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 |
| 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, Cl2, ClO2, HCN, H2S, NH3, NO2, NH3, PH3 or SO2) 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
Cl2 = Chlorine
ClO2 = Chlorine Dioxide
HCN = Hydrogen Cyanide
H2S = Hydrogen Sulfide NH3 = Ammonia
NO2 = Nitrogen Dioxide PH3 = Phosphine SO2 = Sulphur Dioxide
Refer to Section 9.0 for sensor specifications.
SCOTT INSTRUMENTS
For O2 |
| VERSION X.X |
O2 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
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