I will have an update to the Triquetra Tool Box published shortly that should resolve the issue you are having when trying to zero just the Z axis. As soon as it is published you should get a notification when you open the Triquetra Tool Box. If you don’t see one then check the website for an update and get it that way.
After the Tool Box update is installed you will need to generate a new zeroing script. If you still have an issue after that let me know.
THE UPDATE FOR THE TRIQUETRA TOOL BOX IS DELAYED DUE TO A CODE SIGNING CERTIFICATE ERROR. I WILL GET IT PUBLISHED AS SOON AS I GET IT RESOLVED THROUGH TECH SUPPORT.