MSA FiveStar Specifications download pdf (Page 18)

OPERATION MSA

18 ALTAIR PRO - Operating Manual

3.2. Turning ON the Instrument

Before the instrument can be used for monitoring possible toxic gases in

the atmosphere, it must be commissioned ( Fig. 4).

(1) Press and hold the button for 3 seconds.

 "

ON" displays during this time period.

The Steel Mill version cannot be turned OFF without removing the battery

or using MSA FiveStar

Link

™

Software.

 An LCD functional test activates all display indicators.

 Acoustic alarm sounds, alarm LEDs light up and vibration alarm is

triggered.

 The software version is displayed for approx. 3 seconds.

 The gas type is displayed for approx. 3 seconds more

(O2, H

S, CO, SO

, NO

, etc).



LO and ALARM as well as HI and ALARM are displayed alternately for

approx. 3 seconds.

 STL and ALARM followed by the STEL alarm setpoint are displayed for

approx. 3 seconds.



TWA and ALARM followed by the TWA alarm setpoint are displayed for

approx. 3 seconds.

During the display of

LO,HI,STL,TWA and ALARM the

corresponding setpoints can still be changed ( Fig. 4).

(2) If Calibration Due (CAL DUE) is enabled via MSA FiveStar

Link

™

Software

(default is

OFF):

 "

CAL" and the hourglass display.

 If calibration is due, "

DUE" and the hourglass display for three seconds.

The instrument beeps and flashes "CAL" "DUE" every minute until

instrument calibration is performed.

 If calibration is not due, the hourglass, number of days to calibration, and

DAYS" display.

(3) User is prompted for a Fresh Air Setup (FAS).

 "

SET", "?" and "FAS" display.

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MSA FiveStar Specifications Page 18

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