Fluke 750SW, Руководство пользователя

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DPCTrack2
Users Manual
15-14
Its is important to note that if you elect to enforce a linear or square root relationship
between input and output values on an item’s record, that you are electing to do so in any
calibration records entered for the item as well. If “Linear” or “Square Root” is selected
for the Correlation to Output field on the Instrument’s record, then in the
CALIBRATION screen when you enter a new calibration record for it, you will be able
to modify any of the input values, but none of the output value cells in the grid will be
editable. Additionally, if any of the input values are modified, the corresponding output
values will automatically be recalculated to reflect the selected relationship.
15.2.2.7.3 Manual Correlation to Output
If you selected “Manual” for the Correlation to Output field, then clicking the Calculate
button provides you with six different options, two of which are “Auto-Assign Inputs,
calculate LINEAR outputs and limits” and “Auto-Assign Inputs, calculate SQUARE
ROOT outputs and limits”. Selecting either of these two options will fill in all of the
input and output values for you and calculate the low and high spec and control limits (if
applicable) all at the same time. Keep in mind that in order to utilize either of these two
functions, you must have entered data into all input and output range fields.
If you would like to enter your input values manually, you may do this and then click the
Calculate button to select “Calculate LINEAR outputs and limits” or “Calculate
SQUARE ROOT outputs and limits”. Selecting either of these two options will calculate
the output and limit values for each test point based upon the input values you entered
and the information entered into the fields in the gray area of the screen.
To have the system fill in only the grid’s input values, click the Calculate for this Group
button and select “Auto-Assign Inputs”. Selecting this option will instruct the system to
use a combination of the number of calibration points and the input range entered in the
gray area of the screen to calculate the input values for the calibration. If you prefer to
enter all input and output values manually, you may do this and then click the Calculate
button to have the system just calculate the high and low limits.
Again, if you have elected not to enforce any specific relationship between the
Instrument’s input and output values by selecting “Manual” for the Correlation to Output
field, then all of this information will be available for modification when entering a
calibration record for the Instrument, as well.
15.2.2.8 Modifying Data in the Calibration Specifications Grid
Once the calibration specifications grid is populated, the data shown may be modified
further. The In Type , Std Accy , In Res, Out Res and Out Type cells can only be modified
by activating each cell’s drop-down list. All other cells may be modified by typing over
the current value.
To activate a cell’s drop-down list, first click the cell to put it into focus, then click it a
second time (towards its right side). When the drop-down arrow appears, a third click
will drop the list down, allowing you to make another selection. You also have the ability
to widen any or all of the columns with your mouse, to facilitate easier viewing.
If you have made changes to the grid that will affect any of the input, output and/or limit
values, click the Calculate button again and choose the appropriate option to recalculate
these.
If after making modifications to the data in the calibration specifications grid, you decide
to change back to the default selections shown in the gray section of the screen, you may
do this very easily by clicking the Restore Defaults button. Clicking the Restore Defaults
button will invoke a box that gives you four different options, “Restore All”, “Restore
Input Signals to Defaults”, “Restore Output Signals to Defaults” and “Restore Accuracies
to Defaults”. Select the appropriate option from the list.
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