Siemens SIMATIC MV320 Operating Instructions Manual page 35

Disabling the function
Follow these steps to disable the function:
1. Scan the device-specific reset code:
When the reset code is scanned, the optical handheld reader is reset to the factory settings
and restarted.
SIMATIC MV320 (as of FS: A3)
Operating Instructions, 03/2021, C79000-G8976-C643-01
A.2 "Specify character length to be read" function
Appendix
35