Topcon PixelChart PC-50S Instruction Manual
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Topcon PixelChart PC-50S Instruction Manual

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INSTRUCTION MANUAL
PixelChart
PC-50S

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  • Page 1 INSTRUCTION MANUAL PixelChart PC-50S...

  • Page 3: Introduction

    • You can set the test distance by intervals of 25cm in the range of 2.5m ~ 6m. • Maintenance-free design because the display unit is made of liquid crystal. This instruction manual outlines the PixelChart PC-50S, including the basic operation, trouble shooting, maintenance and cleaning of this product.

  • Page 4: Cautions For Use

    (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]) CHECKPOINTS FOR MAINTENANCE Maintenance by user 1. Regularly maintain and check the instrument and its parts.

  • Page 5: Display For Safe Use

    DISPLAY 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. We suggest that everyone using the instrument understands the meaning of the following displays, icons and text before reading the "SAFETY CAUTIONS"...

  • Page 6: Safety Cautions

    To avoid electric shock, do not remove the cover. Contact your local autho- rized dealer or Topcon office (listed in back cover) to repair the instrument. To avoid fire and electric shock, install the instrument in a place free of water ---- and other liquids.
  • Page 7 CAUTION Icons Prevention Item Page To avoid electric shock, do not handle the plugs with wet fingers. To avoid electric shock, do not touch the external connection terminal and the patient at the same time. Tighten the screws securely not to be loosened. If the screw is loosened, the instrument may fall off to cause a trouble or injure someone.
  • Page 8 CAUTION To prevent the reliability of the measurement result from being lowered, set the test distance of the instrument correctly. Be careful not to damage the liquid crystal display or stain it with fingerprint, dust or others. The reliability of the measurement result may be lowered. This instrument has been tested (with 100V/230V) and found to comply with IEC60601-1-2 Ed.3.0: 2007.

  • Page 9: Maintainable Range

    41 in this manual. ESCAPE CLAUSE • 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: Warning Displays And Positions

    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 man- ual.

  • Page 11: Table Of Contents

    CONTENTS INTRODUCTION ..........................1 CAUTIONS FOR USE ......................... 2 ENVIRONMENTAL CONDITIONS FOR USE ................2 STORING METHOD, USAGE PERIOD AND OTHERS .............. 2 CHECKPOINTS FOR MAINTENANCE ..................2 DISPLAY FOR SAFE USE ....................... 3 SAFETY CAUTIONS ........................4 MAINTAINABLE RANGE ......................... 7 USER MAINTENANCE .......................
  • Page 12 OTHER SPECIFICATIONS ......................44 DIMENSIONS AND WEIGHT ......................44 ELECTRIC RATING ........................44 ELECTROMAGNETIC COMPATIBILITY ..................45 Requirements for the EXTERNAL DEVICE ................... 48 SYSTEM CLASSIFICATION ......................49 CONVERSION OF TEST DISTANCE (REFERENCE) ..............49 SHAPE OF PLUG .......................... 50 SYMBOL ............................

  • Page 13: 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 TOPCON office (listed in the back cover). Instruction manual (1)

  • Page 14: Nomenclature

    NOMENCLATURE To avoid electric shock, do not touch the external connection terminal CAUTION and the patient at the same time. Front surface Liquid crystal display: Presents the chart. Fixation target lamp: Used for the Maddox test and others. Pilot lamp: Displays the power supply condition of the instrument.
  • Page 15 Side surface Cover is attached to the analog VGA connector. Don't use this connector. DVI connector: Used to connect with the external devices (CV-5000 only). Ask the serviceman to connect the instrument with the external devices. AC adapter jack: Used to connect the power plug. NOMENCLATURE...

  • Page 16: Preparation Before Use

    PREPARATION BEFORE USE INSTALLING THE INSTRUMENT When installing the instrument, keep the space of 5cm or more above and under the instrument not to block the vents on its top and bottom CAUTION surfaces. The instrument may be heated to burn someone or cause a trouble.
  • Page 17 When installing the instrument on a wall, use the wall-mounting metal fixture, which is one of the components, and install it on the strong wall CAUTION that can support its weight. (Do not install it on the plaster-board wall.) The instrument may fall off to cause a trouble or injure someone. Fix the wall-mounting metal fixture on the wall as taking care for its direction.

  • Page 18: Connecting To Compu-Vision Cv-5000

    CONNECTING TO COMPU-VISION CV-5000 This instrument is connected to the CV system and is used as a visual acuity chart. As shown below, connect the image cable to the DVI connector of this instrument. This instrument can be connected to only the following devices: CV POWER SUPPLY UNIT WITH BUILT-IN PERSONAL COMPUTER or the personal computer connected to CV POWER SUPPLY UNIT WITH EXTERNAL PERSONAL COMPUTER.

  • Page 19: Connecting The Power Cord

    CONNECTING THE POWER CORD To avoid fire and electric shock in case of leakage, be sure to use a WARNING grounded outlet. Do not connect to outlets that are not grounded. CAUTION To avoid electric shock, do not handle the plugs with wet fingers. Set the AC adapter to the side surface of the instrument.

  • Page 20: Pilot Lamp Status

    PILOT LAMP STATUS The pilot lamp color in each instrument status is shown below. (1) OFF: AC adapter; Not connected. Power switch; ON/OFF (2) Lit in orange: AC adapter; Connected. Power switch; OFF (3) Lit in green: AC adapter; Connected. Power switch;...
  • Page 21 Set "PC-50S" for "Device" of "For far vision" and "F" for "Type" (This manual will explain the example in which "F" is used as "Type".). Then, select "PC-50S" for "Chart monitor selection". Touch the [Chart software config.] button and then the [Chart settings] button. The "CHART SETTINGS"...

  • Page 22: Indication Of Chart

    INDICATION OF CHART PC-50S has the functions peculiar to the image indication type. This instruction manual will explain the charts peculiar to PC-50S. For general indication of chart, refer to the Compu-Vision CV-5000 instruction manual. This manual will explain the indication of chart when "F" is used as "Type". The Compu-Vision CV-5000 instruction manual describes the tests when the charts ACP-8 is used.
  • Page 23 Reversing the black-and-white condition of chart While the visual acuity chart is indicated, press the [Shift] switch. The [Reverse] button is displayed as the function button. Touch the [Reverse] button. The black-and-white condition of the chart being dis- played is reversed. * When operating through mouse/personal computer: Click the button on the CV software screen, and the black-and-white condition of the chart...
  • Page 24 Astigmatism chart (application of the active chart) For the astigmatism chart, two or more types of radiation can be selected by setting. Moreover, there is the function to indicate the cylinder axis more accurately. Select the astigmatism chart from the chart page and indicate it on the liquid crystal display. You can perform the normal astigmatism test in this condition.
  • Page 25 Special function (Single rate character contrast) It is possible to indicate the whole chart in the single contrast rate. The example of use is shown below. Indicate the tumbling E chart [0.2-0.4]. Touch the [Contrast] button among the function buttons. The contrast selection menu is displayed.
  • Page 26 Special function (Plural rate character contrast) Different contrast rate is given to each column of the chart and, in this condition, the chart can be indi- cated. The example of use is shown below. Indicate the tumbling E chart [0.2-0.4]. Touch the [Contrast] button among the function buttons.
  • Page 27 Picture Select the image from the chart page. Icon on the chart page The near-point image is appeared on KB-50S and the far-point image, on the PC-50S display. When operating through mouse/personal computer, the near-point image does not appear. Near-point image (KB-50S) Far-point image (PC-50S) Touch the [Display] button among the function buttons, and the near-point image (KB-50S) is canceled.
  • Page 28 Movie Select "Movie" from the chart page. The movie is played. Icon on the chart page Select any other chart. The movie is finished and the chart is appeared. Custom chart Still images and movies prepared by the user appear on the instrument. For slideshow, still images can be registered up to "20"...
  • Page 29 Touch the [Chart page registration] button on the "Chart settings" screen to display the "Chart page registration" screen. Register the icons for the custom still image, custom movie and cus- tom slideshow. Custom still image Custom movie Custom slideshow Return to the test screen. Touch the icons of the custom still image, custom movie and custom slideshow to play back the still image and movie.
  • Page 30 • Movie to be saved in "Movie" The movie conditions are as follows: It is a WMV video encoded by CODEC Windows Media Video 7 - 9. The maximum movie size is 1280×1024. The bit rate is 10Mbps and frame rate is 30fps.
  • Page 31 BALANCE TEST (POLARIZATION) Refer to "BALANCE TEST (POLARIZATION)" in the CV-5000 instruction manual for details of the test method. Set the red and green lenses on the instrument, which are the auxiliary lenses, to the right and left eyes respectively and then perform the test. Item Description The red lens is set to the right eye and the green...
  • Page 32 COINCIDENCE TEST (V) Refer to "COINCIDENCE TEST (V)" in the CV-5000 instruction manual for details of the test method. Set the red and green lenses on this instrument, which are the auxiliary lenses, to the right and left eyes respectively and then perform the test. Item Description The red lens is set to the right eye and the green...
  • Page 33 PHORIA TEST (POL. CROSS) Refer to "PHORIA TEST (POL. CROSS)" in the CV-5000 instruction manual for details of the test method. Set the red and green lenses on the instrument, which are the auxiliary lenses, to the right and left eyes respectively and then perform the test.
  • Page 34 FIXATION DISPARITY TEST (POL. CROSS WITH FIXATION TARGET) Refer to "FIXATION DISPARITY TEST (POL. CROSS WITH FIXATION TARGET)" in the CV-5000 instruction manual for details of the test method. Set the red and green lenses on the instrument, which are the auxiliary lenses, to the right and left eyes respectively and then perform the test.
  • Page 35 ETDRS chart The instrument indicates the ETDRS chart where the visual acuity is changed in turn from the upper- column. Select the ETDRS chart icon on the chart page, and this chart is displayed. There are two types of ETDRS chart as shown below. The visual acuity values in the ETDRS chart are shown below.

  • Page 36: Setting

    SETTING SETTING THE LIQUID CRYSTAL DISPLAY You can set data for the liquid crystal display by using the function switches on the bottom of the instru- ment body. Only when the image cable is connected, the setting menu of the instrument is displayed. From the rightmost, the power switch and the function switches [1] to [3] are arranged in order.

  • Page 37: Setting The Chart

    SETTING THE CHART You can set the chart through the CV system. SETTING PROCEDURE As pressing the [Shift] switch, press the [Menu] switch. The "Settings" menu is displayed. Touch the [Chart settings] button. The menu to select the chart that should be connected is displayed. Touch the [Chart software config.] button.
  • Page 38 SET ITEMS You can set "Chart settings" and "RGB settings" on the chart setting menu. Chart settings The items that can be changed by [Chart settings] are shown below. After setting is finished, touch the [OK] button. 1. Exam distance Set the test distance.
  • Page 39 RGB setting You can specify the color of the chart indicated by this instrument. You can set the color for the back- ground and R/G chart on "Page 1", for the binocular function chart (black background type) on "Page 2" and for the binocular function chart (white background type) on "Page 3". 1.

  • Page 40: Trouble Shooting

    If, after following the instructions below, you still cannot restore the instrument to a normal condition or if the problem does not fall into any of the categories below, contact your dealer or TOPCON office (listed in the back cover).
  • Page 41 CV software. Then, change the set- (Error Code 701)" ting again. *1 *1: If the error occurs frequently, contact the TOPCON support section. *2: Refer to the instruction manual of the wireless unit (commercial product). TROUBLE SHOOTING...

  • Page 42: Maintenance

    MAINTENANCE To avoid fire or electric shock, turn off the power of the instrument and WARNING 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 43 In this condition, fix the screws securely. If not, the instrument may fall off to cause a trouble or injure someone. Check the fixing screws for looseness periodically. (Topcon recom- NOTICE mends once a month.) When using the wall-mounting metal fixture Check the PC-50S mounting screws for looseness and besides, check the looseness between the wall-mounting metal fixture and wall.

  • Page 44: User Maintenance Items

    USER MAINTENANCE ITEMS Item Inspection time Contents Inspection Before using • The instrument must operate normally. • The liquid crystal display must be free of stain or damage. • The mounting screw must not be loosened. Cleaning When the part is •...

  • Page 45: Specifications & Performance

    SPECIFICATIONS & PERFORMANCE OPERATION PRINCIPLE Receives the test chart data and indicates it on the liquid crystal display. PURPOSE OF USE/EFFICACY OR EFFECT This instrument displays the visual acuity chart data output by the following two units and is used as the visual acuity chart in the visual function test.

  • Page 46: Other Specifications

    OTHER SPECIFICATIONS Liquid crystal display : 19 type SXGA (pixels: 1280×1024) Test distance : Standard 5m (This can be set at intervals of 25cm in the range of 2.5 - 6m; or at intervals of 20ft.) Luminance : 80 - 320cd/m Contrast : 85% or more External input/output port : DVI connector...

  • Page 47: Electromagnetic Compatibility

    ELECTROMAGNETIC COMPATIBILITY This product conforms to the EMC standard (IEC 60601-1-2 Ed.3.0: 2007). a) MEDICAL ELECTRICAL EQUIPMENT needs special precautions regarding EMC and needs to be installed and put into service according to the EMC information provided in the ACCOMPANYING DOCUMENTS.
  • Page 48 Guidance and manufacturer's declaration - electromagnetic immunity The PC-50S is intended for use in the electromagnetic environment specified below. The customer or the user of the PC-50S should assure that it is used in such an environment. IEC 60601 Compliance Electromagnetic environment - Immunity test test level...
  • Page 49 Guidance and manufacturer's declaration - electromagnetic immunity The PC-50S is intended for use in the electromagnetic environment specified below. The customer or the user of the PC-50S should assure that it is used in such an environment. IEC 60601 Compliance Electromagnetic environment - Immunity test test level...

  • Page 50: Requirements For The External Device

    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). SPECIFICATIONS & PERFORMANCE...

  • Page 51: System Classification

    SYSTEM CLASSIFICATION Type of protection against electric shocks: This instrument is classified as Class I equipment. Class I equipment does not depend only on basic insulation for protection against electric shocks, but also provides a means of connection to a protective earth system of facilities so that metal parts that come into contact do not become conductive while the basic insulation is in failure.

  • Page 52: Shape Of Plug

    ISO 7010-W001 General warning sign général AC ADAPTER When ordering the AC adapter, tell the product name and quantity to your dealer or TOPCON (listed in the back cover). • AC adapter Part name No. : 42428 9001 Input : 100-240V, 50-60Hz, 1.5A...
  • Page 53 Please provide us with as much detail as possible on the problem. PixelChart PC-50S INSTRUCTION MANUAL Version of 2011 (1106-100TH Date of issue: June 3, 2011 Published by TOPCON CORPORATION 75-1 Hasunuma-cho, Itabashi-ku, Tokyo, 174-8580 Japan ©2011 TOPCON CORPORATION ALL RIGHTS RESERVED...
  • Page 54 PixelChart PC-50S 42428 90050 Printed in Japan 1106-100TH...

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