Topcon TRC-NW8 Instruction Manual
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Topcon TRC-NW8 Instruction Manual

Non-mydriatic retinal camera
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INSTRUCTION MANUAL
NON-MYDRIATIC RETINAL CAMERA
TRC-NW8

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Summary of Contents for Topcon TRC-NW8

  • Page 1 INSTRUCTION MANUAL NON-MYDRIATIC RETINAL CAMERA TRC-NW8...

  • Page 3: Introduction

    Before using the instrument, carefully read the "DISPLAY FOR SAFE USE" and the "SAFETY CAUTIONS" to familiarize yourself with the features of the TRC-NW8 NON- MYDRIATIC RETINAL CAMERA and use it efficiently and safely.

  • Page 4: Cautions For Use

    To avoid electric shock, turn off the power switch and unplug the power cord and then replace the lamp with a rated one. Disposal When disposing of TRC-NW8 parts, follow the local regulations for disposal and recycling. ENVIRONMENTAL CONDITIONS FOR USE Temperature : 10°C - 40°C...

  • Page 5: Environmental Conditions For Packaging In Transportation

    ENVIRONMENTAL CONDITIONS FOR PACKAGING IN TRANSPORTATION Temperature : -20°C - 50°C Humidity : 10% - 95% CHECKPOINTS FOR MAINTENANCE 1. Periodically inspect the instrument and its parts. 2. Before using the instrument again after a long period of inactivity, make sure that it operates safely and normally.

  • Page 6: 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 properties, important messages are put on the instrument body and inserted in the instruction manual. We suggest that everyone understand the meaning of the following displays, icons and text before reading the "SAFETY CAUTIONS"...

  • Page 7: Safety Cautions

    SAFETY CAUTIONS WARNINGS Icon Prevention item Page To avoid fire and electric shock in case of leakage, be sure to use a grounded outlet. Do not connect to outlets that are not grounded. To avoid electric shock, do not attempt disassembling, rebuilding and/or repairs on your own.

  • Page 8: Table Of Contents

    SAFETY CAUTIONS CAUTIONS Icon Prevention item Page To prevent damage and injuries, do not install the instrument on an 18, 70 uneven, unsteady or sloping surface. To avoid electric shock, do not handle the plugs with wet fingers. To avoid pain and discomfort to the patient and damage to the patient’s eye, do not brighten the illumination lamp more than nec- essary.

  • Page 9: Icon Prevention Item Page

    SAFETY CAUTIONS CAUTIONS Icon Prevention item Page Before transporting this instrument, secure the fixing knob on the bottom to prevent movements. This instrument should be carried by two persons. Carrying by one person may cause backache or injury. Holding at areas other than the bottom may also cause injury, as well as falling, thereby damaging the instrument.

  • Page 10: Usage And Maintenance

    79. ESCAPE CLAUSES • TOPCON shall not take any responsibility for damage due to fire, earthquakes, actions by third persons and other accidents, or damage due to negligence and misuse by the user and any use under unusual conditions.

  • Page 11: Warning Displays And Positions

    To ensure safety, this machine provides warning displays. Use the instrument correctly by observing the display instructions. If any of the following dis- play labels are missing, contact your TOPCON dealer at the address listed on the back cover. CAUTION...
  • Page 12 CONTENTS INTRODUCTION .........................1 CAUTIONS FOR USE ......................2 ENVIRONMENTAL CONDITIONS FOR USE ..............2 STORAGE, USAGE PERIOD AND OTHERS ..............2 ENVIRONMENTAL CONDITIONS FOR PACKAGING IN TRANSPORTATION ....3 CHECKPOINTS FOR MAINTENANCE ................3 DISPLAY FOR SAFE USE ....................4 SAFETY CAUTIONS ......................5 USAGE AND MAINTENANCE .....................8 ESCAPE CLAUSES ......................
  • Page 13 SPECIFICATIONS ......................64 ELECTROMAGNETIC COMPATIBILITY ................65 ELECTRIC RATING ......................68 SYSTEM CLASSIFICATION ....................68 DIMENSIONS AND WEIGHT .................... 69 PURPOSE OF USE ......................69 OPERATION PRINCIPLE ....................69 MAINTENANCE DAILY CHECKUPS ......................70 CLEANING ......................... 79 OPTIONAL ACCESSORIES EXTERNAL FIXATION TARGET EF-2 ................81 REFERENCE MATERIAL SHAPE OF PLUG ......................

  • Page 14: Nomenclature

    NOMENCLATURE COMPONENT NAMES Camera mount Connector Main unit Diopter compensation lens selector Focusing knob LED illuminator Color LCD monitor Photography switch RF filter selector Control lever IR filter selector Power lamp Image quality adjustment switch Power supply unit Base brake knob Control panel Fixing knob (for carrying) Chinrest unit...

  • Page 15: Control Panel Components

    CONTROL PANEL COMPONENTS Stereo photography switch Menu switch Split switch ID input switch Image playback switch Illumination diaphragm Flash level switch selector switch (-, reset, +) (Upward cursor switch) Illumination level switch (-, +) Fixation target selector switch (clockwise) (Rightward cursor Chinrest switch switch) (down, up)
  • Page 16 Switches the current internal fixation target position to the first position. (Turn ON this switch to print the reviewed image. Chooses the selected item in "MENU".) Stereo photography switch: P.57 Shifts to the stereo photography mode. * For details, contact your dealer or TOPCON (see the back cover). NOMENCLATURE...

  • Page 17: Components On Color Lcd Monitor Screen

    COMPONENTS ON COLOR LCD MONITOR SCREEN Monitor screen Patient ID Right/left eye Alignment bright spot RF filter AUTO display Diopter compensation lens display Xenon charging display USB memory recognition Flash level compensation display External connection device Small pupil diaphragm recognition display Printer recognition display * ( ) scale Split lines...
  • Page 18 Preview screen Patient ID Right/left eye RF filter AUTO display Diopter compensation lens display Xenon charging display Flash level compensation Photographic image Small pupil diaphragm Printer recognition display Fixation target position NOMENCLATURE...

  • Page 19: Standard Accessories

    STANDARD ACCESSORIES Upon unpacking, make sure that all the following standard accessories are included. Numbers in ( ) are the quantities. Power cord (1) Chinrest tissue pin (2) Chinrest tissue paper (1) Fuse (6) Instruction manual (1) Dust cover (1) Spare parts case (1) Rail cover (2) Screw (4)

  • Page 20: To Prevent Damage And Injuries, Do Not Install The Instrument On An Uneven, Unsteady Or Sloping Surface

    PREPARATIONS ASSEMBLY PROCEDURE OF THE INSTRUMENT BODY Before transporting this instrument, secure the fixing knob on the bot- CAUTION tom to prevent movements. This instrument should be carried by two persons. Carrying by one person may cause backache or injury. Holding at areas other than the CAUTION bottom may also cause injury, as well as falling, thereby damaging the instrument.
  • Page 21 Slightly raise the control lever and take out the cushion from the lower part of the base in the arrow direction. Sponge Control lever Sponge Styrofoam Cushion Sliding board (between the instrument body and base unit) Wipe the sliding board with a cloth, etc. to remove dust. Remove the styrofoam from the transportation bracket (A) (the one on the left hand side as viewed from the chinrest side,), slide the base to the left and unscrew the transportation bracket (B).

  • Page 22: Installing The Digital Camera

    Connect the cables for the digital camera, which come out of the instrument. When connecting the cables, refer to the instruction manual of the digital camera. If you have a question about the digital camera, contact your dealer or TOPCON (listed on the back cover).

  • Page 23: Confirmation After Assembly

    CONFIRMATION AFTER ASSEMBLY Make sure that the input voltage is within ±10% of the rated voltage for the instrument. If the input voltage exceeds this range, use a constant-voltage power supply (marketed: 400VA or more). Loosen the base brake knob, and move the control lever to verify that it moves smoothly. 1) Right-left movement 2) Back-forth movement 3) Up-down movement...

  • Page 24: To Avoid Electric Shock, Do Not Handle The Plugs With Wet Fingers

    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. Make sure that the of the instrument body is OFF ( POWER SWITCH...

  • Page 25: Connecting The External Device

    (commercial products). In this case, the photographed image is not displayed on the color LCD monitor. For details, contact your dealer or TOPCON (see the back cover). When connecting the external device, do not take a picture before the recognition dis- plays shown below appear on the color LCD monitor.

  • Page 26: Menu Setting

    MENU SETTING In menu setting, ON/OFF of the auto functions, the flash level and the fixation target can be set. Preparations for menu setting Check the power cord connections. For details about the connection, see "CONNECTING THE POWER CORD" on page 22. Turn the ON (I).
  • Page 27 Setting of auto focus Set the auto focus function ON/OFF. (When shipped, "ON" is set.) When auto focus is set to ON, focusing is automatically done when taking a picture. On the "MENU" screen, make sure that "AUTO" is selected and press the ENTER SWITCH Press the to select "FOCUS"...
  • Page 28 Setting of auto shoot Set the auto shoot function ON/OFF. (When shipped, "ON" is set.) The auto shoot mechanism works as follows: when the fitted alignment bright spot is put into ( ) in the focalized status, the instrument takes a picture automatically without pressing the photography switch.
  • Page 29 Setting of auto small pupil Set the auto small pupil function ON/OFF. (When shipped, "ON" is set.) The auto small pupil mechanism works as follows: when the pupil diameter of the patient is too small to take a picture, the instrument automatically changes to the small pupil diaphragm. On the "MENU"...
  • Page 30 Switching of internal/external fixation targets (The external fixation target is an optional accessory.) You can change the internal/external fixation targets. When shipped, "INTERNAL" (internal fixation target) is set. Select "FIXATION" on the "MENU" screen and press the ENTER SWITCH MENU INT / EXT TYPE MODE...
  • Page 31 Fixation target pattern You can select the fixation target pattern. When shipped, "8POINT" is set. Move the cursor to "FIXATION" on the "MENU" screen, and press the ENTER SWITCH MENU INT / EXT TYPE MODE PERIPHERAL FLASH FIXATION MEMORY Press the to select "PERIPH- DOWNWARD CURSOR SWITCH UPWARD CURSOR SWITCH...

  • Page 32: Setting The Recording Medium To Save Image

    SETTING THE RECORDING MEDIUM TO SAVE IMAGE Set the recording medium to save the photographed image. When saving the image in the USB memory (commercial product), etc. It is not necessary to set some items on "MENU". Connect the recording device such as the USB memory (hereinafter, USB memory) to the input/output terminal.
  • Page 33 Make sure that "REMOVE" is selected and then press the ENTER SWITCH MENU REMOVE SD CARD AUTO USB MEMORY FLASH FIXATION MEMORY When the message "THE MEMORY CAN BE REMOVED." is displayed on the color LCD monitor, disconnect the USB memory from the input/output terminal. If the message "THE MEMORY CAN NOT BE STOPPED.
  • Page 34 When saving in the SD memory card (commercial product) When you insert the SD memory card (hereinafter, SD card) into the installed digital camera and want to save the photographed image in the SD card, set the items according to the follow- ing procedure.
  • Page 35 For details, refer to page 48. When "CUSTOM" is set, the optional point is lit in the DCF mode. But, when shipped, the instrument is set so that the same point as "DEFAULT" may be lit. When you want to change the lighting point for "CUSTOM", contact your dealer or TOPCON office (see the back cover).

  • Page 36: Reset From Power Save State

    Press the PHOTOGRAPHY SWITCH The color LCD monitor is displayed and ready for photography. When shipped, the power save set time is 10 minutes. To change the set time, contact your dealer or TOPCON (see the back cover). PREPARATIONS...

  • Page 37: Basic Operations

    BASIC OPERATIONS FLOW OF OPERATION Photography procedure explained in "COLOR PHOTOGRAPHY (CENTER)" Turning on the power (P.36) Setting the patient (P.36 - P.37) Setting the illumination level (P.38) Setting the flash level (P.39) Changing the diopter compensation lens (P.40) Small pupil photography (P.51) Centering and photography (P.41 - P.45) When the patient has small pupil Finish procedure (P.46)

  • Page 38: Preparation For Photography

    PREPARATION FOR PHOTOGRAPHY Applying the power supply Carefully check the power cord connection. For details about the connection, see "CONNECTING THE POWER CORD" on page 22. Turn on any external connection device. Turn ON ( ) the of the instrument. POWER SWITCH Make sure that the title screen and the Monitor screen are displayed.
  • Page 39 Select "Set". The inputted ID is validated and the system exists from the input screen If you press the again, the inputted ID is canceled. ID INPUT SWITCH It is possible to take a picture even if the ID is not inputted. Make sure that the IR filter selector is on.

  • Page 40: Color Photography (Center)

    COLOR PHOTOGRAPHY (CENTER) Setting the illumination level To avoid pain and discomfort to the patient and damage to the CAUTION patient's eye, do not brighten the illumination lamp more than neces- sary. Set the illumination level using the ILLUMINATION LEVEL SWITCH You can verify the current level using the illumination level display on the color LCD monitor.

  • Page 41: To Avoid Pain And Discomfort To The Patient And Damage To The Patient's Eye, Do Not Brighten The Photography Light More Than Nec

    The flash level display can also display the light intensity level (unit: W·s) in addition to the compensation value. For details about the flash level setting, contact your dealer or TOPCON (see the back cover). When the flash level compensation display is changed to the higher level by one step, the flash level is increased by approx.
  • Page 42 Changing the diopter compensation lens Pull out the diopter compensation lens selector and change the diopter compensation lens for the patient's eye. On a highly myopic patient, pull out the diopter compensation lens selector by one step and set it to (-) myopia. On a highly hyperopic patient, pull out the diopter compensation lens selector by two steps and set it to (+) hyperopia.

  • Page 43: To Avoid Injury While Moving The Instrument, Do Not Place Your Fin Gers Into The Gap Between The Instrument Body And The Power Sup

    Centering and photography To avoid injury while moving the instrument, do not place your fingers CAUTION into the gap between the instrument body and the power supply unit. To avoid injury to the patient's eyes and nose while moving the instru- CAUTION ment body, keep a safe distance between the patient and the objec- tive lens.
  • Page 44 Hold the control lever and pull the instrument backwards toward the operator. As the inter- nal fixation target flickers, instruct the patient to look at the fixation target in the center. Observe the anterior segment image on the color LCD monitor. Move the instrument body using the control lever until you get the patient's eye centered in the color LCD monitor.
  • Page 45 Slowly bring the instrument closer to the patient; the retina image will appear on the color LCD monitor. AUTO F S P Instruct the patient to look at the green light (internal fixation target). While watching the image on the color LCD monitor, adjust the brightness of the image using the ILLUMINATION LEVEL SWITCH For details about the illumination level setting, see page 38.
  • Page 46 When the patient's eye is beyond -13 to +12D, the instruction to insert the diopter compen- sation lens appears on the color LCD monitor screen. At this time, change the diopter compensation lens. Refer to "Changing the diopter compensation lens" on page 40. Since the split lines are off when the diopter compensation lens is anything other than (0), turn the focusing knob so that the fundus image is clearly visible on the color LCD monitor.
  • Page 47 When the xenon charging display flickers on the color LCD monitor, photography is not possible even by pressing the PHOTOGRAPHY SWITCH Wait until the xenon charging display turns on before you attempt to take the next image. AUTO F S P Xenon charging display The captured image is stored in the external recording device and displayed on the color LCD monitor.

  • Page 48: Exiting

    EXITING Turn OFF(O) the on the instrument body and the external recording POWER SWITCH device. While operating the control lever, move the instrument body so that it comes just above the base. To prevent the base from moving suddenly, turn the base brake knob to the right to lock the base.

  • Page 49: Objective Operations

    OBJECTIVE OPERATIONS PERIPHERAL PHOTOGRAPHY Setting the picture position • When the fixation target mode is set at "PERIPHERAL" (When shipped, "PERIPHERAL" is set.): To set the periphery, use the FIXATION TARGET SELECTOR SWITCH FIXATION TARGET SELECTOR SWITCH (RESET) FIXATION TARGET SELECTOR SWITCH (CLOCKWISE) FIXATION TARGET SELECTOR SWITCH (COUNTERCLOCKWISE) Press the , and the peripheral photogra-...
  • Page 50 The following figure and table show the fixation target pattern and the internal fixation lighting point corresponding to it. Fixation target pattern Lighting point 8POINT 9POINT For setting the fixation target pattern, refer to "Fixation target pattern" on page 29. When you want to set the fixation target mode to "DCF", select "FIXATION"...
  • Page 51 Centering and photography The centering operation is done with the control lever. For details about the movement/adjustment of the instrument body with the control lever, see the "MEMO" on page 41. Hold the control lever and pull the instrument backwards toward the operator. As the ante- rior segment fixation target flickers, instruct the patient to look at the fixation target.
  • Page 52 By operating the Illumination Level switch, adjust the brightness of the image while watch- ing it on the color LCD monitor. For details about the illumination level setting, see the "MEMO" on page 38. For the steps to follow, see "Centering and photography" on page 41 for color photogra- phy.

  • Page 53: Small Pupil Photography

    SMALL PUPIL PHOTOGRAPHY When the patient's pupil diameter is small, perform the small pupil photography. When the auto small pupil function is set to "ON", the small pupil diaphragm is automatically set. Take a picture in the same way as the procedure of "COLOR PHOTOGRAPHY (CENTER)" on page 38 and after.
  • Page 54 For details about the illumination level setting, see "Setting the illumination level" on page 38. Bring the instrument even closer to the patient, and two bright spots for the working dis- tance alignment become visible. Alignment bright spots AUTO F S P Split lines When the auto focus function is ON, the instrument changes the split lines into one line.
  • Page 55 30° in IMAGEnet, etc. When the image is printed in this setting status, it is printed with the digital magnification 30°. When shipped, the digital magnification mode is not set. For details, contact your dealer or TOPCON (see the back cover). OBJECTIVE OPERATIONS...

  • Page 56: Red-Free Photography With Rf Filter

    RED-FREE PHOTOGRAPHY WITH RF FILTER Pull out the RF filter selector toward you. The flash level is automatically changed (27W·s in ISO800) for red-free photography. For details about the flash level setting, refer to "Setting of the flash level" on page 39. Hereafter, take a picture following the same procedure as "COLOR PHOTOGRAPHY (CENTER)"...

  • Page 57: Anterior Segment Photography

    ANTERIOR SEGMENT PHOTOGRAPHY Setting the picture position Set the fixation target in the center with the FIXATION TARGET SELECTOR SWITCH Setting the illumination level Set the illumination level by pressing the ILLUMINATION LEVEL SWITCH See "Setting the illumination level" on page 38. Setting the flash level Set the flash level by pressing the FLASH LEVEL SWITCH...
  • Page 58 Move the instrument body in all directions by the control lever until the patient's eye is in the center of the color LCD monitor. AUTO F S P Turn the focusing knob so the anterior segment image is clearly visible on the color LCD monitor, and press the PHOTOGRAPHY SWITCH OBJECTIVE OPERATIONS...

  • Page 59: Stereo Photography

    STEREO PHOTOGRAPHY Press the on the Monitor screen. STEREO PHOTOGRAPHY SWITCH The ( ) scale is set vertically. Move the instrument body by operating the control lever to bring the alignment bright spot into the ( ) scale. AUTO F S P With this, focusing and positioning are done.
  • Page 60 After checking the preview screen, press the PHOTOGRAPHY SWITCH With this, the ( ) scale moves leftward. When you want to take a picture of the right side next, press the ENTER SWITCH The ( ) scale moves from the left side to the right side and you can perform the operation of Step 3 again.

  • Page 61: Image Playback Mode

    IMAGE PLAYBACK MODE Reading the image Press the on the Monitor screen. The following screen is indi- IMAGE PLAYBACK SWITCH cated on the color LCD monitor. Press the to select "SD CARD" UPWARD CURSOR SWITCH DOWNWARD CURSOR SWITCH or "USB MEMORY". Press the to decide the selected item.
  • Page 62 Deleting the image Press the in the condition where the image is read. The follow- IMAGE DELETION SWITCH ing screen is indicated on the color LCD monitor. Press the ] to select "DELETE UPWARD CURSOR SWITCH DOWNWARD CURSOR SWITCH THIS" or "DELETE ALL". When "DELETE THIS"...

  • Page 63: Before Requesting Service

    ON the power again. INTERLOCK ERROR!! The cover is open. Close the cover. If any other error except the above has occurred, turn off the power switch and contact your dealer or TOPCON (see the back cover). BEFORE REQUESTING SERVICE...

  • Page 64: Ply Unit

    If, after following the instructions below, you still cannot restore the instrument to a normal con- dition or if the problem does not fall into any of the categories below, contact your dealer or TOPCON (see the back cover). Check List...
  • Page 65 Problem Condition Check Page Split lines cannot be • Split line is set to OFF. Turn split line ON (Split switch). seen. • Diopter compensation lens selector is Return diopter compensation lens selector not set to (0). to (0). • Patient's pupil is not large enough. Darken room thoroughly...

  • Page 66: Specifications & Performance

    SPECIFICATIONS & PERFORMANCE SPECIFICATIONS Picture angle 45° Working distance 40.7mm φ4.0mm or more (φ3.3mm or more when the small pupil diaphragm Photographable area of pupil is used) Type of photography Color photography and red-free photography Focus range to correct the 0 : -13D to +12D refractive errors of the - : -33D to -12D...

  • Page 67: Electromagnetic Compatibility

    Guidance and manufacturer's declaration - electromagnetic emissions The TRC-NW8 is intended for use in the electromagnetic environment specified below. The customer or the user of the TRC-NW8 should assure that it is used in such an environment. Emissions test Compliance...
  • Page 68 Guidance and manufacturer's declaration - electromagnetic immunity The TRC-NW8 is intended for use in the electromagnetic environment specified below. The customer or the user of the TRC-NW8 should assure that it is used in such an environment. Immunity test IEC 60601...
  • Page 69 Guidance and manufacturer's declaration - electromagnetic immunity The TRC-NW8 is intended for use in the electromagnetic environment specified below. The customer or the user of the TRC-NW8 should assure that it is used in such an environment. Immunity test IEC 60601...

  • Page 70: Electric Rating

    Recommended separation distance between portable and mobile RF communications equipment and the TRC-NW8 The TRC-NW8 is intended for use in an electromagnetic environment in which radiated RF dis- turbances are controlled. The customer or the user of the TRC-NW8 can help prevent electro-...

  • Page 71: Dimensions And Weight

    Degree of protection against harmful ingress of water: IPX0 The TRC-NW8 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 recom- mended by the manufacturer: not applicable.

  • Page 72: Maintenance

    • When not in use, always turn the OFF ( POWER SWITCH Ordering consumables • When ordering consumables and spare parts, contact your dealer or TOPCON (see the back cover) and tell them the article name, article code and quantity. Article name Article code...
  • Page 73 User maintenance items Item Inspection time Contents Inspection Before using • The instrument must operate correctly. • The objective lens must be free of stain or flaw. Cleaning When the part is stained • Objective lens • External cover, control panel, etc. Replacement As required •...

  • Page 74: To Avoid Burns, Allow Lamp To Cool Before Touching

    Replacing the illumination lamp To avoid electric shock, be sure to turn the power switch off and CAUTION unplug the power cord before replacing the lamp. CAUTION To avoid burns, allow lamp to cool before touching. To avoid whitening due to fingerprints, do not touch the lamp with bare NOTE fingers.

  • Page 75: To Avoid Electric Shock, Do Not Touch The Xenon Lamp Immediately After It Flashes Or Burns Out

    Hold the new lamp and slide it into the lamp holder until it stops at the end. Make sure that the lamp is firmly fixed in the lamp holder. Fasten the lamp terminal securely with the two set screws. Attach the lamp house cover by matching the projection at the bottom part of the lamp house cover with the groove of the body cover.
  • Page 76 Loosen the three xenon set screws. Xenon set screw Xenon PCB Hold the xenon PCB at the top and the bottom, slightly slide it to the right and pull it out straight toward the operator side. Insert the new xenon PCB, so the xenon lamp does not touch the surrounding metal com- ponents, and upon reaching the stopper, slightly move it to the left and slide it into the xenon set screws.
  • Page 77 Changing the fuse To avoid electric shock, unplug the power cord from the grounded out- WARNING let before removing the fuse cover. Do not connect the power cord to the grounded outlet with the fuse cover left unfixed. To avoid fire in the event of an instrument malfunction, use only fuses WARNING that are fitted to the marked label at the side of the fuse holder.
  • Page 78 Supplying the chinrest tissue paper • When the chinrest tissue paper is used up, pull out the chinrest tissue pin and refill the tissue paper. Chinrest tissue pin MAINTENANCE...
  • Page 79 Adjusting the color LCD monitor • This instrument is adjusted for the best image quality before shipment, however, readjust- ment may be required due to influences, including vibrations, during transportation. • The image quality adjustment switch is on the left side of the color LCD monitor. Contact your dealer for further adjustment of the image quality.
  • Page 80 If you want to change other items, repeat Step Select "Save Data" and press the . The set value is saved IMAGE QUALITY MENU SWITCH and the image quality adjustment menu disappears. When the switches are not operated for 10 seconds or more during setting, the setting procedure is finished, the set value is saved and the image quality adjustment menu dis- appears.

  • Page 81: Cleaning

    CLEANING Cleaning the external cover, control panel and color LCD monitor screen To prevent the plastic parts of the instrument body from discoloring NOTE and deteriorating, do not use volatile solvents for cleaning, including benzine, thinner, ether, gasoline, etc. When the external cover, control panel and color LCD monitor screen become stained, clean them with a dry cloth.
  • Page 82 Don't let any strong-alkaline liquid adhere to the objective lens. If such liquid adheres to the lens, immediately wipe it off. If it is difficult to remove a stain from the objective lens, contact your dealer or TOPCON (see the back cover).

  • Page 83: Optional Accessories

    OPTIONAL ACCESSORIES EXTERNAL FIXATION TARGET EF-2 This is used to guide the patient's fixed sight. OPTIONAL ACCESSORIES...

  • Page 84: 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 Type A (Most common) Bolivia & Paraguay 220V/60Hz Type H (Infrequently) Chile 220V/60Hz Type A Colombia 110V/50Hz Type C...

  • Page 85: Relation Between Setting Of Illumination/ Flash Level And Maximum Radiance

    RELATION BETWEEN SETTING OF ILLUMINATION/ FLASH LEVEL AND MAXIMUM RADIANCE When the maximum radiance is "1", the ratio of radiance is shown below in setting of illumination/ flash level. Illumination level Flash level Indicated Indicated Level ratio Level ratio set value set value 0.277 0.022...

  • Page 86: Information About The Optical Radiation Hazard To The User

    (aphakes) and has not been replaced by a UV-blocking lens or for eyes of very young children. • The value stated for TRC-NW8 gives a measure of hazard potential when the instrument is operated at maximum intensity and maximum aperture. Values of L...
  • Page 87 • Period of use: Please inform us of the date of purchase. • Instrument’s condition: Please provide us with as much detail as possible on the problem. NON-MYDRIATIC RETINAL CAMERA (TRC-NW8) INSTRUCTION MANUAL 2008 version (2008.12-100TH Date of issue: December 26, 2008 Published by TOPCON CORPORATION 75-1 Hasunuma-cho, Itabashi-ku, Tokyo, 174-8580 Japan.
  • Page 88 NON-MYDRIATIC RETINAL CAMERA TRC-NW8 40508 91013 Printed in Japan 0812-100TH...

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