Click Halo Units under the Devices heading at the bottom of the page.

Click on the Halo Unit Name to view the unit in detail

Click Edit at the top of the page under the Halo Device Name.

After Clicking on Edit at the top of the page the most recent values will be requested from the Halo Unit. This process takes about 5 seconds.
Click Alarm Thresholds to show all Halo alarms and threshold values

Edit the Threshold Value for the Alarms that you wish to increase or decrease

Scroll down to the bottom of the page and Click Submit