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Topcon TRC-50EX Fundus Camera User Manual PDF

1. Bc 2 Basic Operation 5 Put film in cartridge chamber Do not touch the aperture mask on the film rail It is easily damaged 6 Draw out the end of film until it reaches the red mark and close the back cover Film is automatically wound until the film counter reads 1 e When a 35 mm camera separately loaded with new film is mounted onto the main body the film is automatically wound until the film counter reads 1 The ISO film speed is indicated on the data display unit for program mode e F Err is indicated on the data display unit when depressing the shutter release button while the film is not fully loaded or there is no film in the cartridge chamber Red mark Film rewinding and unloading In the normal mode 1 When film is used up the red LED at the top of camera starts flashing with a sound of the buzzer and the film is rewound automatically 2 After the film is rewound open the back cover by pushing up the back cover release lever on the side of camera and unload the film Back cover release lever In the intermediate rewinding mode Rewind switch e When the film is partially used if the rewind switch on the upper right of the back of camera is slid to the left the red LED at the top of camera starts flashing with a sound of the buzzer and the film is rewound automatically e You cannot operate the UPPER LOWER selector switch
2. Electromagnetic compatibility This product conforms to the EMC Standard IEC 60601 1 2 2001 a MEDICAL ELECTRICAL EQUIPMENT needs special precautions regarding EMC and needs to be installed and put into service according to the EMC information provided in the ACCOMPANYING DOCUMENTS b Portable and mobile RF communications equipment can affect MEDICAL ELECTRICAL EQUIPMENT c The use of ACCESSORIES transducers and cables other than those specified with the exception of transducers and cables sold by the manufacturer of the EQUIPMENT or SYSTEM as replacement parts for internal components may result in increased EMISSIONS or decreased IMMUNITY of the EQUIPMENT or SYSTEM d The EQUIPMENT or SYSTEM should not be used adjacent to or stacked with other equipment IF adjacent or stacked use is necessary the EQUIPMENT or SYSTEM should be observed to verify normal operation in the configuration in which it will be used e The use of the ACCESSORY transducer or cable with EQUIPMENT and SYSTEMS other than those specified may result in increased EMISSION or decreased IMMUNITY of the EQUIPMENT or SYSTEM SCCD Color Video Camera SONY Dxcaso0P Camera Adaptor SONY comam CABLE VS 200 1RC s0200 so CABLE MET2 SONY 405780093 so Guidance and manufacturer s declaration electromagnetic emissions The TRC 50EX is intended for use in the electromagnetic environment specified below The customer or the user of
3. The objective lens may be cleaned by a non trained technician For details refer to the applicable text in this manual ESCAPE CLAUSE TOPCON shall not take any responsibility for damage due to fire earthquakes actions by third persons and other accidents or the negligence and misuse by the user or use under unusual conditions TOPCON shall not take any responsibility for damage derived from the inability to use this equipment such as a loss of business profit and suspension of business TOPCON shall not take any responsibility for damage caused by operations other than those described in this Instruction Manual Diagnoses made are the responsibility of pertaining doctors and TOPCON shall not take any responsibility for the results of such diagnoses WARNING INDICATIONS AND POSITIONS To ensure safe usage of this equipment precaution indications are provided Abide the following warning instructions If any of the following labels are missing please contact us at the address stated on the back cover CAUTION e To avoid potential injury do not put your hand or finger between the power supply unit and the base when moving the base CAUTION e To avoid potential injury during operation do not touch the patient s eyes or nose with the instrument WARNING Disconnect the power plug from the outlet before removing a fuse for replacing Removing the fuse cover without disconnecting the power plug may result
4. When inputting other data start from the step 1 e Using the timer in fluorescein photography e Six digit and the time are photographed together e When the TIME switch is started the input data is displayed at the upper stage but when photographed the time comes at the upper stage and the data at the lower stage e lf the input data exceeds 6 digits when photographed only the 6 digits displayed at the upper stage appear at the lower stage and the time comes at the upper stage 253678 72093 00 15 3 253678 e When the timer is turned off all the input data is displayed 6 Press the ID switch to register the data and the data input mode is finished 46 Operations for Additional Uses TROUBLE SHOOTING Countermeasures to be taken in case of trouble e If any trouble should occur check the following items before contacting your authorized dealer e Pull out the power plug from the power outlet when lamps or fuses are to be checked 1 Illumination lamp does not light 2 Xenon lamp does not flash 3 External fixation target does not light 4 35mm LOWER camera does not work 5 35mm UPPER camera does not work o Has the power saving function been activated and the UPPER LOWER selector switch flickering illuminates If so press the UPPER LOWER selector switch o Check fuses F4 and Fo o Check whether the fixing screw of the illumination
5. CAUTION Icons Prevention Item e Before transporting set the tilting unit down and lock the tilt brake lever so that the base s up and down movement may be at the minimum If transporting without locking the movement the instrument loses its balance and you may be injured Pay attention to the clearance between the objective lens and the patient When the main body is moved the objective lens may bump against the patient s eye or nose inflicting a minor injury Two persons must use the handholds at the bottom when transporting the instrument Single handed transportation is very dangerous possibly causing the one who is carrying to hurt his back or become injured if they the drop the instrument Holding other than the bottom may also pinch the hands and result in dropping the instrument Prior to transportation suppress camera motions by turning the base fixing lever and the swing arm locking lever Transportation without setting these levers may unbalance the instrument thereby resulting in dropping the instruments Prior to transportation suppress vertical motions by locking the tilt brake lever Transportation without setting this lever may unbalance the instrument thereby resulting in dropping the instrument When setting the tilting unit stopper ensure that the screwdriver is inserted completely into the hole in the tilting unit If incompletely inserted the screwdrive
6. camera Back cover release lever Rewinding crank Rewind switch Film counter Mount 13 STRUCTURE AND NOMENCLATURE Power Supply Unit Power switch Chinrest Body connection cord 65 Height level marker Patient s eye must be Base connecting cord aligned with this marking Power cord Head strap Primary fuse holder 67 CONTROL terminal Used for connection 61 Secondary fuse holder with IMAGE net 62 External fixation target DATA terminal Used for communications 63 Chinrest adjusting knob with IMAGE net 14 STRUCTURE AND NOMENCLATURE Accessories Quantity Quantity e Accessories case 1 e Hexagonal wrench large 1 e Chinrest paper 1 e Hexagonal wrench small 1 e Chinrest paper fastening pins 2 e Tilt brake lever 1 e Fuses 9 e Internal Fixation target 1 Quantity is changed depending This is an option in some areas on the used areas e Data plate 5 Q 15 STRUCTURE AND NOMENCLATURE ASSEMBLY Components 16 Assembly Topcon 1 Power suppiyunt Lo i a Pox o ma Lo 1 Pox i a o ma 1 1 1 1 1 1 1 Assembling procedure When handling the main body and power supply unit hold them firmly If dropped or if your hands and fingers are caught between components they may cause injury WARNING A WARNING CAUTION CAUTION Z CAUTION CAUTION Z CAUTION Do not disassemble remodel or repai
7. chinrest support and the lower or upper arm A CAUTION This warning is mostly directed towards the patient When the main body is moved the hands may be pinched or injured e Pay attention to the clearance between the objective lens and the A CAUTION Pet 1 2 3 44 When the main body is moved the objective lens may bump against the patient s eye or nose inflicting a minor injury Set the patient s pupil and the main body to proper position Coincide the light beam properly to the optical axis of the patient s pupil If not flare will occur on one side See Alignment of the light beam onto the patient s pupil As flares are easy to appear at an angle of coverage of 50 it is recommended to take stereo photography at an angle of coverage of 35 or 20 Tighten the STEREO lever STEREO Move the base gently to its limit in both the fe right and left directions and release the ne N shutter Operations for Additional Uses Recording patient data by ID mode Setting the ID mode To activate the ID mode set the dip switch 3 to ON the side with a numerical indication Do not touch any switches other than 3 to avoid malfunctions that may otherwise occur 12245 67 6 9 10 Tel ID mode Recording patient data ID mode When the 35mm camera UPPER LOWER is used the patient data 12 digit number is recorded simultaneously with retinal photography 1 The dat
8. come off causing the main body to fall off and may result in bodily injuries 1 Tighten the tilt brake knob until it is locked and install optional accessories e Tilt brake knob is free when loosened and locked when tightened Brake is increasingly applied as this knob is fastened 2 Loosen the tilt brake knob until it becomes free and check the tilt balance 3 Remove a single screw and remove the tilt 4 5 6 cover Loosen the safety stopper screw e Give about four turns to the safety stopper screw There is no need to remove the screw If the body is heavy and too low Insert a screwdriver into the hole at the bottom of the tilting unit turn it clockwise a little and while holding it in that position grab the stopper as shown in the photo and pull it in the arrowhead direction e If the body is light and too high insert a screwdriver into the hole at the top of the tilting unit and turn it counterclockwise While holding the screwdriver as in step 5 turn it slightly clockwise until stopper disengages Now wind the spring by turning the screwdriver until the stopper is inserted Cover Tilt brake knob Safety stopper screw Stopper 21 Assembly After making sure that the stopper is completely inserted pull out the screwdriver 7 Repeat the spring winding operations in steps 5 and 6 until the body stays level e Verify tilt balance by carrying out tilting operatio
9. during rewinding e Don t turn off the power of the camera during rewinding 28 Basic Operation In the manual rewinding mode 1 Dismount the 35 mm camera from the main body and slide the rewind switch to the left 2 Erect the rewinding crank on the top left of camera and turn the crank clockwise until it becomes loose Rewinding crank 29 Basic Operation Precautions when handling a 35 mm camera e Wipe the contacts on the camera mount gently with a clean cloth from time to time in order to maintain good electrical connection e Clean the film chamber sprocket and film pressure plate from time to time in order to prevent scratches on the film Film pressure plate of p 3 Ne oy ae i _ os U Te J Contact Film chamber Sprocket 30 Basic Operation Preparations for photography 1 Film loading See Preparing a 35mm camera 2 Adjustment of the eyepiece How to adjust the eyepiece Place a white sheet of paper in front of the objective lens for this purpose First unfocus the eyepiece by rotating its adjustment ring in the counter clockwise direction which will make the cross hairs appear completely blurred Next rotate the adjustment ring slowly in the clockwise direction while checking the cross hair image in the field of view Stop when the image is sharply focused Inaccurate diopter adjustment results in unfoc
10. film pack 4 J Push the film door latch in the arrow J indicated direction and the film exit slot will e UPPER open a e J Insert the film pack fully with the film _ 7 surface pointing downwards A Then close the film exit slot When inserting a new film pack the warning buzzer sounds until the cover backing paper is ejected e Inthe event of a film pack incompletely inserted the film exit slot cannot be closed Try to insert the pack once more Depress the film eject button once and eject the cover backing paper Film surface Reference Material 3 4 5 6 You do not need to press the film eject button except to remove cover paper Alignment and photography are same as for normal retinal photography By depressing the shutter release button of the control lever the film is ejected automatically Development of the Polaroid film takes from 3 to 5 minutes One Polaroid film pack contains 10 sheets of film The number of unexposed sheets remaining is displayed by the picture counter When the picture counter indicates 0 a warning buzzer will sound In order to stop the warning buzzer set the UPPER LOWER selector switch to LOWER or load a new film pack and take out the cover paper If the film pack is taken out and re inserted while photographing even when there is no remaining film the buzzer does not sound Push the film pack re
11. injury e When the instrument is connected to a PC Don t perform photography with a 35mm camera while the power of the PC is turned OFF If you wish to take photographs with a 35mm camera while the power of the PC is OFF remove the cable from the CONTROL terminal Otherwise your photographs may not come out correctly 39 Basic Operation 1 2 3 4 5 6 7 40 Basic Operation Load the 35mm camera with ISO 400 black and white film Set the filter switching knob to N Prepare the patient data to be included in photography Write data within a 30mm area on the patient physical record set the diopter compensation knob to or A and focus set the exciter filter by pressing the EXCITER switch and then press the DATA switch When setting the ID mode see Recording patient data by ID mode Turn the EX BA LINK FA Filter Setting switch ON Auto mode Set a fluorescent illumination light intensity using the FLUO knob How to adjust the required illumination for fluorescein photography Adjust the FLUO knob to the required illumination which can be preset freely with its exclusive knob The illumination is automatically changed to the preset intensity when the excitation filter is pushed on ian etal lal prey gt FLUO 12 Il wo EXCITER BARRIER TIME O Co Make the same adjustments as noted for color retinal photography
12. not smeared with fingerprints and or stains This symbol is applicable for EU member countries only To avoid potential negative consequences for the environment and possibly human health this instrument should be disposed of i for EU member countries in accordance with WEEE Directive on Waste Electrical and Electronic Equipment or ii for all other countries in accordance with local disposal and recycling laws DISPLAY FOR SAFE USE In order to encourage the safe use of products and prevent any danger to the operator and others or damage to properties important warnings are put on the products and inserted in the instruction manuals We suggest that everyone understand the meaning of the following displays and icons before reading Safety Cautions and text Display Meaning Ignoring or disregard of this display may lead to the A WARNING impending danger of death or serious injury Ignoring or disregard of this display may lead to personal A CAUTION injury or physical damage E Injury refers to hurt burn electric shock etc Em Physical damage refers to extensive damage to buildings or equipments and furniture Meaning This icon indicates Hazard Alerting Warning Specific content is expressed with words or an icon either inserted in the icon itself or located close to the icon This indicates Prohibition Specific content is expressed with words or an icon either inserted in the icon itself or locate
13. that your outlet is compatible with the three pin plug of this instrument In the event of incompatibility consult an electrician and be sure to ground the instrument Checking power frequency First of all turn the power switch OFF and disconnect the power cord from the outlet Then check that the No 8 switch of the dip switch is set to the position corresponding to the frequency of your area Power frequency is set to 50 Hz at shipping Check the frequency of your available power and set the No 8 switch to upper position for 60 Hz frequency Use of the instrument with 50 Hz power frequency in a 60 Hz area results in the insufficient brightness of illumination lamp and the inability to adjust the optimum light intensity a Gey o amp Z J 12345678910 nonn OFF 50 Hz 12345678910 mmnnnnn an OFF 60 Hz 19 Assembl y 20 Assembly 4 Checking the control lever operation Loosen the base fixing knob and operate the control lever to check if it moves smoothly a Horizontal movement b Fore and aft movement c Vertical movement 5 Checking tilt balance After any optional accessories are installed tilt the body by loosening the tilt brake lever and check its balance Before shipping the product is adjusted to keep balance wh
14. topcon com TOPCON CANADA INC 110 Provencher Avenue Boisbriand QC J7G 1N1 CANADA Phone 450 430 7771 Fax 450 430 6457 www topcon ca TOPCON EUROPE B V European Representative Essebaan 11 2908 LJ Capelle a d IJssel THE NETHERLANDS Phone 010 4585077 Fax 010 4585045 www topconeurope com TOPCON EUROPE MEDICAL B V European Sole Sales Company Essebaan 11 2908 LJ Capelle a d IJssel THE NETHERLANDS Phone 010 4585077 Fax 010 2844940 www topconeurope com ITALY OFFICE Via Dell Industria n 60 20037 Paderno Dugnano Milano ITALY Phone 02 61 25 583 E mail info topconitaly tiscali it www topcon it TOPCON DEUTSCHLAND G m b H Giesserallee 31 33 D 47877 Willich GERMANY Phone 02154 8850 Fax 02154 885111 www topcon de Med topcon de TOPCON ESPA A S A HEAD OFFICE Frederic Mompou 5 ED Euro 3 08960 Sant Just Desvern Barcelona SPAIN Phone 93 4734057 Fax 93 4733932 www topconesp com MADRID OFFICE Avenida Burgos 16E 1 28036 Madrid SPAIN Phone 91 302 4129 Fax 91 383 3890 TOPCON S A R L 89 rue de Paris 92585 Clichy Cedex FRANCE Phone 01 4106 9494 Fax 01 4739 0251 TOPCON SCANDINAVIA A B Neongatan 2 S 43151 M lndal SWEDEN Phone 031 7109200 Fax 031 7109249 info topcon se TOPCON GREAT BRITAIN LTD Topcon House Kennet Side Bone Lane Newbury Berkshire RG14 5PX United Kingdom Phone 01635 551120 Fax 01635 551170 TOPCON SOUTH ASIA PTE LTD Blk 192 Pandan Loop 07 01 Pantech Industrial Complex SINGAPORE 128381 Phone 6278022
15. with the retinal image e When recording together with ocular anterior photography Write data within 30mm on a patient physical record set the diopter compensation knob on either or A and focus By pressing the DATA switch of control unit the xenon lamp will flash and the data is recorded When setting the ID mode see Recording patient data by ID mode 36 Basic Operation 4 Alignment of the light beam onto the patient s pupil How to properly align the light beam First look at the patient s pupil from the side of the instrument To coincide the light beam properly to the patient s pupil move the main body into a position 50mm in front of the patient s eye with the control lever positioned straight Then adjust the control lever to the right and left and rotate it to move the main body up or down until the light beam is coincident with the patient s pupil Then finely adjust the control lever to focus the ring slit image on the cornea coaxially with the patient s pupil e Ring slit images on cornea e Images observed by viewfinder Images filmed by camera 37 Basic Operation 5 6 7 8 38 Basic Operation Finely adjust the main body longitudinally to illuminate the retina evenly When the alignment illumination points are used Turn on the alignment illumination point switch Move the main body into a position about 50mm in front o
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17. 6S TOPCON INSTRUCTION MANUAL RETINAL CAMERA TRC 50Ex INTRODUCTION Thank you for your purchasing the TOPCON TRC 50EX Retinal Camera THIS INSTRUMENT HAS THE FOLLOWING FEATURES e This instrument assists the oser in obtaining pictures of exceptional and stable quality e The instrument is easier to use and operate than previous models e A wide variety of optional accessories are available for diverse photographic and imaging purposes This manual provides an outline basic operation troubleshooting maintenance and cleaning methods for the TRC 50EX Retinal Camera Please carefully read the Display for Safe Use and the Safety Cautions before putting this instrument into operation Always keep this manual at hand PRECAUTIONS Ensure that this instrument is used and stored in a controlled environment under normal temperature and humidity conditions and avoid direct exposure to sunlight Never install this instrument on an uneven or loose floor Always check that all cables are correctly connected before use Be sure to ground the instrument for compatibility with high currents Never disable the grounding plug of the power cord Use a power supply within the range of 10 of the rated voltage 50 60 Hz Keep the installation site always clean and while the instrument is not in operation turn off the power switch and use the dust cover To obtain clear images be sure the objective lens is
18. FF and disconnect the power cord from the outlet 2 While pressing the fuse holder remove it by rotating in a counter clockwise direction 3 Replace with a fuse of the same rating While pressing the fuse holder attach by rotating in the clockwise direction 68 Maintenance and Checking Use When the fuse blows F 15A or 8A Instrument will not work F2 15A or 8A Instrument will not work F3 3 15A Flash control The buzzer keeps sounding and the system does not operate F4 4A Control circuit The buzzer keeps sounding and the system does not operate F 5A Control circuit The system does not operate Schedule of expendables and spare parts When ordering expendables and spare parts please indicate the code number and the quantity required in addition to the description Illumination lamp 40535 40200 Expendables Chinrest paper 40310 40821 Data plate 40405 16040 40405 58060 8A Fuse FJ 69 Maintenance and Checking When you have contact with us advice us of the following data e Model name TRC 50EX e Serial number This is described on the rating nameplate on the right side of the base e Period of use Please inform us of the purchase date of this instrument e State of malfunction Please inform us of this data as minutely as possible RETINAL CAMERA TRC 50Ex TOPCON MEDICAL SYSTEMS INC 37 West Century Road Paramus New Jersey 07652 U S A Phone 201 261 9450 Fax 201 387 2710 www
19. LOWER selector switch o Check fuses F4 F2 F3 F4 and Fs o Check whether the UPPER LOWER selector switch of control unit is set to UPPER o Check whether the Polaroid Attachment is securely attached on the accessory mount 7 No image on o Has the power saving function been activated and the monitor screen UPPER LOWER selector switch flickering illuminates If so when video relay press the UPPER LOWER selector switch lens adapter attached on the o Check fuses F4 F2 F4 and Fs main body o Check whether the UPPER LOWER selector switch of control unit is set to UPPER 8 Counter does not o Check fuses F4 F2 and Fs work 9 Timer does not o Check fuses F4 F2 and Fs work 10 Picture counter of o Check fuses F4 F2 and Fs 35mm camera does not light 11 Fluorescein filters o Check fuses F4 F2 F4 and Fs do not work 12 Flare can not be o Check whether the angle changing lever is properly positioned eliminated at the 50 coverage o Check whether the illumination diaphragm lever is set to o Check whether the patient s eye and the main body are properly positioned o Is the patient s eye fully dilated 13 Correct focus is o Check if the finder diopter is correctly adjusted hobposslOle o Check whether the diopter compensation knob is properly adjusted for the patient s dioptric power o Check whether the patient s eye is clouded due to cataract or other diseases o Ch
20. TV broadcast cannot be predicted theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength in the location in which the TRC 50EX is used exceeds the applicable RF compliance level above the TRC 50EX should be observed to verify normal operation If abnormal performance is observed additional measures may be necessary such as reorienting or relocating the TRC 50EX Over the frequency range 150 kHz to 80 MHz field strengths should be less than 3 V m 63 Reference Material Recommended separation distance between portable and mobile RF communications equipment and the TRC 50EX The TRC 50EX is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled The customer or the user of the TRC 50EX can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the TRC 50EX as recommended below according to the maximum output power of the communications equipment Raed mannit Separation distance ne to frequency of transmitter output power of transmitter 150kHz to 80MHz 80MHz to 800MHz 800MHz to 2 5GHz For transmitters rated at a maximum output power not listed above the recommended separation distance d in metres m can be estimated using the equation applicable to the frequency of t
21. V 9 4 BARRIER switch Press the switch to set the barrier filter Press again to remove the barrier filter EXCITER switch Press this switch to set the excitation filter Press again to remove the excitation filter TIME switch The timer starts upon pressing once and stops when pressed a second time NORMAL knob Illumination adjustment for normal color photography FLUO knob Illumination adjustment for fluorescein photography STEREO lever Tighten the lever and stereo photography is possible by moving the base right and left ID switch Under the ID mode the switch sets the DATA input mode and fixes the input data numerals cancels the DATA input mode In the counter mode pressing this switch clears the counter to O01 i UPPER LOWER selector switch iagat When UPPER is selected photography by the UPPER set camera is possible When POWER SAVE works push this switch to resume 2 Flash intensity switch Shorena Neria Photography light intensity can be selected in 11 steps NF means no light emission from the xenon flash lamp Under the ID mode the switches work as the numeral keys O to 9 for data input 6 DATA switch To photograph the patient physical record push the switch and let the xenon lamp flash FLICK switch Switches the fixation target between lighting and flicking Flash correction switches MEETELT Increa
22. a input mode is set by pressing the ID switch while the buzzer sounds e When the data input mode is set LEDs of the ID switch and flash intensity switch are turned on 2 Input the patient data When the data input mode is set the flash intensity switch works as 0 to 9 input key Up to twelve digit number is inputted in two stages 6 digits at the upper stage and 6 digits at the lower stage The buzzer sounds each time a figure is inputted If the 13th figure is input the buzzer sounds twice and rejects it When the data plate is inserted 6 digits of the upper stage are displayed and the 7th figure is rejected with two sounds of the buzzer Under the ID mode the counter function is not available o 3 S Y 3 S Onn vA A A A A A A Oa 60808006809008 6008006068006 a O O S S UPPER DATA LOWER O Os Os WR OSs OF GF CE 253678 72093 253678 TOPCON 3 Press the ID switch The buzzer sounds once and the input data is registered e Once the data is registered the LEDs of ID switch and the flash intensity switch go out indicating that the flash intensity changing function is active 45 Operations for Additional Uses 4 Focus the retina and photograph it by pressing the shutter e Ifa data plate is inserted both input data and data plate are photographed 5
23. affect the performance of the instrument Protect the objective lens surface from dust dirt and finger prints at all times in order to obtain good photographs Always use the lens cap mount cap and dust cover when not in use If the objective lens become dirty clean it according to Cleaning the objective lens 2 To clean the main body control unit chinrest and forehead rest use a soft dry cloth The plastic body of this instrument can be cleaned with neutral detergent if necessary to remove dirt Do not use chemicals or solvents because they may invoke deformation or discoloration 3 Turn the power switch OFF when the instrument is not in use 65 Maintenance and Checking Cleaning the objective lens The wiping method is different from the conventional lens When wiping the resistance of the lens is very small and its surface is smooth e How to find dirt on the lens Darken the room set the UPPER LOWER selector switch to LOWER set the normal color photography knob to 7 and look at the objective lens from the front oblique direction Any dirt on the lens can be seen clearly e Removal of dust and dirt If dust and dirt adhere to the objective lens blow them off with a blower Be careful not to let the end of the blower come into contact with the objective lens e In the case of light dirt such as dust tears and saliva 1 Breathe on the lens and carefully wipe it clean with a sheet of dry lens
24. al Uses Photography using blue filter The EXCITER filter can be used as the blue filter by switching the auto mode of the EXCITER filter and BARRIER filter to the manual mode 1 Set the filter switching knob to N 2 Turn the FA Filter Setting switch OFF Manual mode e Manual mode S The pressed switch turns on and the other m Se blinks se Wo e Auto mode ots EXCITER BARRIER TIME The pressed switch turns on and the other O won t Photography method 1 Press the EXCITER switch 2 Adjust illumination for observation by FLUO knob Following the insertion of an EXCITER filter illumination light intensity must be adjusted with the FLUO knob 3 Conduct photography in the same manner as 35mm color photography 43 Operations for Additional Uses Stereo photography Illuminate the pupil of the patient ensuring that the brightness of retinal image is uniform Then carry out photographic operation with the STEREO lever locked Basic procedures are the same as for 35 mm color photography e Avoid insertion of the hands between the power supply unit and CAUTION the base When the base is moved the hands may be pinched or injured e Ensure that nobody s hands are inserted between the main body A CAUTION and the lower arm When the main body is tilted the hands may be pinched or injured e Ensure that nobody s hands are inserted between the
25. and focus the retinal image properly If alignment illumination points are not necessary press the alignment illumination point switch to remove them Then prepare the intravenous injection of fluorescein How to take distinct photographs If too much time is taken in giving the intravenous injection the fluorescein will be diffused in the blood vessels and a good photograph will not be possible 8 Depress the timer switch at the same time as an intravenous injection of fluorescein is given to the patient When the timer starts it will beep every second up to 20 seconds Also the timer switch will blink simultaneously every second ISA until the timer goes OFF He Yi ttl 1234 6 7 Lilie c gt FLU 9 Press the BARRIER switch and the EXCITER So switch excrren sanne If only the EXCITER switch is pressed the excitation filter is set and with each press of the shutter release button the barrier filter is withdrawn and inserted into the optical path After photography when the TIME switch is turned off the BARRIER and EXCITER switches also turn off simultaneously 10 Depress the shutter release button 11 Develop the film How to develop properly Development of the film in the case of fluorescein retinal photography should differ according to conditions and therefore the film should be developed under inspection The following is a guide for developing films unde
26. be mounted Rotated for obtaining a uniform focus when taking peripheral photographs Optional accessories Polaroid attachments different relay lenses can be mounted here Enables traverse and fore and aft fine adjustment of the main body Vertical adjustment of the main body is also possible by this lever 9 STRUCTURE AND NOMENCLATURE 4 Shutter release button Xenon lamp flashes upon depressing the shutter release button 35 mm camera body locking lever 45 Mount for 35 mm camera body Alignment illumination point switch a Lower arm Upper Arm cceccceeceseeeeeeeeeeees Swings up to 30 to the right and left Tilting handle eee Swings up to 15 upward and 10 downward Tilt brake lever esses Turned to make tilt free and locked and for adjusting the brake force Horizontal index window Indicates red when the main body is level tilt 0 Finder 3 Cable holder Data plate insertion slot The data plate on which patient s information is written can be inserted for photographing information together with the retinal image 10 STRUCTURE AND NOMENCLATURE Control Unit S i a Jen Se mor A M j Re ee CoO GS NORMAL ay ace _5 gt Fu PLD EXCITER BARRIER Cop asp O 5D D a O
27. cleaning paper 2 If the lens cleaning paper is dirty replace it with a clean sheet and then repeat the above step 1 3 Repeat steps 1 and 2 until dirt is not seen on the lens e In the case of obstinate dirt FAG solution etc 1 Moisten the lens cleaning paper properly with the reagent ethanol Wipe away dirt with the cleaning paper by rubbing gently 2 If the lens cleaning paper is dirty replace it with a clean sheet and then repeat the above step 1 3 Repeat steps 1 and 2 until dirt is not seen on the lens 4 Finally wipe the lens with a sheet of dry lens cleaning paper without any solutions It is also advisable to wipe the lens with dry lens cleaning paper after breathing on the lens Note 1 Don t clean the lens using any of the following methods The lens will be damaged e Do not wipe the lens while holding it with fingernails Do not wind a sheet of lens cleaning paper around a metal tool or any other hard tool and wipe the lens with the tool Note 2 Use a soft lens cleaning paper without fibers For example BEMCOT Asahikasei etc Note 3 Don t adhere a strong alkaline solution to the lens If such a solution adheres immediately wipe it off the lens If the dirt is too difficult to remove contact your authorized dealer for service Cleaning other lenses finder etc 1 Blow off dust or other impurities with a hand blower 2 Remove dirt with a lens cleaner Refer to Accessor
28. crew from the cable holder and refasten it as required by the cables used Cable holder Screw 24 Assembly PREPARATIONS FOR USE Power saving function This system incorporates a power saving function 1 2 The power saving function of this system automatically shuts off the power supply for the observation lamp I m n when 30 minutes have passed without photographing However in the case of fluorescein photography the time is extended to one hour When the power saving function is va activated SLEEP is indicated on the data oe display unit and the display of the UPPER LOWER selector switch blinks To return to the normal status press the UPPER LOWER selector switch 25 Preparations for Use BASIC OPERATION CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION 26 Basic Operation e Ensure that the illumination lamp is not brighter than necessary Excessive intensity may result in patient discomfort e Avoid insertion of the hands between the power supply unit and the base When the base is moved the hands may be pinched or injured e Ensure that nobody s hands are inserted between the main body and the lower arm When the main body is tilted the hands may be pinched or injured e Ensure that nobody s hands are inserted between the chinrest support and the lower or upper arm This warning is mostly directed towards the pat
29. d close to the icon This icon indicates Mandatory Action Specific content is expressed with words or an icon either inserted in the icon itself or located close to the icon SAFETY CAUTIONS This instruction manual specifies safety cautions necessary to prevent accidents Always observe these precautions and use the instrument correctly A WARNING Prevention item Do not disassemble remodel or repair this instrument Such actions may cause electric shock If repairing is necessary be sure to contact your authorized dealer and ask for repair services Do not remove covers from the bottom power supply unit and main body Such actions may result in electric shock Be careful not to drop the liquid such as mydriatic or fluorescein onto the main body Infiltration of water may lead to a fire or electric shock Disconnect the power plug from the outlet before removing a fuse for replacing Removing the fuse cover without disconnecting the power plug may result in electric shock Be sure to use a properly rated fuse provided in the accessory box Use of other than a properly rated fuse may lead to a fire at the time of a malfunction Disconnect the power plug from the outlet before uncovering the lamphouse cover Electric shock may occur if you uncover the lamp house without disconnecting the power plug A CAUTION Prevention Item e Ensure that the illumination lamp i
30. dilated pupil sit down in front of the instrument e Adjust the height of the instrument table and the chinrest in order to rest the chin properly on the chinrest and the forehead against the head strap e The height of the chinrest can be adjusted by rotating the chinrest adjusting knob e Ensure that the patient s eye is approximately in alignment with the high The high level marker level marker e The height of Instrument Table can be F TRC50 adjusted with the AIT up down switch available on the Instrument Table p 3 Guide the patient s eye so that the target part of the fundus can be photographed Guiding the patient s eye Guide the patient s eye as appropriate by moving the external fixation target If the eye subject to the examination is hard to focus on the target due to astigmatism press the FLICK switch to flash the external fixation target for easier focusing TRC 50Ex 33 Basic Operation Flash intensity setting This instrument enables two types of photography that can be selected by the Exposure setting switch Set this switch to 1 for manual mode or to 2 for program mode e Manual mode This is the mode where a desired flash intensity can be set by means of the flash intensity switch e Program mode This is the mode where a standard flash intensity necessary for each photographing purpose is automatically set Refer to the exposure guide in the tabl
31. e below Flash intensity can be corrected by means of the flash correction switch EXPOSURE GUIDE Type of Photography 35mm Color Polaroid Color Fluorescein Red Free Control Setting Flash Intensity Switch Upper Lower Selector Lower Upper Lower Upper For 1 2 type color TV camera Flash Intensity Switch For 2 3 type black and white high resolution camera Flash Intensity Switch 18 For APS type digital camera The indicated flash intensity setting is for the average pigmented retinal area The green filter made by SPECTROTECH is necessary for Red Free photography with 2 3 type black and white high resolution camera The green filter is an option in some areas Flash intensity setting for program mode Set your desirable flash intensity 2 Press the flash correction switches A V at the same time for 1 second or longer The buzzer beeps 34 Basic Operation 35mm color photography Z CAUTION CAUTION CAUTION N CAUTION CAUTION CAUTION NOTICE e Ensure that the illumination lamp is not brighter than necessary Excessive intensity may result in patient dicomfort e Ensure that light brighter than necessary is not used for photography Excessive intensity may result in patient dicomfort e Avoid insertion of the hands between the power supply unit and the base When the base is moved the hands may be pinched or injured e Ensure that nobody s hands are inser
32. e customer or the user of the TRC 50EX should assure that it is used in such an environment Immunity test parent Compliance Electromagnetic environment guidance test level level Portable and mobile RF communications equipment should be used no closer to any part of the TRC 50EX including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended separation distance d 1 2 P Conducted RF IEC 61000 4 6 150kHz to 80MHz 3 V d 1 2 VP 80MHz to 800MHz Radiated RF IEC 61000 4 3 80MHz to 2 5GHz 3 V m d 2 3VP 800MHz to 2 5GHz where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer and d is the recommended separation distance in meters m Field strengths from fixed RF transmitters as determined by an electromagnetic site survey should be less than the compliance level in each frequency range Interference may occur in the vicinity of equipment marked with the following symbol Co NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people Field strengths from fixed transmitters such as base stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and
33. eck whether the patient s eye is filled with tear o Check whether the patient s eye and the main body are properly positioned 48 Trouble Shooting 14 Operator cannot see the patient s eye 15 Photograph of the retinal peripheries 17 Photograph is influenced by overall flare 18 Vague white dots are seen through the finder and also appear on the photograph by Y 19 Along with a beep ing sound Err is intermittently displayed on the data display unit o Check whether the illumination lamp is on or not o Check whether the cap of the objective lens is on or not o Check whether both BARRIER and EXCITER switches are turned ON o Check whether the angle changing lever is positioned between settings or not o Check whether the diopter compensation knob is properly positioned o Check whether the distance between the patient s eye and the main body is longer than proper working distance o Check whether the pupil of the patient s eye is dilated sufficiently o Check whether the distance between the patients eye and objective lens is shorter than the proper working distance o Check whether the illumination diaphragm lever is set on set for the 50 angle of coverage o Check whether the light is too intense for photography when o Check whether there are tears on the patient s eye and on the objective lens surface If so see Cleaning the objective lens o Re
34. en a Polaroid attachment is installed Depending on the optional accessories installed this balance may be incorrect In such cases adjust the balance as per the instructions given in Tilting Power Balance Adjustment 6 Checking the illumination lamp Connect the power cord and turn on the power switch Check for illumination light by putting your hands before the objective lens 7 Checking the xenon lamp Check if the xenon lamp illuminates by pressing the shutter release button with the UPPER LOWER selector switch set to LOWER 8 When connecting to IMAGE net Set the DIP switch of CPU to 1 when using VS 150 and to 3 when using VS 120 CPU VAEN The interface cable for the IMAGE net System is available as an optional accessory For additional details on the IMAGE net System contact your authorized TOPCON dealer Tilt balance adjustment The tilt has been adjusted based on the weight including Polaroid attachment Ifa video set is installed or a Polaroid attachment is dismounted the weight changes unbalancing the tilt In such cases the tilt must be adjusted by the following method e When setting the tilting unit stopper ensure that the screwdriver is inserted completely into the hole CAUTION in the tilting unit If incompletely inserted the screwdriver may
35. f the patient s eye with the control lever positioned straight Then adjust the control lever to the right or left and rotate it to move the main body up or down until the light beam becomes coaxial with the patient s pupil when alignment illumination points appear on both sides in the finder Make these points the smallest If the patient moves the eyes or when photographing the periphery sometimes the alignment illumination points disappear Focusing the retinal image How to sharply focus the retinal image After confirming that the finder field of view is in focus turn the focusing knob so that not only the retinal image but also the cross hairs are observed sharply and distinctly in the field at the same time How to photograph retinal peripheries Move the external fixation target and have the patient fixate with the eye that is not being photographed It will be possible to photograph the peripheries and other sections of the retina by tilting and or swinging the main body Setting the angle of coverage Pay attention to the relationship between the angles of coverage and flare or the focus If flare is eliminated at the 50 angle of coverage no flare occurs at 35 or 20 Furthermore refocusing is unnecessary at 50 if the retinal image has already been properly focused at 35 or 20 Depress the shutter release button Set the tilt brake lever to a desired position before using the instrument Flu
36. fer to the error code list 49 Trouble Shooting Error code list In the event of Err means an error number being intermittently displayed on the data display unit with a beeping sound due to an operation error or a malfunction of the instrument correct the error as instructed in the table below Ce Memory data CPU substrate is replaced or Press the ID switch abnormal data stored in NV RAM ki Interlock Lamphouse cover is open Close the lamphouse cover firmly Light emitting A fault in light emitting system Turn off the power system id Charging Overcharging or charging voltage Turn off the power switch voltage lower than required 5 Exciter filter Exciter filter is malfunctioning Press the EXCITER switch EH Barrier filter Barrier filter is malfunctioning Press the EXCITER switch Filter switching Filter switching knob is not clicked Readjust it until it clicks knob 35mm camera Film loading mulfunction Place the film properly loading error KA Video relay Video relay mirror or filter is Press the EXCITER switch malfunctioning Contact with the agency of TOPCON if the problem cannot be solved with Corrective action or if errors occur frequently The beeping sound is continuous when the error No 1 2 or 3 is displayed 50 Trouble Shooting REFERENCE MATERIAL Optional accessories Optional accessories increase the range of photography possible with the models TRC 50EX e Ens
37. he transmitter where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer NOTE 1 At 80 MHz and 800 MHz the separation distance for the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people 64 Reference Material MAINTENANCE AND CHECKING e Disconnect the power plug from the outlet before removing a fuse for replacing A WARNING Removing the fuse cover without disconnecting the power plug may result in electric shock e Be sure to use a properly rated fuse provided in the accessory box A WARNING Use of other than a properly rated fuse may lead to a fire at the time of a malfunction e Disconnect the power plug from the outlet before uncovering the lamphouse cover A WARNING Electric shock may occur if you uncover the lamp house without disconnecting the power plug Do not install the instrument on a slope or in a unstable place Z CAUTION The instrument may become unstable fall or harm people nearby e Before changing the lamp turn off the power switch and A CAUTION disconnect the power plug from the outlet Electric shock may occur e Do not replace the lamp immediately after it is burnt out A CAUTION The lamp unit will still be extremely hot You may get burnt if you touch it Daily care 1 Dust can
38. hers except PA 50EX OR 1 and Video Relay Lens Adapter to the UPPER mount 51 Reference Material Accessory mounting dismounting methods for Polaroid attachment A 1X relay lens adapter or a video relay lens can also be installed by the same method 1 2 3 4 Lock the base fixing lever and the tilt brake lever Remove the accessory mount cap from the main body Uncover the Polaroid attachment and install it onto the optical head Stand next to the optical head and connect the Polaroid attachment by pushing it straight down with both hands Lock the attachment into place by turning the accessory locking lever Detaching method 1 2 3 4 5 52 Lock the base fixing lever and the tilt brake lever Set the accessory locking lever to FREE Detach the Polaroid attachment from the main body To dismount the Polaroid attachment stand next to the optical head and pull the Polaroid attachment straight up with both hands Attach the accessory mount cap to the main body Put the accessory mount cap in place on the main body Reference Material Accessory lens cleaning methods Dust or other impurities adhering to the lens may be reflected in the retinal images photographed In the presence of such impurities the lens must be cleaned according to the methods specified below Side cover Mount Screw Mount positioning pin P Cleaning the outer side of the le
39. ient When the main body is moved the hands may be nipped or injured Ensure that the 35mm camera is installed firmly by fastening the 35mm camera body locking lever If installed loose the camera may fall off resulting in severe damage to the unit and possible bodily injury e Pay attention to the clearance between the objective lens and the patient When the main body is moved the objective lens may bump against the patient s eye or nose inflicting a minor injury Preparing a 35 mm camera 1 2 3 4 Mount 35mm camera onto the main body Align the slot of the camera mount with the marking point of the mount for the 35mm camera body Next mount the 35mm camera pressing it against the main body Turn the 35mm camera body locking lever in the counter clockwise direction and until it firmly locks the body into place To detach the camera body hold the 35mm camera body in the right hand and turn the locking lever clockwise to the position of the stopper with the left hand Then pull out the 35mm camera body Don t install others except MT 10 to the LOWER mount Turn ON the power switch of the power supply unit Press UPPER LOWER selector switch to LOWER on the control unit This operation is unnecessary if there are no accessories installed Pull the back cover locking lever upward 35mm camera back cover will be opened DATA Positioning pin LOWER
40. in electric shock WARNING Disconnect the power plug from the outlet before uncovering the lamphouse cover Electric shock may occur if you uncover the lamphouse without disconnecting the power plug CAUTION Do not replace the lamp immediately after it burns out The lump unit is still extremely hot You may get burnt if you touch it WARNING Disconnect the power plug from the outlet before removing a fuse for replacing Removing the fuse cover without disconnecting the power plug may result in electric shock CAUTION To avoid electrical shock do not open the instrument Refer all servicing to only qualified personnel CONTENTS INTRODUCTION 1 Preparing the patient 32 DISPLAY FOR SAFE USE 2 Flash intensity setting 34 SAFETY CAUTIONS 3 35mm color photography 35 USAGE AND MAINTENANCE 6 Fluorescein photography 39 VORP Cader 6 OPERATIONS FOR ADDITIONAL WARNING INDICA TONS ONE Photography with optional filters 42 POSITIONS 7 Photography using blue filter 43 STRUCTURE AND NOMENCLATURE Stereo photography 44 Main Body 9 Recording patient data by ID mode 45 Control Unit 11 TROUBLE SHOOTIN 35mm Camera 13 os SHOSTING 14 Countermeasures to be taken in Powar SAPPY UI case of trouble 47 Accessories 15 50 Error code list ASSEMBLY REFERENCE MATERIAL Components 16 Optional accessories 51 Assembling procedure 17 Specifications 60 heckling atictiasscmbly 19 Electromagnetic com
41. lamp is tightly screwed in o Check if the light bulb has burnt out o Check if the filter switching knob is F or Fo o Has the power saving function been activated and the UPPER LOWER selector switch flickering illuminates If so press the UPPER LOWER selector switch o Check fuses F F2 F3 F4 and Fs o Is the NF switch of the control unit depressed o Is the xenon lamp firmly in place o Check if the xenon lamp has burnt out o Check if the filter switching knob is F4 or Fo o Check fuses F4 F2 and Fs o Has the power saving function been activated and the UPPER LOWER selector switch flickering illuminates If so press the UPPER LOWER selector switch o Check fuses F4 F2 F3 F4 and Fs o Check whether the UPPER LOWER selector switch of control unit is set to LOWER o Check whether the 35mm camera is securely attached o Has the power saving function been activated and the UPPER LOWER selector switch flickering illuminates If so press the UPPER LOWER selector switch o Check fuses F4 Fo Fa F4 and Fs o Check whether the UPPER LOWER selector switch of control unit is set to UPPER o Check whether the 1X relay lens is attached firmly o Check whether the camera is fixed properly to the 1X relay lens 47 Trouble Shooting 6 Polaroid Attachment o Has the power saving function been activated and the does not work UPPER LOWER selector switch flickering illuminates If so press the UPPER
42. n 8 Tighten the safety stopper screw and install the cover 22 Assembly Tilt Brake Lever adjustment The attachment of the tilt brake lever allows for simple locking and releasing of the tilt mechanism How to attach tilt brake lever 1 Adjust the tilt balance according to accessories mounted e Refer to Checking tilt balance 2 Turn the tilt brake knob to the locking position clockwise ss 3 Attach the tilt brake lever pointing toward the LOCK position Ga 4 Set the tilt brake lever to the FREE position and check the tilt operation tension Set the LEVER to the LOCK position and check the locking capability The position of the tilt brake lever will provide a range of tension for optimum performance If the tilt capability is too loose readjust the tilt brake lever on the knob to achieve the proper range of tension Tilt brake lever 5 When the proper range of tension is achieved securely tighten set screws of brake lever When readjusting the tilt balance due to addition or removal of accessories it will be necessary to readjust and re position the TILT BALANCE LEVER 23 Assembly Cable holder adjustment In order to use an optional accessory video relay lens the cable holder can be adjusted according to the number and thickness of cables used for the video camera 1 Remove the tilt cover e Refer to Tilt balance adjustment 2 Loosen the s
43. ns 1 Blow off dust or other impurities with a hand blower 2 Remove dirt with a lens cleaner a Prepare a mixed solution at the ratio of 2 ethyl alcohol to 8 ether b Moisten a clean gauze already washed and dried with the mixed solution By using this gauze gently wipe the lens in a circular direction from its center to outside c If dirt still remains wipe the lens repeatedly If you wipe or rub the dirty lens violently its surface will be damaged During cleaning be careful not to damage the mask Cleaning the inner part of the lens 1 Loosen the machine screws three from the mount and pull the mount straight out in the arrowhead direction In the case of a video relay lens adapter one of the three machine screws is located inside the side cover 2 Blow off dust or other impurities or remove it with a lens cleaner When cleaning a video relay lens the top cover glass must be cleaned 3 Reinstall the mount Insert the mount straight so that the mount positioning pin aligns with the slot Tighten the machine screws 53 Reference Material Polaroid Attachment PA 50EX for color photography Nomenclature Mount Contact Film door latch Cap Picture counter Film eject button 1 Set the UPPER LOWER selector switch to UPPER I e If no film is loaded the warning buzzer sounds until cover paper is removed od f 2 Load the Polaroid
44. nt s eye 0 setting setting setting A setting e Working distance adjustment e Filters 10 to 6 dpt 5 to 23 dpt 23 to 9 dpt 22 to 41 dpt Ocular anterior photography Two luminescent spots are used for guidance Fluorescein photography by black and white film Spectrotech type interference Red free photography filters Green filter Filter replacement is possible e Illumination diaphragm e Data photography Three step changing system Hand written data exposure number or time can be selected When setting the ID mode choose either 12 digit data hand written data or time e Finder e Base movements Coarse Fine e Base vertical travel e Base swing e Tilting angle e Stereo photography e Chinrest travel e Light source Diopter correction range 6D to 5D 80mm longitudinally 110mm laterally 12mm cross slide adjustment 30 mm 15mm up 15mm down Up to 30 15 up 10 down 1mm 75mm For observation 12V 100W halogen lamp For photography Max 280V 300WS xenon lamp adjustable in 21 steps e Fixation target External fixation target Can be changed flickering illuminates and continuous illumination e Power supply AC 120V AC 220V AC 230V and AC 240V adjustable with voltage selector 50 60Hz e Power consumption e Size Main body e Weight Main body 60 Reference Material MAX 2000VA NORMAL 150VA 340 W x 505 D x 589 H mm 37kg
45. of the internal fixation target mount on the main body of retinal camera Cover Take off the protective cap align the fixation target with pin of the internal fixation target mount and insert straightly into the main body In the above case great care must be exercised because the fixation point is slender and easily bent For attachment the fixation point should be pulled out as fully as possible and the mount should be screwed in slowly and carefully with the fixation point maintained vertically And until the locking cap is attached the fixation point should not be moved Tighten the locking cap with the fixation point while checking movement through the finder The knob moves in every direction Up and down movement is used for obtaining proper focus while right and left and back and forth movements are used to move the fixation point in the finder Movement should be done slowly in order not to confuse the patient when guiding the patient s eye e Along with the retinal image the fixation point is also recorded 59 Reference Material Specifications e Angle of coverage e Working distance e Area photographed e Photographic magnifications e Total observation magnification at 0 dpt 50 35 20 Selectable 39mm 26mme x 22mm With 35mm camera at 0 dpt 1 84X at 50 2 45X at 35 and 4 28X at 20 10X at 50 13 3X at 35 and 23 3X at 20 e Diopter compensation range for patie
46. orescein photography Fundamentally make the same adjustments as noted for color retinal photography and focus the retinal image properly The only difference is the insertion of the fluorescein filters and intravenous injection of fluorescein to the patient WARNING CAUTION CAUTION CAUTION CAUTION CAUTION CAUTION NOTICE e Be careful not to drop the liquid such as mydriatic or fluorescein onto the main body Infiltration of water may lead to a fire or electric shock e Ensure that the illumination lamp is not brighter than necessary Excessive intensity may result patient discomfort Ensure that light brighter than necessary is not used for photography Excessive intensity result in patient discomfort e Avoid insertion of the hands between the power supply unit and the base When the base is moved the hands may be pinched or injured e Ensure that nobody s hands are inserted between the main body and the lower arm When the main body is tilted the hands may be pinched or injured e Ensure that nobody s hands are inserted between the chinrest support and the lower or upper arm This warning is mostly directed towards the patient When the main body is moved the hands may be pinched or injured e Pay attention to the clearance between the objective lens and the patient When the main body is moved the objective lens may bump against the patient s eye or nose inflicting a minor
47. patibility 61 Tilt balance adjustment 21 MAINTENANCE AND CHECKING Tilt Brake Lever adjustment 23 Daily care 65 Cable holder adjustment 24 Cleaning the objective lens 66 PREPARATIONS FOR USE Cleaning other lenses finder etc 66 Power saving function 25 Ghangingthe lamp 67 BASIC OPERATION Changing the fuses 68 Preparing a 35mm camera 27 Schedule of expendables and Precautions when handling a 35mm spare parts 69 camera 30 Preparations for photography 31 8 STRUCTURE AND NOMENCLATURE Main Body Angle changing lever 2 Diopter compensation knob 3 Filter switching knob Illumination diaphragm lever 6 Focusing knob Internal fixation target mount Astigmatic correction knob Accessories mount 00066 9 Accessory locking lever Lamphouse cover Swing arm locking lever 2 Control lever cccccccceeeeeeees 50 35 or 20 can be selected as an angle of coverage Used to compensate the dioptric power of strong myopia and hyperopia in the patient and also used for ocular anterior photography Changed for different kinds of photography When dilation is sufficient set on N When dilation is not sufficient set the angle to 35 or 20 and set on In the case of fluorescein angiography and rough alignment set on e The optional internal fixation target can
48. placing lever in the arrowhead direction until the film exit slot opens and push it further to allow part of film pack to come out Then replace the pack with a new one e Film can be unloaded by pulling the film pullout tab Film pullout tab e Specifications o Angle of coverage o Area photographed on film o Photographic magnifications at 0 dpt o Recommended film o Dimensions o Weight 50 35 20 74mm x 62mm 5 3X at 50 7 0X at 35 and 12 2X at 20 Polaroid SX 70 ISO 150 157 W x 134 D x 152 H mm 1 7kg Type 779 ISO 640 55 Reference Material 1X Relay Lens Adapter OR 1 Nomenclature Camera locking lever 35mm camera mount Mount ap Mount cap Contact Photography method 1 Set the UPPER LOWER selector switch of the control unit to UPPER 2 Photography method is same as for normal color photography by 35mm LOWER camera e Specifications o Angle of coverage 50 35 and 20 o Area photographed on film 26mm x 22mm o Photographic magnifications at 0 dpt 1 8X at 50 2 5X at 35 and 4 3X at 20 o Data can be photographed simultaneously o Dimensions 94 W x 137 D x 141 H mm o Weight 1 5kg 56 Reference Material Video Relay Lens Adapter e Precautions and suggestions for use This Instruction Manual commonly deals with four types of video relay lenses So be sure about the video camera used Refer to The assembly me
49. r average conditions a Film Kodak TRI X PAN ISO 400 b Developer D76 c Development Tank development with developer temperature 22 C and 13 to 15 minutes of development d Fixing time 10 to 20 minutes e Washing time More than 30 minutes 41 Basic Operation OPERATIONS FOR ADDITIONAL USES Photography with optional filters Prior to photographical operation install a desired filter into the F1 or F2 removable filter frame e Disconnect the power plug from the outlet before uncovering the lamphouse cover Electric shock may occur if you uncover the lamp house without disconnecting the power plug WARNING e Do not replace any filters just after the lamp is turned CAUTION The lamp unit will still be extremely hot You may get burnt if you touch it Connecting the exclusive cable 1 Turn the power switch OFF and remove the power cord from the power outlet 2 Next take off the lamphouse cover Lamphouse cover can be detached by pushing it up from the bottom and pulling it forward 3 Remove the filter frame and take out the shield plate that is mounted inside the frame 4 Mount a filter you like to the frame and then insert it into the filter turret 5 Put the lamphouse cover in place Photography method 1 Set the filter switching knob on F1 or F2 2 Take photograph by the same procedure of regular 35mm color photography 42 Operations for Addition
50. r fingers pinched 2 Set the upper arm fixing knob to the dot mark position fe 3 Insert the upper arm over the shaft protruding from the lower arm Fasten the screw at the tip of the upper arm using the attached hexagonal wrench 4 From the punched portion provided on side face of the power supply unit take out the connector socket 5 Connect the connector socket to the connector plug of the main body 6 Also connect another connector plug to the connector socket provided on the substrate 7 Place the cord back into position without bending it and fit the connector cover onto the side of the power supply unit Fix the connector cover with screws 8 Mount the external fixation target 9 Install a 35 mm camera Refer to Preparations for Photography in the Instruction Manual 18 Assembly Checking after assembly 1 2 3 e Disconnect the power plug from the outlet AN CAUTION before measuring the power frequency Electric shocks may otherwise occur Checking the primary voltage Check that input voltage is within the range of 10 of the rated voltage For higher input voltage a constant voltage power supply commercial product must be used The system may operate erroneously if using the instrument out of the above range Checking the power supply outlet 15A or higher electric current capacity is required Make sure
51. r may come off causing the main body to fall off and may result in bodily injuries Disconnect the power plug from the outlet before measuring the power frequency Electric shock may otherwise occur Ensure that the 35mm camera is installed firmly by fastening the 35mm camera body locking lever If installed loose the camera may fall off resulting in severe damage to the unit and possible bodily injury When installing accessories secure them firmly by fastening the accessory locking lever If installed loose the accessories may fall off leading to possible bodily injury USAGE AND MAINTENANCE Purpose This retinal camera is a precision elecrtrical device for medical use that must be used under the instructions of a doctor User maintenance Unless specified in this manual the maintenance work shall be conducted only by a trained service technician to ensure the safety and performance of the instrument The following maintenance tasks however may be executed by the customer Regarding the maintenance method review the applicable text in this manual Fuse replacement The primary and secondary fuses for the main body may be replaced by a non trained service technician For details refer to the applicable text in this manual Lamp replacing Illumination lamp and xenon lamp may be replaced by a non trained technician For details refer to the applicable text in this manual Cleaning of the objective lens
52. r this instrument Such actions may cause electric shock If repairing is necessary be sure to contact your authorized dealer and ask for repair services Do not remove covers from the bottom power supply unit and main body Such actions may result in electric shock Do not install the instrument on a slope or in a unstable place The instrument may become unstable fall or harm people nearby Do not hold the head strap or chinrest support when trans porting the instrument Such action may lead to dropping the instrument and may cause bodily injuries Two persons must use the handholds at the bottom when transporting the instrument Single handed transportation is very dangerous possibly caus ing the one who is carrying to hurt his back or become injured if they drop the instrument Holding other than the bottom may also pinch the hands and result in dropping the instrument Prior to transportation suppress camera motions by turning the base fixing lever and the swing arm locking lever Transportation without setting these levers may unbalance the instrument thereby resulting in dropping the instrument Prior to transportation suppress vertical motions by locking the tilt brake lever Transportation without setting this lever may unbalance the instrument thereby resulting in dropping the instrument 17 Assembly 1 Remove the power supply unit from its storage box and place on a table e Be careful not to have you
53. s not brighter than necessary Excessive intensity may result in patient discomfort Ensure that light brighter than necessary is not used for photography Excessive intensity may result in patient discomfort Do not install the instrument on a slope or in a unstable place The instrument may become unstable fall or harm people nearby Avoid insertion of the hands between the power supply unit and the base When the base is moved the hands may be pinched or injured Ensure that nobody s hands are inserted between the main body and the lower arm When the main body is tilted the hands may be pinched or injured Ensure that nobody s hands are inserted between the chinrest support and the lower or upper arm This warning is mostly directed towards the patient When the main body is moved the hands may be pinched or injured Do not hold the head strap or chinrest support when transporting the instrument Such action may lead to dropping the instrument and may cause bodily injuries Do not replace the lamp immediately after it burns out The lamp unit will still be extremely hot You may get burnt if you touch it Before changing the lamp turn off the power switch and disconnect the power plug from the outlet Electric shock may occur Do not replace any filters just after the lamp is turned off The lamp unit will still be extremely hot You may get burnt if you touch it _Icons_ a z A
54. ses or decreases the preset light intensity Press the A button to increase it or the V button to decrease it For example when the preset light quantity is 36WS one press of the A button changes the setting to a value between 36WS and 50WS and illuminates both switches 36 and 50 Base fixing lever ode this lever when photographing 11 STRUCTURE AND NOMENCLATURE DFA Filter Setting switch With this switch set to ON fluorescein filter is interlocked at the time of photographical operation Interlocking can be canceled by turning it off Photographing is possible using a blue filter Exposure setting switch Set this switch to 1 for manual mode or to 2 for program mode Data display unit Displays data recorded on film counter timer I D angle of coverage and left or right eye or error Dip switches No Changes the fluorescein filter interlock mode 7 Changes the frequenc Changes the video relay lens mode Data shown on the data display unit e Counter mode The displayed data is restored to 001 when the ID switch is pressed Counter a oa Right or left eye Angle of coverage Press the TIME switch once and the timer starts in the upper column Timer MHH A oa Right or left eye PRSLA of coverage ID mode Refer to Recording Patient Data by ID Mode 12 STRUCTURE AND NOMENCLATURE 35 mm
55. t 95 dip in U for 0 5 cycle 40 U 60 dip in U for 5 cycles 70 U 30 dip in U for 25 cycles lt 5 U gt 95 dip in U for 5 sec 6 kV contact 8 kV air 2 kV for power supply lines 1 kV for input output lines 1 kV differential mode 2 kV common mode lt 5 U gt 95 dip in U for 0 5 cycle 40 U 60 dip in U for 5 cycles 70 U 30 dip in U for 25 cycles lt 5 U gt 95 dip in U for 5 sec Floors should be wood concrete or ceramic tile If floors are covered with synthetic material the relative humidity should be at least 30 Mains power quality should be that of a typical commercial or hospital environment Mains power quality should be that of a typical commercial or hospital environment Mains power quality should be that of a typical commercial or hospital environment If the user or the TRC 50EX requires continued operation during power mains interruptions it is recommended that the TRC 50EX be powered from an uninterruptible power supply or battery Power frequency magnetic fields should be at levels characteristic of a typical location in a typical commercial or hospital environment NOTE U is the a c mains voltage prior to application of the test level 62 Reference Material Guidance and manufacturer s declaration electromagnetic immunity The TRC 50EX is intended for use in the electromagnetic environment specified below Th
56. ted between the main body and the lower arm When the main body is tilted the hands may be pinched or injured e Ensure that nobody s hands are inserted between the chinrest support and the lower or upper arm This warning is mostly directed towards the patient When the main body is moved the hands may be pinched or injured e Pay attention to the clearance between the objective lens and the patient When the main body is moved the objective lens may bump against the patient s eye or nose inflicting a minor injury e When the instrument is connected to a PC Don t perform photography with a 35mm camera while the power of the PC is turned OFF If you wish to take photographs with a 35mm camera while the power of the PC is OFF remove the cable from the CONTROL terminal Otherwise your photographs may not come out correctly 35 Basic Operation 1 Press the UPPER LOWER selector switch of the control unit to set on LOWER If no accessories are installed on the accessories mount this operation is unnecessary DATA LOWER For manual exposure set a flash intensity 2 Set the filter switching knob to N 3 Make preparations for recording patient data How to photograph the patient s data on the data plate e When using the data plate Write down the required information on the provided data plate and insert it in the data plate insertion slot It will be photographed together
57. the TRC 50EX should assure that it is used in such an environment Emissions test Compliance Electromagnetic environment guidance The TRC 50EX uses RF energy only for its internal RF emissions function Therefore its RF emissions are very low and CISPR 11 are not likely to cause any interference in nearby electronic equipment RF emissions The TRC 50EX is suitable for use in all establishments other than domestic and those directly IEC61000 3 2 connected to the public low voltage power supply Voltage fluctuations network that supplies buildings used for domestic flicker emissions Complies purposes IEC61000 3 3 61 Reference Material Guidance and manufacturer s declaration electromagnetic immunity The TRC 50EX is intended for use in the electromagnetic environment specified below The customer or the user of the TRC 50EX should assure that it is used in such an environment IEC 60601 Compliance Electromagnetic environment Immunity test test level level guidance Electrostatic discharge ESD IEC 61000 4 2 Electrical fast transient burst IEC 61000 4 4 Surge IEC 61000 4 5 Voltage dips short interruptions and voltage variations on power supply input lines IEC 61000 4 11 Power frequency 50 60 Hz magnetic field IEC 61000 4 8 6 kV contact 8 kV air 2 kV for power supply lines 1 kV for input output lines 1 kV differential mode 2 kV common mode lt 5 U g
58. thod VIDEO RELAY LENS ACCESSORY FOR TOPCON RETINAL CAMERAS TRC 50EX TRC 50AX TRC 501X TRC 50LX for details Nomenclature Cap Contact Q Video camera mount How to attach the video camera See the Instruction Manual for video camera e Cable connection Insert cable into the cable holder on the main body Do not pull up the cable holder e When connecting cable assure a sufficient length so that the operation of retinal camera is not limited e Cable holder is adjustable in accordance with the number or thickness of cable Adjusting method is described under Assembling procedure e Adjusting method Remove the tilting cover 1 lower screw and loosen the screw of the cable holder for adjusting 57 Reference Material How to use the video relay lens adapter 1 Set the UPPER LOWER selector switch to UPPER 2 Adjust the focus and optical axis by looking through the finder If the instrument is in the manual exposure mode set a flash intensity as per the exposure guide 3 Press the shutter release button and retinal image is recorded by the image recorder 58 Reference Material Internal Fixation Target Nomenclature e How to attach the Internal Fixation Target 1 2 3 Operating procedures 1 Move the knob and guide the patient s eye Fixation point Knob Protective cap AP Locking cap Fixation target Take off the cover
59. ure that the 35mm camera is installed firmly by fastening the 35mm camera body locking lever A CAUTION If installed loose the camera may fall off resulting in severe damage to the unit and possible bodily injuries e When installing accessories secure them firmly by fastening the accessory locking lever A CAUTION If installed loose the accessories may fall off leading to possible bodily injuries Polaroid Attachment PA 50EX for color photography For providing instant color photographs 1X Relay Lens Adapter OR 1 Used when mounting the UPPER 35mm camera With this adapter two types of film can be used which are changed by switching the selector lt Example gt e 35mm LOWER camera for fluorescein photograph by black and white film 35mm UPPER camera for normal color photograph by color film Video Relay Lens Adapter Used when a video camera is mounted Refer to The assembly method VIDEO RELAY LENS ACCESSORY FOR TOPCON RETINAL CAMERAS TRC 50EX TRC 50AX TRC 501X TRC 50LX for details Internal Fixation Target This device is essential for examining photo coagulation and amblyopia The device can guide the eye to the points which is impossible with the external fixation target Note When mounting dismounting an accessory lock the tilting unit If not the mirror body will rise when the accessory is removed or when mounting the mirror body moves independently and makes the operation difficult Don t install ot
60. used photos Finder field of view J C Out of focus 3 Set the filter switching knob so as to meet the particular photographing purpose Set the filter switching knob to N N is suitable for normal photography while G is used when contrast of blood vessels is to be emphasized For F1 F2 settings see Photography with optional filters 4 Set the angle changing lever to the required angle of coverage Check that the angle changing lever is clicked If this lever is not clicked retinal images may be distorted and the picture itself may be blurred TA In focus E TOPCON TRC 50Ex LTE pu 31 Basic Operation Preparing the patient 1 2 32 Basic Operation After the patient s pupil is adequately dilated by applying mydriatic drops lower the room lights Confirm whether the patient s pupil are dilated sufficiently If dilation is inadequate When the pupils are only dilated between i 4 5mm to 5mm set the illumination hh e diaphragm lever to the position Also NS photograph at an angle of coverage of 35 au or 20 When photographed at the 50 angle it may not be possible to eliminate flare completely Do not set the illumination diaphragm lever to the dilation of the pupil is inadequate position other than when Seat the patient properly Patient should be seated as follows e Have the patient with completely
61. y lens cleaning methods for the lens cleaner 66 Maintenance and Checking Changing the lamp e Do not touch a lamp with bare fingers because the surface of the lamp will become dirty with finger prints etc and these stains will lead to cloudiness of the lamp e The lamp is fragile to shock therefore handle with extreme care Changing the lamp for observation 1 Turn the power switch OFF and disconnect the power cord from the outlet 2 Detach the lamphouse cover by pushing it up from the bottom and pulling it forward 3 Unscrew two fixing screws of the illumination lamp and pull out the illumination lamp unit Fixing screws of the illumination lamp 4 Insert the new illumination lamp straight in and tighten securely with the fixing screws of the illumination lamp 5 Reattach the lamphouse cover 67 Maintenance and Checking Changing the xenon lamp 1 After switching off the power switch and disconnecting the power cord from the outlet wait about 5 minutes for electric discharge and take off the lamphouse cover 2 Take off the xenon lamp fixing screw 3 Slowly pull the xenon lamp straight out Xenon lamp fixing screw 4 Insert the new xenon lamp straight in the receptacle it touches the end 5 Tighten xenon lamp fixing screws fully in the clockwise direction with coin or screwdriver 6 Attach the lamphouse cover Changing the fuses 1 Turn the power switch O

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