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Kowa nonmyd alpha-DIII Instruction Manual

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FUNDUS CAMERA
INSTRUCTION MANUAL
US
KOWA nonmyd a -D III

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Summary of Contents for Kowa nonmyd alpha-DIII

  • Page 1 FUNDUS CAMERA INSTRUCTION MANUAL KOWA nonmyd a -D III...

  • Page 3: Operational Considerations For Safety And Accident Prevention

    Photographed pictures are transferred to externally connected PC (separately and commercially available). This manual provides a description of the operating procedures of KOWA along with important precautions to be observed during its use. Please read this entire manual carefully to assure that the instrument can demonstrate its full capabilities and be used safely.
  • Page 4 If it should continue in use, a fire may break out on the instrument resulting in its malfunc- tioning. Contact your Kowa dealer which you purchased it or your nearest repair shop for Unplug inspection.
  • Page 5 ATTENTION The power supply must be dedicated for the sole use of the fundus camera. Connection with the same power supply as that for any external device may cause the instrument to malfunction. Obligatory When operating the fundus camera, take good care that the patient's examined eye, nose and face do not come in contact with the fundus camera.

  • Page 6: Indication Of Caution Label

    Indication of caution label Ten key CABLE CLAMP CABLE CLAMP Warning Pull the plug of T2.5A L250V power cable from Warning wallsocket when High-voltage fuses are replaced. K9L33 496A INPUT T2.5A L250V AC100 - 240V FIXATION Image Data Tenkey 50/60Hz LIGHT Warning Ten key CABLE CLAMP CABLE CLAMP Pull the plug of...
  • Page 7 Indication of caution lable MODEL KOWA nonmyd α-D Warning Caution 150VA POWER Wait until the lamp MAX 250VA Turn off the power or strobo has switch when the Warning Caution cooled when the lamp or strobo is CLASS replaced. lamp is replaced.

  • Page 8: Operating Precautions

    100 luxes (as bright as to tact with each other by alcohol. make news paper readable). ● Kowa is not responsible for product failure and dam- ● Install in a location where the plug cannot be acciden- age caused by modifications with non-factory parts as tally disconnected from the socket during fundus cam- expressed and implied in the warranty certificate.

  • Page 9: Table Of Contents

    ■ Daily maintenance ■ ..........  2.2 Installing external device ■ Daily inspection (by users) ■ ...... (Personal Computer) ........ ■ KOWA Daily Inspection List ■ .. 2. Connecting external device (Personal Computer) ........ ■ Regular Inspection (by manufacturer) ■ .... 37 ■...

  • Page 10: Operational Considerations For Hospital Grade Electrical Instrument (Safety And Accident Prevention)

    Operational Considerations for Hospital Grade Electrical Instrument (Safety and Accident prevention) 1. Only qualified personnel should operate this instrument. 2. The following items shall be considered when installing the instrument. () Install at a location away from water or accidental splashing. (2) Install at a location which will not be adversely affected by atmospheric pressure, temperature, humidity, ventilation, sunlight, dust, air containing salt, sulfur and other substances, and the like.

  • Page 11: Accessories

    Power cable:1 USB cable1:1 Connector miniUSB type to KP320SJT18X3KS31 Connector Atype to Btype Atype Chin-rest paper for Chin-rest's pins:2 Blower:1 covering chin-rest:1 K9L-TB45#101 UN-1301 K9L-TB45#102 Dust cover:1 Fuses:2 Instruction manual:1 AFT2#179 21802.5M FUNDUS CAMERA INSTRUCTION MANUAL KOWA nonmyd Application software Portable VK-2:1 Installation manual:1 User's guide:1...

  • Page 12: Name And Function Of Each Part

    Name and function of each part 1 Chin-rest To hold the patient’s chin. 2 Forehead-rest To press the patient’s forehead position against. 3 Menu setting buttons Used for selecting Menu mode and configuring various settings. Also used for switching the internal eye fixation lamp position when the internal fixation lamp setting is set to “Auto”...
  • Page 13  Name and function of each part A Internal fixation target selection button J Image signal output terminal Use the USB cable supplied with this instrument to connect a Select the internal fixation target lamp position PC and the instrument. from Posterior, Optic Disc, or Macula by pressing this button to go through these selections in Nor- K Photographing condition output terminal mal photography mode.
  • Page 14  Name and function of each part Monitor Screen Indications Anterior ocular segment observation display Mosaic ANTERIOR 45° No.:1a � : Next � : Back Blue 1a 2a 3a 4a 5a 6a 7a 8a 9a EXP: 0 Auto U ANTERIOR \ Picture angle “ANTERIOR”...
  • Page 15 Monitor Screen Indications Fundus observation display Fundus observation display Mosaic 45° Fix Target �:Next �:Back Blue EXP: 0 Auto c Mosaic fixation lamp switches g Working dots These switches appear in Mosaic mode when “Auto” has been The dots are shown optically for you to adjust the distance and selected by MosaicInt-Fix setting.

  • Page 16: Installation

    Data processing device must meet IEC60601-1 or IEC 60950. The system that combines such data processing device must meet IEC60601-1-1. The system administrator who builds such system bears all responsibility to have the system comply with requirement of IEC60601-1-1. Should you have any question, contact Kowa sales representative or dealership.

  • Page 17: Basic Operation

    Basic operation 3.1 Moving component fixing screw Completely loosen the moving component fixing screw before starting any photography using this instrument. Completely tighten the moving component fixing screw before moving this in- Tighten strument to other installation site. Loosen 3.2 Coarse motion: moving the optical head for a long distance In order to move the optical head for a long distance, move the control lever lengthwise or crosswise while holding the lever tightly in upright position.

  • Page 18: Preparation For Photography

    Preparation for photography 4.1 Preparing the instrument 1 Make sure that the moving component fixing screw is completely loosened. 2 Make sure that the instrument is correctly connected to a PC. Make sure that the PC is turned on and the application software "Por- table VK-2”...

  • Page 19: Preparations For Patient's Eye Examination

     Preparation for photography . Preparing the instrument 4.2 Preparations for patient's eye examination / 4.3 Selecting a photography mode 4.2 Preparations for patient's eye examination 1 Reduce room's illumination to no higher than 100 luxes (as bright as to make letters on this instrument barely read- able) to help patient's pupil to naturally turn to a mydriatic state suitable for photographing.

  • Page 20: Operational Procedure In Photography

    Operational procedure in photography 5.1 Normal mode The chart shown below describes the operation procedure in Normal mode. Details of items shown in the chart are de- scribed on the following pages. * Preparing this instrument. Preparations * Preparations for patient's eye examination. Turn on the power for photogra- switch...
  • Page 21  Operational procedure in photography . Normal mode 5.1.1 Selecting picture angle Press Picture angle selector to select a picture angle. Upon activation of the instrument “45°” is selected* . Continuously pressing the selector switches the picture angle between 45° and 30°. The picture angle currently selected is indicated on the upper right corner of the display.
  • Page 22  Operational procedure in photography 5.1.3 Checking Anterior ocular segment observation display Make sure that “ANTERIOR* ” is shown in the upper part of the display. Press Observation selection button when “ANTERIOR” is not shown. ANTERIOR ANTERIOR Normal Blue Central EXP : 0 5.1.4 Guiding patient's fixation Instruct the patient to look straight ahead.
  • Page 23  Operational procedure in photography . Normal mode 5.1.6 Checking pupil diameter Check the condition of dilation by comparing the patient's pupil diameter against the pupil diameter aid. Change the photography light intensity depending on the mydratic state. If the patient’s pupil diameter smaller than that shown by the pupil diameter aid, pull Small pupil adjust knob to proceed to small pupil photography.
  • Page 24  Operational procedure in photography 5.1.8 Switching from anterior ocular segment observation to fundus observation After alignment using the anterior ocular segment is completed, press Obser- vation selection button to switch to fundus observation. When you want to go back to anterior ocular segment observation, press the button again.
  • Page 25  Operational procedure in photography . Normal mode 5.1.11 Alignment Move Main camera unit until two working dots come on the top of the left and right bars in the middle of the display as shown in the figure below. In order to move the optical section for a very short distance, tilt the control lever to the de- sired direction.

  • Page 26: Mosaic Mode

     Operational procedure in photography 5.2 Mosaic mode Photography in Mosaic mode differs in the internal fixation selecting method and alignment using the fundus. The sec- tion describes these differences only. * Preparing this instrument. P re p a ra ti o n s * Preparations for patient's eye examination.
  • Page 27  Operational procedure in photography .2 Mosaic mode 5.2.1 Selecting internal fixation target There are two types of internal fixation target switching methods, “Auto” and “Manual”. In Auto mode, internal fixation targets are sequentially selected in the predefined order. In Manual mode, an internal fixation target is selected manu- ally by pressing one of the keys corresponding to the photographing parts of the eye.
  • Page 28  Operational procedure in photography Keys of a ten-key pad is used to select internal fixation target positions in Manual mode. Relationship between the keys and the photography parts. Lock Enter 0 00 Keys of ten-key pad Right eye Left eye (Shaded regions are invalid.) The numbers from 1 to 9 that appear on the bottom of the display indicate photography parts of the eye (and keys of ten-key pad).

  • Page 29: Precautions When You Continue In Photography

     Operational procedure in photography .2 Mosaic mode . Precautions when you continue in photography / . Terminating photography 5.3 Precautions when you continue in photography Please note that the display automatically switches back to anterior ocular segment observation when a certain period of time elapsed after photography.

  • Page 30: Tips For Optimum Photography (Troubleshooting)

    Tips for optimum Photography (Troubleshooting) 6.1 External fixation lamp When failed to complete fixation of the patient's eye using the internal fixation lamp, use the optionally available exter- nal fixation lamp (K9L-LE58) to enable the fixation using the other eye. 6.1.1 Installing the external fixation lamp 1 Aligning the groove on the external fixation lamp mount and the chin-rest, tighten two (2) mounting screw to lock the lamp. 2 Adhere attached cable clamps at two places shown in the figure and fix the cord with the cable clamps.

  • Page 31: Small Pupil Photography (Sp)

     Tips for optimum image capturing (Troubleshooting) 6.1 External fixation lamp / 6.2 Diopter correction lens 6.3 Small pupil photography (SP) / 6.4 Photographing the optic disc / 6.5 Poor quality fundus photography 6.3 Small pupil photography (SP) Pull SP knob in order to obtain a clear fundus image through the pupil diameter equal to or greater than 3.5 up to 4 mm when the monitor shows the pupil diameter smaller than that pupil diameter aid (which represents  mm diameter) dur- ing anterior ocular segment alignment.
  • Page 32  Tips for optimum image capturing (Troubleshooting) 6.5 Poor quality fundus photography Example of fundus photography Possible cause Remedy Locate the camera to the position where working dots become small- The camera is positioned too close to est. the patient’s eye. When flares still persist, pull the camera a little closer to you.

  • Page 33: Additional Features

    Additional Features 7.1 Power saving When this instrument is not operated for a certain period of time (approximately 10 minutes) it goes into Power saving mode. In Power saving mode, the display and all lamps including the observation lamp except Chin-rest raising and lowering buttons turn off.
  • Page 34 7 Additional Features 7.2 Menu manipulation 7.2.2.2 Settings of Auto mode Press Menu button while “Manual” is highlighted to access “Mosaic Int- Fix Auto Mode Setting”. Pressing Menu button while “Auto Mode Setting” is highlighted makes one of the numbers shown under “Photograph part when photographing a right eye”...
  • Page 35 When you select “No” for the Mirror Selection, illuminating orders are as shown below. Setting of illuminating orders Right eye Left eye Select “Set” and press Menu button in Mosaic Int-Fix AutoModeSetting to save the settings and return to Menu item selection. When the power supply is turned off before pressing “Set”, the settings you have made will not be saved.
  • Page 36 7 Additional Features 7.2 Menu manipulation 7.2.3.3 Sleep Mode Press “ ” or “ ” button to switch the setting while “Sleep Mode” is selected. Select “End” and press Menu but- ton while the setting of your choice is highlighted to select the setting and return to Menu item selection. 7.2.3.4 External Alignment : Normal In nomal mode, you can set whether or not the display automatically switches back to anterior ocular segment ob- servation after photography.

  • Page 37: Photographing Condition Output

    7 Additional Features 7.3 Photographing condition output 7.3 Photographing condition output This instrument outputs the photographing conditions from Photographing condition output terminal. See the specifica- tions below when you want to obtain the conditions using software other than “PortableVK-2”. For that purpose, you need to install FTDI Direct (D2XX) driver Ver 2.04.06 or later into your PC to which this instru- ment is connected.

  • Page 38: Maintenance And Inspection

    When condensation occurs, wait until it disappears before use. ● When condensation occurs repeatedly, lenses may get moldy. When this has occurred to you, contact us or your Kowa dealer. ● Disconnect the power supply cable when the instrument is not used for a long period of time.

  • Page 39: Regular Inspection (By Manufacturer)

    8 Maintenance And Inspection ■ Regular Inspection (by manufacturer) ■ / ■ Cleaning the objective lens ■ ■ Regular Inspection (by manufacturer)■ In order to use this instrument safely over its useful life, we recommend you to have it inspected annually. Contact us for details and cost of inspections. .

  • Page 40: Outer Cleaning

    8 Maintenance And Inspection ■ Outer cleaning ■ / ■ Replacing flash lamp ■ ■ Outer cleaning ■ Do not wipe the outer surface of the instrument with solvents such as ben- zene, alcohol, thinner, ether and the like. ATTENTION Otherwise, such substances may cause the surface to be discolored or de- Prohibitory teriorated.
  • Page 41 8 Maintenance And Inspection ■ Replacing flash lamp ■ () After the Discharge indicator LED is turned off and the flash lamp is fully cooled down (about 30 min- utes after the power is turned off), unscrew two screws by a driver and remove the flash lamp socket in advance.

  • Page 42: Replacing Fuse

    8 Maintenance And Inspection ■ Replacing fuse ■ / ■ Replenishing consumables ■ ■ Replacing fuse ■ When replacing the fuse, make sure the instrument is turned off and unplugged from the socket. If the fuse holder cover is WARNING removed with the instrument unplugged, there may occur elec- Warning Unplug...

  • Page 43: List Of Messages

    Contact Kowa sales representa- Power Off and Call ServicePerson upper limit. There could be a tive or your Kowa dealer. failure of an internal circuit. (Error : Excess voltage – Turn the power supply off and call a service person)

  • Page 44: Specifications

    10 Specifications Picture angle 45° /30° two angles (optical) Shooting mode Normal / Mosaic (electrically switched) Effective pupil diameter mm (small pupil mode: .mm) Working distance 30mm (distance of examined eye to front end of objective lens) Without compensation : -m (D)~+m Compensation range of examined eye Compensation - : -2m...

  • Page 45: Electromagnetic Compatibility (Iec60601-1-2: 2007)

    11 Electromagnetic Compatibility (IEC60601-1-2: 2007) This instrument is a medical electrical instrument. Medical electrical instruments require special attention to the electromagnetic compatibility (EMC). The following section describes the electromagnetic compatibility (EMC) and precautions regarding this instrument. When installing or using this instrument, read the description carefully and follow the directions described. (The electromagnetic compatibility (EMC) of this instrument was tested based on IEC60601-1-2:2007.) 1.
  • Page 46 Guidance and manufacturer's declaration - electromagnetic emissions The KOWA is intended for use in the electromagnetic environment specified below. The customer or the user of the KOWA should assure that it is used in such an environment. Emissions test Compliance...
  • Page 47 The customer or the user of the KOWA can help prevent electromagnetic interference by main- taining a minimum distance between portable and mobile RF communications instrument (transmitters) and the KOWA as recommended below, according to the maximum output power of the communications instrument.
  • Page 48 Phone: 1(310)327-1913 Facsimile: 81(3) 5623-8060 Facsimile : 1(310)327-4177 Hamamatsu Factory -, Shinmiyakoda -chome, Kita-ku, Hamamatsu city, Shizuoka Pref., 431-2103 Japan © 2008 Kowa Company, Ltd. All rights reserved. K9L58 V1.1 K 081222 MS Printed on recycled paper. Printed in Japan...