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1. To adjust these thresholds, click on the hamburger menu and then "Parameters for this Service."
   
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2. You will now want to click on "Temperature."
   
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3. Click "Add Rule"
   
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4. Place an [X] in the Upper and Lower Temperature Level boxes to enable custom threshold values. Set the desired Warning and Critical levels for both. 
   
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5. Save the new configuration and activate the changes.

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