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Service manual Troubleshooting and repair 41
To configure to a different COM port
1. Right-click on the port you want.
2. Select Properties.
3. Select Port Settings.
4. Click Advanced.
5. Select a new COM Port Number.
The port settings for the Keyspan adapter are explained in the documentation included
with the device. Keyspan provides an assistant to configure and diagnose the USB-to-
serial adapter. Access the assistant from Port Settings in the Device Properties dialog.
The VSM uses these default settings:
• 9600 bits per second
• 8 data bits
• no parity
• 1 stop bit
• no flow control
Service procedures
Characterizing NIBP
This operation trains the NIBP module to properly account for the volumes of internal and
external tubing when the pump is running.
WARNING You must characterize NIBP after replacing any NIBP components:
pump, tubing, air filter, check valve, or NIBP module. Failure to properly
characterize NIBP can lead to injury of neonatal patients.