If you have an issue with an Apollo Series instrument can you please make sure you have the latest firmware installed (this could be download, printing etc)?
To check this, press “F5” from the home screen and the firmware “Version” will be displayed.
If you need to update the firmware or check the version, please see the following link:
After doing the above, if you receive a calibration error please contact our Service Department on
TEL: +44 (0) 191 587 8739 or firstname.lastname@example.org