Revision E MAC 5500 resting ECG analysis system 5-15
2020299-020
Maintenance: Disassembly Guidelines
Software
After replacing the CPU board, you need to install or update the software on the
board as follows:
1. Connect the system to AC power.
Keep the system connected to AC power during the software update and do not
power of
f the system during the software update.
2. Press Power to
turn on the system.
3. From the Main Menu, se
lect System Setup.
4. Enter the system password. and press Enter.
5. Press Shift + F3.
The following message is displayed.
6. Insert the secure digital card with the application software.
A message similar to the following displays.
7. Press the Enter key.
A series of messages that describe the update process displays.
One of three things happens at this point:
If the boot code is not being updated, the following message displays:
If the boot code is being updated to a newer version, the following
messages display:
Please Insert SD Card
Press ‘Esc’ to cancel
Current Version:
New Software Version:
Press ‘Enter’ to start installation
Copying code to Main Memory...
Erasing Flash...Please Wait
Programming Flash: 10 %
Programming Over
System is Shutting Down
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