are turned on: LNCH BRK, ID DISP, CL RMNDR, and BP RMNDR Set to
CONFIRM
a. AttachtherubbernozzleorsamplehosetotheGX-2012’s quickconnectinletfitting.
b. Ifahoseisused,attachprobetohose.
c. ToturnontheGX-2012,pressandbrieflyholdthePOWERENTERbuttonuntilyouheara
beep.TheGX-2012willbegin itswarmupsequence.Thefollowingscreensmayappear
duringthewarmupsequence:
CALTIMEREMAINING(factorysettoappear)
•Iftheinstrumentifoverdueforcalibration,theGX-2012 displaysCAL.PresstheRESET
SILENCEbuttontocontinue.
•Calibrationshouldbeperformedassoonaspossible.
BUMPTIMEREMAINING(doesnotappearwithfactorysetting)
•Iftheinstrumentisoverdueforbumptesting,the
GX-2012displays“tEStB--Limit”.PresstheRESETSILENCEbuttontocontinue.
•Abumptestshouldbeperformedassoonaspossible.
SENSORFAILURE
•IftheGX-2012experiencesasensorfailureduringstartup,theLCDwilldisplayFAILand
indicatewhichsensor(s) failed.TocontinueoperationpressandreleaseRESETSILENCEto
acknowledgethefailure.Gasreadingsforthatsensorwillbereplacedby“---”.
•Itisnecessarytoreplacethesensorandrecalibrate beforetheGX-2012isused.
2. MeasuringModeScreen
a. AfterwarmuptheGX-2012willdisplaythefollowing:CH40%LEL,OXY20.9%,CO0ppm,
H2S0.0ppm(somereadings maynotappearifsensorsarenotinstalled).
b. Ifthereadingsarenotdisplayingfreshairvaluesasabove, youmustperformaFreshAir
Adjustment.
QuickReferenceGuideForModel
GX-2012
Note: Turn on and adjust the GX-2012 gas monitor in a known
fresh air area.
1.TurningtheGX-2012ON
Note: This start up sequence assumes the following maintenance mode items
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