Topcon TRC-NW8F Instruction Manual
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Topcon TRC-NW8F Instruction Manual

Non-mydriatic retinal camera
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INSTRUCTION MANUAL
NON-MYDRIATIC RETINAL CAMERA
TRC-NW8F
TRC-NW8F plus

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Summary of Contents for Topcon TRC-NW8F

  • Page 1 INSTRUCTION MANUAL NON-MYDRIATIC RETINAL CAMERA TRC-NW8F TRC-NW8F plus...

  • Page 3: Introduction

    CAMERA. This instrument is used to observe and photograph the fundus of the eye. There are two versions of this device; the TRC-NW8F is not equipped with Fundus Autofluorescence photogra- phy (FAF photography) while the TRC-NW8F plus is equipped with FAF photography functionality.

  • 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-NW8F 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 Storage

    ENVIRONMENTAL CONDITIONS FOR PACKAGING IN STORAGE Temperature : -20°C - 50°C Humidity : 10% - 95% ENVIRONMENTAL CONDITIONS FOR PACKAGING IN TRANSPORTATION Temperature : -40°C - 70°C Humidity : 10% - 95% CHECKPOINTS FOR MAINTENANCE 1. Periodically inspect the instrument and its parts. 2.

  • 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 property, warnings and cautions are placed 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 23, 87 uneven, unsteady or sloping surface. To avoid electric shock, do not handle the plugs with wet fingers. To avoid electric shock, do not touch the external connection ter- 28, 43 minal and the patient at the same time.

  • 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

     TOPCON shall not take any responsibility for damage caused from using this instru- ment in a manner other than that described in this Instruction Manual.  Diagnoses made shall be the responsibility of the user and TOPCON shall not take any responsibility for the results of such diagnoses.

  • 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 EXITING ..........................54 OBJECTIVE OPERATIONS PERIPHERAL PHOTOGRAPHY ..................55 SMALL PUPIL PHOTOGRAPHY ..................59 RED-FREE PHOTOGRAPHY WITH RF FILTER (Only in TRC-NW8F) ......62 ANTERIOR SEGMENT PHOTOGRAPHY ................. 63 STEREO PHOTOGRAPHY ....................65 FA PHOTOGRAPHY (CENTER) ..................67 FAF PHOTOGRAPHY (Only in TRC-NW8F plus) ............. 70 PICTURE ANGLE CHANGE PHOTOGRAPHY ..............
  • Page 13 BEFORE REQUESTING SERVICE TROUBLESHOOTING ....................... 75 SPECIFICATIONS & PERFORMANCE SPECIFICATIONS ......................79 ELECTROMAGNETIC COMPATIBILITY ................80 Requirements for the EXTERNAL DEVICE ............... 83 PATIENT’S ENVIRONMENT ..................... 84 ELECTRIC RATING ......................84 SYSTEM CLASSIFICATION ....................85 DIMENSIONS AND WEIGHT .................... 85 INTENDED USE ........................

  • Page 14: System Diagram

    Digital camera cable Focusing knob LED illuminator Color LCD monitor Photography switch RF filter selector (TRC-NW8F) Control lever FAF filter selector (TRC-NW8F plus) Power lamp IR filter selector Image quality adjustment switch Power supply unit Base brake knob Control panel...

  • Page 15: Control Panel Components

    (In FA photography, this switch adjusts the ISO sensitivity of the digital camera.) Illumination level switch: P.46 Adjusts the illumination level according to the patient's eye condition. * (In TRC-NW8F plus, this switch is usable only when the auto illumination level adjustment function is OFF.) Chinrest up/down switch: P.45 Adjusts the chinrest up/down movement.
  • Page 16 TRC-NW8F Stereo photography switch ID input switch Image playback switch Photography mode switch Timer switch Illumination diaphragm selector switch (Upward cursor switch) Fixation target selector switch (clockwise) (Rightward cursor switch) Fixation target selector switch (reset) (ENTER switch) (PRINT switch) Fixation target selector...
  • Page 17 * (The stereo photography switch can be changed to the picture angle switch by setting.) Photography mode switch: P.67 Switches between color photography and FA photography. Timer switch: P.68 Displays the timer stamp on the observation/photography image. * For details, contact your dealer or TOPCON (see the back cover). SYSTEM DIAGRAM...
  • Page 18 TRC-NW8F plus Stereo photography switch Picture angle switch Photography mode switch Timer switch Illumination diaphragm selector switch (Upward cursor switch) Fixation target selector switch (clockwise) (Rightward cursor switch) Fixation target selector switch (reset) (ENTER switch) Fixation target selector AUTO switch...
  • Page 19 Fixation target selector switch (reset): P.55 (ENTER switch): P.30, P.43 Switches the current internal fixation target position to the first position. (This is changed to the [ENTER] switch on the menu.) Fixation target selector switch (clockwise): P.55 (Rightward cursor switch): P.43 Switches the position of the internal fixation target to guide the patient's eye to the periphery fixation point.

  • Page 20: Components Of Color Lcd Monitor Screen

    The upper limit of the displayed recordable image quantity is "999". The illumination level display is different between TRC-NW8F and TRC-NW8F plus. The above figure shows it in TRC-NW8F. In TRC-NW8F plus, "AUTO" or a value of "1/ 11" to "11/11" is displayed.
  • Page 21 Illumination level The illumination level display is different between TRC-NW8F and TRC-NW8F plus. The above figure shows it in TRC-NW8F. In TRC-NW8F plus, "AUTO" or a value of "1/ 11" to "11/11" is displayed. Monitor screen (When FAF photography is selected) *Only in TRC-NW8F plus...
  • Page 22 For the "STAND ALONE" setting, contact your dealer or TOPCON (see the back cover). In TRC-NW8F plus, the preview screen is not displayed on the color LCD monitor. It is displayed on the monitor connected to the image filing system.
  • Page 23 Count of photograph When the data is recorded in SD card, the FA display does not appear. In TRC-NW8F plus, the playback image is not displayed on the color LCD monitor. MENU screen Item to be set...

  • Page 24: 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 (2) Instruction manual (1) Dust cover (1) Spare parts case (1) Rail cover (2) Screw (4)

  • Page 25: 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 26 Slightly raise the control lever and remove the packing material from the underneath the base in the direction of the arrow. 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 27: 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 28: 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 29: 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 30: To Avoid Electric Shock, Do Not Touch The External Connection Terminal And The Patient At The Same Time

    Be sure to connect IMAGEnet (commercial product), etc. to the image terminal and the image/data terminal. 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). PREPARATIONS...
  • Page 31 The window of the OS (Operating System) built in the instrument may be displayed. If this phenomenon occurs, turn off the instrument and turn it on again. Even if a digital printer or data input device is connected to TRC-NW8F plus, it does not work. Use an image filing system.

  • Page 32: Menu Setting

    SHOOT SMALL PUPIL FLASH FIXATION MEMORY *The above figure shows the screen of TRC-NW8F. Press the ; the selected item is DOWNWARD CURSOR SWITCH UPWARD CURSOR SWITCH changed. Press the , and the selected item is chosen.
  • Page 33 MENU FOCUS SHOOT SMALL PUPIL FLASH FIXATION MEMORY *The above figure shows the screen of TRC-NW8F. Select "ON" or "OFF" with the DOWNWARD CURSOR SWITCH UPWARD CURSOR SWITCH and then press the . The selected data is set. ENTER SWITCH...
  • Page 34 MENU FOCUS SHOOT SMALL PUPIL FLASH FIXATION MEMORY *The above figure shows the screen of TRC-NW8F. Select "ON" or "OFF" with the DOWNWARD CURSOR SWITCH UPWARD CURSOR SWITCH and then press the . The selected data is set. ENTER SWITCH...
  • Page 35 MENU FOCUS SHOOT SMALL PUPIL FLASH FIXATION MEMORY *The above figure shows the screen of TRC-NW8F. Select "ON" or "OFF" with the DOWNWARD CURSOR SWITCH UPWARD CURSOR SWITCH and then press the . The selected data is set. ENTER SWITCH...
  • Page 36 Setting of auto illumination level adjustment function (Only in TRC-NW8F plus) Set the auto illumination level adjustment function ON/OFF. (Factory default is "ON".) The auto illumination level adjustment function works as follows: when observing the patient's eye, the instrument adjusts the illumination level automatically according to the eye status and displays the image with the optimum brightness.
  • Page 37 Switching of internal/external fixation targets 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 PERIPHERAL FLASH FIXATION MEMORY Press the to select "INT/EXT"...
  • Page 38 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 39: Setting The Recording Media To Save Image

    When saving the image in the recording device such as the USB memory (commer- cial product), etc. In the case of TRC-NW8F, connect the recording device such as the USB memory to the input/ output terminal. The instrument automatically recognizes the USB memory and the recording device recognition icon is displayed on the color LCD monitor.
  • Page 40 USB cables are used), the photographed image cannot be saved in the USB mem- ory. In TRC-NW8F, do not take a picture before the recording device recognition display appears. If you wait for a while but the USB memory recognition icon is not displayed, disconnect and re-connect the USB memory.
  • Page 41 SD card, set the items according to the follow- ing procedure. In TRC-NW8F plus, it is not necessary to set the items. Only the images of color photography and FA photography can be saved. The FAF photography image cannot be saved in the SD card.
  • Page 42 Set the reference value of flash level (in FAF photogra- phy). When you set "0", the reference value of flash level is · *"GREEN BASE LVL" is displayed only in TRC-NW8F and "FAF BASE LVL", only in TRC-NW8F plus. PREPARATIONS...

  • Page 43: Reset From Power Save State

    For details, refer to page 56. 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 44: Basic Operations

    BASIC OPERATIONS FLOW OF OPERATION Photography procedure explained in "COLOR PHOTOGRAPHY (CENTER)" Turning on the power (P.43) Setting the patient (P.43 - P.45) Setting the illumination level (P.46) Setting the flash level (P.47) Changing the diopter compensation lens (P.48) Small pupil photography (P.59) Centering and photography (P.49 - P.53) When the patient has small pupil Finish procedure (P.54)

  • Page 45: Preparation For Photography

    Character selection unit Use the cursor to move to the character to be input. (Only when TRC-NW8F is used in the "STAND ALONE" setting.) Press the of the instrument to select the character.
  • Page 46 Repeat Step 3 - 4 to input all the digits. (Only when TRC-NW8F is used in the "STAND ALONE" setting.) Connect the mouse to the input/output terminal, and the mouse pointer is displayed only when inputting ID. Move the mouse pointer to a desired character and click the left but- ton of the mouse.
  • Page 47 If the chinrest does not move when you press the , set the CHINREST UP/DOWN SWITCH to the OFF ( ) side and unplug the power cord from the outlet. Then, POWER SWITCH contact your dealer or TOPCON (see the back cover). BASIC OPERATIONS...

  • Page 48: Color Photography (Center)

    When the instrument is first turned on, the illumination level is set to level 3. In TRC-NW8F plus, there is an auto illumination level adjustment function. So, it is not necessary to set the illumination level manually. ("AUTO" is displayed for the illumination level.)
  • Page 49 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 50 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 51 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 52 Hold the control lever and pull the instrument toward the operator. As the internal 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 53 While watching the image on the color LCD monitor, adjust the brightness of the image using the ILLUMINATION LEVEL SWITCH In TRC-NW8F plus, the auto illumination level adjustment function works. So, it is not nec- essary to adjust the illumination level manually. For details about the illumination level setting, see page 46.
  • Page 54 Operate the control lever until the two alignment bright spots are changed to one spot. When the patient's eye is beyond -13 or more than +12D, the instruction to insert the diopter compensation lens appears on the color LCD monitor screen. At this time, change the diopter compensation lens.
  • Page 55 If the light intensity of the image is insufficient, compensate for it by pressing the , and repeat the centering and photography procedure. FLASH LEVEL SWITCH The preview screen appears only when TRC-NW8F is used in the "STAND ALONE" set- ting. When connecting to IMAGEnet (commercial product), etc. with two USB cables, the pre- view screen is not indicated.

  • Page 56: Exiting

    EXITING Turn OFF(O) the on the instrument body and the external connection 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 57: Objective Operations

    OBJECTIVE OPERATIONS PERIPHERAL PHOTOGRAPHY Setting the picture position • When the fixation target mode is set at "PERIPHERAL" (Factory default is "PERIPHERAL".): 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 58 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 36. When you want to set the fixation target mode to "DCF", select "FIXATION"...
  • Page 59 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 49. 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 60 ILLUMINATION LEVEL SWITCH watching it on the color LCD monitor. In TRC-NW8F plus, the auto illumination level adjustment function works so, it is not nec- essary to adjust the illumination level manually. For details about the illumination level setting, see the "MEMO" on page 46.

  • Page 61: Small Pupil Photography

    SMALL PUPIL PHOTOGRAPHY When the patient's pupil diameter is small, use the small pupil function. When the auto small pupil selector 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 46 and after.
  • Page 62 ILLUMINATION LEVEL SWITCH watching it on the color LCD monitor. In TRC-NW8F plus, the auto illumination level adjustment function works so, it is not nec- essary to adjust the illumination level manually. For details about the illumination level setting, see "Setting the illumination level" on page 46.
  • Page 63 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 64: Red-Free Photography With Rf Filter (Only In Trc-Nw8F)

    RED-FREE PHOTOGRAPHY WITH RF FILTER (Only in TRC-NW8F) Pull out the RF filter selector toward you. The flash level is automatically changed (22W·s in ISO800) for red-free photography. For details about the flash level setting, refer to "Setting of the flash level" on page 47.

  • Page 65: Anterior Segment Photography

    Setting the illumination level Set the illumination level by pressing the ILLUMINATION LEVEL SWITCH In TRC-NW8F plus, the auto illumination level adjustment function works so, it is not necessary to adjust the illumination level manually. See "Setting the illumination level" on page 46.
  • Page 66 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. 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 67: 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. With this, focusing and positioning are done. Photography is not done yet. With this, the ( ) scale moves to the right.
  • Page 68 After checking the preview screen, press the PHOTOGRAPHY SWITCH With this, the ( ) scale moves to the left. 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 69: Fa Photography (Center)

    Setting the illumination level. Set the illumination level by pressing the ILLUMINATION LEVEL SWITCH In TRC-NW8F plus, the auto illumination level adjustment function works so, it is not necessary to adjust the illumination level manually. See "Setting the illumination level" on page 46.
  • Page 70 The photographed image is captured in the external recording device and the mini preview of the photographed image is displayed on the color LCD monitor. Each time you press the , the display is updated in turn. (Displayed only when TRC-NW8F is PHOTOGRAPHY SWITCH used in the "STAND ALONE"...
  • Page 71 While the image is being saved, the icon of the SD card or USB memory blinks. When saving has been finished, the icon status is changed, from "blinking" to "lighting". In TRC-NW8F and TRC-NW8F plus, when connected to the image filing system the photographed image is not displayed on the color LCD monitor. The photographed image is captured to the image filing system and is displayed on the monitor connected to the image filing system.

  • Page 72: Faf Photography (Only In Trc-Nw8F Plus)

    FAF PHOTOGRAPHY (Only in TRC-NW8F plus) Setting the photography mode Make sure that the photography mode is set to "Color photography" and then pull out the FAF filter selector to your side. ABCDEFGHIJKLMNOPQRS FAF display Setting the illumination level The auto illumination level adjustment is activated, so no manual adjustment is necessary.

  • Page 73: Picture Angle Change Photography

    Monitor screen. The picture angle change photography function cannot be used in FAF photography. In the case of TRC-NW8F plus, this function can be used only when connected to the personal computer to which the photography software is installed.

  • Page 74: To Avoid Pain And Eye Disease Of The Patient, Do Not Perform The Visible Fa Observation For A Long Time

    VISIBLE FA OBSERVATION To avoid pain and eye disease of the patient, do not perform the visi- CAUTION ble FA observation for a long time. Observation is usually performed with infrared light. For example, at the initial stage of fluores- cein photography, if you want to take a picture of the patient's eye when the fluorescein begins to flow into the artery of the fundus blood vessels, it is possible to perform the visible FA obser- vation as movies on the color LCD monitor.

  • Page 75: Image Playback Mode (Only In Trc-Nw8F)

    IMAGE PLAYBACK MODE (Only in TRC-NW8F) 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".
  • Page 76 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 77: Before Requesting Service

    If any other error except the above has occurred, turn off the and con- POWER SWITCH tact your dealer or TOPCON (see the back cover). BEFORE REQUESTING SERVICE...
  • Page 78 Countermeasure when the battery is run down For replacing the battery, contact your dealer or TOPCON (see the back cover). When the message shown at the right is displayed, it is necessary to replace the battery. Select "OK" and set the date as shown in Step before replacement.
  • Page 79 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 80 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 81: Specifications & Performance

    *1) Only the image that is photographed with the small pupil diaphragm can be saved and dis- played as the image applicable to the picture angle 30°. *2) In the case of TRC-NW8F plus, this picture angle function can be used only when connected to the personal computer to which the photography software is installed.

  • Page 82: Electromagnetic Compatibility

    Guidance and manufacturer's declaration - electromagnetic emissions The TRC-NW8F/TRC-NW8F plus is intended for use in the electromagnetic environment speci- fied below. The customer or the user of the TRC-NW8F/TRC-NW8F plus should assure that it is used in such an environment. Emissions test...
  • Page 83 Guidance and manufacturer's declaration - electromagnetic immunity The TRC-NW8F/TRC-NW8F plus is intended for use in the electromagnetic environment speci- fied below. The customer or the user of the TRC-NW8F/TRC-NW8F plus should assure that it is used in such an environment. Immunity test...
  • Page 84 Guidance and manufacturer's declaration - electromagnetic immunity The TRC-NW8F/TRC-NW8F plus is intended for use in the electromagnetic environment speci- fied below. The customer or the user of the TRC-NW8F/TRC-NW8F plus should assure that it is used in such an environment. Immunity test...

  • Page 85: Requirements For The External Device

    NW8F plus can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the TRC-NW8F/ TRC-NW8F plus as recommended below, according to the maximum output power of the com- munications equipment. Rated maximum...

  • Page 86: Patient's Environment

    PATIENT’S ENVIRONMENT When the patient or inspector may touch the devices (including the connecting devices) or when the patient or inspector may touch the person that comes into contact with the devices (including the connecting devices), the patient's environment is shown below. In the patient's environment, use the device conforming to IEC60601-1.

  • Page 87: System Classification

    LEAKAGE CURRENT. Degree of protection against harmful ingress of water: IPX0 The TRC-NW8F/TRC-NW8F plus 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 88: Operation Principle

    Ba filter for FAF photography, which selects and filtrates the fluorescent wavelength, is inserted into the observation/photography optical system. Then, the observation camera built in the instrument takes a picture. The instrument of TRC-NW8F plus must have the observa- tion camera applicable to FAF photography.

  • Page 89: 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 90 User maintenance items Item Inspection time Contents Inspection Before using • The instrument must operate correctly. • The objective lens must be free of dirt or flaw, etc. Cleaning When the part is stained • Objective lens • External cover, control panel, color LCD mon- itor, etc.

  • Page 91: 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 92: 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 93 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 94 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 95 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 96 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 97 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 98: 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 99 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 100: 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 101: Relation Between Setting Of Illumination/ Flash Level And Maximum Radiance

    FLASH LEVEL AND MAXIMUM RADIANCE When the maximum radiance is "1", the ratio of radiance is shown below in setting of illumination/ flash level. TRC-NW8F TRC-NW8F Flash level TRC-NW8F plus Illumination level Illumination level Illumination level Indicated Level ratio set value...

  • Page 102: 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-NW8F gives a measure of hazard potential when the instrument is operated at maximum intensity and maximum aperture. Values of L...
  • Page 103  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-NW8F/TRC-NW8F plus) INSTRUCTION MANUAL 2011 version (2011.05-100TH Date of issue: May 9, 2011 Published by TOPCON CORPORATION 75-1 Hasunuma-cho, Itabashi-ku, Tokyo, 174-8580 Japan.
  • Page 104 NON-MYDRIATIC RETINAL CAMERA TRC-NW8F TRC-NW8F plus 40504 91010 Printed in Japan 1105-100TH...

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Trc-nw8f plus

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