Setting Nurse Call; Service Function Menus - Nellcor OXIMAX N-600X Series Service Manual

Modifying and Testing the Oximeter

Setting Nurse Call

To set the nurse call setting:
1. Connect the negative lead of a voltmeter to pin 5 and positive lead to pin 11 of
the Data Port Connector on the back of the oximeter.
2. Ensure the audible alarm is not turned off.
3. Connect the SRC-MAX tester to the DOC-10 pulse oximetry cable.
4. Connect the DOC-10 cable to the oximeter SpO
5. Turn on the oximeter and wait for the POST process to complete.
Note:
The oximeter should indicate a %SpO
6. Verify an output voltage at pins 5 and 11 between +5 to +12 VDC.
7. Press the ALARM SILENCE button. With the audible alarm silenced, the output
voltage at pins 5 and 11 must be between -5 to -12 VDC, verifying the RS-232
Nurse Call function by simulating an alarm condition.
8. With oximeter in an alarm condition, use a digital voltmeter (DVM) to ensure
there is no continuity (1 megohms or greater) between pins 8 and 15 and there is
continuity (60 ohms or less) between pins 7 and 15.
9. Press the SRC-MAX tester %SpO
10. Use a DVM to verify there is continuity between pins 8 and 15 and that there is no
continuity between pins 7 and 15, verifying the solid state Nurse Call function.

Service Function Menus

Service functions can be used to select institutional defaults and to access
information about the patient or oximeter. Only a trained Nellcor Customer Service
Technician, qualified service technician, or clinical engineer should access many of
the items available through the service functions.
Accessing Service Function Menus
WARNING
Audible alarms should not be silenced if patient safety could be compromised.
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Figure 104. Data Port Connector
alarm of 75.
2
button to change the %SpO
2
10030881 Rev. B 12-2008
or call 1-800-674-3655
Sensor Port.
2
to 90.
2
Service Manual