Using The Orion Plus; Turning On The Orion Plus; Fresh Air Setup (Fas) - MSA ORION plus Betriebsanleitung

2 Using the ORION plus
2. Using the ORION
When used properly, the ORION
and vapours and to atmospheres that are rich or deficient in oxygen. It will also alert
you to the presence of carbon monoxide and hydrogen sulfide, if it is equipped with
sensors for those gases. These conditions are displayed clearly and simultaneously on
the face of the instrument.
2.1 Turning on the ORION
To turn ON the ORION
- Push the ON-OFF button.
The instrument now performs a Self-test where the:
- display check occurs,
- audible alarm sounds,
- alarm lights illuminate,
- display backlight illuminates,
Once the Self-test is complete, the ORION
fresh air setup.

2.1.1 Fresh Air Setup (FAS)

(for automatic zero calibration of the ORION
The Fresh Air Setup (FAS) function has safety limits. If a hazardous level of gas is
present, the ORION
- To perform a Fresh Air Setup, push the RESET button.
- To immediately skip the FAS, push the Info button.
- If no key is pressed, the device will change to measuring mode without fresh air
calibration after 5 s.
8
plus
plus will alert you to the presence of combustible gases
plus
plus
:
plus enters the
plus
plus
ignores the FAS command and goes into alarm.
, excluding the CO measuring range)
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