every second with the gas level. To clear the alarm, wait 5 seconds and “Clr” will be
displayed, press the button 1 time.
Over Range Alarm –
The display will flash showing the highest value in the range of
the sensor (995ppm CO). The buzzer, red LED and vibrator will be activated.
Low Battery Alarm –
The LCD will display bAt and the buzzer, red LED and vibrator
will sound. Press the button to silence the alarm and do not use the unit until the battery is
replaced by a 3M Certified Service Center.
© 3M Company February, 2008. All rights reserved.
