Topcon MC-4S User Manual
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Topcon MC-4S User Manual

Topcon MC-4S User Manual

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USER MANUAL
MIRROR CHART
MC-4S

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Summary of Contents for Topcon MC-4S

  • Page 1 USER MANUAL MIRROR CHART MC-4S...

  • Page 3: Introduction

    There are three methods to operate the MC-4S through the CV-5000. • Operate the MC-4S with the 1Dial Controller KB-50S. • Connect the mouse to the monitor and operate the MC-4S with the mouse. • Connect a personal computer to the CV-5000 and operate the MC-4S with it.
  • Page 4 3. The contents of this manual are correct to the best of our knowledge. Please inform us of any ambiguous or erroneous descriptions, missing information, etc. 4. Original Instructions This instruction manual was originally written in English. ©2011 TOPCON CORPORATION ALL RIGHTS RESERVED...

  • Page 5: Table Of Contents

    HOW TO ADJUST ALIGNMENT ....................20 INDICATION OF CHART ...................... 21 TEST CHART LIST ........................21 OPERATION AFTER USE ......................26 CHART FUNCTIONS UNIQUE TO THE MC-4S ..........27 BLACK-AND-WHITE REVERSING FUNCTION ................27 CHARACTER CONTRAST CHANGING FUNCTION ..............29 ACTIVE CHART ..........................34 DISPLAY OF STILL IMAGE/MOVIE ....................
  • Page 6 SPECIFICATIONS & PERFORMANCE ..............62 SPECIFICATIONS BY ITEMS ......................62 OTHER SPECIFICATIONS ......................62 GENERAL INFORMATION ON USAGE AND MAINTENANCE ....63 PURPOSE OF USE/EFFICACY OR EFFECT ................63 ENVIRONMENTAL CONDITIONS FOR USE ................63 STORING METHOD, USAGE PERIOD AND OTHERS ..............63 ELECTRIC RATING ........................

  • Page 7: General Safety Information

    GENERAL SAFETY INFORMATION WARNINGS Preventing Electric Shock and Fire. To avoid injury, do not touch the terminal while the AC adapter is in use. To avoid fire and electric shock, install the instrument in a place free of water and other liquids. To avoid fire and electric shock, do not insert metal objects into any clearance, etc.
  • Page 8 Please consult the dealer from whom you purchased the instrument if you have any additional questions. Connect devices complying with UL60950/UL60950-1, UL60601-1 or IEC60950/ IEC60950-1 to the MC-4S. Ask the authorized Topcon representative service engineer to connect the device.

  • Page 9: General Maintenance Information

    MAINTENANCE ITEMS” on page 58 of this manual. DISCLAIMERS • TOPCON shall not take any responsibility for damage due to fire, earthquakes, actions by third per- sons and other accidents, or damage due to negligence and misuse by the user and any use under unusual conditions.

  • Page 10: Displays And Symbols For Safe Use

    DISPLAYS AND SYMBOLS FOR SAFE USE To encourage safe and proper use and to prevent danger to the operator and others or potential damage to property, important cautionary messages are placed on the instrument body and inserted in the instruc- tion manual.

  • Page 11: Positions Of Warning And Caution Indications

    To ensure safety, the machine provides warning displays. Use the instrument correctly by observing the display instructions. If any of the following display labels are missing, contact your TOPCON dealer or your local Topcon office listed on the back cover of this manual. Label...

  • Page 12: Before Use

    The table below shows the standard components. Make sure that you have all of the components. The numerical value in ( ) shows the quantity. If one of the standard components is not included in the package, contact your dealer or your local TOPCON office (listed on the back cover). User manual /...

  • Page 13: Nomenclature

    NOMENCLATURE To avoid electric shock, do not touch the external connection terminal CAUTIONS and the patient at the same time. Front surface Chart window: The patient watches the chart through this window. Power switch/Pilot lamp: The pilot lamp indicates the power status of the instrument. The pilot lamp is lit in orange when the instrument is plugged into the outlet.

  • Page 14: Nomenclature Of Alignment Emitter

    Lower rear surface NOTES Cover is attached to the analog VGA connector. Don't use this connector. Analog VGA connector: Usually this is not used. DVI connector: Used to connect with the external devices (CV-5000 only). Ask the service personnel to connect the instrument with the external devices.

  • Page 15: Preparation Before Use

    PREPARATION BEFORE USE INSTALLING THE INSTRUMENT • Be careful not to damage the chart window or stain it with fingerprints, dust or other contaminants. The reliability of the measurement result may be lowered. • Tighten the screws for the support metal fixture securely so they can- CAUTIONS not be loosened.

  • Page 16: Connecting To Compu-Vision Cv-5000

    SONAL COMPUTER. This instrument cannot be connected to the CV power supply unit and the personal computer connected with the CV power supply unit. CV system CV-5000 MC-4S Refer to the CV-5000 user manual for the connection method for the CV system. PREPARATION BEFORE USE...

  • Page 17: Connecting The Power Cord

    CONNECTING THE POWER CORD • To avoid fire and electric shock in case of leakage, be sure to use a WARNINGS grounded outlet. Do not connect to outlets that are not grounded. • To avoid electric shock, use only the attached AC adapter. CAUTIONS To avoid electric shock, do not handle the plugs with wet fingers.

  • Page 18: Pilot Lamp Status

    When using this instrument by connecting to a personal computer, it is necessary to display the desktop on the screen before starting the CV software. Set “Resolution: 640 x 480, 32- bit color (Screen refresh rate: 70Hz or more)” for the MC-4S monitor and connect it as the sub monitor in advance.
  • Page 19 Touch the [Chart settings] button. The menu to select the chart that should be connected is displayed. Set "MC-4S" for "Device" of "For far vision" and then select a type from "Type". Then, select "MC-4S" for "Chart monitor selection". Touch the [Chart software config.] button and then the [Chart settings] button. The "CHART SETTINGS"...

  • Page 20: Setting The Installing Distance

    SETTING THE INSTALLING DISTANCE • To avoid electric shock, when setting the installing distance do not make any contact with the patient and the sensor detector unit at the same time. CAUTIONS • Before setting the installing distance, make sure that the power switch of the instrument is OFF.

  • Page 21: Setting The Alignment Emitter

    SETTING THE ALIGNMENT EMITTER When installing two or more instruments in neighboring areas, it is necessary to set the channels of the instruments and controllers in order to prevent interference. (It is possible to install up to four instruments.) To avoid electric shock, when changing the setting of the alignment CAUTIONS emitter do not make any contact with the patient and alignment emitter at the same time.

  • Page 22: How To Adjust Alignment

    Adjust the chart indication position to the optimum within the range of 150mm at the right and left positions and 200mm in the upper and lower positions against the front of the chart window. • When the patient watches the chart through the TOPCON CV-5000 or other instruments, press the alignment emitter switch beside the examination win- dow.

  • Page 23: Indication Of Chart

    INDICATION OF CHART The MC-4S has the functions particular to the image indication type. This user manual will explain the chart functions that are unique to the MC-4S. For a general indication of charts, refer to the Compu-Vision CV-5000 user manual.
  • Page 24 Landolt ring chart: Landolt ring chart: Landolt ring chart: Hiragana screening Visual acuity 0.5, 0.6 Visual acuity 0.8, 0.9 Visual acuity 1.2, 1.5 chart and 0.7 and 1.0 and 2.0 Landolt screening chart ETDRS chart (1) ETDRS chart (2) Illustration chart RG chart RG binocular balance Binocular balance...
  • Page 25 Worth 4 Dots chart Cross cylinder chart (1) Cross cylinder chart (2) Cross cylinder chart (3) Astigmatism chart (1) Astigmatism chart (2) Astigmatism chart (3) • F type Letter E chart: Letter E chart: Letter E chart: Letter E chart: Visual acuity 0.03 Visual acuity 0.05 Visual acuity 0.1 and 0.16...
  • Page 26 Numeral chart: Chart for children: Chart for children: Chart for children: Visual acuity 1.0, 1.2 Visual acuity 0.2 and Visual acuity 0.4, 0.5 Visual acuity 0.7, 0.8 and 1.5 and 0.6 and 1.0 ETDRS chart (1) ETDRS chart (2) RG chart Binocular balance (polarization) chart Reticle heterophoria...
  • Page 27 • H1 type Alphabet chart: Alphabet chart: Alphabet chart: Alphabet chart: Visual acuity 400 Visual acuity 200 and 150 Visual acuity 100 and 80 Visual acuity 70, 60 and 50 Alphabet chart: Alphabet chart: Alphabet chart: Alphabet chart: Visual acuity 40, 30 and Visual acuity 30,25 and Visual acuity 20, 15 and Visual acuity 20...

  • Page 28: Operation After Use

    Chart for children: Chart for children: Chart for children: Visual ETDRS chart (1) Visual acuity 100 Visual acuity 80 and 60 acuity 40, 30 and 20 ETDRS chart (2) RG chart Binocular balance Cross chart with fixation (polarization) chart target (white back- ground) Fixation target chart Aniseikonia chart...

  • Page 29: Chart Functions Unique To The Mc-4S

    CHART FUNCTIONS UNIQUE TO THE MC-4S BLACK-AND-WHITE REVERSING FUNCTION The MC-4S has the ability to change the chart indicating black characters with white background to the one indicating white characters with black background in the visual acuity measurement. Relevant chart This function is applied to the visual acuity charts except the screening chart.
  • Page 30 Press the [Shift] key on the KB-50S and touch the [Reverse] button among the function buttons at the bottom of the screen. The reversed black-and-white condition of the chart indicated on the MC-4S is canceled. At the same time, the reversed condition of the chart is also canceled on the chart check display area of the KB-50S.

  • Page 31: Character Contrast Changing Function

    CHARACTER CONTRAST CHANGING FUNCTION In the MC-4S, the character contrast of the chart can be changed and displayed for visual acuity measure- ment. There are two display methods. "Single rate character contrast mode" changes the character contrast of the whole chart uniformly. "Plural rate character contrast mode" changes the contrast of each column on the chart.
  • Page 32 Touch the button of the desired contrast from the contrast setting menu. The chart indicated on the MC-4S is displayed with the selected contrast as shown below. • When operating the CV system through a mouse/personal computer, you can change the contrast with the same procedure.
  • Page 33 This function is applied to a visual acuity chart having 3 lines and 5 columns. An example of the test chart icon displayed on the chart page of the KB-50S: Usable chart Unusable chart CHART FUNCTIONS UNIQUE TO THE MC-4S...
  • Page 34 50S to display the contrast setting menu. Touch the [Plural rate] button in the contrast setting menu. As shown below, on the MC-4S, the chart is displayed under the condition that the columns are different in contrast by stages, 25%, 12.5%, 10%, 5% and 2.5% from the leftmost.
  • Page 35 • When operating the CV system through a mouse/personal computer, you can cancel the contrast with the same procedure. NOTES • When changing to a chart that is not applicable to this mode, the "Plural rate character contrast" mode is also canceled. CHART FUNCTIONS UNIQUE TO THE MC-4S...

  • Page 36: Active Chart

    ACTIVE CHART In the MC-4S, it is possible to use "Active chart" for testing/checking by making use of the characteristics of the built-in liquid crystal visual acuity chart. Prism simulation function With this function, you can move the target indicated to the right/left eyes in the phoria test. This func- tion is useful to explain the eye condition to the patient or check the patient's eye after the test.
  • Page 37 To finish "Simulation", touch the [Simulate] button again. The chart of the MC-4S is returned to the display status before executing "Simulation". The prism lens on the measuring head of the CV-5000 is set according to the current prism value.
  • Page 38 The changeable size range is -10% to 10% with the size rate of the left square against the right one. The size during changing is displayed on the function button at the bottom of the screen on the KB-50S. CHART FUNCTIONS UNIQUE TO THE MC-4S...
  • Page 39 KB-50S. To finish "Simulation", touch the [Simulate] button again. The chart of the MC-4S is returned to the display status before executing "Simulation". • When operating through a mouse/personal computer, do not turn the dial but click the button on the control window. Operate according to "Mouse Naviga- NOTES tion".
  • Page 40 To exit the "Astigmatism chart rotation" mode, touch the [Rotate] button again. The chart of the MC-4S is returned to the status before executing the "Astigmatism chart rotation" function. The cylinder power before executing the "Astigmatism chart rotation" mode is set with the current cylinder axis on the measuring head of the CV-5000.

  • Page 41: Display Of Still Image/Movie

    DISPLAY OF STILL IMAGE/MOVIE It is possible to display still images/movies on the MC-4S. In addition, the 3D still images and movies can be displayed by making use of the polarization chart characteristics. Still images and movies are preinstalled. It is also possible to display the still images and movies prepared by the customer.
  • Page 42 Chart page MC-4S Test screen Remarks icon Still image is displayed on MC-4S and the test screen. Still image is displayed on MC-4S and the test screen. Still image is displayed on MC-4S and the test screen. Still image is displayed on MC-4S and the test screen.
  • Page 43 This still image is the 3D still image. Watch this image through the polarized lens set on the measuring head of the CV-5000. It will be seen as a stereo- scopic vision. CHART FUNCTIONS UNIQUE TO THE MC-4S...
  • Page 44 • F type, H1 type Chart page MC-4S Test screen Remarks icon Still image is displayed on MC-4S and the test screen. Still image is displayed on MC-4S and the test screen. Still image is displayed on MC-4S and the test screen.
  • Page 45 Chart page MC-4S Test screen Remarks icon Still image is displayed on MC-4S and the test screen. This still image is the 3D still image. Watch this image through the polarized lens set on the measuring head of the CV-5000. It will be seen as a stereo- scopic vision.
  • Page 46 Select an optional still image icon from the chart page. Chart page icon (example) The still image is played. Select any other chart. The playback of the still image is finished and the NOTES selected chart is indicated. CHART FUNCTIONS UNIQUE TO THE MC-4S...
  • Page 47 Playback of movie Select "MOVIE" from the chart page. Chart page icon (example) The movie is played. Select any other chart. The playback of the movie is finished and the selected NOTES chart is indicated. CHART FUNCTIONS UNIQUE TO THE MC-4S...
  • Page 48 Playback of slideshow Select "Slideshow" from the chart page. Chart page icon The image slideshow is played. Select any other chart. "Slideshow" is canceled and the selected chart is indi- NOTES cated on the instrument. CHART FUNCTIONS UNIQUE TO THE MC-4S...

  • Page 49: Registration (User Customize) And Display/Playback Of Still Images/Movies

    2D or 3D still images and display them on the test screen in a link operation. For instance, it is possible to display a far image on the MC-4S and, on the test screen, display a nearby image.
  • Page 50 This folder contains the still images which are displayed on the test screen. This folder contains the 2D/3D still images which are displayed on the MC-4S. This folder contains the still images for the slideshow that are displayed on the MC-4S.
  • Page 51 Registration to the chart page of the KB-50S To display the user customizable contents on the MC-4S, it is necessary to add the icons concerned to the chart page of the KB-50S. Press the [Shift] key and [Menu] key of the KB-50S at the same time to display the "Settings"...
  • Page 52 3D still image. Select the icon to be registered as the 3D still image from the chart page and touch the [Modify] button. The "Change Parameters" screen is displayed. CHART FUNCTIONS UNIQUE TO THE MC-4S...
  • Page 53 The selected image of the user customizable contents is displayed and played. Select any other chart. The playback of the user customizable contents is fin- NOTES ished and the selected chart is indicated. CHART FUNCTIONS UNIQUE TO THE MC-4S...

  • Page 54: Setting The Visual Acuity Chart

    SETTING THE VISUAL ACUITY CHART You can set a variety of operations such as the installing distance of the MC-4S, the display status of mask, the display interval of a slideshow, etc. Set the visual acuity chart through the setting screen of the CV system.
  • Page 55 The "SETTING" menu of the MC-4S appears. Chart settings Touch the [Chart settings] button on the "SETTING" menu of the MC-4S, and the "CHART SETTINGS" screen appears. You can set the following items on the "CHART SETTINGS" screen: Examination distance Set the installing distance of the MC-4S.
  • Page 56 You can adjust the background color of the chart having the normal white background and the red and green of the Red/Green chart. When this screen appears, the display to check the adjusted color appears on the MC-4S screen. CHART FUNCTIONS UNIQUE TO THE MC-4S...
  • Page 57 Set "0", and the color ingredient is zero. Select "255", and the color ingredient is maximum. When changing the value of [R], [G] and [B], the change is effectuated in the color of the MC-4S screen at the same time. Adjust the object color while watching the screen.
  • Page 58 Set "0", and the color ingredient is zero. Select "255", and the color ingredient is maximum. When changing the value of [R], [G] and [B], the change is effectuated in the color of the MC-4S screen at the same time. Adjust the object color while watching the screen.

  • Page 59: Maintenance

    MAINTENANCE To avoid fire or electric shock, turn off the power of the instrument and WARNINGS remove the power plug from the outlet before inspecting or cleaning the instrument. Dust is a formidable foe to the instrument. Cover the machine when not in use. When not in use, turn off the power switch.

  • Page 60: User Maintenance Items

    Cleaning the monitor When there is dust on the monitor, open the maintenance cap and remove dust with a commercial blower or the like. USER MAINTENANCE ITEMS Item Inspection time Contents Inspection Before using • The instrument must operate normally. •...

  • Page 61: Before Requesting Service

    To avoid electric shock, do not remove the cover. Contact your local WARNINGS authorized dealer or your local Topcon office (listed on the back cover) to repair the instrument. Refer to the following check list when you encounter a problem.
  • Page 62 Make sure that "MC-4S" is set in "Chart moni- tor selection". After connecting, restart the CV system. "Fail to execute chart software. (Error Code It is probable that any other chart except the MC-4S is 604)" set in "Chart monitor selection" of "Chart settings".
  • Page 63 Restart the CV system and change the setting again. When the instrument is not reset, ask your local TOP- CON office to repair it. * When the errors occur frequently, contact your dealer or your local TOPCON office (listed on the back cover). BEFORE REQUESTING SERVICE...

  • Page 64: Specifications & Performance

    SPECIFICATIONS & PERFORMANCE SPECIFICATIONS BY ITEMS Test distance : 5.0m Test chart : Visual acuity test chart for visual acuity 0.03 - 2.0 and visual function test chart Chart display : Charts of one horizontal line, one vertical line, one character, R&G, reversed B&W are displayed.

  • Page 65: General Information On Usage And Maintenance

    (4) Do not store the instrument where chemicals are stored or gas is generated. 5. Usage period 8 years from delivery providing regular maintenance is performed (according to the self-certification [Topcon data]) GENERAL INFORMATION ON USAGE AND MAINTENANCE...

  • Page 66: Electric Rating

    Degree of protection against harmful ingress of water: IPx0 (MC-4S Mirror Chart and alignment emitter) The MC-4S has no protection against ingress of water. (The degree of protection against harmful ingress of water defined in IEC 60529 is IPx0.) Classification according to the method(s) of sterilization or disinfection recommended by the manufacturer: not applicable.

  • Page 67: Operation Principle

    OPERATION PRINCIPLE Receives the test chart data and indicates it on the liquid crystal display. By using the mirror, the patient can check the test chart data visually with the size of the regular distance in front of him/her. CHECKPOINTS FOR MAINTENANCE Maintenance by user 1.

  • Page 68: Patient's Environment

    Attention is drawn to the fact that local laws take priority over the above mentioned requirements. If in doubt, contact your dealer or TOPCON(see the back cover). GENERAL INFORMATION ON USAGE AND MAINTENANCE...

  • Page 69: Electromagnetic Compatibility

    42412 2090 Guidance and manufacturer's declaration - electromagnetic emissions The MC-4S is intended for use in the electromagnetic environment specified below. The customer or the user of the MC-4S should assure that it is used in such an environment. Emissions test...
  • Page 70 Guidance and manufacturer's declaration - electromagnetic immunity The MC-4S is intended for use in the electromagnetic environment specified below. The customer or the user of the MC-4S should assure that it is used in such an environment. IEC 60601 Compliance...
  • Page 71 If the measured field strength in the location in which the MC-4S is used exceeds the applicable RF compliance level above, the MC-4S should be observed to verify normal operation. If abnormal performance is observed, additional mea- sures may be necessary, such as reorienting or relocating the MC-4S.
  • Page 72 Recommended separation distance between portable and mobile RF communications equipment and the MC-4S The MC-4S is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the MC-4S can help prevent electromagnetic interference...

  • Page 73: Reference Material

    REFERENCE MATERIAL SHAPE OF PLUG Country Voltage/frequency Shape of plug Mexico 110V/50Hz Type C&E Argentina 220V/60Hz Type A Peru 220V/60Hz Type A Venezuela 110V/50Hz Type C&E Bolivia & Paraguay 220V/60Hz Type A (Most common) Type H (Infrequently) Chile 220V/60Hz Type A Colombia 110V/50Hz Type C...
  • Page 75 Please inform us of the date of purchase.  State of instrument: Please provide us with as much detail as possible on the problem. Mirror Chart MC-4S USER MANUAL Version of 2014 (1403-100TH Date of issue: March 31, 2014 Published by TOPCON CORPORATION 75-1 Hasunuma-cho, Itabashi-ku, Tokyo, 174-8580 Japan ©2014 TOPCON CORPORATION...
  • Page 76 Mirror Chart MC-4S 42496 90215 Printed in Japan 1403-100TH...

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