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Operation
Software Overview
Power-Up Screen
Run Screen
3-6
Model 48i Trace Level-Enhanced Instruction Manual
The Power-Up screen is displayed on power up of the Model 48i Trace
Level-Enhanced. The Self-Test is displayed while the internal components
are warming up and diagnostic checks are performed.
Please wait while booting...
The Run screen displays the CO concentration. The status bar displays
zero/span sample solenoid valves, time, and alarm status. The word
"SAMPLE" on the display indicates the analyzer is in "SAMPLE" mode.
Other modes appear in the same area of the display as "ZERO" or
"SPAN".
When operating in dual or auto range mode two sets of coefficients are
used to calculate the CO "High" and "Low" concentrations. Also, two
averaging times are used—one for each range. The title bar indicates which
range concentrations are displayed. The words "LOW RANGE
CONCENTRATION" on the top of the display indicates that the low
concentration is displayed. In dual range mode, pressing the
arrows will toggle between high and low concentrations. The
example below shows the Run screen in single range mode.
and
Thermo Fisher Scientific
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Troubleshooting
