GasAlertMicro 5/PID/IR
User Manual
12
Activating the Detector
If using the pump module, attach it and the pump accessories prior to 
activating the detector.
For illustrations and procedures, refer to the following:
• Installing the Pump Module
.
• Attaching the Sample Probe
• Replacing the Pump Filter
• Replacing the Pump Nozzle
• Attaching the Auxiliary Filter
Note
Only activate the detector in a safe atmosphere that is free of 
hazardous gas in an atmosphere of 20.9% oxygen.
To activate the detector, press A.
Self-Tests
When the detector is activated, it performs several self-tests. Confirm
the following tests occur.
Note
If an error message displays during the self-test, refer to 
Troubleshooting
.
Battery Test
The detector performs a battery test during startup. If the battery has 
insufficient power to operate, the following screen displays before 
deactivating.
Replace the batteries and reactivate the detector.
1. All of the LCD elements display simultaneously as the detec-
tor beeps, flashes, vibrates, and briefly activates the back-
light.