Pantone X-Rite eXact 2 Скачать руководство пользователя страница 26

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X - R i t e e X a c t 2

Polarizer:

Displays the device filter status. Options are Standard or Xp.

Device Status:

Battery Gauge

: Depicts the current condition of the battery pack.

Indicates the battery pack is fully charged.

Indicates the battery pack has a sufficient charge for a substantial number of
measurements.

Warning state: Indicates the battery pack is low, but measurements are still possible.
Battery pack should be charged soon.

Alert state: Indicates the battery pack is

very

low and only a few measurements

remain. Battery pack should be charged immediately.

Indicates the AC adapter is plugged into the docking station and the battery pack is
charging after it was in warning state.

Indicates the AC adapter is plugged into the docking station and the battery pack is
charging after it was in alert state.

Calibration icon

: The calibration icon

indicates the current calibration status. A white icon

indicate that the calibration is current, and the segments around the circle indicate when

the next calibration is required. A red icon

indicates that a calibration is required.

Wi-Fi Connection icon

: The Wi-Fi icon appears when the option is activated in the Settings.

Refer to Setting Mode for information on activating.

Indicates Wi-Fi is on, but the device is not connected to the network.

Indicates Wi-Fi is on and connected to the network. The number of arches indicates
the signal strength.

No icon indicates Wi-Fi is off.

NetProfiler icon

(if applicable): The NetProfiler icon

indicates if the profile is active, out of

date, etc.

USB icon:

The USB icon

appears when the device is plugged into the USB port on the

computer.

Restore To Factory Defaults

This option is used to restore the device back to the default settings.

The restore process takes several minutes (approximately 5 minutes) while the device is rebuilding the
database. The display shows a message indicating progress and a scroll wheel.

Содержание X-Rite eXact 2

Страница 1: ...User Guide ...

Страница 2: ......

Страница 3: ...evice pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference w...

Страница 4: ...onformité à l exposition aux radiofréquences RF d appareils de communication radio toutes les bandes de fréquences selon ISDE Canada pour une utilisation portative Néanmoins l appareil doit être utilisé de manière à minimiser le potentiel de contact humain pendant la transmission Wi Fi Japanese Ministry of Internal Affairs and Communications MIC Contains SRRC State Radio Regulation of China Certif...

Страница 5: ...caused by use of any parts or consumables not manufactured distributed or approved by X Rite v any attachments or modifications to the warranted goods that are not manufactured distributed or approved by X Rite Consumable parts and Product cleaning are also not covered by the warranty X Rite s sole and exclusive obligation for breach of the above warranties shall be the repair or replacement of an...

Страница 6: ... Interface 16 eXact 2 Menu 16 Navigating the Screen 16 Opening Tools 16 Selecting a Tool 17 Opening and Closing the Targeting Window 17 Opening Settings 17 Initial Wizard Setup 17 Basic Sample Measurement Technique 19 Device Settings 21 Wi Fi 21 Power Settings 22 Display Settings 22 Sounds 22 Language 23 Date and Time 23 Regional Settings 23 Polarizer Filter Status 23 Device Name 23 Registration Q...

Страница 7: ...ion 33 Active Delta E Method 34 Delta E Constants 34 Averaging 34 Sample Functions 34 Available Color Functions 34 Density Display Settings 35 Graph View 35 Measurement Procedure 36 Data Display 37 Color Library and Standard Selection 38 Digital Loupe 39 Jobs 40 Main Screen 40 Job Settings 40 Auto Patch 41 Create OK Sheet 41 Reset Job 41 Sample Storage 41 Averaging 41 Function Settings 41 Job Temp...

Страница 8: ...electing PantoneLIVE Libraries 50 Calibration 51 Calibration Settings 51 Calibration Valid Hours 51 Calibration Warning Timer 1 mins 51 Calibration Warning Timer 2 mins 51 Auto Calibration when docked 51 Performing a Calibration 52 NetProfiler 53 Digital Loupe Manager 54 Selecting an Image to View 54 Deleting Images 54 Scan 55 Operation 55 Best Practices 55 Performing a Color Bar Measurement 55 Sc...

Страница 9: ...sity Functions 65 Absolute Color Strength 65 All Densities 65 BestMatch 65 Brightener Index 65 CIE L a b 65 CIE L C h 66 CIE XYZ 66 CIE Yxy 66 Contrast 66 E Trend 66 Density 66 Density CIE L a b 66 Density CIE L C h 66 Density Balance 66 Density Trend 67 G7 Graybalance 67 Graybalance QC 67 Hue Error Grayness 67 Inks QC 67 Metamerism 67 Opacity 67 Paper QC 67 Printing Plate 67 Reflectance Graph 67 ...

Страница 10: ...3 not in eXact 2 Xp BestMatch function to quickly and easily determines if satisfactory matches on press can be achieved Video targeting Integrated scanning Full solution including software to manage device and transfer measurement data Media flattener Power button USB C input Measure button Tilt display screen White tile under cover Brake button Docking Station Security cable opening Filter glass...

Страница 11: ...onal Xp filter glass eXact 2 Plus only Carrying case Documentation Power Button The power button is used to initiate the device from a power off state Simply press the button to turn on the device If the device does not power up after pressing the power button the batteries may require charging Refer to Charging the Battery Pack When powered up the device goes through a diagnostics test and displa...

Страница 12: ...ry pack for your new device comes in a low to medium charge state and should be charged a minimum of three hours before use Refer to Connecting the Power Supply section that follows for information on charging the battery pack A charged battery pack may eventually lose partial charge if not used for an extended amount of time You should charge the battery from time to time when not in use to maint...

Страница 13: ...battery is fully charged A charging indicator 5 is also located on the back of the device This indicator will illuminate orange when the battery is charging The indicator will change to green when the battery is fully charged The docking station LED will change to blue when the battery is fully charged and the charging indicator is off NOTE You can purchase an optional power supply or a USB power ...

Страница 14: ...s The device LED turns off Red solid Foreign object detected Connecting the USB Cable IMPORTANT You must install the software driver before connecting the device to your computer The device communicates with the eXact 2 Suite software through a type USB C cable or over a Wi Fi connection if applicable Refer to the Wi Fi Wireless Mode section for more information 1 Install the eXact 2 Suite if not ...

Страница 15: ...lattener is in its retracted position 2 Remove the standard filter glass by pushing the tab 1 on the filter towards the back of the device Lift the filter glass up holding the outer edges NOTE Do not touch the filter glass directly with your fingers to avoid finger prints and smudges on the glass 3 Carefully lift the installed filter glass 2 out of the optics area using the tab 4 Remove the other ...

Страница 16: ...s in the Device Settings 7 Turn the device right side up again 8 Tap the icon in the upper left corner of the screen to open the eXact 2 menu 9 Swipe up on the eXact 2 menu list and tap Device Settings 10 Swipe up and tap Polarizer Status 4 11 Match the polarizer setting 5 to the filter you are currently using Refer to Polarizer Filter Status in the section Device Settings for more information 3 4...

Страница 17: ...and transfer the data directly to an application such as Microsoft Excel Transfer color libraries jobs and firmware to and from X Rite Link fleet management Manage and transfer PantoneLIVE libraries Manage and transfer Digital Loupe images from the device System Requirements Windows 10 Windows 11 all 32 or 64 bit macOS 10 15 macOS 11 macOS 12 2 GB RAM 4 GB hard disk free Installing the eXact 2 Sui...

Страница 18: ...ol to use multiple configurations or fixed color libraries NOTE My Tool is a custom version of Color tool and can be created on the instrument or with eXact 2 Suite 2 Utilities Calibration Display information about the device calibration status Digital Loupe Open the Digital Loupe Manager to view images you captured of your live targeting area NetProfiler Display information about your current Net...

Страница 19: ...ount of time See Device Settings section for additional details on setting a targeting timeout Opening Settings Many tools have their own settings in the device Tap the Settings icon 1 in the upper left corner of the screen to open the Settings screen Once open tap the desired setting 2 you want to change A description of each available setting is listed in the corresponding section of each tool I...

Страница 20: ... the list NOTE Tap Skip if you do not wish to setup Wi Fi at this time Wi Fi can also be setup in Device Settings at a later time 5 To setup Wi Fi tap the icon to toggle to Enabled Select Wi Fi option and then select the Wi Fi network from the list Tap Next to continue Enter password as required and then tap Enter 6 Enter Time and Date and tap to continue 7 Scan the QR Code on the screen and regis...

Страница 21: ... use the media flattener on slightly curved samples See the Media Flattener section earlier for information on how to use Supported Substrates eXact 2 eXact 2 Xp eXact 2 Plus Recycled White Paper Carton Flexo Recycled Paper Box Offset Thick Premium Box Flexo Brown Paper Carton Flexo White Paper Bag Flexo Clear Label Flexo White Film Label Flexo Clear Film on Clear Plastic Bag Flexo Clear Label Gra...

Страница 22: ...e circle reticle in the targeting window Release the brake button 6 Press the Measure button again to take the measurement Measurement data appears in the display along with a simulated color patch Continue with additional measurements if required 7 Tap the icon at the top of the screen to exit targeting mode and view additional measurement data 8 An unsuccessful measurement will be indicated by a...

Страница 23: ...ly 2 4 GHz Wi Fi networks Select the corresponding 2 4 GHz SSID to connect the device to your network This option is used to activate deactivate Wi Fi mode view saved networks and add new networks Enable or disable Wi Fi To enable or disable Wi Fi tap the Enabled switch icon When Wi Fi is enabled the switch icon shows the blue background When Wi Fi is disabled the other options disappear and the b...

Страница 24: ...increments or set to Never The default setting is 60 seconds Time to Idle This setting is used to set the idle time the display is kept on before it shuts off to help preserve battery life The option can be set from 15 to 60 seconds in 15 second increments or turned off The default setting is 60 seconds Time to Suspend This setting is used to set the time before the device goes into a power down m...

Страница 25: ...ing the polarizer filter glass Refer to the section Exchanging the Filter Glass earlier in this manual for more information on changing the physical filter The options are Xp and Standard Use Standard for the eXact 2 model or when measuring on paper based substrates with the eXact 2 Plus model Use Xp for the eXact 2 Xp model or when measuring on flexible film with the eXact 2 Plus model For a deta...

Страница 26: ...indicates the current calibration status A white icon indicate that the calibration is current and the segments around the circle indicate when the next calibration is required A red icon indicates that a calibration is required o Wi Fi Connection icon The Wi Fi icon appears when the option is activated in the Settings Refer to Setting Mode for information on activating Indicates Wi Fi is on but t...

Страница 27: ...of the Jobs tool which runs simple measurements without using standards Settings and functions can be reviewed and edited as needed before using Density To access Density 1 Tap Density in the eXact 2 menu to access the screen 2 Refer to the following pages for information on Density Main Screen The screen consists of three main areas 1 Top Bar 2 Data View area with targeting if active 3 Function s...

Страница 28: ...he default setting and is highlighted during spot measurements Tap the Camera icon to activate Loupe Mode to capture an image Tap Go to Manager to manage your stored images Refer to the section Digital Loupe Manager later in this manual for additional details Density Settings This option is used to define the settings for density or the selected job in the Density tool Settings can be set for each...

Страница 29: ...pted for different conditions When Yule Nielsen formula is selected for the color you set the coefficient Options are Murray Davies Yule Nielsen or SCTV ISO 20654 Tint Patch Percents Used to enter up to five tint patch percentages for tint patch measurements Tap the switch icon to turn on the individual tint patches Printing Plate Yule Nielsen Factor Used to set the factor that is used to calculat...

Страница 30: ...lor measured Selecting C M Y or K displays the density value for the measured sample For Spot selection the result is given as the density value at the wavelength of maximum density for the spectral curve To select a density display setting 1 Tap the icon 1 at the bottom right of the screen to open the Density Display Settings 2 Tap the desired option 2 and then tap the icon 3 to return to the dat...

Страница 31: ...d like to select the individual patches before measuring follow steps 6 through 13 6 Position the device on the first solid patch cyan take a measurement and view data 7 Position the device on the 2nd solid patch and take a measurement and view data 8 Continue with measurements of the 3rd and 4th solid patches 9 Measure the tint patches Digital Loupe This function is used to capture a high resolut...

Страница 32: ...X R i t e e X a c t 2 30 6 Take additional images if required 7 Refer to the Digital Loupe Manager section later in this document for additional information 2 3 4 1 ...

Страница 33: ...ng pages for information on working with Color Main Screen The screen consists of three main areas 1 Top Bar 2 Data View area with targeting if active 3 Function screens when selected Top Bar Used to access the eXact 2 menu view the current function select other color view options patch type and functions select a standard and access color settings Patch Type Screens and Digital Loupe Tap the icon...

Страница 34: ...ater in this manual for additional details on capturing and using digital loupe images Color Settings This option is used to define the settings for color or the selected My Tool in the Color tool Settings can be configured for each tool as needed Color is the default tool that is selected You should review the settings before measuring To access the settings 1 Select Color or the tool from the eX...

Страница 35: ...set to On the device stores your sample measurements Tap the switch icon to turn on sample storage Clear Scratch Library Used to clear the stored scratch standards used for sample comparison Standards appear in the From Library option under Add Standard Density White Base Used to set a paper or absolute requirement for various density functions If you select Minus Paper as white base all subsequen...

Страница 36: ...ts To select a sample function 1 Tap the icon 1 next to the function name at the top of the screen to open the Color View Options 2 Tap the desired sample function 2 Additional functions can be accessed by swiping up on the screen A table with the available functions is shown below 3 Tap the icon 3 to return to the Color screen If you have a function that you use often you have the option to selec...

Страница 37: ...y value at the wavelength of maximum density for the spectral curve To select a density display setting 3 Tap the icon 1 at the bottom right of the screen to open the Density Display Settings 4 Tap the desired option 2 and then tap the icon 3 to return to the data view screen Graph View Color and tools have an option for viewing measurement data in a graph The graph selection is independent of the...

Страница 38: ...lues and the white curve shows the standard values if using Delta E Graph The Delta E Graph contains the bar graph showing brightness and a diagram that has the standard as the center The samples are plotted relative to the center This is an easy to read visualization to see if a sample is darker lighter redder greener etc than the standard Measurement Procedure 1 Select Color 1 to select the meas...

Страница 39: ...measurement data NOTE If the selected color library has tolerances included on the standards status icons will appear on the standard patch and next to the E value on the measurements See examples below Pass Fail Warning Data Display After a measurement the display shows the measured sample values 1 and the delta values 2 compared to the current standard You can switch the view to show the actual ...

Страница 40: ...efault the library Quick Standards is selected 1 Tap the icon 1 next to the current color library 2 Tap the icon 2 and select a different color library 3 from the list Selecting a Standard from a Color Library This option allows you to choose a standard from the selected library 1 Tap the icon 1 next to the current color library 2 Tap a standard 2 in the list to use 3 Tap the View Standard icon 3 ...

Страница 41: ...store up to 20 images in the device To capture an image 1 Activate targeting mode by pressing the Measure button once 2 Tap the icon 1 to open the Loupe Mode 3 Position the device on sample and press the Measure button again to capture the image 4 Tap the or icons 2 to zoom in and out of the image You can also use your finger to pan around the image 5 Tap the icon 3 to save the image to the device...

Страница 42: ...ing pages for information on Jobs Main Screen The screen consists of three main areas 1 Top Bar 2 Search and sort field 3 Job folders Top Bar Used to access the eXact 2 menu create a new job and access job options Search and Sort Field This area is used to perform a search for a job Job Folders This area shows a list of your jobs Tap the icon to sort your jobs Available filter options Sort A Z Sor...

Страница 43: ...the Create OK Sheet section later in this document for additional information Reset Job This option allows you to clear out the current job measurements if you want to start over Sample Storage When this option is set to On the device stores your sample measurements Tap the switch icon to turn on sample storage Averaging Used to set the number of measurements required to obtain an average The numb...

Страница 44: ...tance in the spectral curve Mean xyz calculates color strength by average mean xyz values across the visible spectrum Color Strength Colorant Used to select the type of ink that is used to determine the color strength Options are Transparent ink Opaque ink or Textile dye Reflectance Graph Y Axis Scale Used to set the Y Axis scale for reflectance measurements Options are 0 100 and 0 1 TVI Table Spr...

Страница 45: ...rmation per patch type In addition the Density Summary function requires the measurement of Paper Solid and Tint patches and then shows all the results on one screen NOTE Jobs can also contain color bars Refer to the Scan section later in this document for additional information To select a job function 1 Tap the icon 1 next to the function name at the top of the screen to open the View Options fo...

Страница 46: ...ment It can be used on any patch measurement that is difficult to identify You can also add a spot color with this feature To perform an override measurement 1 Tap the icon 1 at the top of the screen to open the Measure Override screen 2 Select the desired patch 2 from the list The screen automatically changes to the measurement screen for the selected patch 3 Measure the selected patch G7 PSO and...

Страница 47: ...set to CIE L a b Gray Balance QC Display is preset to ΔL ΔE ΔCh TVI Table Setting Spread is preset to All PSO Job Paper QC Color Space CIE L a b is preset to CIE L C h Gray Balance QC Display is preset to ΔL Δa Δb ΔE TVI Table Setting Spread is preset to Middle Japan Color Job Paper QC Color Space CIE L a b is preset to CIE L C h Gray Balance QC Display is preset to ΔL Δa Δb ΔE TVI Table Setting S...

Страница 48: ... measurements as explained in the Basic Sample Measurement Technique section earlier 5 Tap after all spot colors have been measured to return to your job Create OK sheet After all patches for a job have been measured you have the option to save the last measured sheet as an OK sheet When using this function a copy of the current job is created The standard values in the job are replaced with the l...

Страница 49: ... perform a search for a tool Tools can be sorted alphabetical in ascending or descending order by tapping the icon and selecting Sort A Z or Sort Z A My Tool Folders The highlighted tool is the currently selected tool You can swipe the screen upwards to view additional tools Tap a tool to open it in the Color tool screen Select a Tool The function is used to select a tool you created 1 Select My T...

Страница 50: ...stored to the device 1 Select My Tool from the eXact 2 menu 2 Tap and hold the tool 1 you want to delete 3 A list with options to edit the tool opens 4 Tap Delete 2 highlighted in red to delete the tool NOTE Tap Cancel if you do not want to delete the tool anymore 5 A confirmation screen opens Tap Delete again to confirm that you want to delete the tool Clone a Tool The function is used to make a ...

Страница 51: ...copy of the tool and open it in the Color tool Rename a Tool The function is used to rename an existing tool 1 Select My Tool from the eXact 2 menu 2 Tap and hold the tool 1 you want to rename 3 A list with options to edit the tool opens 4 Tap Rename 2 to rename the tool 5 Change the name of the tool using the virtual keyboard 3 6 Tap Enter 4 to save the tool with the new name 3 4 2 1 3 4 ...

Страница 52: ...1 Tap the icon in the upper right corner of the screen to open the eXact 2 menu 2 Swipe up on the eXact 2 menu and tap PantoneLIVE 3 Enter https ws pantonelive com in the Server field if not already entered 4 Enter your User Name and Password into the appropriate fields NOTE Leave these fields blank to login as a default user and access the four pre loaded libraries 5 Tap Login to access the libra...

Страница 53: ...e Calibration screen displays the current calibration status last calibrated and other information 2 Tap 2 in the upper left corner of the screen to open the Calibration Settings screen 3 Tap the setting 3 you want to change A description of each available setting follows below 4 Tap to return to the main screen Calibration Valid Hours Used to set the time required between calibrations The calibra...

Страница 54: ... current calibration status last calibrated and other information 4 Tap Calibrate Device 2 on the screen The device displays a Calibrating message during calibration 5 A Calibration Complete message briefly appears after calibration is successful NOTE The docking station has a QR Code label located just above the white tile If for any reason the device cannot scan the label before a calibration an...

Страница 55: ... measure using NetProfiler optimization Disable to measure in its native state Loaded After the NetProfiler workflow finishes a profile is uploaded to the device and enabled Use the NetProfiler desktop client to upload profiles to the device Active Status of the current profile Active means the NetProfiler profile is valid Inactive means the profile is expired Creation Date We recommend running Ne...

Страница 56: ...he screen 2 Tap the or icons 2 to zoom in and out on the image You can also use your finger to pan around the image 3 Tap the icon 3 to return back to the Digital Loupe Manager screen Tap the icon 4 to delete the image Deleting Images 1 Tap the icon 1 in the upper right corner of the Digital Loupe Manager screen to view the Digital Loupe Options 2 To select multiple images Tap Select Multiple 2 fr...

Страница 57: ...speed The display shows a speed indicator to show when the proper speed is maintained Performing a Color Bar Measurement 1 Select the required job from the Jobs list See Jobs section for additional information 2 Spot measure the substrate if requested If the substrate is changed a new substrate measurement must be performed 3 The color bar icon 1 on the top left indicates if a color bar scan is re...

Страница 58: ... or too slow for an extended period of time may produce inaccurate measurement results Always try to maintain a steady scanning speed as much as possible for best results The following text descriptions are displayed during a scan Just Right green Indicates the correct speed is being used Too Slow blue Indicates the scan speed is too slow and needs to be increased Too Fast red Indicates the scan s...

Страница 59: ...X Rite Support or the nearest X Rite Service Center if you believe that the device does not work anymore or does not work correctly Cleaning the Device Your device requires very little maintenance to achieve years of reliable operation However to protect your investment and maintain reading accuracy a few simple cleaning procedures should be performed from time to time General Cleaning The exterio...

Страница 60: ...of clean dry air into the optics area This should remove any accumulated debris from the optics 3 Reinstall the filter glass IMPORTANT If can air is used for cleaning do not invert or tilt the can during use This could cause damage to the optics Cleaning the White Tile The white tile should be cleaned periodically Do not use solvents or cleaners of any kind The white tile is located under the cove...

Страница 61: ... a c t 2 59 3 Carefully return the calibration cover to its closed position Cleaning Device Wheels The wheels 1 should only be wiped clean with a cotton cloth dampened not wet in water or isopropyl alcohol 1 1 1 1 2 ...

Страница 62: ...y Keep away from children Do not disassemble and do not dispose of in fire 1 Carefully turn the device on its side 2 Remove the two screws 1 from the battery cover 3 Swing open the battery cover 2 and remove the battery pack 3 from the compartment 4 Disconnect the battery connector 4 by pressing in on the locking tab and unplugging the connector Do not disconnect by pulling on the battery wires 5 ...

Страница 63: ...f the charge is less than 95 the docking station charges the battery back up to 100 and turns off If the charge is 95 or higher the transmitter turns back off for another 20 minute cycle This cycle keeps the battery at a safe temperature while keeping the battery charged Device not responding no display Device in sleep mode Touch display or take measurement Device in power down mode Press the powe...

Страница 64: ...e Override feature should be used along with turning off auto patch After the learning process is complete auto patch can be turned back on The device will prompt you to measure a particular prerequisite patch Below is a list of typical prerequisite patch measurements Paper First reading of the Job always needs to be paper If a different patch is detected first a popup message will occur Solids Af...

Страница 65: ...ab M3 0 55 ΔE ab Measurements using X Rite manufacturing standards at a temperature of 23 C 1 C 40 60 RH for all measurement modes on 12 BCRA color tiles and a white ceramic reference D50 2 Short term repeatability White 0 02 ΔE ab standard deviation White BCRA Error compared to mean value of 20 measurements every 5 seconds Short term repeatability Density 0 01 D for CMYK measurements Scan Length ...

Страница 66: ...0V 4900 mAh Physical Dimensions 3 05 H 7 75 cm 3 2 W 8 13 cm 8 4 L 21 34 cm Weight 1 46 lbs 665 kg ENVIRONMENTAL Usage Indoor only Altitude 2000 m Pollution Degree 2 Overvoltage Category II ACCESSORIES PROVIDED USB C Cable with USB A Adapter Power Supply Docking Charging Station Quick Start Guide Carrying Case ISO 9000 Certificate Design and specifications subject to change without notice ...

Страница 67: ...ch in E to a standard color by adjusting the ink thickness offset printing or concentration flexo and gravure printing on press The illustration below shows the BestMatch function with the aid of the CIELAB color space using an example of two different shades of green Color axis Colorimetric axis to adjust color by ink thickness BestMatch point Best possible color e g green that can be achieved by...

Страница 68: ...is function plots the E uses the active E method setting value of the current and past samples that have been measured to the current standard The graph will show up to 10 of the latest readings Density This function is the measure of the ink thickness For the process colors Cyan Yellow Magenta or Black the desired Density Status A E I T G needs to be configured For spot inks the result is given a...

Страница 69: ... three Illuminant observers can be compared to the current Illuminant observer setting color setting The default settings for all regions is A F2 and F11 Opacity This function is used to determine how opaque a given ink or material is It looks at how different the luminance Y from CIEXYZ of a given sample changes when printed over a white or black substrate Once the ink is measured over both subst...

Страница 70: ...t or halftone patch by comparing the density value of the tint patch versus known 0 Paper Substrate and 100 solid patch density values The result can be calculated using either the Murray Davies Yule Nielsen or SCTV ISO 20654 methods The Yule Nielsen nFactor constants can be adjusted separately for each process ink and Spot colors Tone Value Increase This function also called Dot Gain is the diffe...

Страница 71: ...eadquarters X Rite Europe GmbH Althardstrasse 70 8105 Regensdorf Switzerland Phone 41 44 842 24 00 Fax 41 44 842 22 22 Asia Pacific Headquarters X Rite Asia Pacific Limited Suite 2801 28th Floor AXA Tower Landmark East 100 How Ming Street Kwun Tong Kowloon Hong Kong Phone 852 2568 6283 Fax 852 2885 8610 Please visit www xrite com for a local office near you P N ETV 500 EN_RevA ...

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