Mallinckrodt Nellcor N-20 Service Manual page 14

Portable pulse oximeter
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Performance Verification
ON
ADV
D/D
combinations
1.
Press the Measure button: "9O" appears in the Oxygen Saturation display.
2.
Press the Battery-Check button: "bAt" appears in the Oxygen Saturation display.
3.
Press the printer ON button: "On" appears in the Oxygen Saturation display. A
printer test pattern prints out; the following is an approximate example of the test
pattern:
Examine the test pattern to verify that all dots print with a uniform darkness. Overall printout
darkness can be adjusted; to adjust printer darkness, see paragraph 4.6.7. If printout darkness is
either irregular or dots are missing, contact Mallinckrodt's Technical Services Department or
Mallinckrodt's local representative for assistance.
1. Press the printer ADV button. "Ad" appears in the Oxygen Saturation display. Paper advances
one line for each button press.
2. Press the printer D/D button: "dd" appears in the Oxygen Saturation display.
3. End SRC-2 printer test.
3.3.5
Hardware and Software Tests
Hardware and software tests include the following:
Operation with a Pulse Oximeter Tester
Normal Operation
3.3.5.1 Pulse Oximeter Tester
1. Connect the Nellcor SRC-2 pulse oximeter tester to the monitor.
2. Set the switches on the SRC-2 as follows:
Switch
RATE
LIGHT
MODULATION
RCAL/MODE
3. Momentarily press the MEASURE button, and verify the following power-up sequence:
3-4
On
Ad
dd
Err
Setting
38
LOW
LOW
RCAL 63/LOCAL

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