The version number of the firmware consists of 4 parts, which are separated by a dot, e.g. V1.3.4.534. The meaning of the parts is:
| Part of the version number | Meaning | 
|---|---|
| 1. Part, in the example: 1 | "Major" version number It is incremented, if the firmware is completely redesigned (-> happens seldom). | 
| 2. Part, in the example: 3 | "Minor" version number It is incremented, if new functionality has been implemented. | 
| 3. Part, in the example: 4 | "Patch" It in incremented, if one ore more bugs have been fixed. | 
| 4. Part, in the example: 534 | "Build" Internal number for firmware identification. | 
In addition, firmware can be marked as "customer specific" or as "Beta version". A warning note is displayed before such a firmware can be downloaded. It must only be used after written notice by Messtechnik Sachs.