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Section 5 Comparing Measured Values (Previous Value Comparisons)
ZX-E
Operation Manual
Section 5
DETAILED SETTINGS
Comparing Measured Values
(Previous Value Comparisons)
Use the previous value comparison function to ignore gradual changes in measured values
over time, due to factors such as temperature drift, and only detect and judge sudden
changes.
The hold function must be set before previous value comparison can be set. The difference
from the previous hold value with a PASS judgement becomes the measured value. For
example, if the judgement for that previous measurement is HIGH or LOW, the comparison is
performed with the hold value before that.
The hysteresis width setting will be disabled if the previous value comparison function is used.
Hysteresis Setting, p. 102
Moving to FUN mode and SPCL
1. Set the mode switch to FUN.
2. Use the LEFT and RIGHT Keys to display
SPCL on the main display.
Hold value
Sudden change
Measured value
(after comparison
with previous val-
ue) X(n)-X(n-1)
Gradual change
HIGH threshold
Z166-E1-02A.book Page 88 Friday, June 3, 2005 4:18 PM
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