For setting an alarm, switch to group list.
click the icon highlighted in red
locate the sensor and click the icon on the upper left corner.
A setting window will be displayed.
click the setting to add a new alarm factor.
For instance, when the sensor detects a concentration value between 800-1000 and the situation lasts for 30 seconds, a message of ” high concentration” will be sent as shows below in the yellow zone.
After the setting, click on Okay to save. This new setting will be synchronized with gateway.