5-24 MAC™ 3500 Resting ECG Analysis System Revision L
2021337-036
Maintenance: Main CPU Board Replacement
Software, System Setups, and Option Activation
Installing the Software
After replacing the CPU, you need to install or update the software on the board.
Two methods exist for installing software. The standrd method uses prompts
displayed on the user interface to indicate installation status. A special method is
available for when the user interface is unavailable; it uses LEDs on the PCB to
indicate installation status.
NOTE
Before applying a software update, do the following:
Confirm the update is compatible with the main board in your device.
Updates with boot code version B4 or higher cannot be applied to devices
wi
th the -007 main board (P/N 801212-007).
Updates with software version 10A, 9C, or earlier cannot be applied to
devices with the -008 main board (P/N 801212-008).
Connect the device to AC power.
Keep the device connected to AC power and do not power off the device
during the update.
Installing the software with the user interface
Use the following procedure to install the software using the user interface:
1. Press Power to
turn on the system.
2. From the Main Menu, s
elect System Setup.
3. Enter the system password. and press Enter.
4. Press Sh
ift + F3.
The following message is displayed.
5. Insert the SD card.
The following message is displayed.
6. Press Enter.
NOTE
If the device is not connected to AC power, the message Please s
witch to
AC power is displayed. Connect the device to an AC outlet.
A series of messages flash on the screen
to indicate the installation progress.
When it is done, one of two things will happen:
Please Insert SD Card
Press ‘Esc’ to cancel
Current Version: xx.xx
New Software Version: yy.yy
Press ‘Enter’ to start update
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