7.3.7 Setting pre-travel/post-travel
Pre-travel/post-travel can be set to “OFF” for cases where evaluation profile “R” is
selected and the measured surface is extremely short, etc. By setting
pre-travel/post-travel to OFF, the traversal length can be reduced by as much as the
length of the pre-travel and post-travel lengths, thus making it possible to measure the
narrow surface.
The factory-set default of the pre-travel and post-travel is set to “ON”.
IMPORTANT
• Set the pre-travel and post-travel to “ON” unless otherwise required. When pre-travel or
post-travel is set to OFF, very small errors may be introduced into the calculations due
to measurement differing from the standard.
• When the evaluation profile is “P”, “R-Motif”, or “W-Motif”, and “λs” is set to “NONE”, the
filter cannot be calculated and as a result, pre-travel/post-travel is fixed as “OFF”.
TIP
• For information about the traversal length, refer to "23.4 Traversal Length" (page 23-15).
■ Operating procedure (Refer to
7.2 “■ Accessing the Evaluating Condition Menu screen”)
Home screen to Main Menu ⇒ ⇒
Evaluating Condition Menu screen
1 Touch on the Evaluating Condition Menu screen.
Touching
cycles through the available settings,
ON and OFF.
No. 99MBB765A
7-30
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