Hitachi TM3030 Plus Instruction Manual page 320

[Color]
Changes the display color of the image in the image view. Gray (256 shades of gray), Dark
Gray (180 shades of gray), Brown, Gold, Fluoresce, Sepia, Green, Blue, and Map are
available.
3. Measurement of Roughness
Selects the mode for setting the position of the profile where roughness is measured.
And display the roughness parameters.
 Line:
The blue horizontal line is displayed when clicking on the image view, and
the profile of the line is displayed in the profile view.
 Free:
When clicking two arbitrary points on the image view, a blue line
connecting the two points is drawn. The cross-section profile of the line is
displayed in the profile view.
 Display values: Displays the dialog that shows the measurement result of roughness by
selecting the [Display values] check box. The measurement result can be
deleted from the Measurement of roughness dialog by clicking the [Delete]
button after selecting the measurement result displayed on the dialog.
See 7.16 Displaying a Profile and Measuring Roughness Parameters, APPENDIX 1
Roughness Parameters.
Figure 7.10-6 Example of Measuring roughness
7 - 26