CHAPTER 2, INSTALLATION AND OPERATION
98307600 Rev. C-1 2-25
2.5.7 Output Test Menu
OUTPUT TEST MENU
PREPROCESSOR POTS
FLOW CONTROL POTS
VALVE TEST MENU
Figure 2-14. Output Test Menu
The OUTPUT TEST MENU reports readings for digital potentiometers and valves.
The FLOW CONTROL POTS menu does not appear on the B series analyzer.
2.5.8 Preprocessor Pots Screen
PREPROCESSOR POTS
MEASURE COARSE ZERO : 61
MEASURE FINE ZERO : 47
INPUT : 45
TEST REFERENCE : 0
TEST MEASURE : 0
REF. VOLTAGE 3.806 VOLTS
CO 0.00 PPM
CONC.VOLTAGE 1.514 VOLTS
Figure 2-15. Preprocessor Pots Screen
PREPROCESSOR POTS are electronically-controlled digital potentiometers used for
adjustments to operations of the preprocessor board. Each pot is set with digits
0-99 in a non-wraparound scrolling field.
MEASURE COARSE ZERO
Software-controlled pot for the coarse electronic zero of the measure channel.
MEASURE FINE ZERO
Software-controlled pot for the fine electronic zero of the measure channel.
INPUT
Sets gain for the input signal from the detector and is controlled by the
microprocessor board.
TEST REFERENCE
Software controlled pot for the gain of the reference channel. Used during
troubleshooting.
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