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  1. To calibrate your MSA Altair 4XR gas monitor, follow these steps:
    1. Initiate Normal Reading Mode: Make sure you’re in a fresh-air environment free of hazardous gas.
    2. Enter Calibration Mode: Press and hold the "UP" arrow for 3 seconds.
    3. Confirm Calibration Mode: When prompted on the screen, press the center button once.
    4. Set Up the Regulator.
    5. Connect the Tubing.
    6. Apply Calibration Gas.
    7. Finalize Calibration123.
    Learn more:

    Calibrating Your MSA Altair 4XR Gas Monitor: Step-by-Step

    • Initiating Normal Reading Mode: Make sure you’re in a fresh-air environment free of hazardous gas. ...

    MSA Altair 4XR Calibration Guide - Jendc…

    www.jendcosafety.com/blog/msa-altair-4xr-calibrat…
    Once the MSA Altair 4XR is in normal reading mode, you need to send it into calibration mode. Do this by pressing and holding right "UP" button until it beeps at you and the screen asks you to zero the monitor (sensor refresh on the MSA Altair 4XR).

    Altair 4XR Gas Detector Information - Ide…

    idealcalibrations.com/altair-4xr-info/

    How do I calibrate the MSA Altair 4X?

    • Hold the UP arrow down for 3 seconds until ZERO CAL shows, ensuring you’re in a fresh-air environment whilst doing so
    • This asks if you’d like to go ahead with carrying out a zero calibration

    More items

    How Do I Manually Calibrate the MSA Alt…

    www.frontline-safety.co.uk/blog/msa-altair-4x-how-…
     
  2. msasafety.com
    https://docs.msasafety.com › en-us › Calibration_Setup.htm

    Calibration Setup - MSA Safety

     
  3. YouTube
    https://www.youtube.com › watch

    MSA Altair 4XR - How to Calibrate - YouTube