Since the direct Siemens link may be behind a login wall, here is a cheat sheet for extracting thermal data from the PDF once you get it.

Users often search for "hot" manual tips because these units are prone to overheating, which leads to or screen flickering.

⚠️ The NCDR 1100 is "married" to the car's display via a security code. If you swap the unit, you must have the Car Pass (Security Code) and use a Tech2 diagnostic tool to "divorce" the old unit and "pair" the new one.