Buzzer signalling

The buzzer on the motherboard provides the following signals:

Signalling	cadence and tone	activation	deactivation
bop	200ms, 500Hz	Operation on user interface rejected.	-
beep	50ms, 3kHz	Operation confirmed on user interface.	-
alarm	2kHz	The smoke alarm threshold has been exceeded and detected.	Button pressed Device reset Activation of an input with the mute buzzer function Resetting of the smoke level (if the automatic reset option is active)
early-warning	On 200ms / Off 200ms, 2kHz	The smoke early-warning threshold has been exceeded and detected.
fault	On 1s / Off 1s, 2kHz	A fault has been detected (activation of and LEDs).	Button pressed Device reset Resetting of all faults.

The audible signalling of an alarm or fault by the buzzer are enabled via the “Audio signal on alert/fault” option, disabled at default.

The audible signals for confirmation or refusal of an operation (“beep” and “bop”) are enabled by the “Buttons tone” option, enabled by default.

The options are programmable via the local menu.