GasAlertMicro
User Manual
The detector beeps four times and the auto zero
screen immediately displays.
Auto Zero and Oxygen (O
2
) Sensor Calibration
Note
At any point after the auto zero but before
calibration gas is detected, press
C
to bypass
calibration and proceed to the alarm setpoints.
The auto zero automatically zeros the toxic sensors and
calibrates the O
2
sensor.
3. The LCD flashes
N
and the audible alarm
beeps twice while the detector zeroes the toxic
sensors, and then calibrates the oxygen sensor.
Auto Zero
Sensor Fail
Note
Do not apply the calibration gas until the LCD
displays
K
.
Pass Code Protect Activated
After a successful auto zero and if the detector is pass code
protected, the LCD prompts for the pass code.
The pass code must be entered before proceeding to auto
span and alarm setpoints.
4. Use
G
or
H
to scroll to the correct pass code.
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