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On-Screen Manual
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Scanning Guide
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Correcting Images and Adjusting Colors with ScanGear (Scanner Driver)
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Setting Threshold
Setting Threshold
The brightness of color and grayscale images is expressed in a value between 0 and 255. However, in
creating black and white images, all colors are mapped to either black (0) or white (255). Threshold is
the borderline value that determines a color as black or white. By adjusting the threshold level, you can
sharpen text in a document or reduce show-through in newspapers.
This function is available when Color Mode is Black and White.
In ScanGear's Advanced Mode, click
(Threshold).
Adjusting Threshold
Move
(slider) to the right to increase the threshold value and thus increase the black areas. Move the
slider to the left to decrease the value and thus increase the white areas. You can also enter a value (0 to
255).
Note
Click Defaults to reset all adjustments in the current window.
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Sayfa 178 / 268 sayfaSetting Threshold
- Using Your Scanner Functions 1
- How to Use This Manual 2
- Operating the Contents Screen 3
- Printing This Manual 5
- My Manual 6
- Click Start Printing 7
- Execute print 7
- Click Start Searching 8
- Display the topic 10
- Symbols Used in this Document 11
- Trademarks 12
- Updating the Scanner Driver 14
- Using MP Navigator EX 15
- Scanner Driver Restrictions 17
- Placing Documents 19
- Placing Multiple Documents 20
- Navigation Mode Screen 21
- View & Use Window 22
- Let's Try Scanning 23
- Scanning Photos and Documents 26
- Click Specify 29
- Save the scanned images 30
- Click Next 33
- Easy Scanning with One-click 35
- Searching Images 37
- (Image Correction/ 38
- Click Exit 40
- Remover 42
- Adjusting Images 44
- File Name 48
- Shooting Date 48
- Start Search 49
- Creating Custom Categories 50
- Categories 51
- Printing Documents 52
- Editing Files 52
- Sayfa 53 / 268 sayfaSaving 53
- Sayfa 54 / 268 sayfaSaving 54
- Saving as PDF Files 55
- Click Save 56
- Creating/Editing PDF Files 57
- Click Print 61
- Sending via E-mail 64
- Converting documents to text 67
- " to scan images 68
- Passwords are case sensitive 71
- MP Navigator EX Screens 74
- Photos/Documents (Platen) 76
- (Switch Mode) 76
- Show this window at startup 76
- Recently Saved Images 77
- SCAN-1/SCAN-2 79
- Specify 81
- Scanning starts 82
- (Guide) 82
- Edit Tools 82
- Selected Images Area 83
- Document Size 84
- Scanning Resolution 84
- PDF Settings Dialog Box 90
- Security 91
- Thumbnail Window 94
- Create/Edit PDF file Window 96
- Save All Pages 97
- (Rotate Left) 97
- (Rotate Right) 97
- Print Document Dialog Box 98
- - Borderless Printing 99
- Restore the default settings 100
- Print Photo Dialog Box 101
- Orientation 102
- Vivid Photo 102
- Preview before printing 102
- Send via E-mail Dialog Box 103
- Correct/Enhance Images Window 104
- Manual Tab 105
- Brightness 106
- Contrast 106
- Defaults 106
- Correction/Enhancement 106
- Face Sharpener 107
- (Reduce) 108
- (Full-screen) 108
- One-click Mode Screen 109
- Related Topic 110
- Scan Settings 111
- Save Settings 112
- When Save as type is Auto 112
- Application Settings 113
- Page top 114
- Scan Settings Dialog Box 115
- Resolution 116
- Document Language 117
- Save Dialog Box 118
- Important 119
- File name 119
- Exif Settings Dialog Box 120
- PDF Dialog Box 121
- Save as PDF file Dialog Box 124
- " for details 125
- Mail Dialog Box 126
- OCR Dialog Box 129
- Scan Dialog Box 132
- Copy Dialog Box 135
- Printer Settings 136
- Print Dialog Box 138
- Print Layout Dialog Box 140
- Preferences Dialog Box 143
- General Tab 144
- Scanner Button Settings Tab 146
- On-Screen Manual 147
- Scanning Guide 147
- Starting MP Navigator EX 148
- Printing Photos 149
- Advanced Mode 150
- Auto Scan Mode 151
- Scanning in Advanced Mode 152
- Scanning in Auto Scan Mode 152
- Click the corresponding icon 153
- Start the application 154
- Scanning in Basic Mode 155
- Click Scan 156
- Click Preview 160
- Input Settings 161
- (Scanner Driver) 163
- Setting Items 164
- Set Unsharp Mask to ON 165
- Set Descreen to ON 165
- Correcting backlit images 166
- Color Adjustment 167
- Saturation 169
- Color Balance 169
- Red is increased 170
- Adjusting Histogram 173
- Moving the Mid-point Slider 174
- - Click 175
- Adjusting Tone Curve 176
- Overexposure (Convex curve) 177
- Underexposure (Convex curve) 177
- Setting Threshold 178
- Image Settings 179
- Basic Mode Tab 180
- Select an output size 181
- Adjust cropping frames 182
- Preview Area 183
- Advanced Mode Tab 185
- Color Adjustment Buttons 186
- This page appears 187
- Black and White 190
- Input Size 190
- Output Settings 191
- See " 192
- Preview Tab 192
- Reduce Dust and Scratches 194
- Backlight Correction 195
- Gutter Shadow Correction 195
- Settings List 198
- Auto Scan Mode Tab 200
- Scanner Tab 203
- Scan Tab 205
- Sayfa 206 / 268 sayfaScan Tab 206
- Color Settings Tab 207
- Monitor Gamma 208
- Selecting the best resolution 209
- Learning about file formats 209
- Adjusting Cropping Frames 210
- Deleting cropping frames 211
- File Formats 214
- Color Matching 215
- Other Scanning Methods 216
- Scanner Button Settings 219
- Click OK 220
- Click Preferences 221
- Scanning from an Application 223
- CanoScan (model name) 226
- Picture type 227
- Troubleshooting 228
- Installation Problems 229
- Setup CD-ROM 230
- Setup CD-ROM is 231
- Problems with Scanning 234
- Scanner Does Not Work 236
- Scanner Driver Uninstaller 237
- Screen Does Not Appear 239
- Windows XP: 243
- Check: Specify the scan area 244
- Slow Scanning Speed 247
- Upgrading Windows 250
- Software Problems 251
- - EUDORA 252
- Scanned Image Does Not Open 255
- MP Navigator EX Problems 256
- Delete ScanGear: 263
- Bundled Applications 266
- ArcSoft PhotoStudio 267
- If you do not agree 268
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