7. MODIFICATION OF THE MEASUREMENT CONDITIONS AND EVALUATING CONDITIONS
7.3.5 Modifying the number of sampling lengths
With the SJ-410, the evaluation length (cut-off value x number of sampling lengths) is
derived from a number of sampling lengths 1 to 20 or an arbitrary length (“Opt Length”).
When the number of sampling lengths is set to “Opt Length”, the evaluation length can be
set to an arbitrary length.
NOTE
• When the evaluation profile is set to “R-Motif” or “W-Motif”, the number of sampling
lengths cannot be set.
■ Evaluation profiles and the number of sampling lengths
When the evaluation profile is changed, the number of sampling lengths is set to the
following initial values. These values can be modified as necessary.
Evaluation profiles Number of sampling lengths
P 1/Designate arbitrary length
R 5
DF 5
R-Motif Designate arbitrary length
W-Motif Designate arbitrary length
W 5
NOTE
• When “Opt Length” is selected, the evaluation length can be set to an arbitrary length.
For details, refer to
“7.3.6 Setting the evaluation length to an arbitrary length” (page 7-27).
• When GO/NG judgment is based on the 16% rule, 7 or more sampling lengths are
required.
If there are 6 or less sampling lengths, the result will be the same as that of Max rule.
No. 99MBB765A
7-25
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