Canon PIXMA MX392 Manual - Page 130

Add/Delete Tone Curve Settings - reviews

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Adjust the brightness of an image by selecting the type of graph (tone curve) showing the balance of tone input and output. You can make fine adjustments to the brightness of a specific area. Adjusting Tone Curve • (Final Review) Make a final check of color adjustments. The final synthesized tone curve and the histogram derived from the subsequent image processing will be displayed. There are no settings to make in this screen. • For a color image, select a color in Channel to check either Red, Green, or Blue, or select Master to check three colors together. • If you place the cursor on the preview image, the portion will be enlarged and its RGB values (only L when Color Mode is Grayscale) before and after the adjustments will be displayed. • (Threshold) Set the boundary (threshold) at which black and white are divided. By adjusting the threshold level, you can sharpen text in a document or reduce show-through in newspapers. Setting Threshold • Custom You can name and save a set of tone curve and threshold settings of the Color Adjustment Buttons. Select Add/Delete... from the pull-down menu; when Color Mode is set to anything but Black and White, the Add/Delete Tone Curve Settings dialog box opens; when Color Mode is Black and White, the Add/Delete Threshold Settings dialog box opens. Enter Setting Name and click Add; the name appears in Tone Curve Settings List or Threshold Settings List. Click Save to save. To delete an item, select it in Tone Curve Settings List or Threshold Settings List and click Delete. Click Save to save the settings displayed in Tone Curve Settings List or Threshold Settings List. You can load and apply the saved tone curve/threshold settings to a preview image. To load the settings, select the saved item from the pull-down menu. Note Save up to 20 items. • Defaults

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Adjust the brightness of an image by selecting the type of graph (tone curve) showing the balance of
tone input and output. You can make fine adjustments to the brightness of a specific area.
Adjusting Tone Curve
•
(Final Review)
Make a final check of color adjustments. The final synthesized tone curve and the histogram derived
from the subsequent image processing will be displayed. There are no settings to make in this screen.
•
For a color image, select a color in
Channel
to check either
Red
,
Green
, or
Blue
, or select
Master
to check three colors together.
•
If you place the cursor on the preview image, the portion will be enlarged and its RGB values (only L
when
Color Mode
is
Grayscale
) before and after the adjustments will be displayed.
•
(Threshold)
Set the boundary (threshold) at which black and white are divided. By adjusting the threshold level, you
can sharpen text in a document or reduce show-through in newspapers.
Setting Threshold
•
Custom
You can name and save a set of tone curve and threshold settings of the Color Adjustment Buttons.
Select
Add/Delete...
from the pull-down menu; when
Color Mode
is set to anything but
Black and
White
, the
Add/Delete Tone Curve Settings
dialog box opens; when
Color Mode
is
Black and White
,
the
Add/Delete Threshold Settings
dialog box opens.
Enter
Setting Name
and click
Add
; the name appears in
Tone Curve Settings List
or
Threshold
Settings List
. Click
Save
to save.
To delete an item, select it in
Tone Curve Settings List
or
Threshold Settings List
and click
Delete
.
Click
Save
to save the settings displayed in
Tone Curve Settings List
or
Threshold Settings List
.
You can load and apply the saved tone curve/threshold settings to a preview image. To load the settings,
select the saved item from the pull-down menu.
Note
Save up to 20 items.
•
Defaults