SLIT LAMP USER`S MANUAL
Contents
1. position before connecting the input cable with the power socket Turn off the main power switch and the pilot lamp 9 will be lighted Open the slit width control knob 35 to examine the illumination Rotate the brightness control switch 7 respectively at three positions and the brightness should be changed accordingly Check the fixation target device to confirm it is lighting Check whether all the moveable parts such as aperture and slit height control knob 29 filter selection lever 28 and magnification lever 18 etc could be operated freely After examining turn off the main power and cover the instrument with the dust proof cover O Amcon Sit Lamp ANNGCON CEST PR OPERATION PROCEDURES Diopter Compensation and Pupil Distance Adjustment Use of the Focusing Test Rod M The rod is supplied as one of the standard accessories for confirming the microscope s accurate adjustment Insert it into the main shaft hold with the flat surface facing the objective lens the direction of the operator Fig 9 ATTENTION After adjusting remember to take out the rod and insert the protection cap Brightness Adjustment Switch on the main power switch and set the brightness control switch 7 at N position Turn the slit width control knob 35 to make the slit width 2 3mm Diopter Compensation The focus of the microscope is calibrated for an emmetropic user If the operator has uncorrected refractive error t2. Illumination Part A Loosen the illumination arm couple bolt 14 Rotate the brass shaft sleeve to make an approximate angle of 30 90 between the red mark and the limiting board Fig 5 shaft sleeve mark limiting board 13 Figure 5 Loosen the set screws in the illumination arm with the screwdriver V Aim the assembly hold of the illumination arm at the brass shaft sleeve with care and then put it down Keep the shaft close to the bottom surface well and simultaneously stretch the two red marks to one line After the two red marks are accurately aligned retighten the set screws Fig 6 Figure 6 ines ats AMCON Er Assembling the Microscope B Match the groove on the binocular tubes with the pin on the microscope body Fig 7 Fasten the fixation screw with the big screwdriver to fix the microscope fixing screw X w J groove Pi Figure 7 ATTENTION Avoid touching any lens surface Assembling the Breath Shield E Remove the breath shield fixation screw from the microscope arm Pass the removed screw through the hold of the breath shield then rescrew it into the arm Connecting the Plug Peel off the tape attached to the lamp cap which ensures that the cap is tightened to the lamp base during shipping Insert the plug on the top of the head rest part D into the socket of the lamp cap 26 on the illumination part A Connect the two plugs below the head rest part with the cor
3. arms with the joystick Work Table Accessory Drawer Storage for the focusing test rod and other accessories Brightness Control Switch Controls three levels of illumination H high N normal and L low Avoid working continuously at the high setting as the service life of the bulb will be shortened Main Power Switch Pilot Lamp Microscope Arm Locking Knob Locks the rotational movement of microscope arm Angle Mark Ring Marks the ring of the illumination arm which relate to the long mark of the microscope that represents the angle of the two arms Chin Rest Elevation Adjustment Knob Rotating the knob adjusts the elevation of the chin rest Location Roller When in the middle it represents the included angle of 0 between the microscope arm and the illumination arm When moved to the right or left the angle is 10 Microscope and Illumination Arm Couple Bolt Fastening this bolt allows the illumination arm and the microscope arm to move and rotate together When loosened the illumination arm can be rotated separately Hruby Lens Guide Plate Can also be used as an assembly plate for the applanation tonometer Breath Shield Chin Rest Amcon Slit Lamp ANMNCON CENTER 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Magnification Selection Dial Turn to select the desired of five different magnif
4. SHOOTING GUIDE work contact an authorized repairperson Problem Possible Cause Solution Page The cable is not Connect the power connected correctly ania iad 10 with the power socket T The main power switch Place the switch on 40 is on O position T position The plug on the power te Poa R Insert the plug firmly 10 No Illumination The plug on the lamp Insert the plug firmly 9 cap is loose The bulb has but out Change the bulb 16 The fuse has blown Change the fuse 17 The bulb is not Assemble the bulb ie assembled properly properly The filter lever is in the z A Set the filter lever to middle orn the the correct position 18 grey filter position Slit is Too Dark Voltage selector is Set the voltage 7 wrongly set selector correctly The reflecting mirror Change the reflecting ig coating is oxidized mirror Too much dust is on Clean the surface i the reflecting surface with the brush Voltage selector is Set the voltage 2 wrongly set selector properly Fuse has Blown oy paper The fuse doesn t match Replace it with 3 specifications the proper fuse Slit Closes The slit width control Adjust the tightness Automatically knob is too loose of the control knob F The output plug is Insert the output plug Fixation Target is Off rhea firmly 10 Amcon Slit Lamp AMICON CENTER TRANSPORTATION AND STORAGE During the transportation of t
5. SLIT LAMP USER S MANUAL EQ 6700 AMCON Sze 1 800 255 6161 Fax 1 800 397 0013 www amconlabs com CONTENTS Disclaimer and General Safety Warnings Nomenclature Assembly Components Assembly Procedure Checking Procedure After Assembling Operation Procedures Diopter Compensation and Pupil Distance Adjustment Patient Position and Fixation Target Base Operation Changing the Aperture and Slit Height Maintenance Replacing the Illumination Bulb Replacing the Reflecting Mirror Replacing the Fuse Replacing the Chin Rest Paper Adjusting the Tightness of the Slit Width Knob Adjusting the Inclination of the Illumination Part Cleaning Protecting Troubleshooting Guide Transportation and Storag Specifications Amcon Slit Lamp AMICON CENTER DISCLAIMER Amcon The Eyecare Supply Center makes no representations or warranties either expressed or implied with respect to the contents hereof and specifically disclaims any warranties merchantability or fitness for any particular purpose Further Amcon The Eyecare Supply Center reserves the right to revise this publication and to make changes from time to time in the contents hereof without obligation of this company to notify any person of such revision or changes NOTE Neither Manufacturer nor distributor assumes any responsibility or liability for any damages caused by negligence or igno
6. exceeds 15D When changing loosen the fixation screw replace the fixation target with the spot light source and refasten with fixation screw Fig 10 curved lever fixation screw fixation target bar adjusting knob Figure 10 Base Operation Horizontal Rough Adjustment Keep the joystick 1 erect and move the base 4 to make the microscope move on the horizontal surface to aim at the object roughly Fig 11 nas AMCON Er 4 Figure 11 Vertical Adjustment Rotate the joystick to adjust the microscope height until it aligns with the target Turn the joystick clockwise to raise the microscope and counterclockwise to lower it Horizontal Adjustment Tilt the joystick to make the microscope move slightly on the horizontal surface While looking through the eyepieces tilt the joystick to aim accurately at the object for a sharp image Locking the Base When finishing the adjustment fasten the base locking screw 2 to lock the base 4 to prevent it from sliding Changing the Aperture and Slit Height Changing the Slit Width Turn the slit width control knob 35 and the slit width will be changed from 0 to 9mm The slit becomes a circle at 9mm The approximate width is indicated by the scale on the knob Changing the Aperture and Slit Height Turn the aperture and slit height control knob 29 and six different circular beams of light are available at full aperture 9 8 5 3 1 and 0 2 mm diameter With a s
7. he Hruby lens at the center of the visual field and near the patient s eye 6 Move the lever to focus the Hruby lens at the fundus then adjust the slit height and width to reduce the unnecessary light in the vision field Amcon Slit Lamp AMNCON CENTER 7 To examine different views either turn the microscope and the illumination arm or change the patient s fixation by manipulating the fixation target If the long mirror interferes in the examination replace it with the short mirror After examination move the Hruby lens back to the original position on one side of the chin rest Ow ATTENTION Before moving the Hruby lens to the right and left first have the patient move his head away from the chin rest to avoid hitting the patient s nose with the Hruby lens MAINTENANCE ATTENTION The replaced waste materials should be treated as industrial waste Replacing the Illumination Bulb Turn the main power switch 8 off Pull out the plug connected to the lamp house Rotate the lamp cap 26 counter clockwise and pull it out from the illumination part A Take out the old bulb and replace it The groove in the bulb fixation disc should be aimed at the flange of the lamp base otherwise the illumination may be uneven Fig 15 Place the lamp cap in the original position and rotate it clockwise Then insert the connecting plugs Turn on the main power switch and assure that the new bulb works bulb flange fixa
8. he eyepiece should be adjusted to the proper power To adjust the eyepieces Rotate the diopter adjustment ring 19 counterclockwise all the way Rotate the ring clockwise until a sharp slit image appears on the focusing text rod Adjust the other eyepiece in the same manner Record the diopter value on each eyepiece for future reference Amcon Slit Lamp AMICON CENTER Pupil distance adjustment Separate the prism box of the microscope with both hands to adjust the PD until both eyes can see the same image on the focusing test rod through the eyepieces A stereo view will be seen ATTENTION While adjusting the PD ensure that both eyepieces are at the same height Patient Position and Fixation Target Positioning the Patient s Head Have the patient place his chin on the chin rest 17 and his forehead against the head rest belt 24 Adjust the chin rest elevation adjustment knob 12 below the chin rest until the patient s canthus aligns with the horizontal mark 23 Use of the Fixation Target For fixing the patient s eyesight instruct him to look at the fixation target 30 To change fixing position move the lamp bar and move the curved lever around the forehead The fixation target with diopter compensation supplies a dot and concentric circles target Slide the knob to adjust the diopter compensation within the range of 15D to 10D The fixation target with spot light is used for the patient whose refractive error
9. he slit lamp be careful to protect it from liquids avoid vibrations and do not turn it upside down The relative humidity should be 10 to 90 and the environment temperature should be 25 C to 40 C This instrument should be stored in a well ventilated room without corrosive gas The relative humidity should be 10 to 80 and the environment temperature should be 10 C to 40 C If the assembled instrument should be moved or transported a short distance ensure that all movable parts are locked Move this instrument carefully by carrying on it table If long transportation is required the slit lamp should be repacked in the original packaging SPECIFICATIONS Microscope Type Parallel Optics Model of Magnifying 5 Steps by Drum Rotation Eyepiece 12 5x Total Magnification Rate 6x 10x 16x 25x 40x 233mm 22 5mm l4mm 8 8mm 5 5mm Range of PD Adjustment 55mm to 75mm Diopter Adjustment 5D to 3D Illumination Slit Projection Magnification 2 3x Slit Width Continuous from Omm to 9mm at 9mm slit becomes circle Slit Height Z9mm mm Smm mm S2mm Simm O 2mm Slit Angle 0 to 180 continuously adjustable from vertical to horizontal Slit Inclination 5 10 15 20 in four steps Filters Heat absorbing Grey Red free Blue Illumination Bulb 12V 30W halogen bulb BT 6705 from Amcon 20 Amcon Slit Lamp AMENENA Movement Base Longitudinal Movement 90mm Lateral Movement 100mm Fine Base Move
10. ications of the microscope Prism Box Separate to adjust pupillary distance 12 5x Eyepiece Microscope Fixation Screw Applanation Tonometer Mount Optional Applanation Tonometer EQ 6703 mounts here sold separately Horizontal Mark This serves as a guide to ensure proper chin rest height for each patient The patient s outer canthus should be level with this mark Forehead Strap Diffusion Lens Used for enlarging illumination field Lamp Cap Slit Height and Aperture Display Window Filter Selection Lever Switches before four filters Horizontal Mark When the patient s lateral canthus is in line with this mark the elevation of the microscope is controlled by the joystick in the center position Fixation Target Two fixation targets are available the diopter adjustment target and the illuminated fixation spot Reflecting Mirror Both long and short reflecting mirrors are provided The long mirror is routinely used for most examination procedures The short mirror is used when the long mirror interferes with observation such as during funduscopy Hruby Lens Used for observation of the fundus and the posterior segment of the vitreous body Hruby Lens Holder Centering Knob Loosening this knob allows the illumination light to be moved from the center of the visual field for indirect retroillumination Fastening the knob brings the illumination light back to the center Slit Width Control Knob The s
11. irror is also used when the illumination part is inclined over 10 ee AMCON Er Filter Selection Turn the filter selection lever 28 in the horizontal surface to add four different kinds of filters respectively into the illumination pathway Usually the heat absorbing filter is used so that the patient may feel more comfortable during long periods of examination Fig 14 Coe 9 ai No filter Blue filter Heat absorpting filter Red free filter Grey filter Figure 14 Fundus Observation with Hruby Lens During routine usage observation with the slit lamp is limited within the range from the cornea to the anterior portion of the vitreous body owing to refraction effects of the cornea and the crystalline lens With the Hruby lens in front of the microscope the posterior part of the vitreous body and fundus then can be observed Examination Procedure with Hruby Lens 1 The pupil should be dilated for approximately twenty minutes 2 Insert the Hruby lens guide plate 15 into the main shaft hole of the illumination and the microscope arm 3 Pull out the Hruby lens holder from one side of the headrest Move the Hruby lens holder toward the operator so that it can slide freely to the left and right below the chin rest Insert the lower end of the Hruby lens lever into the groove on the guide plate 4 Move the focus of the illumination light and the microscope to the patient s eye 5 Move the lever to locate t
12. lit image the slit height can be changed continuously from 1mm to 9mm which is indicated through the display window 27 Rotating the Slit Image Swing the aperture and slit height control knob 29 horizontally to revolve the slit image at any angle in the vertical or horizontal direction The angle of image rotation is indicated by the rotation angle scale with small division of 5 and big division of 10 Deflecting the Illumination Light Loosen the centering knob 34 and swing the slit width control knob 35 back and forth so the light spot moves away from the center of the microscope vision field It is mainly used to 13 seats AMCONE Hr examine the eyes by indirect retroillumination Fasten the centering knob and the slit light will return to the center of the microscope vision field Fig 12 ee Figure 12 Oblique Illumination This is used for sectional or fundus examination by using a contact lens Press down the inclination lever 36 so that the illumination part inclines to 20 5 of each division Since the illumination part may touch the patient s head operate carefully Fig 13 Figure 13 Reflecting Mirror Both short and long reflecting mirrors are included with this slit lamp Use the long mirror in normal examination When the angle between the illumination part and the microscope is within 3 to 10 the examined imaged might be obstructed In this case use the short mirror The short m
13. lit width is adjustable within the rage from 0 to 9mm The marks on the left knob stand for the approximate width of the slit Amcon Slit Lamp AMICON CENTER 36 Illumination Inclination Lever Four 5 inclination stops are available up to 20 Figure 1 ASSEMBLY This section of the manual describes how to assemble the slit lamp All parts should be taken out of the packing case with great care before assembling Amcon Slit Lamp AMCON GESTER Components Name xE lt CAHHDOVOZErAC TOMMIODy Illumination Part Converging Binocular Tubes Base Part Heat Rest Part Breath Shield Work Table with Power Box Rail Cover Input Power Cable Hruby Lens Hruby Lens Guide Plate Spare Main Illumination Bulb BT 6705 Chin Rest Paper JZ 7902 Focusing Test Rod Protection Cap Dust Proof Cover Fixation Target Spare Long Reflecting Mirror Spare Short Reflecting Mirror Brush Spare Fuse Phillips Screwdriver with Wood Handle Large Optical Screwdriver Small Optical Screwdriver Wrench abi Sk gh eid ends Raa eich Sha Bg etd tak ati cal N N N n e Figure 2 ini ts AMCON Er Assembly Procedure Necessary tools for assembly Phillips Screwdriver with wood handle U Optical Screwdriver V W and Wrench X Selecting Voltage and Fuse Check the setting on the voltage selector located on the bottom of the power box Fig 3 If it does not match with the input voltage slide it
14. ment 15mm Vertical Movement 30mm Chin Rest Vertical Movement 80mm Fixation Target Red LED Hruby Lens Hruby Lens 58 7D Power Source Input Voltage Input Frequency Power Consumption Output Voltage Electric Safety Standard Dimension and Weight 100 220V 10 50 60 Hz 58 VA Illumination Bulb 7 2v 9 8V 11 6V Fixation Target 7 2V Conforms to Standard IEC601 1 Class Type B Packing Box Total Weight Net Weight 720mm x 495mm x 480mm 24 kg 21kg Subject to change in design or specifications without advance notice 21
15. rance of precautions in this manual GENERAL SAFETY WARNINGS Follow the proceeding Warnings to avoid injury and damage to the slit lamp WARNINGS 4 Avoid flammable or explosive environments dust or high temperatures For indoor use only Keep the slit lamp clean and dry 2 Check that all wires are correctly and firmly connected before using Ensure that the instrument is well grounded Pay attention to all the rated values of the electrical connecting terminal Use only a fuse with the specifications and rated values stipulated by the product Use the supplied power cable with this instrument Do not touch the surface of the lens or prism with the hand or any hard object Turn off the main power first before replacing the illumination bulb and fuse Rit RO e To prevent the instrument from falling it should be placed on a surface with an inclination angle of less than 10 9 Tum off the power and cover the instrument with a dust cover when not in use 10 In case of a problem please refer to the troubleshooting guide Amcon Slit Lamp AMICON CENTER NOMENCLATURE 1 10 11 12 13 14 15 16 17 Joystick Incline joystick to move the instrument slightly on the horizontal surface and rotate it to adjust the elevation of the microscope Base Locking Screw Locks the base when fastened Rail Cover Protects the rail surface Base Supports the microscope and the illumination
16. responding output socket of the power box Insert the plug of the input power cable H into the input socket of the power box Remove the cable clips from the bottom of the work table with screw driver U and wrap the output and input cables respectively then reattach then to the bottom of the work table Assembling the Hruby Lens I and the Hruby Lens Guide Plate J Insert the Hruby lens into the Hruby lens holder 35 on the head rest Be careful not to touch the lens surface Fig 8 Place the Hruby lens guide plate J into the main shaft hold of the base part with the small end pointing to the head rest nails AMCON Et Figure 8 Assembling the Chin Rest Paper L Pull out the two fixing pins from the chin rest Discard the paper package and allow the pins to go through the holes Insert the fixing pins into the hole again Replacement chin rest papers JZ 7902 can be purchased from Amcon Storing Spare Parts Some spare parts could be stored in the accessory drawer 6 Checking Procedure After Assembling Power Plug This instrument supplies a three wire cable Please select a proper power socket as matched Ensure that the instrument is well grounded ATTENTION Please use the special cable supplied with this instrument Power Box and Illumination Part When the main power switch 8 of the power box is placed at I it turns on and at O it turns off The main power switch should be set at the O
17. the Illumination Part if the inclination mechanism of the illumination part is too loose fasten the screws on both sides of the pivot point with the screwdriver U Cleaning 1 Cleaning the lenses and mirrors If any dust sticks on the lenses or reflecting mirrors brush them with the brush S supplied with the slit lamp In case any dust still remains wipe it off with a soft cotton dipped with absolute alcohol ATTENTION Never scratch with fingers or any other hard materials nial AMCON Es 2 Cleaning the slide plate rail and shaft If the slide plate rail and shaft are dirty the vertical and horizontal movement will be unsteady Wipe them with a clean soft cloth 3 Cleaning and sterilizing plastic parts Clean the plastic parts such as chin rest bracket headrest belt etc with a soft cloth dipped in a soluble detergent or water Sterilize with medicinal alcohol ATTENTION Do not wipe with any corrosive detergent or the surface may be damaged Protecting Dust will settle into the main shaft hole of the illumination arm during operation unless the hole is covered Please cover the main shaft hole with the protection cap in order to keep the instrument clean Remove the cap when the guide plate needs to be assembled Fig 17 Figure 17 Amcon Slit Lamp ANNCON The Eyecare Supply CENTER In case of a problem with the slit lamp please consult the following guide If it still does not TROUBLE
18. tion disc Figure 15 ATTENTION The old bulb is hot Replacing the Reflecting Mirror Set the angle between the microscope and the illumination arm to exceed 30 Incline the illumination arm by more than 10 Remove the long mirror by holding the extended surface Insert a new long or short reflecting mirror When replacing the short mirror push the bottom of the mirror by using an object with a sharp end Fig 16 Amcon Slit Lamp AMICON CENTER Figure 16 Replacing the Fuse Turn off the main power switch 8 and pull out the input cable from the power socket Screw off the fuse holder cover with the screwdriver X Replace it with a new fuse and then fasten the cover The fuse specifications are as follows 110V 1A 250V 220v 0 5A 250V ATTENTION Please select the fuse of the same type specification and rating Replacing Chin Rest Paper When the paper needs replenished pull upwards on the two fixing pins of the chin rest and place a new package of paper Then secure the fixing pins again Adjusting the Tightness of the Slit Width Knob if the slit width control knob is too loose the slit width may be out of control Loosen the screw on the right knob with the screwdriver W and then hold the left knob firmly with one hand while the other hand rotates the right knob clockwise to adjust its tightness When it is appropriate fasten the screw of the right knob firmly again Adjusting the Inclination of
19. to the proper position with screwdriver V Open the fuse holder with screwdriver U and take out the fuse Ensure that its rated value is corresponding to the mains voltage 220V 0 5A It has been set to 220v before leaving the factory elector Figure 3 ATTENTION Set the input voltage and frequency according to that of the mains Attaching the Worktable F To attach the work table onto a motorized work table or exam lane arm please screw off four 8x20mm bolts with spring washers using the wrench X Lift the work table to aim its screw hold at the assembly hole of the instrument table Put down the work table with the power panel facing the operator and then refasten the bolts securely with wrench Assembling the Head Rest D Remove four screws attached to the chin rest connection board with the screwdriver U Put two cables in the cap between the head rest fixation plate and the chin rest connection board Fig 4 While ensuring that they are not clamped retighten the previously removed screws head rest fixation plate connection board Figure 4 ee AMCON Es Assembling the Base Part C and the Rail Covers G Place the wheels of both sides of the base C on the rail on the work table Check whether the wheels can be rolled steadily on the rail Remove four screws attached to the rail with the screwdriver U Place the rail cover G to the rail retighten the previously removed screws Assembling
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