Honeywell BW GasAlertMicro User Manual page 54

GasAlertMicro
User Manual
The detector beeps four times and the auto zero
screen immediately displays.
Auto Zero and Oxygen (O
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 sensor.
2
N
3. The LCD flashes
beeps twice while the detector zeroes the toxic
sensors, and then calibrates the oxygen sensor.
44
) Sensor Calibration
2
Note
and the audible alarm
Auto Zero
Do not apply the calibration gas until the LCD
K
displays .
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.
Sensor Fail
Note