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Teledyne API Model 401 O
3
Photometric Calibrator Instruction Manual, 01124, Rev. J2
Figure 2-2: Illustration Of Normal Display
If TEST is pushed, the upper center display cycles through the menu of test parameters, e.g.
Sample flow (see Table 2-3).
If STBY is pushed, the calibrator is in stand-by mode.
If ZERO is pushed, the sequence of operations for generating ZERO gas is initiated.
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GN is used to initiate span setting using sample gas, such as during a formal calibration.
Pushing ASEQ will initiate multi-point calibration if it is preset. (see Section 3.4)
Pushing MSG will cause a message to appear on the upper center display if warning exits (also
red status led will be blinking).
Pushing CLR will erase a message, provided the condition causing the message has ceased.
Pushing SETUP changes the function of the pushbuttons and is used for setting basic parameters
as described in Section 4.
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