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ADJUSTMENT AND CALIBRATION PROCEDURES (continued)
5.6.2
Multispec Flowrate Adjustment
5.6.2.1
5.6.2.2
5.6.2.3
5.6.2.4
5.6.2.5
5.6.2.6
5.6.2.7
5.6.3
Oxygen Sensor Ambient Air Calibration
5.6.3.1
5.6.3.2
5.6.3.3
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Press the HI key on the multispec monitor panel. The
display window will show
Press the
or
key on the multispec monitor panel
until the test flowmeter reads 200 ml/min; then press the
DISPLAY key to store the calibration value. The display
02
window will show
Press the LO key on the multispec monitor panel. The
display window will show
Press the
or
key on the multispec monitor panel
until the test flowmeter reads 100 ml/min; then press the
DISPLAY key to store the calibration value.
Set the System Power switch to STANDBY, then return
it to the ON position.
Press the HI key and observe the test flowmeter, then
press the LO key. Verify that both flow rates are within
specification.
Disconnect the test flowmeter from the exhaust port on
the sensor interface panel.
Remove the oxygen sensor assembly from the inspiratory
valve dome and close off the dome with the inspiratory
valve dome plug.
Hold the sensor assembly away from any gas fittings to
ensure that it is exposed only to ambient air, and allow
it to stabilize for several minutes.
Press the O
CAL key. The yellow LED indicator in the
2
upper right corner of the key will then illuminate to
indicate that calibration has begun. The display window
will show three dashes during calibration, and the
messages O
NOT CAL and O
2
on the alarm CRT.
5-18
200
.
05
30
,
, or
.
100
.
ALRM OFF will appear
2
NM3
Rev. D
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Troubleshooting
