Nellcor N-180 Service Manual page 77

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15.
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Section 7: Performance and Safety Tests
Press and hold HIGH SAT
button.
Press and hold LOW SAT
button.
Press and hold HIGH RATE
button.
Press and hold LOW RATE
button.
Press and hold audio alarm off
button.
Verify OXYGEN SATURATION
displays an alarm limit of 100.
Verify OXYGEN SATURATION
displays an alarm limit of 85.
Verify PULSE RATE displays an
alarm limit of 140.
Verifÿ PULSE RATE displays an
alarm limit of 55.
Verify OXYGEN SATURATION
display reads 60 and that
PULSE RATE display reads
"SEC.
Neonate defaults and alarm limit ranges
Perform the steps in the following table to check the neonate defaults
and alarm limit ranges.
1. Set A(dult) Neo Alarm DIP Verify NEO NATAL indicator
switch on rear panel to Neo lights.
2. Press and hold HIGH SAT Verify OXYGEN SATURATION
button. displays an alarm limit of 95.
8. Press and hold HIGH SAT Verify OXYGEN SATURATION
button; rotate control knob display reduces to a minimum of
counterclockwise. 80.
4. Press and hold LOW SAT Verify OXYGEN SATURATION
button. displays an alarm limit of 80.
5. Press and hold LOW SAT Verify OXYGEN SATURATION
button; rotate control knob display reduces to a minimum of
counterclockwise.
6. Press and hold HIGH RATE Verify PULSE RATE displays
button. an alarm limit of 200.
7. Press and hold HIGH RATE Verify PULSE RATE display
button; rotate control knob reduces to a minimum of 100.
counterclockwise.
8. Press and hold LOW RATE Verify PULSE RATE displays
button. an alarm limit of 100.
9. Press and hold LOW RATE Verify PULSE RATE display
button; rotate control knob reduces to a minimum of 20.
counterclockwise.
10. Place ON/STDBY switch to Observe monitor front panel;set
STDBY. ON/STDBY switch to ON. Mon-
itor must perform sequence
described in self test procedures
in this section.
11. Press and hold HIGH SAT Verify OXYGEN SATURATION
button. displays an alarm limit of 95.
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