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Instruction Manual
J17
LumaColorTM Photometer
070-8531-04
This document applies for firmware version 1.00
and above.
Warning
The servicing instructions are for use by qualified
personnel only. To avoid personal injury, do not
perform any servicing unless you are qualified to
do so. Refer to all safety summaries prior to
performing service.
Copyright E Tektronix, Inc. All rights reserved.
Tektronix products are covered by U.S. and foreign patents, issued and
pending. Information in this publication supercedes that in all previously
published material. Specifications and price change privileges reserved.
Printed in the U.S.A.
Tektronix, Inc., P Box 1000, Wilsonville, OR 97070-1000
.O.
TEKTRONIX and TEK are registered trademarks of Tektronix, Inc.
WARRANTY
Tektronix warrants that this product will be free from defects in materials and
workmanship for a period of one (1) year from the date of shipment. If any such
product proves defective during this warranty period, Tektronix, at its option, either
will repair the defective product without charge for parts and labor, or will provide a
replacement in exchange for the defective product.
In order to obtain service under this warranty, Customer must notify Tektronix of
the defect before the expiration of the warranty period and make suitable
arrangements for the performance of service. Customer shall be responsible for
packaging and shipping the defective product to the service center designated by
Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the
product to Customer if the shipment is to a location within the country in which the
Tektronix service center is located. Customer shall be responsible for paying all
shipping charges, duties, taxes, and any other charges for products returned to
any other locations.
This warranty shall not apply to any defect, failure or damage caused by improper
use or improper or inadequate maintenance and care. Tektronix shall not be
obligated to furnish service under this warranty a) to repair damage resulting from
attempts by personnel other than Tektronix representatives to install, repair or
service the product; b) to repair damage resulting from improper use or
connection to incompatible equipment; or c) to service a product that has been
modified or integrated with other products when the effect of such modification or
integration increases the time or difficulty of servicing the product.
THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THIS
PRODUCT IN LIEU OF ANY OTHER WARRANTIES, EXPRESSED OR
IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. TEKTRONIX' RESPONSIBILITY TO REPAIR OR REPLACE
DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED
TO THE CUSTOMER FOR BREACH OF THIS WARRANTY. TEKTRONIX AND
ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF
WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE
POSSIBILITY OF SUCH DAMAGES.
Table of Contents
General Safety Summary . . . . . . . . . . . . . . . . . . v
Injury Precautions . . . . . . . . . . . . . . . . . . . . . v
Product Damage Precautions . . . . . . . . . . vi
Safety Terms and Symbols . . . . . . . . . . . . . vi
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Getting Started
Product Description . . . . . . . . . . . . . . . . . . . . . . . 11
J17 Photometer Features . . . . . . . . . . . . . . 11
Unpacking the J17 Photometer . . . . . . . . . 13
Repackaging for Shipment . . . . . . . . . . . . . 13
Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Battery and Power
Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Using Battery Power . . . . . . . . . . . . . . . . . . . 17
Using the Optional AC Power Adapter . . 19
Operating Basics
Functional Overview . . . . . . . . . . . . . . . . . . . . . . 2-1
The J17 Display . . . . . . . . . . . . . . . . . . . . . . . 2-2
The J17 Side Panel . . . . . . . . . . . . . . . . . . . . 2-3
J17 Instruction Manual i
Table of Contents
Reference
RS 232D Interface . . . . . . . . . . . . . . . . . . . . . . . . 3-1
RS 232 Pin Connections . . . . . . . . . . . . . . . 3-2
Command Set . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Report Format . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Color Measurements . . . . . . . . . . . . . . . . . . . . . . 3-7
COLOR Button . . . . . . . . . . . . . . . . . . . . . . . . 3-7
J1820 Measurements . . . . . . . . . . . . . . . . . . 3-7
Specifications
Performance Verification
Maintenance
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Replaceable Parts
ii Contents
Table of Contents
Appendices
Appendix A:
Optional Accessories . . . . . . . . . . . . . . . . . . . . . A-1
Appendix B:
Photometry and Radiometry Reference . . . . B-1
Appendix C:
Chromaticity Reference . . . . . . . . . . . . . . . . . . . C-1
Glossary and Index
J17 Instruction Manual iii
Table of Contents
List of Figures
Figure 1 1: The J17 Photometer . . . . . . . . 1 2
Figure 1 2: Replacing the Battery . . . . . . 1 8
Figure 1 3: Location of J17 Power Adapter
Connector ............................ 1 9
Figure 3 1: Location of the RS 232D Port 3-1
Figure 3 2: RS 232 Pin Connections . . . . 3-2
Figure 3 3: RS 232D Report Format . . . . 3-5
Figure 6 1: Test Point Locations on the
A1 Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8
Figure 7 1: J17 Replaceable Parts . . . . . . 7-4
Figure B 1: CIE Photopic Curve . . . . . . . . B-5
Figure C 1: The 1931 CIE Chromaticity Diagram
C-3
Figure C 2: 1931 CIE Chromaticity Diagram
Showing Color Temperature . . . . . . . . . . . . C-4
Figure C 3: Correlated Color Temperature
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-5
Figure C 4: 1976 CIE UCS Chromaticity
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-7
Figure C 5: Spectral Tristimulus Values for
Equal Spectral Power Source
(CIE 1931 Standard 2