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Calibration Procedure
To calibrate the detector and set its alarm setpoints, perform
the following procedure.
To quit at any point after the auto zero, press F.
The detector retains any saved values and the
audible alarm beeps four times before the detector
returns to normal operation.
Start Calibration
Press C and H simultaneously. The display
1.
shows the following.
The audible alarm beeps once.
Note
Calibration and Setting Alarm Setpoints
Auto Zero and Oxygen Sensor Calibration
The display flashes N while the detector
2.
automatically zeroes the H
and calibrates the Oxygen sensor.
The audible alarm then beeps twice.
Auto Zero
Do not apply the calibration gas until the display
shows a flashing gas cylinder; otherwise, the auto
zero step will fail.
If a sensor fails, the display shows Err (error) and
skips the span for the failed sensor(s). Press F
to exit. Then restart calibration in an atmosphere
that is clear of the targeted gases. If the auto zero
fails a second time, restart the detector to test the
sensors.
GasAlertMax
S, CO, and LEL sensors
2
Sensor Fail
Note
35
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