How to disable Uncertain_EngineeringUnitsExceeded tag quality

Hi All,
Has anyone had this issue?
I have some tags where the value falls outside their EngHigh/EngLow range and they are triggering the tag quality - "Uncertain("Uncertain_EngineeringUnitsExceeded: The value is outside of the range of values defined for this parameter.")" . That makes sense, but it also annoying that it causes the unknown overlay on perspectiveimage.

I was reviewing the tag property Engineering Limit Mode, which is set with No_Clamp. Supposedly 'Off' means the limit is ignored but how do I select 'Off'?

This is version 8.1.48

If you don't need the clamp, remove the values from clampHigh and clampLow?

Right click the tag, select "Edit (raw)", right click "engLimitMode", click "Delete".

This makes the propery dissapear and make it fall to the default value set to Ignition.