7Equipment Checklist for Dry GasSensitivity Check/CalibrationThe PAS V Passive Alcohol Sensor FlashlightThe Calibration Connector Tube. (This connects the regulator of thedry gas to the intake port of the PAS V)Ethanol Dry Gas Standard (0.005% or 0.01%)1.5 LPM Trigger or Push Button RegulatorAll of the necessary supplies are available from PAS Systems International.Call 800-660-7643Readying the PAS V1. Be sure the battery is installed and fully charged, with the flashlight ON. Thereshould be no blinking red battery light.2. Inspect the inlet/outlet ports of the PAS V to make sure that they are not clogged.3. Conduct an air blank:a. Turn on the flashlight and wait a minimum of 1-2 minutes for initialization processto complete.b. Take an air sample by pressing the Sensor Control Button; the green indicatorlight comes onc. Observe the light bar for 15-20 seconds. If only the small green samplingindicator light comes on, the air blank check is OK.4. Clear a fuel cell overload (if one or more of the bar-graph indicatorlights comes on during air blank):a. Turn the flashlight on to activate fuel cell heater (check that the HTR light is on).This speeds the cell’s response, clearance and recovery time.b. Turn off the PAS V. This also speeds the recovery of the fuel cell.