Casio FX-7400GII User Manual download pdf (Page 446)

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101

k Zero Adjusting a Custom Probe

This procedure zero adjusts a custom probe and sets its intercept value based on an actual

sample using the applicable custom probe.

To zero adjust a custom probe

1. Connect the calculator and Data Logger, and connect the custom probe you want to zero

adjust to CH1 of the Data Logger.

2. What you should do first depends on whether you are configuring a new custom probe for

zero adjusting, or editing the configuration of an existing custom probe.

If you are configuring a new custom probe:

• Perform steps 1 through 6 of the procedure under “To configure a custom probe setup”

on page 4-1.

• Auto calibrate will automatically set the intercept, so you do not need to specify it in step

6 of the above procedure.

If you are editing the configuration of an existing custom probe:

• Perform steps 1 through 3 of the procedure under “To edit a custom probe setup” on

page 4-6.

3. Press 3(ZERO).

• This will start the sampling operation with the sensor connected to Data Logger’s CH1,

and then display a screen like the one shown below.

4. At the point your want to perform zero adjustment (the point that the displayed value is

the appropriate zero adjust value), press w.

• This will return to the custom probe setup screen.

• The E-CON3 will set the intercept value automatically based on the sampled value. The

automatically configured value will appear on the custom probe setup screen, where you

can view it.

5. Press w, and then input a memory number from 1 to 99.

• This saves the custom probe setup and returns to the custom probe list.

4-5

Using a Custom Probe

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