CL-100 Lensmeter Instruction Manual April 1999

Copyrights and trademarks CL-100 is a trademark of the TOPCON Corporation. © TOPCON 1999

INTRODUCTION

Thank you very much for purchasing the TOPCON CL-100 Computerised Lens meter. This Instruction Manual gives a description of the TOPCON CL-100. This includes its main features and basic operation, troubleshooting and the checking, maintenance and cleaning of this instrument. Please read the section Displays for safe use on page v and the section Safety precautions on page vi carefully before the instrument is put into operation. To get the best use from this instrument, read these instructions carefully and place this manual in a convenient location for future reference.

Computerised Lens meter CL-100

Precautions

● This Computerised Lens meter is a piece of precision equipment,

which needs to be used and kept in places under normal conditions regarding temperature and humidity. Do not expose the instrument to direct sunlight. ● To ensure best use, install the instrument on a level floor, free from any vibration. ● Always check that all cables are plugged in correctly before use. WARNING: For your own safety always make sure the instrument is correctly grounded for compatibility with high currents. Never disable the grounding plug of the power cord. ● Use a power supply within the range of ±10% of the rated voltage of ● ●

●

●

AC 100V ±10% (50/60 Hz). Make sure that no fingerprints or foreign matter remain on the objective lens. TOPCON Topcon is not responsible for any modification caused by disassembly or adjustments made by unauthorized dealers or persons. If any trouble occurs with your instrument or its accessories, first refer to the troubleshooting guide in this manual and carry out the checks listed there. If nothing is found during your check, then contact your authorised dealer or TOPCON to service it. Always turn the power source off and place the dust cover on the instrument when it is not in operation.

Selecting externally connected equipment The TOPCON CL-100 complies with the CE marking.

Before connecting a personal computer, image recorder, image printer, TV camera, or monitor to the TOPCON product, make sure that such external equipment is in compliance with the CE marking.

iv

Introduction

Displays for safe use Important warnings are placed on the products and inserted in the instruction manuals, in order to encourage the safe use of products and prevent any danger to the operator and others or damage to existing facilities. We advise that everyone understands the meaning of the following displays and icons before reading the "Safety precautions" and text.

Meaning of displays

Display

Meaning

Ignoring or disregarding this display may result in serious injury or lead to life-threatening situations. WARNING

Ignoring or disregarding this display may lead to personal injury or severe damage to the instrument or facilities. PRECAUTIONS ● Potential injury includes wounds, burns, electric shocks, etc. ● Damage to facilities refers to extensive damage to buildings,

equipment and furniture.

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Computerised Lens meter CL-100

Meaning of icons

Icons

Meaning This indicates Mandatory Action. Specific content is expressed with words or an image, located close to the icon. This icon indicates a Hazard Alert (Warning). Specific content is expressed with words or an image, located close to the icon. This indicates Prohibition. Specific content is expressed with words or an image, located close to the icon.

Safety precautions This instruction manual specifies safety precautions necessary to prevent accidents. Always observe these precautions and use the instrument correctly.

vi

Introduction

WARNING Icons

Prevention item

Page

● Disconnect the power plug from the outlet before

removing a fuse in order to replace it. Removing the fuse cover without disconnecting the power plug, may result in an electric shock.

46

Also avoid connecting the power plug to the outlet with the fuse uncovered. ● Disconnect the power plug from the outlet before

assembling the instrument. An electric shock may otherwise occur.

n.a.

Do not connect the power plug to the outlet while the instrument is being assembled. ● Be sure to use a properly rated fuse, provided in the

accessory box. Use of a fuse different to the properly rated fuse may lead to a fire if and when a malfunction occurs.

46

● In the event of an impending emergency, visible smoke

for example, turn off the power switch immediately and disconnect the power plug from the outlet. Continued use in spite of such conditions, may cause a fire. Contact your authorised dealer, for repairs and service.

n.a.

Operation and maintenance Purpose This retinal camera is a piece of precision electrical equipment for medical use, which must be used according to a doctor’s instructions.

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Computerised Lens meter CL-100

User maintenance To ensure the safety and performance of the instrument, unless otherwise specified in this manual, the maintenance should only be carried out by a trained service technician. The following maintenance tasks, however, can be performed by the user. We refer you to the applicable text in this manual, with regard to the maintenance method. Fuse replacement

The primary and secondary fuses for the main body can be replaced by a non-trained service technician. For details, we refer you to the applicable text in this manual.

TOPCON instruments general statements

● TOPCON shall not take any responsibility for damage due to fire,

earthquakes, actions by third persons and other accidents, or the negligence and misuse by the user or use under unusual conditions. ● TOPCON shall not take any responsibility for damage resulting from the inability to use this equipment, such as a loss of business profit and suspension of business. ● TOPCON shall not take any responsibility for damage caused by operations other than those described in this Instruction Manual. ● The diagnoses that are made are the responsibility of relevant doctors, and TOPCON shall not take any responsibility for the results of such diagnoses.

viii

Introduction

Warning indications and positions To ensure safe operation of this equipment, warning indications are provided. Adhere to the following warning instructions.

CAUTION • When replacing the fuse, turn off the power switch and unplug the power cord in advance to prevent an electric shock. • Use only a properly rated fuse.

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Computerised Lens meter CL-100

x

Contents

INTRODUCTION Precautions

iv

Selecting externally connected equipment... iv

Displays for safe use Meaning of displays...

v v

Safety precautions

vi

Operation and maintenance

vii

Purpose... vii User maintenance... viii

1

TOPCON instruments general statements

viii

Warning indications and positions

ix

COMPONENTS 1.1 1.1.1

1.2

Main Body

15

Accessories... 17

TV Monitor

18

1.2.1

Monitor screen... 18

1.2.2

Menu screen... 21

1.2.3

Menu list... 22

Computerised Lens meter CL-100

2

BASIC OPERATION 2.1

Preparation

25

2.2

Setting the paper (with-printer type)

26

2.3

Measuring

27

2.3.1

Checking before measuring... 27

2.3.2

Measuring a single lens... 27

2.3.3

Measuring a framed lens... 28

2.3.4

Assessing a progressive lens... 29

2.3.5

Measuring a progressive lens for far vision power (excluding prism prescription lens)... 31

2.3.6

Measuring a progressive lens for near vision power... 32

2.3.7

Measuring a bi-focal and tri-focal lens... 33

2.3.8

Measuring an unprocessed progressive lens... 34

2.3.9

Mode to measure the diopter power of lenses with the concave side up... 34

2.3.10

Measuring a contact lens... 35

2.4

37

2.4.1

Marking a lens without astigmatism... 37

2.4.2

Marking a lens with astigmatism... 38

2.4.3

Marking a lens with prism power... 39

2.5

Printing the additional textbox (with-printer type)

41

2.6

Setting a sequence no.

42

2.7

Abbe compensation function

43

2.8

Lens protection PAD

43

2.9

Using the instrument as a system

44

3

xii

Axis marking (cartridge specification/steel needle specification)

MAINTENANCE 3.1

Daily care

45

3.2

Auto shut-off

45

3.3

Replacing fuses

46

3.4

Replacing the marking ink cartridge (the same applies to the optional steel needle)

47

3.5

Ink supply for the steel needle (optional)

48

3.6

Cleaning cover glasses

48

3.7

List of expendables and spare parts

49

Contents

4

5

TROUBLESHOOTING 4.1

Before requesting service

51

4.2

Error code list

52

4.3

Troubleshooting table

53

SPECIFICATIONS

55

INSTRUCTION MANUAL

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Computerised Lens meter CL-100

xiv

1

COMPONENTS

1.1 Main Body

(1)

(7)

(8) (2) (3) (4)

(5)

(6)

(9)

Computerised Lens meter CL-100

(1)

TV Monitor:

(2)

Lens retainer

(3)

Lens table

(4)

Lens support

(5)

MEMORY button

(6)

Power supply

(7)

BRIGHT control dial

(8)

Axis marker lever

(9)

Lens table lever

(10)

(10)

(11)

(12)

(13)

(14)

(15)

Mode buttons Pressed to change the mode, and when pressed;

Returns to the initial state. Pressed on to connect the spectral transmittance meter (optical). If you already know the progressive lens, this will be the starting point for far vision power management. Calls up the Menu screen.

(11)

TRANS button Used to change (+) to (-) and vice versa in displayed cylinder value.

(12)

R/L button Used to designate R for right lens or L for left lens.

(13)

CLEAR button Used to delete memory data.

(14)

PRINT button Press to output RC-232C data. Press to print out the measurement data (with printer-type).

16

Components

(15)

MEMORY button Used to store the measurement data.

1.1.1

Accessories Description

Quantity

Contact lens support

1 set

Lens protection pad

1 set

Dust cover

1 pc.

Silicon cloth

1 pc.

Fuses

2 pcs.

Printer paper *

2 rolls

Printer paper shaft *

1 pc.

Steel needle marking set (steel needle, supply ink, ink bottle and holder) **

1 set

*

* Only included with printer type model ** Optional accessory

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Computerised Lens meter CL-100

1.2 TV Monitor 1.2.1 Optical center off center. "OFF CENTER" is displayed when the optical center is off centre by 4∆ or more.

"ALIGNMENT OK" appears when the lens is ready for measurement.

18

Monitor screen

Components

Place + in center. "MARKING OK" appears, and the lateral line will extend, getting the instrument ready for marking.

(20)

(21) (16) (17) (22) (18)

(19) (23)

(24)

(16)

Left-eye lens

(17)

Transpose

(18)

Axial angle (every 5˚)

(19)

OFF CENTER, ERROR, ALIGNMENT OK, MARKING OK

(20)

HARD.C (Hard Contact), SOFT.C (Soft Contact), PAD (Lens Protection Pad)

(21)

Right-eye lens (Inversion indicates storage status)

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Computerised Lens meter CL-100

(22)

AUTO R/L on status (auto memory and auto R/L switching) When AUTO is displayed inversion, R/L auto-memory off. AUTO PRINT wait status

(23)

When a high-refraction lens diopter is compensated

(24)

Step

Enlargement When MENU/DISPLAY/HORIZONTAL LARGE is selected, the SCA display is horizontally enlarged to make it easier to see.

When MENU/DISPLAY/VERTICAL LARGE is selected, the SCA display is vertically enlarged to make it easier to see. The graphic moves to the opposite side.

20