HP 4400c Series Manuel d'utilisateur télécharger pdf (Page 83)

Back to TOC Using accessories 83

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 Click . The cursor changes to an eyedropper.

3 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.

4 When finished, click again.

1 2 ... 78 79 80 81 82 83 84 85 86 87 88 ... 139 140

HP Scanjet 4400c scanner 4
HP Scanjet 4470c scanner 5
HP Scanjet 5400c scanner 6
HP Scanjet 5470c scanner 7
HP Scanjet 5490c scanner 9
1 Getting started 11
Getting started 13
Where do I start? 14
Selecting and preparing items 15
Items for the ADF 16
Items for the XPA 16
Completing your first scan 17
Frequently asked questions 20
Back to TOC 23 23
Overview of scanner buttons 24
Scanning to another program 27
Sending a scan to a website 28
Scanning for photo reprints 29
Sending a scan using e-mail 30
Naming e-mail attachments 32
Printing copies 33
E-mail tab options 35
General tab options 37
Pro software 39
Guided Steps 40
Smart Friends 40
Online Help 40
What’s This? Help 40
Performing a new scan 41
To change the selection area 42
To move the selection border 42
Selecting output type 43
Making optional adjustments 45
Changing resolution 46
Changing contrast 46
Rotating an image 47
Sharpening an image 48
Resetting all adjustments 48
Changing midtones 50
Changing highlights 51
Changing shadows 52
Checking for clipped areas 53
Setting pixel output levels 54
Viewing RGB values and pixels 55
About the histogram 56
Changing the hue 56
Changing the saturation 57
Descreening images 60
Completing the final scan 61
Saving to a file 62
List of file types 63
Printing 64
Placing a scan on a website 64
Desktop or a folder 66
Scanning to CD 66
Other features and tips 67
Saving settings 68
Setting preferences 68
Scanner tab options 69
Selection Area tab options 70
Resolution tab options 70
Text tab options 70
Controls tab options 71
Using accessories 75
Scanning from the ADF 76
Scanning from the XPA 77
Scanning negatives 79
Checking the basics 85
Starting troubleshooting 86
Resolving scanner messages 87
Resolving issues sending to 97
Resolving issues with the XPA 100
Resolving issues with the ADF 101
Clearing jams from the ADF 102
Cleaning and maintaining 105
Cleaning the XPA 106
Cleaning the ADF glass 106
Uninstalling the software 107
Back to TOC 109 109
Adding tools to the toolbar 114
Info bar 114
Status bar 115
Context-sensitive cursors 116
Glossary 117
Back to TOC 136 134
Back to TOC 137 135
Back to TOC 138 136
Back to TOC 139 137
Back to TOC 140 138
Back to TOC 141 139
Back to TOC 142 140

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HP 4400c Series Manuel d'utilisateur Page 83

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