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Yeasn YF-100 User Manual

Slit lamp
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YF-100
Slit Lamp
User Manual
Version: 1.4
Revision Date: 2023. 01

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Summary of Contents for Yeasn YF-100

  • Page 1 YF-100 Slit Lamp User Manual Version: 1.4 Revision Date: 2023. 01...
  • Page 2 Όνομα προϊόντος: Σχισμοειδή λυχνία Numele produsului: Lampă cu fantă Productnaam: Spleetlamp User Manual Download link: www.yeasn.com/en/ Link para download do manual do usuário: www.yeasn.com/en/ Manual de usuario Enlace de descarga: www.yeasn.com/en/ Kullanım Kılavuzu İndirme linki: www.yeasn.com/en/ Manuale d'uso Link per il download: www.yeasn.com/en/...
  • Page 3 Information in promotional materials and packing boxes is subject to changes due to performance improvement without additional notice. Chongqing Yeasn Science - Technology Co., Ltd. reserves the rights to update the devices and materials. If you have any questions during using, please contact at our service hotline: (86-023) 62797666, we will be very happy to help you.

  • Page 4: Table Of Contents

    Content 1. Specifications ....................... 1 1.1 Uses ........................1 1.2 Microscope ......................1 1.3 Slit Illumination ....................1 1.4 Base movement ....................1 1.5 Chin Rest unit ..................... 2 1.6 Voltage ....................... 2 1.7 Weight and dimension ..................2 1.8 Name plate and indications ................2 2.
  • Page 5 5.4 Illumination adjustment ..................20 6. Maintenance ....................... 22 6.1 Replace Chin-rest papers .................. 22 6.2 Maintenance and care ..................22 7. Cleaning and protection ....................22 8. Environmental Conditions and Service Life .............. 22 9. Troubleshooting guide ....................23 10.

  • Page 6: Specifications

    1. Specifications 1.1 Uses For eye examination and aid in the diagnosis. Contraindications: none. Target groups of patients: adults, children. Intended users: optometrists in hospital ophthalmology and optical shops. The people who use this product are ophthalmologists in hospitals or clinics, and optometrists in optical shops.

  • Page 7: Chin Rest Unit

    1.5 Chin Rest unit 1) Chin Re est Elevation 70mm 2) Fixation n light Red L 1.6 Volta 1) Power in nput of adap ptor: 100-240 V A AC, 50/60 H Hz; 1.0-0.5A 2) Output o of adaptor: 12 V DC 3.3 34 A;...
  • Page 8 CE marking Correct Disposal of This Product (Waste Electrical & Electronic Equipment) The applied part of the device is Type B (Head rest unit) Medical device Use-by date Consult instructions for use Refer to instruction manual / booklet Authorized European representative Catalogue number Unique Device Identifier Model number...

  • Page 9: Safety Precautions

    Atmospheric pressure limitation We will make available on request circuit diagrams, component part lists, descriptions that will assist service personnel to repair those parts of ME equipment that are designated by the manufacturer as repairable by service personnel. 2. Safety Precautions The slit lamp is an instrument consisting of a high-intensity light source that can be focused to illuminate the eyes with a thin beam of light.
  • Page 10 movement, please push with hand holding the table top with hand or hold with two hands. If it is long distance movement, please put it back to the original package firstly. ● Electrical medical devices and systems are subject to special EMC measures and must be installed in accordance with the EMC instructions contained in this accompanying document.

  • Page 11: Instrument Structure

    3. Instrument structure...
  • Page 12 ○ 1 On/Off Switch Main power switch of slit lamp. ○ 2 Accessories Drawer...
  • Page 13 Storage the focusing test rod and other accessories. ○ 3 Table top Mounting substrate of each component, Platform used by the operator. ○ 4 Base Supports the microscope and the illumination arms, control the horizontal movement of slit lamp. ○ 5 Joystick Incline joystick to move the instrument slightly in the horizontal surface and rotate it to adjust the elevation of the microscope.
  • Page 14 ○ 14 Slit Width Knob The slit width is continuous adjustable. ○ 15 Illumination Angle Ring The long line on illumination base and value on corresponding lamination angle ring show the angle of two arms, indicate the angle between observation and illumination direction. ○...
  • Page 15 ○ 26 Moveable Arm Supporting the observation parts, confirm the observation angle by turning the arm. ○ 27 Slit Base Change the slit direction by turning the slit base. ○ 28 Illumination Base ○ 29 Instrument Base Locking Knob Lock the knob, the instrument base will be fixed. ○...

  • Page 16: Installing

    4. Installing This instruction manual is for YF-100 Slit Lamp. All parts must be taken out carefully from the package, and then be put on installing.

  • Page 17: Parts List

    4.1 Parts list Parts name Qty. Note Eyepiece unit Slit projector unit Head rest unit Base unit Rail covers Breath screen Workbench The three units are already Power box installed well into a component Accessories box Power adaptor 4.2 Accessories list Parts name Qty.

  • Page 18: Installing Steps

    4.3 Installing steps 4.3.1 Install Head rest unit (C) 1) Place the head rest unit (C) and workbench (G) as shown in Figure 1. 2) After aligning the screw holes, use an allen wrench (N) to tighten the two hexagon socket screws (U).

  • Page 19: Install Rail Cover (E)

    4.3.3 Install Rail cover (E) 1) Align the insert of the rail cover with the groove at the bottom of the rack; 2) Insert the rack cover in the direction shown (Figure 3). Figure 3 4.3.4 Install Slit projector unit (B) 1) Drive out the hexagon socket countersunk head screws (Figure 4) beneath the central shaft of Slit projector unit (B) with the allen key (O).

  • Page 20: Install Eyepiece Unit (A)

    Figure 5 Note: when connecting the central shaft and connection base, the locating pin on connection base should be positioned in the locking slot on the central shaft. 4.3.5 Install Eyepiece unit (A) Take the Eyepiece unit (A) out carefully; Install the U-groove on the bottom of the Eyepiece unit (A) into the U-guide which supports the bent arm.

  • Page 21: Connect The Plug

    Figure 7 4.3.7 Connect the plug 1) Connect the plug under the workbench of the workbench (G) to the corresponding socket at the back of the power box (R); 2) Connect the plug under the head rest unit (C) to the corresponding socket at the back of the power box (R);...

  • Page 22: User Instruction

    5. User instruction 5.1 Preparation before use 5.1.1 Diopter compensation accommodation 1) Insert the focusing test rod into the hole, slightly turn the handle to adjust it until the flat surface facing the objective lens of the Eyepiece unit. (Figure 8) Figure 8 2) Switch on the power, turn the Intensity control knob, and switch the brightness of slit image on flat surface of the Focusing test rod to the middle grade.

  • Page 23: Pd Adjustment

    Figure 9 6) Repeat the above step, and adjust the other Eyepiece unit. Keep a note of right and left diopter compensation values for reference later. Note: If the user is emmetropia, you can adjust the diopter compensation value to zero, and then you can see the Focusing test rod is clear.

  • Page 24: Locate The Head Of The Testee

    Note: after the diopter compensation and PD adjustment is finished, please remove the Focusing test rod. 5.2 Locate the head of the testee 5.2.1 Locate the head of the testee 1) Locate the chin of the testee on the chin-rest unit. 2) Slowly turn the chin-rest adjustment knob, and lift the head of the testee until the eyes are at the level of the eye mark.

  • Page 25: Illumination Adjustment

    slightly in X-Y direction to make the Eyepiece unit target precisely at the object. 4) Locate the object: after finishing the three steps above, the Eyepiece unit is already targeted at the object in X-Y-Z direction. Fix the base unit by turning the knob on base. Figure12 5.4 Illumination adjustment 1) Change the width of the slit image: rotate the slit adjustment knob to change the slit width from...
  • Page 26 Figure13 4) Rotate the slit image: Rotate the slit base to make the slit image rotate in any degree in horizontal and vertical direction, and the angle can be read on the scale (Figure 14) Figure 14 5) Insert dispersion lens: when there is need to disperse the illumination light, rotate the dispersion lens into the light path from beneath the slit projector, and rotate it back after finishing it.

  • Page 27: Maintenance

    6. Maintenance 6.1 Replace Chin-rest papers When the chin-rest paper is used up, pull out the two Chin-Rest Fixed Pins, put on new papers. Target the hole and put the Chin-Rest Fixed Pins back. 6.2 Maintenance and care 1) Dust and normal saline sometimes go inside the hole of central shaft when using the Slit lamp, please cover the hole with dust cover to save instrument from damage.

  • Page 28: Troubleshooting Guide

    The service life of the device is 8 years from first-time use with proper maintenance and care. 9. Troubleshooting guide In case of any troubles, please check the list below for guidance. If the trouble is still not solved, please contact Yeasn or its authorized distributor for repair services. Trouble Possible cause...

  • Page 29: Circuit Diagram

    10. Circuit diagram For further information and services, or any questions, please contact with the authorized dealer or manufacturer. We will be happy to help you. 11. Manufacturer’s Responsibility The company is responsible for the safety, reliability and performance impact under below circumstances: Assembly, addition, modifications, alterations and repairs are carried out by authorized personnel by the company;...

  • Page 30: Guidance Of Emc And Other Interference

    Guidance and manufacture’s declaration – electromagnetic emission The YF-100 is intended for use in the electromagnetic environment specified below. The customer of the user of the YF-100 should assure that it is used in such an environment.
  • Page 31 0.5 cycle for 0.5 cycle environment. If the user of the power supply input YF-100 requires continued operation lines 40% U 40% U during power mains interruptions, it IEC 61000-4-11...
  • Page 32 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 YF-100 is used exceeds the applicable RF compliance level above, the YF-100 should be observed to verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as re-orienting or relocating the YF-100.
  • Page 33 RF communications equipment and the YF-100 The YF-100 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the user of the YF-100 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment (transmitters) and the YF-100 as recommended below, according to the maximum output power of the communications equipment.

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