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STB6684/A Operation Manual
4.2.1 COMP: ON/OFF
STB6684/A can set limits for 4 bins. The measure result can be divided into up to 5 bins
(from BIN1 to BIN2). If STB6684 has installed a HANDLER interface and is used in an
automatic test sorting system, the comparator function will be quite useful.
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NOTE: Comparator function is only usable in <MEASURE DISP>, <BARGRAPH DISP>
and <BIN DISP> pages.
Operational steps for comparator function ON/OFF:
1)
Move the cursor to COMP, the following softkeys will be displayed.
ON
OFF
2)
Use above softkeys to set the comparator function ON or OFF.
4.2.2 Limit mode of compare function
Compare function provides two modes as shown in figure 4-2-1.
Tolerance mode
Set the tolerance value of nominal value (nominal value is set in the NOM zone) as
compare limit value. There are two modes: one is percentage tolerance (% TOL)
and the other is absolute value (ABS TOL).
Sequential mode
The test range is set as compare limit value. The compare limit value must be set
based on the sequence from small to large.
Chapter 4 [SETUP]
◇ 32
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