The siren is used to inform you of the following:

• Operational notifications

• Low urgency notifications

• High urgency notifications

• Sensor errors

For EXO to function effectively as an area gas monitor, the siren must be loud enough to be heard over all environmental noise. EXO’s siren volume, measured at 6 in. (152.4 mm) from the device, is:

• High: 98dB

• Medium: 82dB

• Low: 72dB