Epson Expression 1600 Betriebsanweisung PDF herunterladen (Seite 30)

Scanning Basics

1-21

R4C0910

long.bk Rev. C

A5 size BASIC.FM

1/12/00 Pass 2

Proof Sign-off:

M.Fujimori _______

J.Hoadley _______

4. Use the

Threshold

slider to change the threshold value,

monitoring the results of your changes in the Preview

window. Adjusting the threshold value can make it easier for

OCR to recognize characters.

If you still have problems...

1. In the EPSON TWAIN Pro window, increase the Resolution

value to 400. Remember that scanning at higher resolution

takes longer and may not greatly increase the recognition rate.

2. If you still have problems, try using the enhancement tools in

your OCR software to make adjustments.

Image Controls dialog box

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 95 96

Scanner Software 1
Contents 4
Introduction 8
About This Guide 9
Scanning Basics 10
Main window 11
Preview window 12
Optimizing Image Scanning 13
Manually optimizing images 14
Displaying a preview image 15
Adjusting the Shadow Setting 17
Adjusting the Gamma Setting 18
Applying a Preset Tone Curve 19
1-12 21
Flat Contrast 21
High Contrast 21
Open Shadow 22
1-14 23
Using the Tone Curve 24
1-16 25
Channels 26
Tone curve editor 26
Output values 26
Saving your own tone curve 27
Optimizing OCR Scanning 28
1-20 29
If you still have problems 30
1-22 31
Features 32
Overview 33
EPSON TWAIN Pro Main Window 34
Document Sources 35
Image Types 36
Image Type button 38
B/W Options: 40
Destinations 41
Destination list 42
Destination button 43
Unsharp Mask 44
Changing Resolution 45
Source and Target image sizes 45
Width and Height menu: 46
Units menu: 46
Storage size indicator: 46
2-16 47
Lock button: 47
Scale slider: 47
Scale indicator: 47
Previewing Images 48
2-18 49
Zoom preview button 50
Return to full preview button 50
Marquees 51
Multiple marquees 52
2-22 53
Resizing marquees 53
Moving marquees 53
Marquee buttons 54
Delete marquee button 54
Duplicate marquee button 54
Auto locate button 55
Marquee number indicator 56
Using the Adjust Buttons 57
Image Controls 58
2-28 59
Exposure: 59
Highlight: 59
Tone Correction 60
2-30 61
Tone Curve editor: 61
Output options: 62
Channels options: 62
Tone correction list: 62
Color Adjustment 63
Saturation: 64
Settings 65
Configuration 67
2-38 69
ColorSync (for Macintosh): 69
Eyedropper Sampling Area: 69
Scan All 70
2-40 71
Calibrating Your System 72
Calibrating Your Screen 73
For Windows 98 users 74
3-4 75
3-6 77
For Macintosh users 78
For Windows 95 users 79
3-10 81
Troubleshooting 82
Problems and Solutions 83
Scanning Problems 83
Scanned image is too large 84
4-4 85
Software Operation Problems 86
4-6 87
Glossary 88
-2 89
-4 91
Reference Guide 96

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