Ametek Reichert ClearChart 4P User Manual
Ametek Reichert ClearChart 4P User Manual

Ametek Reichert ClearChart 4P User Manual

Polarized digital acuity system

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ClearChart
4P
®
Polarized Digital Acuity System
User's Guide

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Summary of Contents for Ametek Reichert ClearChart 4P

  • Page 1 ClearChart ® Polarized Digital Acuity System User’s Guide...
  • Page 2 ©2018 AMETEK, Inc. Reichert, Reichert Technologies, Phoroptor and ClearChart are registered trademarks of Reichert, Inc. AMETEK is a registered trademark of AMETEK, Inc. Bluetooth is a registered trademark of Bluetooth SIG. All other trademarks are property of their respective owners.
  • Page 3: Table Of Contents

    Contents Warnings and Cautions ....................4 Symbol Information......................6 Introduction ........................7 Indications for Use ....................7 Contraindications ....................7 Installation, Features, & Functions ................... 8 Unpacking and Contents..................8 Wall Mounting Instructions .................. 9 Articulating Wall Mount ..................10 Parts Included in the Articulating Wall Mount ..........
  • Page 4: Warnings And Cautions

    Warnings & Cautions Reichert, Inc. (Reichert) is not responsible for the safety and reliability of this instrument when: • Assembly, disassembly, repair, or modification is made by unauthorized dealers or persons. • Instrument is not used in accordance with this User’s Guide. WARNING: AN INSTRUCTION THAT DRAWS ATTENTION TO RISK OF INJURY OR DEATH. WARNING: UNITED STATES FEDERAL LAW AND EUROPEAN REGULATIONS REQUIRE THAT THIS DEVICE BE PURCHASED ONLY BY A PHYSICIAN OR A PERSON ACTING ON BEHALF OF A PHYSICIAN.
  • Page 5 Warnings & Cautions (continued) WARNING: NEVER ALLOW LIQUID LEAKING FROM THE BATTERY TO GET IN YOUR EYES OR MOUTH AS THIS LIQUID COULD CAUSE SERIOUS PERSONAL INJURY. IF IT COMES IN CONTACT WITH YOUR EYES OR MOUTH, FLUSH THEM IMMEDIATELY WITH PLENTY OF WATER AND CONSULT A PHYSICIAN.
  • Page 6: Symbol Information

    Symbol Information The following symbols appear on the instrument: Warning Alternating Current Power Follow instructions for use Protective Earth Connection ON / OFF Catalog Number Serial Number Date of Manufacture YYYY-MM-DD Manufacturer Waste of Electrical and Electronic Equipment Compliance to Medical Device Directive 93/42/EEC Authorized to mark given by Intertek ETL Semko for conformance with electrical standards Fragile Contents in Shipping Container - handle with care...
  • Page 7: Introduction

    Customer Service department directly at: Tel: 716-686-4500 Fax: 716-686-4555 E-mail: reichert.information@ametek.com Indications for Use The device provides images and charts, including those with letters and symbols in graduated sizes, intended for measuring visual acuity and determining patient subjective refraction.
  • Page 8: Installation, Features, & Functions

    Installation, Features, & Functions Unpacking and Contents Great care has been taken to deliver your ClearChart 4P to you. The packaging was specifically de- signed to transport this instrument. Please retain the packaging for future use in case transportation is required. To remove the unit from its packaging: 1. Remove the accessories from the top tray in the box. Refer to Figure SU-01.
  • Page 9: Wall Mounting Instructions

    Installation, Features, & Functions (continued) Wall Mounting Instructions WARNING: IT IS IMPORTANT TO SAFELY SECURE THE EQUIPMENT. UNSECURED EQUIPMENT COULD POSSIBLY BECOME DISLODGED AND FALL, CAUSING INJURY TO EITHER THE PATIENT OR EXAMINER. WARNING: CARE MUST BE TAKEN TO ARRANGE THE CABLES FOR THE ACCESSORIES SUCH THAT THEY DO NOT PRESENT A TRIPPING HAZARD TO THE EXAMINER OR A DANGER TO THE PATIENT.
  • Page 10: Articulating Wall Mount

    Installation, Features, & Functions (continued) Articulating Wall Mount WARNING: BE SURE TO READ THE WALL MOUNT INSTRUCTIONS THOROUGHLY AND THAT YOU FULLY UNDERSTAND ALL THE INSTRUCTIONS AND WARNINGS BEFORE ATTEMPTING TO BEGIN YOUR INSTALLATION. WARNING: THIS PRODUCT SHOULD ONLY BE INSTALLED BY SOMEONE WHO HAS A BASIC KNOWL- EDGE OF BUILDING CONSTRUCTION, INSTALLATIONS AND FULLY UNDERSTANDS THESE INSTRUC- TIONS.
  • Page 11: Wood Stud Wall Mounting

    Installation, Features, & Functions (continued) Articulating Wall Mount (continued) Wood Stud Wall Mounting This Part Mounts To ClearChart 4P Hardware provided is for attaching the mount in standard thick- ness drywall or plaster into wood studs. Installers are respon- sible to provide hardware for other types of mounting situations. 1.
  • Page 12: Drywall, Plaster, Solid Brick And Concrete Block Mounting

    Installation, Features, & Functions (continued) Articulating Wall Mount (continued) Drywall, Plaster, Solid Brick and Concrete Block Mounting WARNING: WHEN INSTALLING WALL MOUNTS ON CINDER BLOCK, VERIFY THAT YOU HAVE A MINIMUM OF 35 MM (1 3/8 IN.) OF ACTUAL CONCRETE THICKNESS IN THE HOLE TO BE USED FOR THE CONCRETE ANCHORS.
  • Page 13: Attaching The Clearchart 4P To The Mount

    Installation, Features, & Functions (continued) Articulating Wall Mount (continued) Attaching the ClearChart 4P to the Mount 1. Align the half of the mount that was removed in the previous steps to the back of the ClearChart 4P, aligning it with the screw holes. Refer to Figure SU-10. Screw Holes Install...
  • Page 14: Pitching Angle Adjustment

    Installation, Features, & Functions (continued) Articulating Wall Mount (continued) Pitching Angle Adjustment Adjust the ClearChart 4P to the desired angle. The mount can be adjusted upward and downward 15º and can be swiveled from side to side 120º. Refer to Figure SU-14. 120° 15º...
  • Page 15: Application Of Input Power

    Installation, Features, & Functions (continued) Application of Input Power 1. Using the provided power cord, insert the female end into the power input receptacle located at the bottom of the instrument. Refer to Figure SU-15. 2. Plug the male end of the power cord into a wall outlet of the appropriate voltage. Input voltage must not exceed the range listed in the Specifications section of this manual.
  • Page 16: Communication Ports

    Installation, Features, & Functions (continued) Communication Ports The ClearChart 4P has a 9 pin female serial port on the bottom of the instrument housing that can be used for either hard-wired or wireless connection to a Reichert digital refraction system. The ClearChart 4P also has two exposed USB ports to power a wireless serial adapter, connect a USB Bluetooth adaptor, or to upload photos and videos.
  • Page 17: Connection With A Reichert Digital Refraction System

    Installation, Features, & Functions (continued) Connection with a Reichert Digital Refraction System (continued) Bluetooth Connection (continued) If using the Bluetooth serial adaptor (PN 16251), connect the Bluetooth Dongle to the end of the Null Modem Cable. Refer to Figure SU-18. Null Modem Cable Bluetooth Dongle Figure SU-18 Connect Dongle to Cable Connect the other end of the Null Modem Cable to the port on the bottom of the ClearChart 4P.
  • Page 18: Remote Control

    Installation, Features, & Functions (continued) Remote Control Three different configurations of the ClearChart 4P remote control are available to accommodate preferences for different optotype size progressions and different notations. The type of remote that is packaged with the ClearChart 4P depends on the catalog number of the instrument that was ordered.
  • Page 19: Remote Control Layout

    Installation, Features, & Functions (continued) Remote Control Layout The remote control will operate all the test charts on your ClearChart 4P. The image and chart below indicate the functions of each button. The numbered buttons in the image below represent the Decimal/LogMAR optotype progression. The Snellen and Linear/Decimal remote controls have different numbered buttons at the top of the remote. All other button functions are the same for each remote control.
  • Page 20: Configuring The Clearchart 4P

    Installation, Features, & Functions (continued) Configuring the ClearChart 4P Press the ON/OFF switch located on the bottom of the instrument. The ClearChart 4P will boot-up. When the ClearChart 4P welcome screen appears, press the MENU button on the remote to enter the configuration mode. Use the UP and DOWN arrows to navigate through different options. LANGUAGE Using the LEFT/RIGHT arrows on your remote, select from English, French, Spanish, Italian, Portuguese, German and Russian.
  • Page 21 Installation, Features, & Functions (continued) Configuring the ClearChart 4P (continued) ACUITY NOTATION Using the LEFT/RIGHT arrows on your remote, select SNELLEN, METRIC, or DECIMAL for your acuity notation. When you are finished, press the DOWN arrow. • Snellen - displayed as distance in feet / size in mm • Metric - displayed as distance in meters / size in mm •...
  • Page 22 Installation, Features, & Functions (continued) Configuring the ClearChart 4P (continued) LINE PRESENTATION Using the LEFT/RIGHT arrows on your remote, select the default line presentation you would like the ClearChart 4P to display. Presentation types: • Triple Decreasing • Column • Double Decreasing • Quadruple/Same •...
  • Page 23 Installation, Features, & Functions (continued) Configuring the ClearChart 4P (continued) SWAP ODD/EVEN LINES This menu setting allows for the reversal of left and right images and the direction of stereo displace- ment. The options using the RIGHT arrow button are “Swap” and “No Change”. This option accom- modates the two different sets of polarization lenses with reversed orientation in the Auto Phoroptor VRx.
  • Page 24: Optotypes

    Installation, Features, & Functions (continued) Optotypes All of the optotypes contained within the ClearChart 4P conform to the American National Standard Institute ANSI Z80.21 guidelines for general purpose clinical visual acuity charts. The optotypes are constructed on a 5 x 5 matrix such that their stroke width is one-fifth of their overall size. Letter opto- types are of Letter Gothic typeface. The spacing between optotypes of the same size is equal to the width of that size optotype.
  • Page 25: Size Progressions

    Installation, Features, & Functions (continued) Size Progressions Optotype sizes are presented in the table below for the LogMAR , Standard and Linear/Decimal Progressions. The default progression is the LogMAR Scale and the default Notation is Decimal. The table below indicates the LogMAR Scale and the equivalent Decimal, Snellen and Snellen Metric opto- types sizes.
  • Page 26 Installation, Features, & Functions (continued) Size Progressions (continued) The Linear Decimal progression is based on a 10/10 scale. Linear Decimal 0.05 0.10 0.15 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.20 1.50 2.00 13785-101 Rev. F...
  • Page 27: Remote Control Functions

    Installation, Features, & Functions (continued) Remote Control Functions The EDU button activates the patient education slides. The RIGHT and LEFT arrows change the slides in this mode. Pressing the button a second time exits the EDU mode. Pressing the MOVIE button will run an animated movie for pediatric focusing. Use the MOVIE UP/DOWN arrows to adjust the volume.
  • Page 28 Installation, Features, & Functions (continued) Remote Control Functions (continued) This is the DOWN arrow button. The DOWN Arrow button is used to decrease the size of the optotypes displayed, navigate through and select set-up or menu options, change the frequency of the sine waves on the Contrast Sensitivity test chart, and ro- tate the Astigmatic T and Astigmatic Dial.
  • Page 29 Installation, Features, & Functions (continued) Remote Control Functions (continued) Pressing the ILLUM button changes the background illumination of the display. Three ILLUM light levels are available for testing: Full illumination (220 cd/m²), Photopic or Standard (85 cd/m²) and Mesopic for low light testing (3 cd/m²). The CONT button displays the sine wave grating chart for contrast sensitivity testing.
  • Page 30 Installation, Features, & Functions (continued) Remote Control Functions (continued) When the lowest level of contrast seen at all five frequencies has been determined, press CONT the UP arrow button again and a plot of a contrast sensitivity curve will appear on the (cont.) display.
  • Page 31 Installation, Features, & Functions (continued) Remote Control Functions (continued) Errors in Plates 12 –14 but not in 15 –16 indicate Medium Red/Green Defect. Errors in Plates 15 –16 indicate Strong Red/Green Defect. COLOR Normal Protanopia Deutanopia (cont.) Plate 12 Plate 13 Plate 14 Plate 15 Plate 16 Errors in Plates 17 –...
  • Page 32 Installation, Features, & Functions (continued) Remote Control Functions (continued) The ASTIG buttons displays four different charts for astigmatism testing. Pressing the RIGHT arrow button displays the charts in sequence. The clock dial and the Astigmatic T ASTIG can be rotated in either direction by pressing the UP/DOWN arrow buttons. Pressing the ASTIG button again exits the astigmatism tests.
  • Page 33 Installation, Features, & Functions (continued) Remote Control Functions (continued) (cont.) Pressing the FIX button will display a fixation dot target. Pressing the button a second time will display horizontal and vertical lines surrounding the fixation target. A third button press will exit the test. The test can also be terminated by pressing any of the buttons at the button of the remote that control the number of lines and orientation of the optotypes.
  • Page 34 Installation, Features, & Functions (continued) Remote Control Functions (continued) The DK/MDX button displays a dark screen. A second press of the button will illuminate DK/MDX the Maddox LED. Press the DK/MDX button again to exit the test. The Worth 4 Dot test is used to test for suppression in the right or left eye. Press the WORTH WORTH button to display the chart.
  • Page 35 Installation, Features, & Functions (continued) Remote Control Functions (continued) Additional polarized test charts can be displayed by pressing the (P)OLAR button. These charts include the Mallet Test and Horizontal and Vertical Coincidence Tests. Press the (P)OLAR RIGHT arrow button to display each chart. Press the P(OLAR) button a second time to exit the chart sequence.
  • Page 36: Video And Image Files

    Installation, Features, & Functions (continued) Video and Image Files Video and Image File Feature The ClearChart 4P Digital Acuity System currently displays seventeen different educational slides and one children’s video with audio for fixation. Additional video and image files of certain formats and file sizes can be imported into the device and displayed on the screen. Video and Image File Parameters ClearChart 4P can accommodate up to 13 additional image files each no greater than 1 MB in size.
  • Page 37: Organizing Video Files

    Installation, Features, & Functions (continued) Video Files (continued) Importing and Accessing Video Files (continued) Access the Video List using the UP or DOWN arrow button and open the video list using the RIGHT arrow button. Use the UP or DOWN arrow button to highlight the video in the list you wish to play and press the MOVIE button to select it.
  • Page 38: Image Files

    Installation, Features, & Functions (continued) Image Files Importing and Accessing Image Files Press the MENU button and then the EDU button. The display will indicate three options: Image Files, Image List and Screen Saver Logo. To import new images, select “Image Files” using the right arrow key. Insert the USB drive with the additional images into the USB port.
  • Page 39: Organizing Image Files

    Installation, Features, & Functions (continued) Image Files (continued) Organizing Image Files The “MAX” and “MIN” buttons on the remote can be used to move the position of an image file in the Image List. Pressing the MAX button will move an image file up in the list and the MIN button will move the image file down the list.
  • Page 40: Cleaning And Maintenance

    Cleaning & Maintenance Cleaning ClearChart 4P Use a lint-free, soft cloth lightly damped with water to clean the ClearChart 4P screen and the unit. Cleaning of the ClearChart 4P should be performed when the screen has contaminants on it or when visually, there is dust accumulation on the instrument. CAUTION: THE POLARIZED SCREEN CAN BE EASILY DAMAGED BY CLEANERS.
  • Page 41: Troubleshooting

    Troubleshooting Troubleshooting The following is a chart of errors with the ClearChart 4P and how to resolve them. If the following does not solve an issue with the ClearChart 4P, the unit may require servicing. Problem Probable Cause Possible Solution Not plugged into an outlet Plug unit into a properly with power.
  • Page 42: Specifications

    Specifications Catalog Number 13785AG, 13785SE, 13785DL Physical Dimensions Size: Weight, unpacked: 13.1 lbs. (5.9 Kg) Height: 15.60 in. (39.62 cm) Width: 23.20 in. (58.92 cm) Depth: 3.00 in. (7.62 cm) Electrical Voltage: 100 - 240 volts AC 50/60 Hz Input Power: 50-75 VA Fuses: Time-Lag (2.5A, 250V), 5 x 20mm, RoHS Operational Conditions 50°C...
  • Page 43: Classifications

    Specifications (continued) Classifications The ClearChart 4P is classified as Class I equipment. Class I equipment provides additional protec- tion against electrical shock beyond basic insulation. Type B equipment provides an adequate degree of protection against electrical shock, particularly regarding allowable leakage currents and reliability of the protective earth connection. (No applied parts per the noted standards.) The ClearChart 4P is classified as IPX0 Equipment.
  • Page 44: Guidance And Manufacturer's Declarations

    Guidance & Manufacturer’s Declarations Table 201 – Guidance and Manufacturer’s Declaration Electromagnetic Emissions All Equipment and Systems Guidance and Manufacturer’s Declaration – Electromagnetic Emissions The ClearChart 4 P is intended for use in the electromagnetic environment specified below. The customer or user of the ClearChart 4 P should ensure that it is used in such an environment. Electromagnetic Environment Emissions Test Compliance...
  • Page 45 Guidance & Manufacturer’s Declarations (contin- ued) Table 202 – Guidance and Manufacturer’s Declaration Electromagnetic Immunity All Equipment and Systems Guidance and Manufacturer’s Declaration – Electromagnetic Immunity The ClearChart 4P is suitable for use in all establishments and is intended for use in the electromagnetic environment specified below. The customer or user of the ClearChart 4P should ensure that it is used in such an environment.
  • Page 46 Guidance & Manufacturer’s Declarations (continued) Table 204 – Guidance and Manufacturer’s Declaration Electromagnetic Immunity Equipment and Systems that are NOT Life-supporting Guidance and Manufacturer’s Declaration – Electromagnetic Immunity The ClearChart 4P is intended for use in the electromagnetic environment specified below. The customer or user of the ClearChart 4P should ensure that it is used in such an environment. Immunity IEC 60601 Compliance...
  • Page 47 Guidance & Manufacturer’s Declarations (continued) Table 206 – Recommended Separation Distances between Portable and Mobile RF Communications Equipment and the ClearChart 4P for ME Equipment and ME Systems that are NOT Life-supporting. Guidance and Manufacturer’s Declaration - Electromagnetic Immunity Recommended Separation Distances for between Portable and Mobile RF Communications Equipment and the ClearChart 4P The ClearChart 4P is intended for use in the electromagnetic environment in which radiated...
  • Page 48 Guidance & Manufacturer’s Declarations (continued) Table 9 – Guidance and Manufacturer’s Declaration Electromagnetic Immunity Immunity to Proximity Fields from RF Wireless Communications Equipment Guidance and Manufacturer’s Declaration – Electromagnetic Immunity The ClearChart 4P is intended for use in the electromagnetic environment as specified below related to proxim - ity fields from RF wireless communications equipment. Electromagnetic Immunity Compliance IEC 60601 Test Level Environment Test Level...
  • Page 49: Wireless Communication Integration

    Wireless Communication Integration The ClearChart 4P has the ability to work with two types of RF transmitters with the following specifi- cations and characteristic: Configuration USB Module Protocol Bluetooth Frequency Band 2.4 - 2.4835 GHz ISM Band GFSK for 1Mbps, ╥ /4-DQPSK for 2Mpbs, 8-DPSK (EDR Mode) Modulation Method Channel Access Protocol FHSS (Frequency Hopping Spread Spectrum) RF Output Power Class 1 (+8 dBm typical) up to +20dBm Configuration RS-232 Module...
  • Page 50 Appendix A Instrument Cables WARNING: ANY NON-MEDICAL ELECTRICAL EQUIPMENT USED WITH THE CLEARCHART 4P MUST BE COMPLIANT WITH AN APPLICABLE IEC OR ISO SAFETY STANDARD. Cable Reference Length Description 16200-440 11m / 35ft DB9 M/F Null Modem Cable (shielded) <15m / 49 ft DB9 M/F Null Modem Cable (shielded) (2500 pF MAX Capacitance) 13785-101 Rev.
  • Page 51: Warranty

    Warranty This product is warranted by Reichert Technologies (herein after referred to as Reichert) against defective material and workmanship under normal use for a period of three years from the date of invoice to the original purchaser. (An authorized dealer shall not be considered an original purchaser.) Under this warranty, Reichert’s sole obligation is to repair or replace the defective part or product at Reichert’s discretion.
  • Page 52 Manufactured By Reichert, Inc. 3362 Walden Ave Suite 100 Depew, NY 14043 Toll Free 888-849-8955 Phone: 716-686-4500 Fax: 716-686-4555 Email: reichert.information@ametek.com www.reichert.com Authorized European Representative AMETEK GmbH Business Unit Reichert Carl-von-Linde-Strasse 42 85716 Unterschleissheim/Munich Germany Email: info.reichert-de@ametek.com Tel: +49 (89) 315 8911 0...

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