect smoke?

Will the big outdoor siren start or is there an internal siren in the smoke detector that will start?

Thank you.

Hello Busted!
Normally both will happen if there is a standard installation. If the detector sounds You can stop the signal of the detector - not of the system - by pressing the detector to the ceiling. That can be done using a broom f.e., the detector has two small switches at the bottom side!
The alarm of the system must be stoped at the panel, that where You switch the system to arm or disarm!
Hope that will help,
Schuko

Great. Thank you for your answer!