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4.4.1.3 System Software Upgrade
NOTE
z Before upgrading the system software, check the version information of the booting
software. If it is not the latest, upgrade the booting software to the latest version
first and make sure of software compatibility.
z Before upgrading the system software, record the current settings of the anesthesia
machine so as to restore the pre-upgrade settings after software upgrade.
z When selecting the upgrade package, make sure that the checksum and version are
same to that provided by the factory. You also need to check the machine code
corresponding to the anesthesia machine to be upgraded.
Before upgrading the system software, note the matching between machine name and
machine code as listed below.
Machine name Machine code Notes
WATO EX-55 0621 /
WATO EX-65 0621 /
WATO EX-50 (2
nd
generation circuit）
0613 Borrows the breathing circuit of WATO EX-55/65
WATO EX-60 (2
nd
generation circuit）
0613 Borrows the breathing circuit of WATO EX-55/65
WATO EX-50 (improved
circuit)
0611C Built-in dual-flow sensor circuit after EBU017
engineering change
WATO EX-60 (improved
circuit)
0611C Built-in dual-flow sensor circuit after EBU017
engineering change
WATO EX-50 (1
st
generation circuit)
0611 External single-flow sensor circuit before EBU017
engineering change
WATO EX-60 (1
st
generation circuit)
0611 External single-flow sensor circuit before EBU017
engineering change
To upgrade the system software:
1. Check and confirm that the booting software of the anesthesia machine is of the latest
version. If not, refer to 4.4.1.2Booting Software Upgrade to upgrade to the latest
version.
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