HP Scanjet 7450c HP Scanjet 7400C Series Scanner Mac - (English) User Manual - Page 74

Adjusting shadows for transparent items, Viewing RGB values and pixel color, Shadows, Advanced

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74 Using accessories Adjusting shadows for transparent items You can adjust shadows to lighten or darken the dark areas. The range for the number in the Shadows field is -100 to 100. To lighten darker areas 1 On the Advanced menu, click Adjust Exposure. 2 Do one of the following: q Drag the Shadow slider to the right. q Type a higher number in the Shadows field and press ENTER. To darken darker areas 1 On the Advanced menu, click Adjust Exposure. 2 Do one of the following: q Drag the Shadow slider to the left. q Type a lower number in the Shadows field and press ENTER. To return to the default settings 1 On the Advanced menu, click Adjust Exposure. 2 Click Auto to return the midtone, highlight, and shadow settings to the defaults for this transparent item. Back to TOC Viewing RGB values and pixel color You can view the RGB values and pixel color for any spot in an image, color or grayscale, using the RGB Meter. To view RGB values and pixel color 1 On the Advanced menu, click Adjust Exposure. 2 Move the cursor over the area in the item for which you want to see the values. The values appear in the RGB area. A line appears in the histogram to show you where those pixels occur.

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74
Using accessories
Back to TOC
Adjusting shadows for transparent items
You can adjust shadows to lighten or darken the dark areas. The range
for the number in the
Shadows
field is -100 to 100.
To lighten darker areas
1
On the
Advanced
menu, click
Adjust Exposure
.
2
Do one of the following:
●
Drag the Shadow slider to the right.
●
Type a higher number in the
Shadows
field and press
E
NTER
.
To darken darker areas
1
On the
Advanced
menu, click
Adjust Exposure
.
2
Do one of the following:
●
Drag the Shadow slider to the left.
●
Type a lower number in the
Shadows
field and press
E
NTER
.
To return to the default settings
1
On the
Advanced
menu, click
Adjust Exposure
.
2
Click
Auto
to return the midtone, highlight, and shadow settings to
the defaults for this transparent item.
Viewing RGB values and pixel color
You can view the RGB values and pixel color for any spot in an image,
color or grayscale, using the RGB Meter.
To view RGB values and pixel color
1
On the
Advanced
menu, click
Adjust Exposure
.
2
Move the cursor over the area in the item for which you want to see
the values. The values appear in the RGB area. A line appears in
the histogram to show you where those pixels occur.