AutoRAE Lite User’s Guide97 Bump Testing & CalibrationBefore using the AutoRAE Lite, do the following checkout:• Make sure the calibration gas cylinder is attached and that the pressure gauge reads >50 psi.• Make sure the power LED is glowing green.• Make sure the air inlet is not blocked, and that a filter is attached.1. Turn on the ToxiRAE 3: Press and hold its [MODE] button.2. After the ToxiRAE 3 has started and displays a reading, press the [Y/+] button until its displayshows “Ir.”3. Firmly press the ToxiRAE 3 face-down in the dock on the AutoRAE Lite.The two LEDs above the buttons should glow green. If not make sure the ToxiRAE 3 is firmlyseated.4. Press “Bump” to perform a bump test, or press “Cal.” to perform a calibration.Note: During a bump test or calibration, the LED above the button turns off and the Bump status orCal. status LED blinks and is orange.You will be alerted when the bump test or calibration is complete. When the two indicator LEDsabove the buttons glow green, remove the ToxiRAE 3 from the dock.Pass: A green LED indicates the bump test or calibration was successful.