CPU Board and Software Licenses
15
Document no. M1125637-04
3.3 Disassembly and reassembly
NOTE: Turn the monitor to standby and press the service reset switch for at least five seconds
before detaching any PC boards.
1. Remove the screws and detach all PC boards and cover plates necessary for removing
the CPU board.
2. Remove the screws on the CPU board rear panel.
3. Detach the CPU board.
Reassembly should be made in reversed order.
NOTE: When reinstalling PC boards, push the boards carefully to connect them to the CPU bus.
3.3.1 Downloading/replacing software on CPU Board, B-CPU6
See Software Download Tool - User Instructions.
Software Download Tool, L-SWDL, is the only way to download/replace software on B-CPU6 by
a field engineer. SWDL is a service tool that enables the installation of monitor service software
from personal computer into legacy Datex-Ohmeda patient monitor. It replaces the use of
traditional service and upgrade software licenses in most situations.
3.3.2 Performing Factory Reset
NOTE: The Factory Reset is necessary after downloading of monitor software and after
replacing the CPU board or SRAM/Timekeeper battery.
NOTE: The Factory Reset will restore all your customized defaults, including language selection,
to factory defaults.
1. Press the
Monitor Setup key.
2. Select Install/Service and password (16-4-34).
3. Select Service and password (26-23-8).
4. Select Set/Test and perform Factory Reset.
5. The monitor will perform an automatic restart. After the restart is completed, restart the
monitor also manually by the On/Standby switch.
3.4 Adjustments and calibrations
No calibrations or adjustments are needed on the CPU board, B-CPU6.
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