Instruction Manual - Beta Industries

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3.5.7 Measurement Values 3.5.7.1 Dot area This value represents the area coverage of the measured patch. With the image analysis algorithm, dust and image errors are eliminated. 3.5.7.2 Screen ruling Depending on the settings, the screen ruling is displayed either in Lines/inch or Lines/cm. Important: The screen ruling is not shown for FM screening and for middle tones, especially for chain dots in AM screening. In a regular screen, the screen ruling will always be shown if the dot area has closed dots (highlights and shadows). 33/49
3.5.7.3 Dot diameter The diameter of the dots is displayed in µm. The calculation is based on a circular dot of the same surface area. Important: The dot diameter is not shown for middle tones, especially for chain dots in AM screening. In a regular screen, the dot diameter will always be shown if the dot area has closed dots (highlights and shadows). The image analysis algorithms make it possible to display the dot diameter for stochastic screen when the dot area is smaller than 10%. 3.5.7.4 Screen angle Hold the UltraDottie II parallel to the edge of the plate to get a correct value of the screen angle in degrees. Important: The screen angle is not shown for FM screening and for middle tones, especially for chain dots in AM screening. In a regular screen, the screen angle will always be shown if the dot area has closed dots (highlights and shadows). 34/49
Page 1 and 2: UltraDottie II CTP Calibrator Opera
Page 3 and 4: 1 TABLE OF CONTENTS 3 2 GENERAL 5 2
Page 5 and 6: 3.8 UltraDottie IIII MAINTENANCE AN
Page 7 and 8: 2 General 2.1 Introduction Dear Bet
Page 9 and 10: 2.2 Safety 2.2.1 Warning For safety
Page 11 and 12: 2.3 Packaging and transport Always
Page 13 and 14: 2.5.2 Beta Target (Optional) The Be
Page 15 and 16: 3.8 UltraDottie IIII MAINTENANCE AN
Page 17 and 18: 3.2 First steps for use Release the
Page 19 and 20: uttons (see section 3.1). The funct
Page 21 and 22: Screen ruling in (lines/inch) Regul
Page 23 and 24: Screen angle in ° Logarithmic Refl
Page 25 and 26: • Unit displayed (cm or inch) •
Page 27 and 28: on the X axis of the diagram. After
Page 29 and 30: symbol, the measurement must be rep
Page 31 and 32: 33.5.2 Calibration As the UltraDott
Page 33: transmission mode. This is why no c
Page 37 and 38: 3.6 Visually checking the dot After
Page 39 and 40: 3.7 Measuring a plate characteristi
Page 41 and 42: Example: Measuring a plate characte
Page 43 and 44: 3.8 UltraDottie II maintenance and
Page 45 and 46: 4 APPENDIX 35 4.1 TECHNICAL DATA 37
Page 47 and 48: Measurement technique Sensor CMOS 6
Page 49 and 50: 4.2 Serial interface The UltraDotti

Instruction Manual - Beta Industries

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