JUMO 705060 mTRON T - Multifunction Panel 840 Operating Manual - Manual (Page 97)

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10 Memory manager
Service data -> USB stick
Special data is saved onto the USB memory stick.
Software update
This function serves to read in new device software (firmware). For this purpose, a special USB
memory stick is required that contains the firmware data. These data are available from the
manufacturer if required.
NOTE!
The update must only be performed by a service technician from the manufacturer.
NOTE!
This function must only be performed if the user is requested to do so by a service technician
from the manufacturer.