Huvitz CLM-4000 User manual

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Operator Manual
Auto Lensmeter CLM-4000

2CLM4000 User Guide --------------------------------------------------------------------------
IMPORTANT NOTICE
This product may malfunction due to electromagnetic waves caused by portable
personal telephones, transceivers, radio-controlled toys, etc. Be sure to avoid
having objects such as, which affect this product, brought near the product.
The information in this publication has been carefully checked and is believed to be
entirely accurate at the time of publication. HUVITZ assumes no responsibility,
however, for possible errors or omissions, or for any consequences resulting from
the use of the information contained herein.
HUVITZ reserves the right to make changes in its products or product
specifications at any time and without prior notice, and is not required to update
this documentation to reflect such changes.
©2004 - 2005 HUVITZ Co., Ltd.
689-3, Geumjeong-dong, Gunpo-si, Gyeonggi-do,
435-862, Republic of Korea
All rights are reserved.
Under copyright laws, this manual may not be copied, in whole or in part, without
the prior written consent of HUVITZ Co., Ltd.
Document Number: 9000OMLM101-A, published in 2006/07/20

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CONTENTS
1. INTRODUCTION.......................................................................................................6
1.1. OUTLINE OF THE INSTRUMENT..................................................................................6
1.2. CLASSIFICATION ......................................................................................................6
2. SAFETY INFORMATION..........................................................................................7
2.1. INTRODUCTION........................................................................................................7
2.2. SAFETY SYMBOLS ...................................................................................................8
2.3. ENVIRONMENT FACTORS..........................................................................................9
2.4. SAFETY PRECAUTIONS ..........................................................................................12
3. FEATURES............................................................................................................. 14
4. NOTES FOR USING THE INSTRUMENT..............................................................15
5. CONFIGURATIONS................................................................................................17
5.1. MAIN UNIT.............................................................................................................17
5.2. ACCESSORIES.......................................................................................................19
6. SETTINGS AND PREPARATION FOR OPERATING............................................20
6.1. RECEIVING INSPECTION .........................................................................................20
6.2. TEST AT START-UP.................................................................................................20
6.3. DISPLAY PROTECTION FUNCTION ............................................................................21
7. BUTTONS FOR OPERATIONS..............................................................................22
7.1. SWITCHING SCREEN ACCORDING TO THE BUTTON SELECTION................................22

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7.2. USAGE OF BUTTONS...............................................................................................23
8. DESCRIPTION OF SCREEN LAYOUT ..................................................................26
8.1. MEASUREMENT SCREEN ........................................................................................26
8.1.1. Detail explanation.........................................................................................27
8.2. ABOUT THE PROGRESSIVE DISPLAY.........................................................................29
8.2.1. Detail explanation.........................................................................................30
8.3. UV SCREEN ..........................................................................................................31
8.3.1. Detail explanation.........................................................................................31
8.4. CONTACT LENS DISPLAY ........................................................................................32
8.4.1. Detail explanation.........................................................................................32
8.5. SETUP SCREEN .....................................................................................................34
8.5.1 Detail explanation.........................................................................................34
8.6. PRINTOUT FORMAT ................................................................................................41
9. MEASUREMENTS..................................................................................................42
9.1. NORMAL LENSES....................................................................................................42
9.2. FRAMED LENSES....................................................................................................46
9.3. PROGRESSIVE MULTI-FOCAL LENSES .....................................................................49
9.3.1. The structure of progressive powered lens ..................................................49
9.3.2. Judging progressive lens..............................................................................51
9.3.3. Measuring a progressive lens for far vision power .......................................52
9.3.4. Measuring a progressive lens for near vision power ....................................53
9.3.5. Troubleshooting for progressive measurement............................................55
9.4. GENERAL MULTI-FOCAL LENSES.............................................................................57
9.4.1. Measuring at The Normal Display ................................................................57

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9.4.2. Measuring at The Progressive Display.........................................................57
9.5. HARD CONTACT LENSES........................................................................................58
9.6. SOFT CONTACT LENSES ........................................................................................59
9.7. TRANSMISSION RATIO OF UV LIGHT .......................................................................61
9.8. MARKING FOCUS AND CYLINDRICAL AXIS................................................................62
9.8.1. When there is no astigmatism......................................................................62
9.8.2. When there is astigmatism...........................................................................63
9.9. PRISM...................................................................................................................64
10. MAINTENANCE......................................................................................................65
10.1. REPLACING PRINTING PAPER .............................................................................65
10.2. REPLACING FUSE...............................................................................................66
10.3. RETOUCHING INK...............................................................................................68
10.4. STORAGE ..........................................................................................................69
10.5. DISPOSAL..........................................................................................................70
11. TROUBLESHOOTING............................................................................................ 71
11.1. VARIOUS MESSAGES..........................................................................................71
11.2. HOW TO CLEAN PIN HOLE ...................................................................................72
12. SPECIFICATIONS ..................................................................................................73
13. COMPONENTS LIST..............................................................................................75
14. SERVICE INFORMATION ......................................................................................76

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1. Introduction
1.1. Outline of the instrument
The Automatic Lensmeter CLM-4000 is the equipment for measuring the refractive
power of lenses and gives the spherical, cylindrical and axis of the lenses.
The Automatic Lensmeter CLM-4000 also contains the PD(=pupil distance)
measurement and the UV Protection Ratio Test. The automatic lensmeter CLM-
4000 can measure both the uncutted singular lenses and the framed glasses.
Recently the Bi-Focal lenses or Progressive lenses for the elderly can be check
with this equipment. And also this instrument can measure soft contact lenses
easily and accurately using the specialized mechanical jig and the detailed display.
1.2. Classification
Protection against electric shock: Class I(earthed)
Installation Category: II
Pollution Degree: 2

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2. Safety Information
2.1. Introduction
Safety is everyone’s responsibility. The safe use of this equipment is largely
dependent upon the installer, user, operator, and maintainer. It is imperative that
personnel study and become familiar with this entire manual before attempting to
install, use, clean, service or adjust this equipment and any associated accessories.
It is paramount that the instructions contained in this manual are fully understood
and followed to enhance safety to the patient and the user/operator. It is for this
reason that the following safety notices have been placed appropriately within the
text of this manual to highlight safety related information or information requiring
special emphasis. All users, operators, and maintainers must be familiar with and
pay particular attention to all Warnings and Cautions incorporated herein.
“Warning “ indicates the presence of a hazard that could result in severe personal
injury, death or substantial property damage if ignored.
NOTE
“Note” describes information for the installation, operation, or maintenance of which
is important but hazard related if ignored.
“Caution” indicates the presence of a hazard that could result in minor injury, or
property damaged if ignored.
!WARNING
!C
A
UTION

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2.2. Safety Symbols
The International Electrotechnical Commission (IEC) has established a set of
symbols for medical electronic equipment which classify a connection or warn of
any potential hazards. The classifications and symbols are shown below.
Save these instructions
I and O on power switch represent ON and OFF
respectively.
This symbol identifies a safety note. Ensure you understand
the function of this control before using it. Control function
is described in the appropriate User’s or Service Manual.
Manufactured by xxxx (year).
Identifies the point where the system safety ground is
fastened to the chassis. Protective earth connected to
conductive parts of Class I equipment for safety purposes.
Alternating Current

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Extra Symbols
External serial communication port. User can transmit the
memorized data to other equipment such as Huvitz’s other
machines or PC.
2.3. Environment factors
Avoid the following environments for operation or storage:
Where the equipment is exposed to water vapor.
Don’t operate an equipment with a wet hand.
Where The temperature changes extremely.
Normal operating temperature range is from 10°C to 40°C,
Humidity is from 50% to 80%.
Where the humidity is extremely high or there is a
ventilation problem.
Where equipment is exposed to chemical material or
explosive gas.
COM