There will be a reference marker input introduced in the not too distant future. Watch for an announcement on this one.
Please remember this is a Beta release and are monitoring field response on a continual basis. To this end and to speed up to the final release, we would urge all users of this software to email as many 'saved data' files with vehicle details as possible to support@picotech.com
Thankyou for your inquiry with regard to the relative compression test and the cylinder balance test.
We are currently working on updates to this software which involves extensive testing and data collection. The future update is quite some way from being released.
In the mean time please do not hesitate to contact us if you require further assistance.