Klein K Series Bedienungsanleitung

Klein K-Series Colorimeter

K-1

K-10

User's Manual

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Printed: April 2003 in Portland, Oregon USA

Klein K-Series User's Manual

Table of Contents

Foreword 1

Part I Introduction 2

................................................................................................................................... 21 Welcome

................................................................................................................................... 22 Unpacking the K Colorimeter

................................................................................................................................... 23 Product Overview

Part II Chapter 1: Installing the PC Program 3

................................................................................................................................... 31 Installing the PC Program

Part III Chapter 2: Taking a Color Measurement 4

................................................................................................................................... 41 Taking a Color Measurement

Part IV Chapter 3: Gamma Measurements 6

................................................................................................................................... 61 Gamma Measurement

Part V Chapter 4: Flicker Measurements 7

................................................................................................................................... 71 Flicker Measurements

Part VI Chapter 5: Data Logging 8

................................................................................................................................... 91 Data Logging, Single White Point Spec

................................................................................................................................... 132 Data Logging Multiple White Specs

................................................................................................................................... 153 Making and Printing Reports

Part VII Chapter 6: Custom Calibration 18

................................................................................................................................... 181 Custom Calibration

Index 26

IContents

Foreword

This is just another title page

placed between table of contents

and topics

Foreword1

Introduction 2

1 Introduction

1.1 Welcome

Klein K Colorimeter Manual v 3.0.145

Congratulations for purchasing the Klein K Colorimeter. The Klein K Colorimeter is a highly accurate

serial port colorimeter and flicker meter with included PC program. Its optical filters are carefully

constructed to conform to the CIE 1931 Photopic xyY color measurement system. The electronics of the

colorimeter take 256 simultaneous XY and Z readings per second, and communicate these to a

controlling PC program via the PC RS-232 comm port.

1.2 Unpacking the K Colorimeter

Hardware

K-1 Colorimeter

The Klein Instruments K-1 Colorimeter includes:

Klein K-1 Colorimeter body

Black Rubber slip-on boot

Attached Cable; Comm with Power

RS-232 9 DIN comm plug

5v connector (USB male style plug)

5v Power Supply (USB female style plug)

CD including Klein K Colorimeter PC program and Manual

K-10 Colorimeter

The Klein Instruments K-10 Colorimeter includes:

Klein K-10 Colorimeter body with lens

Black Rubber boot with 52mm threads

Attached Cable; Comm with Power

RS-232 9 DIN comm plug

5v connector (USB male style plug)

5v Power Supply (USB female style plug)

CD including Klein K Colorimeter PC program and Manual

The K series Colorimeter is a serial port device, intended to be used with the Klien K Colorimeter PC

program. It draws power from an attached 5v cable (USB style connector). The 5v power may also be

taken from a standard USB port.

1.3 Product Overview

Hardware Requirements

Title of this help project3

To use the K Colorimeter, you must have a

K Colorimeter

5v Power Source (supplied, or plug into a USB port for power)

Windows based PC with a RS-232 comm port (win 95 or greater)

Klein K Colorimeter PC program (requires 20M of hard drive space)

K-1 Colorimeter

The K-1 is designed for measuring luminance and color from a diffuse source, such as a CRT. The K-1 is

also useful for taking Lux measurements from a front projector.

K-10 Colorimeter

The K-10 has a +/- 5 degree angular input aperture, and is used for measuring luminance and color from

a directional but partially diffuse source, such as an LCD display or a rear projector display.

Flicker Meter Function Included

Both the K-1 and the K-10 are also fully functional flicker meters. They feed real time data to the pc

program which performs a Fast Fourier Transform and graphs the data as frequency versus amplitude.

OpticalFilters

Inside the Klein K Colorimeter are three optical filter sets, one each for CIE X, Y, and Z, and three silicon

detectors.

Electronic Filters, A/D and Microprocessor

Each Optical Filter and silicon detector has its own electronic channel consisting of a 6 step auto-

ranging amplifier and access to a 12 bit A/D with 4 dither steps. The A/D is read 256 times per second

by a microprocessor.

Each electronic channel amplifier has a 3 pole 28 Hz analog filter, which, along with digital the averaging

function, filters out unwanted 60 Hz and faster noise. For flicker measurements, the data is sent as raw

unaveraged 256 measurements per second.

On-board Flash Memory in the Colorimeter

The K Colorimeter will store up to 96 custom calibrations in Flash memory. These are easily accessable

via the Klein Colorimeter PC program. The calibration files can be named by monitor type for ease of

remembering which calibration file is which.

2Chapter 1: Installing the PC Program

2.1 Installing the PC Program

The Klein K Colorimeter PC Program is intended to be run on pc's with windows 95 and later. The PC

program uses a comm port for communication to the colorimeter, and it uses database functions for data

logging.

Chapter 1: Installing the PC Program 4

To Install the Klein K Colorimeter PC Program

On the CD included, find and open the file: "Setup.exe".

Install the Klein PC program in the locations suggested.

The installation of the Klein K Colorimeter PC Program will add folders and files to the newly created

folder:

C: \ Program Files \ KLEIN

In addition, the program makes use of microsoft .dll files. If these are missing from your computer, the

setup program installs them. If they already exist on your pc, the setup program will allow you to keep

the old files or install new ones.

If you log data, the log files will be found in the folder:

C: \ Program Files \ KLEIN \ DataBase

To Uninstall the Klein K Colorimeter PC Program

If you wish to uninstall the program, Klein recommends that you simply delete the KLEIN folder. This has

shown to be effective and safe.

If you wish to remove all the Microsoft .dll files that the Klein Setup may have included, you may use the

Microsoft START / Settings / Control Panel / Add_Remove Programs.

3Chapter 2: Taking a Color Measurement

3.1 Taking a Color Measurement

Attaching the Colorimeter to the PC

To attach the Colorimeter to a PC, plug the 9 pin Comm connector into the PC's comm port. Also attach

the USB style connector to the (supplied) 5v source. For the 5v source, you may instead use one of your

PC's USB ports as a power source. If you know which comm port you have attached to, you may enter it

into the PC program (below).

Run the Klein PC Program

The Klein K Colorimeter program is accessable from the "Start" button, then "Programs", then "Klein".

The Klein K Colorimeter program can also be found in C:\ Program Files \ Klein.

Theprogram interface::

Title of this help project5

With the CIE Chart Graph Mode chosen, the display may look like this:

On first hookup, there may be an error message telling you that the colorimeter is not responding.

In the menu item "Comm", choose the comm port to which the colorimeter is attached. Press "Measure

Color" to test the comm connection.

Also on first hookup, the program will load use the "Factory Default" Color Correction file.

Press the "Measure Color" button.

Chapter 2: Taking a Color Measurement 6

The Measure Indicator above the "Measure Color" button will begin to flash, and u'v'Y values will begin

to show in the measurement windows, and also the graph area.

You may switch color measurement from xyY ot u'v'Y by pressing the Display Units buttons.

This will also change the graphic units.

You may view the graphic of the color data by choosing the Graph to be CIE (shown above), Maginfied

(for a closer look at the center of the CIE graph), or Bar (startup default. Sliders, for making adjustments.

There will also be an "OK/NoPass" shown below the Y slider. This can be turned on or off from the menu

item "Setup".

4Chapter 3: Gamma Measurements

4.1 Gamma Measurement

The Gamma Measurement function is accessed from the "Gamma" button on the main window.

By aiming the colorimeter at a display which is running the Klein K Colorimeter PC program, the user

can run a test which will calculate the gamma of the display and display driver.

The number of video intensity steps is programmable in the menu item"Gamma Test Setup".

When the colorimeter has taken the number of readings required by the Gamma Test Setup, a graph is

Title of this help project7

created, showing Gamma, Contrast Ratio, and White Balance at Grey Levels. The OK / NoPass criteria

for gamma is set in the menu "Gamma Test Setup".

The gamma report includes a graph of R, G, B, and Y (white Intensity) gamma, and the determined

Gamma value for white.

5Chapter 4: Flicker Measurements

5.1 Flicker Measurements

The flicker feature of the Klein K Colorimeter PC program is accessed by pressing the "Gamma" button

on the Main window.

The colorimeter provides raw Y data at 256/second. The pc program has downloaded a conversion file for

frequency sensitivity, and uses it to scale the FFT tranform of the received data. The data is updated 8

times per second.

The flicker shown is for Y of a display, and it is graphed in true intensity versus frequency. It is displayed

in percent, or dB.

There is a button which will apply a JEITA discount to the flicker FFT data. Highest flicker intensity, and

frequency is displayed, along with the entire intensity versus frequency curve.

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