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Operation
After pressing the SPAN button, the mode selection screen appears:
where Manual and Automatic can be toggled back and forth using the
▲/▼ arrow keys. Once the proper mode is displayed, press ENTER.
The following screen appears:
This screen allows the user to input the known concentration of the
span gas used. Uuse the ▲/▼ arrow keys to enter the span gas
concentration. Press ENTER when finished.
4.5.2.3.1 Manual Span
If manual span mode was selected, the following screen appears:
In the Manual Mode, the user has the opportunity to decide when
the span settling is close enough to the actual concentration to be valid.
When the value is sufficiently close to the known concentration and
sufficiently stable, press ENTER to accept the span calibration.
4.5.2.3.2 Auto Mode Span
If AUTO mode was selected from the Span Mode Selection screen
the following screen appears:
The time value displayed at the right count down to zero from the
value currently held in Calholdtimer. See Section 4.5.1.9.
When the counter reaches zero, the display switches to display the
live adc change count.
Teledyne Analytical Instruments
Select Span
Mode : Manual (Auto)
Span
<ENT> to begin Span
39.25
m
p
p
<ENT> to Finish
Span Settling:
Model 2120XL
100.0
m
p
p
0:58
58
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