CEMB USA N500 - Manual (Page 24)

4 - 4 Setup mode
the instrument, then press to start the automatic updating procedure, at the
end of which the pop-up
signals successful transfer of the file and requests switching the instrument off, then on
again to complete the operation.
Caution:
Updating of the firmware is a delicate operation, which could last a few minutes. It
should be carried out by paying careful attention to the instructions supplied in
order not to cause malfunctions or data loss; for this reason, a confirmation is
requested before activating this procedure.
Only the firmware obtained directly from CEMB Technical Service should be used. It is
advisable to remove the USB key before rebooting the instrument.
Caution:
If the automatic updating operation is not performed successfully, contact CEMB
Technical Service, citing the type of error signalled.