Nellcor OxiMax N-550B Service Manual page 106

Data Port Interface Protocol
Baud Rate
96
4. Press the SatSeconds Alarm Limit button to select option 5.
5. Select protocol 1 or 2 by pressing Adjust Up or Adjust Down button.
6. Press the SatSeconds Alarm Limit button to set the selection.
Menu item 4 is used to select baud rate. To access menu item 4:
1. Disconnect the sensor cable.
2. Press both the SpO
2
simultaneously for 3 seconds.
3. Press the Adjust Up button until menu item 4 is displayed.
4. Press the SatSeconds Alarm Limit button to select option 4.
Alarm Limit and Pulse Rate Alarm Limit buttons