HEIDENHAIN SW 54843x-03 - Manual (Page 608)

608 Organization mode of operation
8.4 Service pac
k
The MANUALplus checks whether the service pack can be used for
the current software version of the control.
Answer the confirmation prompt "Do you really want to switch off?"
Then the actual update program starts.
Set the desired language (e.g. English) and do the update.
 After the software update the MANUALplus
automatically restarts.