Huvitz HDC-9000N User Manual
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Huvitz HDC-9000N User Manual

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USER MANUAL
Digital Chart
HDC-9000N / HDC-9000PF
ОсОО «МЕДОФФ» www.medoff.net

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Summary of Contents for Huvitz HDC-9000N

  • Page 1 USER MANUAL Digital Chart HDC-9000N / HDC-9000PF ОсОО «МЕДОФФ» www.medoff.net...
  • Page 2 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 document to reflect such changes.

  • Page 3: Table Of Contents

    Contents 1. Introduction 1.1 Outline of product................6 1.2 Classification..................6 2. Safety Information 2.1. Introduction..................7 2.2. Safety Symbols................8 2.3. Environmental Factors...............9 2.4. Safety Precaution................11 3. Features....................14 4. Using the Instrument 4.1. Preparation..................15 4.2. Operation procedure.................16 4.3. After using the Instrument..............17 5. Note for use 5.1.
  • Page 4 8.1. Executing and Operating the Menu Mode..........31 8.2. Using the Menu Mode................33 8.2.1. Vision Test..................34 8.2.2. Vision Therapy................44 8.2.3. Mode for Movie / Photo..............47 8.2.4. Settings..................49 8.3. Other Functions 8.3.1. The Link to Ref/Keratometer Function..........54 8.3.2. Adjusting the Contrast Sensitivity.............55 8.3.3.
  • Page 5 10.3. Disposal..................65 11. Troubleshooting 11.1. LCD screen is not turned on..............66 11.2. Chart displays broken image.............66 11.3. The main body is not responsible to the remote........66 11.4. The screen is too bright or too dark...........66 11.5. Visual acuity test results in overcorrection or undercorrection....67 11.6.

  • Page 6: Introduction

    The examiner may execute all the charts and functions by using the remote and the buttons on the main body of the digital chart. If the chart is connected to the Huvitz Digital Refractor, the examiner would just use the Operation Panel of the Digital Refractor for chart operation as it allows to control the lens unit and the chart device at the same time by a touch of buttons on it.

  • Page 7: Safety Information

    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.

  • Page 8: Safety Symbols

    2.2. Safety Symbols The International Electro-technical Commission (IEC) has established a set of symbols for medical electronic equipment, which classify a connection or warn of any potential hazards. Power Standby / ON Alternating Current. Direct Current. This symbol identifies a safety note. Ensure you understand the function of this control before using it.

  • Page 9: Environmental Factors

    2.3. Environmental Factors Please avoid the environments below for the operation or storage of the equipment. Where the equipment is exposed to water vapor. Don’t operate the equipment with wet hands. Where the machine is exposed directly to the sunlight. Where the temperature changes frequently (Normal temperature for operation of the machine is at the range of 10C ~ 40C, and the humidity is at the...
  • Page 10 Do not connect the AC power plug into the outlet while not putting the parts of machine together completely. It can harm the equipment. Do not pull the plug out of outlet while holding the cord. For the normal operation of the machine, please keep the ambient temperature is 10℃ ~ 40℃, humidity is 30% ~ 75% and atmospheric pressure is 800 ~ 1060hpa.

  • Page 11: Safety Precaution

    For more detailed information, please contact our Customer Service Department or one of our authorized representatives. 1. This device must be used with accessory kits which were offered by HUVITZ. If customer want to use accessory kit from other manufacturer, that accessory kit’s safety must be guaranteed by HUVITZ or manufacturer of accessory kit.
  • Page 12 12. The device should neither be kept nor installed in the place with the risk of explosion or near the alcohol, benzene and other inflammable substance. 13. The device should neither be kept nor installed in the place with high humidity. For the optimal operation, the humidity should be at the range of 30%~75%.
  • Page 13 specification are being added to the standard SB 107-2-D1. Plug mates with maker’s Danish hospital-grade socket. Hospital sockets have slightly different shaped openings allowing only the hospital plug, not the standard Danish plug, to be inserted, to protect the ac circuit in specific medical settings.

  • Page 14: Features

    The following features are main features of this device. You can get more precise information in the index of HDC-9000PF consists of LCD panel that can express polarization.  HDC-9000N consists of LCD panel that cannot express polarization. This device support binocular  test through the Red/Green filter By the vision test function, you can check the color blindness and color weakness.

  • Page 15: Using The Instrument

    You must use adapter and cable that provided by Huvitz. The adapter that provided by Huvitz have medical certification. Huvitz have no responsibility about problem that caused by using adapter and cable which are not provided by Huvitz. ОсОО «МЕДОФФ» www.medoff.net...

  • Page 16: Operation Procedure

    4.2. Operation procedure Operation procedures may differ from the users. Followings are the most basic operational sequence. Connect power adapter to main body correctly. Fix adapter with cable tie.  Before to press power switch, conform the flicker of LED under the LCD panel. ...

  • Page 17: After Using The Instrument

    4.3. After using the Instrument Turn off the power switch of the main body and disconnect the power plug.  Please do not pull on cable or do not use an impractical force.  Remove the power if you are not using for a long time. ...

  • Page 18: Note For Use

    Note for Use 5.1. Notes on the Usage When using this product, please be aware of the followings Avoid places where ambient temperature is too low or too high for normal operation.  Check the overall status of the instrument and any abnormally in the examinee persistently. ...
  • Page 19 Avoid places where the instrument is exposed to chemical material or explosive gas.  Avoid places where it is near the heating equipment.  Avoid places where the humidity us extremely high or there is a ventilation problem.  Install the instrument within the capacity of the power supply and the power consumption. ...

  • Page 20: Notes On The Storage

    5.3. Notes on the Storage When storing this instrument, the user should be aware of the followings. Avoid places where the instrument is exposed to water vapor or moisture directly.  Avoid places where the instrument is exposed to direct sunlight. ...

  • Page 21: Configuration

    Configuration 6.1. Main Body ① ② ③ LCD Panel ① The LCD Panel displays chart, menu and other information on it. IR Receiver Window ② A window for receiving the remote signal. (Please keep unobstructed or cannot receive the IR signal normally) ③...
  • Page 22 ⑫ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ Power switch ④ It turns on and off the power of the main body. LCD screen brightness control switch ⑤ Use to adjust the brightness of the LCD screen. Power input ⑥...

  • Page 23: Remote Control

    WARNING Do not cover or place anything on the ventilation slits. Overheat can cause a product malfunction When you install this product as wall-hanging form, separate the Deco cover. It will help the product to cool. Deco Cover 6.2. Remote Control Button Panel ①...
  • Page 24 ④ ⑤ ⑪ ⑩ ⑥ ⑨ ⑦ ⑧ Buttons for Visual Acuity Test ④ These buttons executes visual acuity test. Button function Landolt Ring charts (0.03~2.0) Alphabet Letter charts (0.03~2.0) Number charts (0.03~2.0) Snellen E charts (0.03~2.0) Figures for children (0.1~1.0) ОсОО...
  • Page 25 Buttons for Functional Chart ⑤ Charts for polarizing test are displayed differently on the display panel depending on the chart model. Button Function Lens Chart Red/Green Filter Red/Green Test, Polar, Cross Cross grid Test Cylinder distance Astigmatism Test Polar Cross cylinder Test Cross Cylinder Maddox rod Test Maddox rod...
  • Page 26 Buttons for Program ⑥ Button Function Executes the previous step of executing program ◀ Executes the next step of executing program ▶ ▪ Executes the first step of the program PGM 1 ▪ Pressing button times executes programming PGM1 ▪ Executes the first step of the program PGM 2 ▪...
  • Page 27 Button for Image Gallery ⑩ Button Function ▪ Executes Image Gallery Button for Reverse Background ⑪ Button Function ▪ Reverses background color black/white for Visual Acuity charts. NOTE When you change background to black color, the color could be spread to LCD panel or the White pixel could be appeared.

  • Page 28: Installation

    Installation 7.1. Preparation Before installing this instrument, carefully check the following in advance. Model name HDC-9000PF, HDC-9000N (HDC-9000PF is polarization type, HDC-9000N is  Red/Green type) Package contents listed in chapter 12.  Exterior appearance of the LCD panel (any external material on the display should be removed and ...

  • Page 29: Installation With A Mirror

    Installation with a Mirror 7.2.2. Fix the main body on the wall by using the wall mount. ① Set and fix a mirror at the position that meets the required test distance. The test distance is ② calculated by summing the distance from examinee to the mirror and from the mirror to the LCD panel.

  • Page 30: Configuring The Settings

    7.4. Interfacing with the Digital Refractor This instrument allows interfacing it with the Huvitz Digital Refractor. In case of the model HDR-7000, it supports not only wired communication but also wireless communication by IR with this instrument. Refer to the installation manual of the digital refractor for detailed information about the interfacing how-to.

  • Page 31: Using The Menu Mode And Functions

    Using the Menu Mode and Functions 8.1. Executing and Operating the Menu Mode Menu mode provides functions for setting options related with the chart and other adjustment functions. To execute the menu mode, press the MENU button on the remote. Selecting and Executing Menu ①...
  • Page 32 Button Function Changes the selection of the menu group between left and right side Changes the selection of menu item in a menu group vertically Selecting and Setting the Value of Option ② Use the arrow button to move to the menu or setting, and set the value with button.

  • Page 33: Using The Menu Mode

    8.2. Using the Menu Mode Menu mode provides functions listed below. Vision Test  Vision color test, contrast test, hue test Vision Therapy  Vergence, Pursuit, Saccadic, Tracking, Amsler Grid, Stereopsis Movie / Photo  Management for user designated movie/photos Settings ...

  • Page 34: Vision Test

    8.2.1. Vision Test Vision Test is consist of Color Test, Contrast Test and Hue Test. Color Vision Test  This test is newly designed method for easy, quick, and accurate examination of color vision based on confusion color with anomalous color vision theory It consists of 12 plates for screening defective color vision and additional 9 plates for classifying and estimating its grade.
  • Page 35 NOTE The Color Vision Test must be executed in the indoor room where you can see LCD clearly. And set the distance at 1.5m When examinee can read number in 3 second, and can draw a curved line in 10 second, these are regarded as correct answers.
  • Page 36 Screening Test  Start test to find vision color defective. After asking that examinee can read number or line like photo above, Press button. Then the question and possible answers will appear. Select the right answer by pressing button. With use of button.
  • Page 37 Class & Grade Chart  It show chart to classify level of color deficiency. Judge the level of color vision by whether read the chart. The contents in the chart is like under picture. Title normal 1 strong 2 strong 1 mid 2 mid 1 weak...
  • Page 38 Contrast Test  “This test is designed method to measure the ability to recognize the object in the surroundings with low illumination or similar color. Usual Acuity test use acuity chart consists of black dark letters with white background having high illumination, then makes them look clearly. So patient could have troubles to identify the object if he has good sight in Acuity test, but low contrast sensitivity.
  • Page 39 Contrast Letter Test  Contrast test by use of letter Fist test distance is set to 1.5m. The chart can be changed via button on the remote control in units of 0.5 m, and via button the chart can be change in unit of 0.1 log. Contrast Sensitivity Chart ...
  • Page 40 Contrast Sensitivity Test  Execute the contrast test by use of sign pattern. Move to the pattern by button, and select by button. After the end of test, it will display the graph like following picture. NOTE Contrast Sensitivity Test must be executed in the indoor room where you can see LCD clearly. And set the distance at 1.5m ОсОО...
  • Page 41 Hue Test  This test is designed method to measure the ability to distinguish colors seperated elaborately. Normal person who not judged as color defectiveness in Color Vision Test, has different level of color discrimination. This test result not only judge the degree of color defectiveness in each color region, but also is utilized for professional propose in need of high color discrimination and its training.
  • Page 42 FM-100 Test  Execute the FM-100 test. Let arrange the bars similar to upper side. Select color with button. And in the position where you select first, if you press button or button, the selection is canceled. Also You can change the color position with mouse. After all test you can see the result view.
  • Page 43 NOTE ▪ When you execute FM-100 Test or D-15 Test, it is convenient to use mouse. ▪ Connect the mouse at the USB port in the rear of HDC-9000. (refer User Manual 6.1. Mani Body ⑧ USB Port) ▪ HDC-9000 FM-100 Test will not produce the same result owing to the property of LCD panel. Use HDC-9000 test result as examinee’s guide.

  • Page 44: Vision Therapy

    8.2.2. Vision Therapy We provide following type of vision therapy. Vergence training  Vergence training could help to enhance the ability of eye by stimulation of eye. ОсОО «МЕДОФФ» www.medoff.net...
  • Page 45 Pursuit training  This training could help to enhance the ability of eye by stimulation of eye through the tracking the moving object. When next picture is appeared, press button again. When you match the direction of Landolt ring with remote-control, another Landolt ring will be appeared randomly. Saccadic training ...
  • Page 46 Tracking training  You can enhance the eye concentration ability through the tracking the lines of various pattern. Amsler Grid  You can check whether eye was defective or not through the amsler grid. Stereopsis training  This training could help to recovery the fatigue of eye. ОсОО...

  • Page 47: Mode For Movie / Photo

    8.2.3. Mode for Movie / Photo In mode for movie/photo, we provide functions which can display movie and photo from HDC-9000 or USB memory. After selection with remote control, when you press button, you can see yellow border line. Yellow border line means that the file is selected.
  • Page 48 NOTE ▪ The information in inner storage of HDC-9000(SSD) cannot be changed, If you want to use your own movie or photo, use outer storage (USB). ▪ If external storage(USB)’s name was consist of non-english letter, HDC-9000 cannot read it. ▪...

  • Page 49: Settings

    8.2.4. Settings IR Channel  Change IR channel of remote controller  After the change of main body, Change IR channel of remote controller.  The order of change IR channel of remote controller is 1→2→3→4→5→6→7→8→9→10→1. You  can change channel by pressing button and button at the same time.
  • Page 50 Acuity Chart  You can set whether you will use Reversed Background Function and Mirroring Display Function.  Optotypes  Adjust value of optotype space.  To prevent to memory chart letter, you can turn on Random Optotype function..  ОсОО...
  • Page 51 VA Notation  Set the visual acuity notation type.  Type-R, Type-J support Russian character and Hiragana.  Contrast  This menu is that control brightness of background and color contrast. This enable selection of Level value to atomize the changed quantity. ОсОО...
  • Page 52  Red/Green Adjustment Adjust color and balance of Red/Green chart and vergence chart. Sleep Mode  NOTE ▪ In the menu mode, sleep mode is not working. ▪ When device is set for SSD Movies, flickering screen is not malfunction. ▪...
  • Page 53 Preference  Set or adjust PF/N type and scale adjustment. About  Display license information and date of update of HDC-9000. ОсОО «МЕДОФФ» www.medoff.net...

  • Page 54: Other Functions

    8.3. Other Functions The Link to Ref/Keratometer Function 8.3.1. You can see display of Ref/Keratometer through the LCD chart panel. After the connection with Ref/keratometer, Press button. HRK-8000A HDC-9000 HDMI or RGB HRK-7000 HRK-7000A HDC-9000 ОсОО «МЕДОФФ» www.medoff.net...

  • Page 55: Adjusting The Contrast Sensitivity

    You can use all of HRK series with connection of RGB port. ① Especially, you can see high resolution image of HRK-8000A though the HDMI port. ② When you connect HRK-8000A though the RGB port, set the resolution to 1024 x 768 in HRK- ③...

  • Page 56: Input Custom Program

    Input Custom Program 8.3.3. The buttons PGM1 and PGM2 on the remote execute custom program. By default PGM1 contains the system providing programmed sequence but PGM2 is empty. The users can reset and input their own optometric sequence into both the PGM1 and PGM2 Method to input program to P2 ①...

  • Page 57: Optometric Test Using The Digital Chart

    Optometric Test Using the Digital Chart 9.1. Cylinder Axis Test Title Content Purpose To determine the correcting astigmatic axis roughly. Chart None Aux. Lens ① Occlude one eye that’s not to be examined. ② Add spherical lens power as much as the patient can read numbers around the chart.

  • Page 58: Binocular Cylinder Axis Test

    9.3. Binocular Cylinder Axis Test Title Content Purpose To determine the correcting astigmatic axis roughly. Chart Polar Aux. Lens ① Add spherical lens power as much as the patient can read numbers around the chart. Procedure ② Ask the patient if any direction is seen thicker. ③...

  • Page 59: Red/Green Test

    9.5. Red/Green Test Title Content Purpose To determine the correcting spherical power Chart None Polar Aux. Lens Cross Cylinder(Fixed at 90) ① (Occlude one eye that’s not to be examined). ② Add about 0.5D for fogging if necessary. ③ Ask the patient which side looks clearer, on the green or on the red. Add plus or minus power until the patient sees the both side the same.

  • Page 60: Cross Cylinder Test For Power

    sharpness. Plus the axis if the view before circulation is sharper. Minus the axis if the view after circulation is sharper. 9.7. Cross Cylinder Test for Power Title Content Purpose To refine the correcting cylinder power Chart Aux. Lens Jackson Cross Cylinder(± 0.25 or ± 0.50) ①...

  • Page 61: Dominant Eye Test For Patients With Phoria

    9.9. Dominant Eye Test for Patients with Phoria Title Content Purpose To determine the dominant eye of the patient with heterophoria Chart Aux. Lens Red/Green ① Open the both eyes. Procedure ② Place the red filter before the right eye and the green filter before the left eye. ③...

  • Page 62: Fixation Disparity Test

    9.12. Fixation Disparity Test Title Content Purpose To measure the fixation disparity Chart Polar Aux. Lens ① Open the both eyes. ② Place the polarizing filters before the eyes, 135 degree on the right and 45 Procedure degree on the left. ③...

  • Page 63: Von Graefe Test

    9.15. Von Graefe Test Title Content Purpose To measure the phoria Chart 6 BU split prism before right eye Aux. Lens 10 BI split prism before left eye ① Open the both eyes Procedure ② Place the proper prism before eye. ③...

  • Page 64: Stereo Test

    Aux. Lens Polar ① Open the both eyes. ② Place the polarizing filters before the eyes, 135 degree on the right and 45 Procedure degree on the left. ③ Add prism before eyes until the patient sees the lines and gradations aligned. 9.18.

  • Page 65: Maintenance

    Maintenance 10.1. Replacement of battery of remote controller Open the cover with pushing cover. ① Change old battery to new battery. And close cover. ② NOTE Please make sure the direction of (+), (-). The specification of battery is LR6(AA) 1.5V . Battery Cover Battery 2EA LR6(AA)1.5A...

  • Page 66: Troubleshooting

    Troubleshooting 11.1. LCD screen is not turned on ① Check the power adapter. When the connection between adapter and main body is not adhere properly, the device cannot turn on properly. ② Check the power adapter which plug in, if power outlet have switch, Check the switch which is placed “on”.

  • Page 67: Visual Acuity Test Results In Overcorrection Or Undercorrection

    and set proper settings. (Refer to the 8.2.4. section of User Manual) Other reason for unsuitable brightness could be outer influence from environment. Adjust ② brightness refer to the number ①. If the problem persists after checking the above procedure, contact the local distributor you ③...

  • Page 68: Components List

    Components List ② ③ ④ ① ⑨ ⑩, ⑪ ⑤ ⑦ ⑧ ⑥ Main Body ① Remote Controller ② Battery of remote controller (AA) ③ Adaptor and Power cable ④ User Manual ⑤ Dust Cover ⑥ Wall mount ⑦ Desk Stand (Optional) ⑧...

  • Page 69: Product Specification

    Product Specification 23inch Full HD TFT LCD LCD Type (Only HDC-9000PF polarized panel) Resolution 1920 x 1080 pixels White Luminance 250 cd/m Chart window size 509.2mm(H) x 286.4mm(V) Input: 100-240VAC, 47-63Hz Power Output: DC+12V, 7A Model: AHM85PS12 Power Consumption 80VA Main Body Size 568mm(W) x 336mm(H) x 80mm(D) / 6.1kg Remote Control Size...
  • Page 70 ▪ Dot, Row, Column Masking Filter ▪ Red/Green Filter ▪ Change IR channel of remote controller (10 channel) ▪ Mode for Movie or Photo ▪ Sleep Mode ▪ Contrast rearrange Settings ▪ Red/Green balance ▪ Color adjustment for Red/Green filter ▪...

  • Page 71: Emc Declaration

    14.1. Manufacturer’s declaration - electromagnetic emission The Model HDC-9000N/PF (Huvitz Digital Chart) is intended for use in the electromagnetic environment specified below. The customer or the user of HDC-9000N/PF should assure that it is used in such an environment Emission test...
  • Page 72 The Model HDC-9000N/PF is intended for use in the electromagnetic environment specified below. The customer or the user of the Model HDC-9000N/PF should assure that it is used in such an environment Mains power quality should Surge 1 kV differential mode...
  • Page 73 Test level guidance Portable and mobile RF communi cations equipment should be use d no closer to any part of the Model HDC-9000N/PF , including cables, than the recommended s eparation distance calculated fro Conducted RF 3 Vrms 3 Vrms...
  • Page 74 Recommended separation dis tance Radiated RF 3 V/m 3 V/m 80 MHz to 800 MHz IEC 61000-4-3 80.0 MHz to 2.5 GHz 80.0 MHz to 2.5 GHz 800 MHz to 2.5 GHz Where P is the maximum output power rating of the transmitter i n watts (W) according to the tra nsmitter manufacturer and d is t he recommended separation dista...
  • Page 75 HDC-9000N/PF (Huvitz Digital Chart). The Model HDC-9000N/PF is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The user of the H D C - 9 0 0 0 N / P F can help prevent electromagnetic...
  • Page 76 14.3. Guidance and manufacturer’s declaration - electromagnetic immunity The Model HDC-9000N/PF is intended for use in the electromagnetic environment specified below. The customer or the user of the HDC-9000N/PF should assure that it is used in such an environment IEC 60601...
  • Page 77 NOTE 1) These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures, objects and people. NOTE 2) It is essential that the actual shielding effectiveness and filter attenuation of the shielded lo cation be verified to assure that they meet the minimum specification.

  • Page 78: Service Information

    Serial No. : If you can’t contact with your local distributor, you can directly get in touch with the service  department of the HUVITZ using the phone number and the address written in the below table. HUVITZ Co., Ltd Tel: +82-31-428-9100...

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