MeshGuard User’s Guide
38
9
Alarm Signal Summary
Alarm
Mode
When
LCD
Buzzer & LED
Over Range
Gas readings
exceed the
maximum value
of the sensor
3 beeps per second
High Alarm
> high alarm
setting
3 beeps per second
Low Alarm
> low alarm
setting
2 beeps per second
TWA
> TWA
setting
1 beep per second
STEL
> STEL
Setting
1beep per second
Zero Drift
< 0 ppm
1 beep per second
Battery Low
< 3.2V
1 beep per minute
Battery
Exhausted
< 3.1V
1 beep per second