2. Attach the hose.
3. Double press the button to enter the menu.
4. Hold the button to enter the bump test, then the slot LED starts flashing blue.
5. Apply span gas when the slot LEDs start flashing. The bump test starts after the instrument
detects gas. The four slots LEDs flash blue clockwise. After the bump test is completed, the
LEDs are solid green if calibration passed, or red if failed.
6. Remove the calibration cap; the detector starts purging, and the slots LEDs flash in yellow
clockwise. After the purge is complete, the device is back to the regular mode.
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