Documentation Issue Status
| Version | Comment | 
|---|---|
| 4.2.0 | 
 | 
| 4.1.0 | 
 | 
| 4.0.0 | 
 | 
| 3.0.1 | 
 | 
| 3.0.0 | 
 | 
| 2.0.0 | 
 | 
| 1.0.0 | 
 | 
Firmware (FF) and hardware (HH) versions
| Documentation, | KL5111, KS5111 | |
|---|---|---|
| FF | HH | |
| 4.2.0 | 3H | 13 | 
| 4.0.0 | 3H | 11 | 
The firmware and hardware versions (delivery state) of the terminal can be found in the serial number printed on the side.
Syntax of the serial number
| Structure of the serial number: WW YY FF HH WW - week of production (calendar week) | Example with serial number 35 04 1B 01: 35 - week of production 35 |