Omron F400 - INTRODUCTION Introduction Manual page 11

Red filter
Take an effect the same as us-
ing optical red filter.
Red will be displayed lightly.
Colorgray filter
The filter can be arranged according to the color
to be detected. Light will be changed in accor-
dance with hue.Use the filter with understand-
ing of peculiarity of color.
Peculiarity of color (p.39)
Appendix
(Ex.) Measured color: red
10
<Color filters>
Color image read by camera
Green filter
Take an effect the same as us-
ing optical green filter.
Green will be displayed lightly.
Blue filter
Take an effect the same as using
optical blue filter.
Blue will be displayed lightly.
Gray filter
Gray filter will convert the image into former
gray image (monochrome image based on light
and shade of color).Use this filter when mea-
surement monochromatic image such as black,
white and gray.