Feasa 3D User Manual

Display analyser
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FEASA DISPLAY ANALYSER
FUNCTIONAL VERSION
User Manual for Display Analyser
Feasa Enterprises Ltd,
Holland Road,
National Technology Park,
Castletroy,
Limerick,
Ireland.
www.feasa.ie
Email:
sales@feasa.ie
Rev. 1.4
Date: Febuary, 2015
© Copyright Feasa Enterprises Ltd
1

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Summary of Contents for Feasa 3D

  • Page 1 FEASA DISPLAY ANALYSER FUNCTIONAL VERSION User Manual for Display Analyser Feasa Enterprises Ltd, Holland Road, National Technology Park, Castletroy, Limerick, Ireland. www.feasa.ie Email: sales@feasa.ie Rev. 1.4 Date: Febuary, 2015 © Copyright Feasa Enterprises Ltd...
  • Page 2 Feasa reserves the right to revise this document or withdraw it at any time without prior notice. This manual is written for all the models of Feasa Display Analysers. The model numbers are Feasa 3D, 6D and 10D.
  • Page 3: Table Of Contents

    Capture ­ Store Display Data......................11 Capture# ­ Store Display Data.......................12 CaptureContrastHigh ­ Store High Contrast Data.................13 CaptureContrastLow ­ Store Low Contrast Data................14 Get Data Commands...........................15 Under Range Condition.........................15 Over Range Condition........................15 GetAverage ­ Get the number of Captures to Average..............16 GetChannelStatus ­ Get the status of connected Channels............17 GetLuminance## ­ Get the Luminance value for a Channel............18 GetLuminanceAll ­ Get the Luminance of all Fibers..............19 GetContrastRatio## ­ Get the Contrast Ratio for a Channel............20 getxy## ­ Return the xy Chromaticity values................21 getxoffset## ­ Return the x Chromaticity offset................22 getyoffset## ­ Return the y Chromaticity offset................23 getuv## ­ Return the u'v' Chromaticity values................24 getWavelength## ­ Get the Dominant Wavelength...............25 getWavelengthOffset## ­ Get the Dominant Wavelength Offset..........26 getAbsInt## Get the Absolute Intensity Value of the Display under test........27 getFactor ­ Get the exposure Factor....................28 getFormat ­ Get the format of the data..................29 getCCT ­ Get Correlated Color temperature..................30 getxxxALL Get the data for ALL Channels on the Analyser............31 Set Commands............................32 SetAVERAGE ­ Set the number of Captures to Average.............33 SetEngineeringFormat ­ Set the Data format to Engineering............34 SetScientificFormat ­ Set the Data format to Scientific..............35 SetFACTOR## ­ Set the Exposure Factor..................36 setXOFFSET##0.xxx ­ Set the x Chromaticity Offset..............37 setYOFFSET##0.yyy ­ Set the y Chromaticity Offset..............38 setWAVELENGTHOFFSET@@ ## ­ Set the wavelength Offset..........39 User Calibration..........................40 setCalibration# ­ Set the Calibrationto a particular Set..............41 getCalibration ­ Returns the Calibration Set Number..............42 © Copyright Feasa Enterprises Ltd...
  • Page 4 FEASA DISPLAY ANALYSER FUNCTIONAL VERSION setCalRGBM ­ Copy the Factory Set to the Current Set...............43 Daisy Chain Mode..........................44 Daisy Chain USB Method......................44 Daisy Chain SERIAL Method.......................45 BusFree ­ Deactivate any active Analysers...................47 BusGet#### ­ Activate a Display Analyser...................48 BusC ­ Initiate Capture for all Display Analyser's................49 BusC# ­ Initiate Capture for all Display Analyser's..............50 BusCE#### ­ Poll each Display Analyser to verify a capture is complete........51 Ports Description and Wiring......................52 Daisy Chain Pinout........................53 Step­by­Step method for Daisy Chaining..................54 Example............................56 General Commands..........................58 GetSERIAL ­ Get the Serial Number of the Analyser..............58 getVERSION ­ Get the Firmware Version..................59 getHW ­ Get the Hardware Version....................60 GetINFO ­ Get a summary of the Display Analyser details............61 SetBAUD ­ Change the baud rate....................62 HELP ­ Command Summary Listing.....................63 Command Summary...........................64 Back to Index............................65 Warranty.............................66 © Copyright Feasa Enterprises Ltd...
  • Page 5: Introduction

    FUNCTIONAL VERSION Introduction The Feasa Display Analyser is an instrument that tests the Color and Intensity of Displays that are back lit with LEDs. It has been specifically designed to test for Luminance, Contrast Ratio and Homogeneity of the Display.
  • Page 6: Physical Layout

    Figure 6 The physical layout of the Feasa 10D Analyser is shown in Figure 6. The fiber Patch Cord connectors are labeled 1-10. Options include Feasa 3D, Feasa 6D and Feasa 10D. These Analysers are enclosed in an Aluminium box. The Serial port comprises a 3 pin connector and the USB connector is the mini usb type.
  • Page 7: Serial Port Control

    These can be selected using the setbaud command. Serial Connector (RS232C) Signal Pin on 9- Pin D-type Tx from LED Analyser Rx from LED Analyser Power Connector Pin No Signal Power (5V DC) Figure 7. Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 8: Capture Commands

    The Terminal Program supplied on the CD is used to send/receive commands to/from the Analyser. The Feasa Display Analyser User Program is a graphical tool that can be used to send commands and receive results from the Analyser. responses from the Analyser can be observed in the Window.
  • Page 9: Capturedark ­ Store Dark Level

    (i.e. the PC). Example: The PC transmits capturedark to the Display Analyser and the Analyser sends OK to the PC to acknowledge that the command is completed. Capturedark Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 10: Capturedark## ­ Store Dark Level

    OK on the receive line to the transmitting device (i.e. the PC). Example: The PC transmits capturedark## to the Display Analyser and the Analyser sends OK to the PC to acknowledge that the command is completed. Capturedark01 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 11: Capture ­ Store Display Data

    Capture # command described on the next page. Example: The PC transmits capture to the Display Analyser and the Analyser sends OK to the PC to acknowledge that the command is completed. Capture Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 12: Capture# ­ Store Display Data

    Analyser will transmit the character OK on the receive line to the transmitting device (i.e. the PC). Example: The PC transmits capture to the Display Analyser and the Display Analyser sends OK to the PC to acknowledge that the command is completed. Capture2 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 13: Capturecontrasthigh ­ Store High Contrast Data

    The command is used with the CaptureContrastLow to determine the Contrast Ratio of the Display. Example: The PC transmits capturecontrasthigh to the Display Analyser and the Display Analyser sends OK to the PC to acknowledge that the command is completed. capturecontrasthigh Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 14: Capturecontrastlow ­ Store Low Contrast Data

    This   command   is   used   to   record   the   low   contrast   value   of   the Display.    The Display should be set to minimum brightness before this command is issued. This command is used with the CaptureContrastHigh to determine the Contrast Ratio of the Display. Example: The PC transmits capturecontrastlow to the Display Analyser and the Display Analyser sends OK to the PC to acknowledge that the command is completed. capturecontrastlow Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 15: Get Data Commands

    This will be indicated by 255 255 255 99999 for RGBI and 0.0000 0.0000 for xy and uv. If this condition occurs select the next higher range and test again. Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 16: Getaverage - Get The Number Of Captures To Average

    Average value has been changed. These values are stored permanently in memory and can only be changed by using the set Average command. Example: Get the number of Captures that are averaged. getaverage Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 17: Getchannelstatus - Get The Status Of Connected Channels

    Feasa Display Tester ---------------------- Unit Serial number: D003 Channel Fiber serial Head serial: FP02C011 DL070001 FP02C012 DL070002 FP02C013 DL070003 FP02C014 DL070004 FP02C005 DL070005 FP02C016 DL070006 FP02C017 DL070007 FP02C018 DL070008 FP02C019 DL070009 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 18: Getluminance## - Get The Luminance Value For A Channel

    SetEngineeringFormat commands. These values are stored permanently in memory until power is removed or the getLuminance command is issued again. Example: Get the the Luminance of a channel 01. getluminance01 096.1245 CD/M² Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 19: Getluminanceall - Get The Luminance Of All Fibers

    These values are stored permanently in memory until power is removed or the getLuminanceall command is issued again. Example: Get the Luminance of all channels. getluminanceall 096.1245 CD/M² 084.6245 CD/M² 094.8245 CD/M² 088.1125 CD/M² 086.1675 CD/M² Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 20: Getcontrastratio## - Get The Contrast Ratio For A Channel

    &.&&&&e+&& represents the data in Scientific format. &&&.&&&& represents the data in Engineering format. Description This command returns the Contrast Ratio for channel number ##. Example: Get the Contrast ratio for channel 01. getcontrastratio01 00312.00 : 1 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 21: Getxy## - Return The Xy Chromaticity Values

    The PC transmits getxy01 to the Display Analyser to instruct it to send the stored xy Chromaticity data for the Display positioned in front of channel No 1. The Display Analyser will return a string 0.xxxx 0.yyyy to the PC. getxy01 0.6461 0.3436 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 22: Getxoffset## - Return The X Chromaticity Offset

    The PC transmits getxoffset01 to the Display Analyser to instruct it to send the stored x Chromaticity offset for the Display positioned in front of channel No 1. The Display Analyser will return a string ±0.xxx to the PC. getxoffset01 +0.155 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 23: Getyoffset## - Return The Y Chromaticity Offset

    The PC transmits getyoffset01 to the Display Analyser to instruct it to send the stored y Chromaticity offset for the Display positioned in front of channel No 1. The Display Analyser will return a string ±0.yyy to the PC. getyoffset01 -0.025 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 24: Getuv## - Return The U'v' Chromaticity Values

    The PC transmits getuv01 to the Display Analyser to instruct it to send the stored XY Chromaticity data for the Display positioned in front of Fiber No 1. The Display Analyser will return a string 0.uuuu 0.vvvv to the PC. getuv01 0.1809 0.4414 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 25: Getwavelength## - Get The Dominant Wavelength

    The PC transmits getwavelength01 to the Display Analyser to instruct it to send the stored dominant wavelength for the Display positioned in front of Channel No 1. The Display Analyser will return a string xxx to the PC. getwavelength01 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 26: Getwavelengthoffset## - Get The Dominant Wavelength Offset

    The PC transmits getwavelengthoffset01 to the Display Analyser to instruct it to send the programmed dominant wavelength offset for Channel No 1. The Display Analyser will return a string +/- xx to the PC. getwavelengthoffset01 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 27: Getabsint## Get The Absolute Intensity Value Of The Display Under Test

    This command will instruct the Display Analyser to return the Absolute Intensity value for the Display positioned in front of Channel##. Absolute Intensity values must first be measured with the Feasa LED Spectrometer. The Display Analyser must then be calibrated with these values using the programs supplied with the Spectrometer.
  • Page 28: Getfactor - Get The Exposure Factor

    The default value set at the factory are 01. The values can be adjusted by the SetFactor command. Example: The PC transmits getfactor to the Display Analyser to instruct it to send the stored exposure factor for all Channels. The default value is 01. getfactor Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 29: Getformat ­ Get The Format Of The Data

    If Engineering format is set the data will be in the form ###.####(k)(m) cd/m format commands SetEngineeringFormat SetScientificFormat. Example: The PC transmits getformat to the Display Analyser to instruct it to send the stored format. getfactor scientific Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 30: Getcct - Get Correlated Color Temperature

    Delta E is +/- 0.0500. Example: The PC transmits getcct01 to the Display Analyser to instruct it to send the stored CCT data for Channel No 1. getcct01 04621 +0.0340 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 31: Getxxxall Get The Data For All Channels On The Analyser

    This command will allow the user to get the data stored on the Analyser from the last capture for all the Channels simultaneously. For example when using a Feasa 10D the getxxxALL command will report 10 results andfor a Feasa 3D the getxxxALL command will return 3 results.
  • Page 32: Set Commands

    These settings remain programmed in the Analyser even when the power is removed. Commands are transmitted and received using ASCII characters and are NOT case-sensitive. All commands must be terminated with a <CR> or <LF> character. Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 33: Setaverage - Set The Number Of Captures To Average

    These values are stored permanently in memory and can only be changed by using the setAverage command again. The command get Average will display the current stored setting. Example: Set the number of Captures to Average to 05. setaverage05 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 34: Setengineeringformat - Set The Data Format To Engineering

    This command instructs the Analyser to output Luminance data in Engineering format. This setting is stored permanently in the Analyser and can only be changed by the SetScientificFormat command. Example: Set Engineering format. setengineeringformat Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 35: Setscientificformat - Set The Data Format To Scientific

    This command instructs the Analyser to output Luminance data in Engineering format. This setting is stored permanently in the Analyser and can only be changed by the SetScientificFormat command. Example: Set Engineering format. setengineeringformat Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 36: Setfactor## ­ Set The Exposure Factor

    NOT effect the set Factor. The current value can be read out using the getfactor command. Example: Set the Factor Number for all Fibers to 05. setfactor05 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 37: Setxoffset##0.Xxx - Set The X Chromaticity Offset

    Setxoffset command. Example: The PC transmits setxoffset01+0.050 to the LED Analyser to instruct it to set the X offset on Fiber 1 to +0.050. setxoffset01+0.050 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 38: Setyoffset##0.Yyy - Set The Y Chromaticity Offset

    Setyoffset command. Example: The PC transmits setyoffset01-0.050 to the LED Analyser to instruct it to set the y offset on Fiber 01 to -0.050. setyoffset01-0.050 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 39: Setwavelengthoffset@@ ## ­ Set The Wavelength Offset

    Example: The PC transmits setwavelengthoffset01-05 to the LED Analyser to instruct it to set the wavelength offset on Fiber 01 to -05. setwavelengthoffset01-05 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 40: User Calibration

    The Display Analyser must be calibrated with a known measured Display to obtain the best results from the Analyser. It is recommended to measure the Luminance of the Display with the Feasa LED Spectrometer fitted with the Luminance Head. The Display Luminance should be measured at the same points that will be measured with the Display Analyser because the Luminance of the Display can vary across the surface.
  • Page 41: Setcalibration# ­ Set The Calibrationto A Particular Set

    Calibration Set to be selected in the range 0 – 9. Description This command is used to select a Calibration set which has been previously recorded using the Feasa UserCal program. Only one calibration set is required per Display type.
  • Page 42: Getcalibration ­ Returns The Calibration Set Number

    This command is used to return the Calibration Set Number currently active. Only one Calibration Set is active at any time. Example: The PC transmits getcalibration to the LED Analyser to instruct it to return the Number of the active Set. setcalibration Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 43: Setcalrgbm - Copy The Factory Set To The Current Set

    Example: The PC transmits setcalibration1 to the LED Analyser to instruct it to make Set 1 the active Calibration Set. The command setcalrgbm will copy the Factory Settings to Set1. setcalibration1 setcalrgbm Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 44: Daisy Chain Mode

    Display Analyser No1 is connected to the Daisy Chain IN Connector on Display Analyser No2 and so on.( See Fig 9a below). Each Analyser except for No1 must be powered to 5V @180mA. This completes your wiring requirements. Figure 9a USB Setup © Copyright Feasa Enterprises Ltd...
  • Page 45: Daisy Chain Serial Method

    Display Analyser No1 is connected to the Daisy Chain IN Connector on Display Analyser No2 and so on.( See Fig 9b below). Each Analyser must be powered to 5V @180mA. This completes your wiring requirements. Figure 9b Serial Setup Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 46 This Serial Number is fixed to each Analyser or can be read out using the getSerial command. Feasa provides a Terminal Program on the CD for the customers use. When you connect your 1 analyser the terminal program will detect which port you are connected to.
  • Page 47: Busfree - Deactivate Any Active Analysers

    BusFree command and report an error. The Analyser connected to the computer will operate as a standalone unit after the command is issued. Example: The PC transmits busfree to free up the Daisy Chain Bus. busfree Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 48: Busget#### - Activate A Display Analyser

    Controlling Computer should issue a new BusFree command and report an error. Example: The PC transmits BusGet#### to the Master Display Analyser to instruct it to activate the Display Analyser with Serial Number ####. busgetF044 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 49: Busc - Initiate Capture For All Display Analyser's

    All the standard commands can then be used to read back the Display Test data. Example: The PC transmits busc to instruct all Display Analysers in the Daisy Chain to initiate a Capture cycle. busc Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 50: Busc# ­ Initiate Capture For All Display Analyser's

    Analyser will transmit the character OK on the receive line to the transmitting device (i.e. the PC).Example: The PC transmits busc# to instruct all Display Analysers in the Daisy Chain to initiate a Capture cycle. busc2 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 51: Busce#### ­ Poll Each Display Analyser To Verify A Capture Is Complete

    The PC transmits busce#### to chech each Display Analysers in the Daisy Chain has complete a Capture cycle. BusceF123 (Where F123 is the s/n of the Analyser) Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 52: Ports Description And Wiring

    Allow 180mA @5V for each Analyser and ensure the wiring is adequate to supply the current without incurring large voltage drops. For reliable operation it is necessary to have 5V at the Power Connector of each Analyser. Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 53: Daisy Chain Pinout

    The GND line of D_OUT is connected with the GND line of D_IN, the RX_out of D_OUT is connected to RX_in of D_IN and the line TX_in of D_OUT is connected to the line TX_out of D_IN. Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 54: Step-By-Step Method For Daisy Chaining

    Connect to the port on which the 1 Analyser is installed. See USB Port Control . Send capture to verify the communications with the 1 Analyser. The response should be OK. Send getserial and the response should be K304. © Copyright Feasa Enterprises Ltd...
  • Page 55 – busc5 pre-selected manual ranges. If you are have difficulty reading from Analysers at the end of your chain please verify your voltage to each of these units is 5V. © Copyright Feasa Enterprises Ltd...
  • Page 56: Example

    'Confirm to Analyser K461 gethsi01 'Get the Data for Fiber 01 000.51 100 36491 gethsi02 gethsi10 'Get the Data for Fiber 10 Repeat this sequence for all Analysers in the chain. Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 57 FEASA DISPLAY ANALYSER FUNCTIONAL VERSION Begin BUSFREE BUSC Serial Number = First Serial BUSCE#### Answer? “1” Serial Number = Next serial End Serial? © Copyright Feasa Enterprises Ltd...
  • Page 58: General Commands

    Controlling Software can query each Display Analyser for it's Serial Number to ensure the correct Analyser is being controlled. Example: The PC transmits getserial to the Display Analyser an it will return xxxx to the getserial F5A6 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 59: Getversion - Get The Firmware Version

    This command will return the Version Number of the firmware in the Analyser. Example: The PC transmits getversion to the Display Analyser an it will return xxxx to the PC. getversion K002 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 60: Gethw - Get The Hardware Version

    Where: xxxxxxxxxx is an alphanumeric value. Description This command will return the hardware version of the Analyser. Example: The PC transmits gethw to the Display Analyser an it will return xxxxxxxxxx to the PC. gethw Feasa 10-D Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 61: Getinfo - Get A Summary Of The Display Analyser Details

    The PC transmits getinfo to the Display Analyser and it will return to the PC. Serial Number : E123 Firmware Version : I116 Intensity Mode : Linear Last Capture : Capture Number of Fibers : 10 Exposure Factor : 001 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 62: Setbaud- Change The Baud Rate

    The maximium allowed baud rate for Serial Port is 115200 and the USB Port is 460800. Example: To change the baud rate to 9600 transmit the command setbaud9600 to the Analyser . Setbaud9600 Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 63: Help - Command Summary Listing

    This command will generate a summary listing of all the Display Analyser commands. This is useful when using a terminal program such as HyperTerminal. Example: To generate the listing transmit help to the Analyser . help Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 64: Command Summary

    Get Wavelength offset for Fiber get abs int ## Get the Absolute Intensity for a Display getCCT## getfactor Get the Exposure Factor for all Fibers getformat Get the format of the Data output Back to Index © Copyright Feasa Enterprises Ltd...
  • Page 65: Back To Index

    FEASA LED ANALYSER FUNCTIONAL VERSION Command Summary COMMAND DESCRIPTION getCCTall Get Correlated Colour Temperature for all Displays getVersion Get the Firmware Revision of the Analyser getSerial Get the Serial Number of the Analyser getHW Get the Hardware Version of the Analyser...
  • Page 66: Warranty

    Feasa does not warrant that the operation of Feasa products will be uninterrupted or error free. If Feasa is unable, within a reasonable time, to repair or replace any product to a condition as warranted, customer will be entitled to a refund of the purchase price upon prompt return of the product to Feasa.

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