Operator's Manual

Root NIBPT Chapter 16: Service and Maintenance
www.masimo.com 235 Masimo
Zero Point Calibration
Zero Point Calibration is performed when an NIBP module does NOT PASS
the NIBP Module Calibration Test. See the NIBP Module Calibration Test
on page 231.
Note: This section is provided as a reference and intended for authorized
service personnel only.
1. Press the back button in the upper-left corner of the
CALIBRATION TEST screen to go back to the CALIBRATION menu
screen.
2. Select ZERO POINT CALIBRATION .
3. Apply 0 (zero) mmHg to the NIBP module.
Note: The 0 (zero) mmHg can be verified on the manometer.
4. Press Calibrate to start the Zero Point Calibration:
 A "Success" message will appear if the calibration was
successful. Go to step 5.
 If a "Result Failure" message appears, verify the 0 (zero) mmHg
is applied to the NIBP module and press Calibrate again. If the
"Result Failure" message is repetitive, contact Masimo
Technical Services. See Masimo Technical Services on page
248.
5. After a successful Zero Point Calibration, complete the Span Point
Calibration. See Span Point Calibration on page 235.