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Operation Model 7600
Teledyne Analytical Instruments 76
Auto calibration
Figure 3-11: Output Hold for Auto Calibration
External hold
Figure 3-12: Output Hold for External Hold
Screen display during hold
For Auto calibration and external holds, the “on Hold” message
will be shown blinking on the measurement screen.
In a manual calibration, the screen displays the process of
calibration so the “on Hold” message is not displayed even if the output
signal is held. However, “on Hold” message is displayed during the hold
extending time shown in Figure 3-10.
For both manual and auto calibration, if the calibration is cancelled
after the calibration gas has been directed to the analyzer, the hold
extending time will be performed.
There are two types of hold values that you can use: “current” or
“setting”. Current uses the existing value immediately before entering
output hold, while “setting” uses an arbitrary value that you set before
initiating the hold.
To change or set the value for a hold: