Gestetner B147 Service Manual page 493

ID Max.
This mode adjusts the total image density
as shown in figure 3.
Shadow (High ID)
The High ID mode adjusts the image
density between Level 6 and Level 9 of the
color gradation scale on the C-4 test chart
(figure 4).
Middle (Middle ID)
The Middle ID mode adjusts the image
density between Level 3 and Level 7 of the
color gradation scale on the C-4 test chart
(figure 5).
Highlight (Low ID)
The Low ID mode adjusts the image density
between Level 2 and Level 5 of the color
gradation scale on the C-4 test chart (figure
6).
SM
Fig. 3
Fig. 4
Fig. 5
Fig. 6
6-35
IMAGE PROCESSING
B146D516.WMF
B146D517.WMF
B146D518.WMF
B146D519.WMF
B147/B149/B190