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6.1 INSTRUMENT TURN ON / OFF
To turn the instrument ON, depress either pushbutton. Three successive “beeps”
will sound. The Red LED will flash and the vibration alarm will pulse for each
“beep.” The graphic display will show one of the following screens while the
instrument initializes. The sensor installed in the unit defines which display is
shown:
SCOTT INSTRUMENTS
For Toxic Gases MINI-SA VERSION X.X
<gas> SENSOR
INITIALIZING
All toxic gas screens appear similar, therefore wherever the symbol <gas>
appears on any of the graphic display screens in this manual, it will be substi-
tuted with the applicable toxic sensor (either CO, Cl
2
, ClO
2,
HCN, H
2
S, NH
3
,
NO
2
, NH
3,
PH
3
or SO
2
) installed in the instrument at the time. For some toxic
gases, the screen display will show 0.0 or 0.00 resolution.
The following toxic gas sensors are available in the MINI-SA:
CO = Carbon Monoxide
Cl
2
= Chlorine
ClO
2
= Chlorine Dioxide
HCN = Hydrogen Cyanide
H
2
S = Hydrogen Sulfide
NH
3
= Ammonia
NO
2
= Nitrogen Dioxide
PH
3
= Phosphine
SO
2
= Sulphur Dioxide
Refer to Section 9.0 for sensor specifications.
SCOTT INSTRUMENTS
For O
2
MINI-SA VERSION X.X
O
2
SENSOR
INITIALIZING
After a few seconds, the instrument will sound a single “beep” and go to the Operat-
ing Mode where the graphic display will show one of the following screens:
Note: If a new sensor is installed or if batteries have been removed for more
than a few minutes, the initialization sequence may take longer. If the