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Series 4060 Operation
Teledyne Analytical Instruments 57
the Span functions as described in Section 4.6.5, and
follow the precautions given there. Auto Span performs a
span calibration using the target span value set in the
Span feature menu.
Note: If you require highly accurate AUTOCAL timing, use
external AUTOCAL control where possible. The internal
clock in the Model 4060 is accurate to 2-3 %. Accordingly,
internally scheduled calibrations can vary 2-3 % per day.
To setup an autocal cycle for a span event to occur in a certain
number of days/hours:
From the Analysis Screen, press the UP or DOWN key to enter the
Setup Mode. The VFD will display the first 2 lines of functions
available.
______________________________________________
-> AUTOCAL
PASSWORD
______________________________________________
<UP/DOWN> If the arrow is not adjacent to the AUTOCAL menu item,
use the UP/DOWN keys to move the arrow to the proper
position.
<Enter> Press <Enter> to activate the function and move you to
the next screen.
Here are the autocal parameters (with an example of data). The
underlined items are modifiable (but not underlined in the actual
display):
________________________________________________
-> AS:3d 20h
AUTO SPAN Enabled
Span in 11
days
Span in 6
hours
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