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Trace Oxygen Analyzer Operation
Teledyne Analytical Instruments 43
Use the __ arrow keys to enter the oxygen-concentration mode.
Use the __ arrow keys to blink the digit you are going to modify. Use
the __ arrow keys again to change the value of the selected digit. When
you have finished typing in the concentration of the span gas you are
using, press Enter to begin the Span calibration.
#### ppm Span
Slope=#### ppm/s
The beginning span value is shown in the upper left corner of the
display. As the span reading settles, the screen displays and updates
information on Slope. Spanning automatically ends when the span
output corresponds, within tolerance, to the value of the span gas
concentration. Then the instrument automatically returns to the analyze
mode.
4.4.2.2 MANUAL MODE SPANNING
Press Span to start the Span function. The screen that appears
allows you to select whether the span calibration is to be performed
automatically or manually.
Span: Settling:MAN
<ENT> For Next
Use the __ keys to toggle between AUTO and MAN span settling.
Stop when MAN appears, blinking, on the display. Press Enter to move
to the next screen.
Press Enter to move to the next screen.
Calib. Holding time
Cal hold: 5 min
This menu allows the operator to set the time the analyzer should
be held in the AUTO span mode. It does not have any effect in the
MANual mode. Just press Enter key to continue.
Span Val: 000008.00
<ENT>Span <UP>Mod #
Press _ (<UP>) to permit modification (Mod #) of span value.
Use the arrow keys to enter the oxygen concentration of the span
gas you are using. The __ arrows choose the digit, and the __ arrows
choose the value of the digit.