Here you will find the latest firmware for the slewing railway crane EDK750. 

Like other decoder updates, the update can be performed via tracks using the Z21 and Z21 Maintenance Tool and takes about 40 seconds. 

Changelog:

Problem with control in Motorola format has been fixed.

To check whether the update has been successful, you can read CV7. With the new firmware the value 40 has to be read.