Operator`s Manual - augenarztbedarf.de & ophthalworld.de
Contents
1. 11 12 13 14 10 2 Replacirig EUs6 cen mee e n e re EN Aa dede Ale 75 10 3 Replacing Chin Rest Tissue ie eee c Ehe Chi ae 76 10 4 Components to Be Replaced by Service Person 76 10 5 Cleaning in 76 10 62 ine eei te ub ED er rar E ERA EU DNE Ue Ra EVA RR ERROR d hon 77 10 7 Moving the Instrument oe eee E eer i e 77 10 8 7 DISPOSAl a EEN A an 77 Lngd c5pinr me 78 11 1 Message When Power nennen enne 78 11 2 Message On Measuring eri rer 79 11 3 Message On Printing o o ai e gd d Ades 79 Specifications 2 80 Components List 5 inre 82 Service Information 5 c eap Saat aa aa Aaa E 83 1 Auto Ref Keratometer MRK 3100P 5 Introduction 1 1 Outline of the instrument The Auto Ref Keratometer MRK 3100P contains both a refractometer and keratometer The refractometer measures the refractive power of the patient s eyes and gives the spherical cylindrical power and axis of the cylinder The keratometer measures the corneal curvature and gives the corneal refractive power axis of the corneal meridian and corneal cylindrical power The Auto Ref Keratometer2. 2 Bypressing the VD button you can change the display type of refractometry data according to the VD value 3 Measured Result of Keratometry A maximum of 10 newest data items of the keratometry for both right and left eyes will be displayed RIGHT 63 96 96 96 96 Measured value of 96 Keratometry 96 96 96 96 96 Average Figure 35 Result of Keratometry Auto Ref Keratometer MRK 3100P 63 9 3 User SETUP Mode Change all the settings about measurements printouts etc Press the MODE button for a few second 1 Refractometry Keratometry INDEX Upper row name of button Lower row function mark means function MODE S I DISP SETL SETR PRT PAGE DOWN lt There is no function To changed the contents To changed the contents To changed the item To changed the item To save the contents To quit the SETUP mode and retum to the measurement mode There is no function To the next page Figure 36 Setup Mode Information page 1 64 Auto Ref Keratometer MRK 3100P How to Change the Page Press MODE button to move to the next page How to Change the Item Pressing the AUTO button brings the cursor to upper item and pressing the DISPLAY button moves the cursor to the lower item How to Change the Contents If you press the 4 button o
3. t pnt ie fte eei e 6 Safety Informati n ciiin ranae unas Ea ume 7 2 4 Introd ctign rrt m t 7 2 2 Satety Symbols OH da T oaa 8 2 3 Environment factors epa eh eee e Hen han endo Ltd edens 9 2 4 Safety Precautions e ener ret 11 iisscscccssseescccsisccvicieiacasscisdastevsdsscecindy cancecediadensdocesubesssateadsdubercquacueaesescetauiseaesaise 14 Notes for Using the 16 UPAR ONS see 17 5 1 Main 17 5 2 Operation Panel ie EIS 19 Installation and Preparation esses eese eene eene nennen ennt nn nn nnn anna sa nna 20 Operations using Model Eye eese nnn nnne tnn 22 LUCERE 25 8 1 Simultaneous Keratometry Refractomery Mode Mode 27 8 11 Manual Start ie eee at de da raga gc 28 8 1 2 Auto Start Mode e t ABER en a ei ME tens 36 9 10 Auto Ref Keratometer MRK 3100P 3 8 1 3 Various AU Ue DE dea dede e 38 8 2 Refractometry REF nennen nnne nnne enne 40 8 2 1 Manual Start nen eeneee neret 40 8 2 2 Auto Start Mode reete ne ee rr re tee EE Lees 4
4. 3100 11 2 4 Safety Precautions This equipment has been developed and tested according to safety standards as well as national and international standards This guarantees a very high degree of safety for this device The legislator expects us to inform the user expressively about the safety aspects in dealing with the device The correct handling of this equipment is imperative for its safe operation Therefore please read carefully all instructions before Switching on this device For more detailed information please contact our Customer Service Department or one of our authorized representatives 1 This equipment must not be used a in an area that is in danger of explosions and b in the presence of flammable explosive or volatile solvent such as alcohol benzene or similar chemicals 2 Do not put or use this device in humid rooms Humidity should be maintained between 30 and 75 for normal operation Do not expose the device to water splashes dripping water or sprayed water Do not place containers containing fluids liquids or gases on top of any electrical equipment or devices 3 The equipment must be operated only by or under direct supervision of a properly trained and qualified person 4 Modifications of this equipment may only be carried out by Huvitz s service technicians or other authorized persons 5 Customer maintenance of this equipment may only be performed as stated in the User s Manual and Servic
5. Figure 44 Close the printer cover VAN INFORMATION Use a thermal printing paper of the width 57mm and the diameter of roll 50mm 10 2 Replacing Fuse Turn off and disconnect the power cord Pull out the fuse holder See section 4 1 Replace old fuse s with new one s 4 Re install the fuse holder VAN INFORMATION Use 250V T3 15AL fuse for the Auto Ref Keratometer MRK 3100P 76 Auto Ref Keratometer MRK 3100P 10 3 Replacing Chin Rest Tissue D Pull out the two pins on the chin rest Q Insert the pins into the holes on the chin rest tissue More than 50 sheets of paper can be attached 3 Insert the pins straight into the holes on the chin rest 10 4 Components to Be Replaced by Service Person Following components are apt to become worn out or to deteriorate due to the characteristics of its material and structure These components are not replaceable by the user If these components are found to be worn out or deteriorate contact local distributor for replacement Backup batteries for the clock and data Cathod ray tube in the monitor 10 5 Cleaning D Basically keep this instrument clean Don t use volatile cleaners thinner or benzene etc Polish each part with a dry cloth containing detergent solution When cleaning lens or glass of this instrument clean it using a soft and dry tissue after removin
6. 2 rolls I E 1 Dust Cover eer rre 1 Operator s Manual 1 Auto Ref Keratometer MRK 3100P 83 14 Service Information If the instrument appears malfunctioning before calling a customer service it is highly recommended to check the instrument according to the troubleshooting procedure in section 11 of this manual If any problem persists or the instrument is damaged or malfunctioning contact Huvtiz or local distributor for service with the following information W ofthe instrument Auto Ref Keratometer MRK 3100P Serial number of the instrument refer to the 9 digit number on its product label or name plate W Descriptions of Problem In detail Date of Purchase Dealer s Name Dealer Address Dealer Phone No Model No Serial No X Huvitz recommends customers to fill up the following form after purchase and retain this manual as a permanent record of purchase Write us at Tel 82 31 442 8868 HUVITZ Co Ltd Fax 82 31 442 8619 Huvitz B D 689 3 Geumjeong dong URL http www huvitz com Gunpo si Gyeonggi do South Korea e mail mrk support huvitz com 435 862
7. Instruct the examinee to open and close his or her eyes several times and measure again When the Mire Image is odd shaped because of the Strong Irregular Astigmatism or corneal disease To exceed measurement range Impossible to measure 40 Auto Ref Keratometer MRK 3100P 8 2 Refractometry REF Mode Only refractometry can be performed in the REF mode 1 Make sure the measurement screen is on 2 Enter the REF Mode by pressing the MODE button until REF is displayed in the lower left side of the display 3 Check the settings 8 2 1 Manual Start Mode You can enter Manual Start Mode by pressing Auto Button from Auto Start Mode You can disable Auto Start Mode by setting the option of AUTO START to be OFF in Setup Mode See Section 9 3 D Perform alignment and focusing VANS Do not place your hand or fingers between the stage and base Also ensure that the examinee does not place his her hand or fingers there either Otherwise hand or fingers may be injured Hold the operation lever and move the main body to the operator side 4 Auto Ref Keratometer MRK 3100P 41 Move laterally or turn the operation lever so that examinee s eye is displayed on the center of the monitor screen and luminous Bright Dot is on the center of the Inner Alignment ring Askthe examinee to look at the image of the eye fixation t
8. Main Unit Figure 1 Front View Height Adjustment mark Moving the height of chin rest up and down Height Adjustment lever Adjust the height of the examinee s eye to this mark Operation Panel There are several function buttons Fuse Fuse which protects this instrument from the excess electric power or shock Power Supply Connector Connector for the power cable Power switch Switch for turning power ON or OFF Operation Lamp Indicate whether the power is ON or OFF Display Monitor Monitor that displays measurement results Measurement Button Press this button to start measurements 10 Operation Lever Use this lever for alignment and focusing 11 Stage Holding Dial Lock the stage to the base 18 Auto Ref Keratometer MRK 3100P Figure 2 Side View Measurement Window Window for the examinee to look into the target image for measurements Printer To print results of measurement Interface Connector Connector for external computer External Monitor Connector Connector for external monitor or VTR Brightness Adjuster Adjust the brightness of monitor Forehead Rest Place the examinee s forehead against it to avoid shaking 2 3 4 5 6 Contrast Adjuster Adjust the contrast of monitor 7 8 Chin Rest Place the examinee s chin on it to avoid shaking 9 Clamping Bolt To
9. 3100P 35 The various display types During the refractometry reading you can change the sign of the cylindrical power by pressing the left arrow key 4 During the refractometry reading you can change the data according to the VD value By pressing the VD button your specified VD value or 0 VD value are alternated During the keratometry reading you can change the display types by pressing the right arrow key gt Three types which are R1 R2 AX K1 K2 AX and AR CY AX are provided Figure 17 example of printout K R 36 Auto Ref Keratometer MRK 3100P 8 1 2 Auto Start Mode You can enter Auto Start Mode by pressing the Auto Button from Manual Start Mode You can disable Auto Start Mode by setting the option of AUTO START to be OFF in Setup Mode See Section 9 3 In Auto Start Mode the measurement starts automatically as it being set in Setup Mode See Section 9 3 without pressing the measurement button when the alignment is done properly D Perform alignment and focusing Select the proper chart from 3 charts type A B and C by pressing the Chart button on the keypad Hold the operation lever and move the main body to the operator side Move laterally or turn the operation lever so that the right eye of the examinee is displayed on the center of monitor screen and the Mire Ring is concentric with the Outer Alignment ring Ask t
10. AX gee Axis of corneal astigmatism INC K Increment of corneal power and astigmatism INDEX Corneal equivalent refractive index 66 Auto Ref Keratometer MRK 3100P 2 Serial Number Time and Print Format Upper row Name of button DOWN Lower row function mark means no function There is no function To change the contents To change the contents To change the item To change the item To save the contents To quit the SETUP mode and return to the measurement mode There is no function To the next page Figure 37 Setup Mode Information page 2 How to Change the Page Press MODE button to move to the next page How to Change the Item Pressing the AUTO button brings the cursor to upper item and pressing the DISPLAY button moves the cursor to the lower item How to Change the Contents If you press the 4 button or the button contents will be changed The selected content will be shown in reverse highlighted characters Auto Ref Keratometer MRK 3100P 67 There are some contents changed in an other way And such procedures will be instructed with the description under each item How to Save the Contents Press the ILM button to save the contents How to Enter the Measurement Mode Press the IOL button to quit the SETUP mode and enter the Measurement mode Items COUNT select whether the seria
11. AXIS Repeated measurement Measurements could be performed repeatedly if necessary The newest result will be displayed on the monitor for each repeated measurement Amaximum of 10 newest data items for both right and left eyes will be stored in memory except for error data And the data can be shown in the display window using the Display button Measurement of the opposite eye Slide the stage to the right side and measure the left eye After both eyes are measured pupil distance PD will be displayed on the monitor Ifthe stage is slide back to the right side again measured values will be erased 34 Auto Ref Keratometer MRK 3100P Pupil Distance 0 75 R2 7 96 77 AX Figure 16 Pupil Distance Display Print Press the Print button The selected data in the SETUP mode will be printed See Section 9 3 If the printer is in operation the printing on Ege displayed on the left middle part of the window Hold the top left corner of printer paper and pull it diagonally to giving it a sharp tug to tear it off Fill the name of the examinee in the NAME box if necessary Results will be erased after printing e It is recommended that a hard copy of the printouts be made if you wish to store it for a long time because printouts on the thermal paper are apt to deteriorate Auto Ref Keratometer MRK
12. MRK 3100P contains retro illumination mode and size mode In retro illumination mode you can see the abnormal crystalline lenses corneas and scratches on the contact lens with the IR infra red light that is reflected from the retina In size mode you can measure the size of pupil cornea and iris size by freezing the image Also the Auto Ref Keratometer MRK 3100P contains CLBC contact lens base curve measurement mode and PD pupil distance measurement function 1 2 Classification Protection against electric shock Class Applied Parts Type B applied parts Protection against harmful ingress of water Ordinary IPXO Degree of safety in the presence of a flammable anesthetics mixture with air or with oxygen or with nitrous oxide Not suitable for use in the presence of a flammable anesthetics mixture with air or with oxygen or with nitrous oxide Mode of operation Continuous 6 Auto Ref Keratometer MRK 3100P 1 3 Certification MEDICAL EUIPMENT pk WITH RESPECT TO ELECTRIC SHOCK FIRE AND MECHANICAL HAZARDS ONLY TTE 0 IN ACCORDANCE WITH UL 60601 1 AND CAN CSA C22 2 CAN CSA C22 2 NO 601 1 NO 601 1 This applies only to the instrument that has the certification symbol printed explicitly on the product label Auto Ref Keratometer MRK 3100P 7 2 Safety Information 2 1 Introduction Safety is everyone s responsibility The safe use of t
13. Press the power switch of the instrument to on Confirm that the booting screen is displayed and then the measurement screen will be displayed in a few seconds W Attach the model eye Remove the chin rest tissue and align the holes on the base of the model eye with the holes on the chin rest and insert pins Release the stage lock Fully turn the Clamping Bolt underneath the cover beside the chin rest in the counterclockwise direction And fully turn the stage holding dial in the lower part of the joystick in the counterclockwise direction to release the stage lock Eye Figure 6 Connection of the Power cable Figure 7 Attach the Mode Eye Figure 8 Release the Stage rock Auto Ref Keratometer MRK 3100P 23 W Enter or REF Mode If neither K R nor REF are displayed on the monitor press MODE button until either one is displayed W Adjust the position and focus the model eye Operate laterally or turn the operation lever until the target model eye is in the center of the monitor screen and a bright dot appears near the Inner Alignment Ring Place the Bright Dot in the center of Inner Alignment Ring Focus the model eye to make the Bright Dot minimum size and then the target symbol Q is appeared on the screen automatically if you set FOCUS option to be ON in Setup mode See Section 9 3 1 Adjustment of the height turn the operation lever or turn the height adjustment leve
14. cannot be measured accurately 5 Measurement Press the measurement button to freeze the window Press the AUTO button or the DISPLAY button to select the vertical R bar or L bar you want to move Press the SETL 4 button or the SETR button to move the selected vertical bar The Measured value will be displayed on the monitor Save the measured value by pressing Measurement button Measured value is shown under 1 as well as AVG on the top of the window If the MODE button is pressed freezed window is released and 2 will be selected on top of the window in the white bar Pressing the MODE button enables the selection of 1 or 2 in turn In case there are some mistakes in the previous 1 measurement 1 can be selected again 6 Auto Ref Keratometer MRK 3100P 59 Measurement Bar Iris RE AUTO DISP SETC SETR MEA BAR RBAR lt Upper row name of button Lower row function End of the SIZE MODE CAP Capture Image SAP Save Measured Value To move the vertical Bar to the right To move the vertical Bar to the left To select the right vertical Bar To select the left vertical Bar To select the Entry of measured value Figure 32 Size Mode Information 6 Repeated Measurement Repeat the measurement of the Entry 1 or 2 if necessary Repeat procedures 2 3 again 60 Auto Ref Keratometer MRK 3100P Measured
15. each cornea measured results R1 R2 AX gt K1 K2 AX AR CY AX 6 Auto Ref Keratometer MRK 3100P 45 Iris Pupil Alignment Ring Mire Image Figure 22 KER Mode Display 3 Follow the same procedure of the simultaneous Keratometry and Refractometry K R Mode Print See Step in Section 8 1 1 46 Auto Ref Keratometer MRK 3100P NAME HUVITZ MRK 3100P DATE 20 NO KER lt R gt mm 7 97 Huvitz Co Ltd 82 31 442 8868 Figure 23 Example of printout KER 8 3 2 Auto Start Mode You can enter Auto Start Mode by pressing Auto Button from Manual Start Mode You can disable Auto Start Mode by setting the option of AUTO START to OFF in Setup Mode See Section 9 3 In Auto Start Mode measurement starts automatically as being set in Setup Mode See Section 9 3 without pressing measurement button when the alignment is performed properly D Perform alignment and Focusing See of Section 8 1 2 2 Measurements start automatically See Step in Section 8 1 2 3 Print See Step in Section 8 1 2 _ ____ Auto Ref Keratometer MRK 3100P 47 8 4 Contact Lens Base Curve CLBC Measurement mode Base curve posterior curve of hard contact lens can he measured in the CLBC mode 1 Make sure the measurement screen is on 2 Enter CLBC Mode Press the MODE button until CLBC is displayed on the lower
16. left side of the display 3 Attach Contact Lens Fill water in the concave section of contact lens holder and paste the contact lens to the holder with the concave surface upward The contact lens adheres by surface tension Take care that the contact lens is not attached inclined and bubbles are not allowed in between Also keep the measured lens surface free of water drops Figure 24 Attach Contact Lens 4 Attach Keratometry Model Eye Remove the chin rest paper Insert the model eye into chinrest tissue pins to place the contact lens to face the measurement window 5 Alignment and Focusing Turn the operation lever so that the Mire Image is concentric with the Outer Alignment Ring looking at the monitor Focus on the contact lens for the Mire Image to be displayed clearly on the monitor Figure 25 Attach Model Eye 48 Auto Ref Keratometer MRK 3100P 6 Measurement Press the Measurement button Measurement will be continuously performed while the Measurement button is pressed Measurement results will be displayed on the monitor The axial angle of the base concave curve of contact lens is reversed from the normal convex corneal curvature measurement MANUAL Figure 26 CLBC Mode Display 7T Print Press the PRINT button Auto Ref Keratometer MRK 3100P 49 8 5 Intraocular Lens IOL Measurement Mode In the case of eye with IOL reflecting light from its surface cataracts wit
17. lock the system stage to the base 6 Auto Ref Keratometer MRK 3100P 19 Figure 3 Operation Panel 1 MODE Button To change measurement mode 2 SIZE Button To measure the size of the cornea 3 IOL Button To measure the examinee s eyesight with cataract or intraocular lens IOL 4 Ret ILLUM Button To check the status of the cornea crystalline lens and contact lens by freezing images obtained by retro illumination 5 AUTO Button To switch manual or automatic measurement mode 6 DISPLAY Button To display the measured results 7 PRINT Button To print the measured results 8 9 SET Button To change the display style of the measured results 10 VD Button To change the VD Vertex Distance value 11 CHART Button To select a chart from 3 charts A B and C type 20 Auto Ref Keratometer MRK 3100P 6 Installation and Preparation 1 Release stage lock Fully turn the Clamping Bolt in the underneath cover beside the chin rest in the counterclockwise direction And turn the stage holding dial in the lower part of the joystick in counterclockwise direction to release the stage lock 2 Connection of the Power Cable Place the Auto Ref Keratometer MRK 3100P on the table Plug the power cable to the grounded 3 pin AC receptacle Connect the power supply after checking that the power switch is off Figure 4 Connection of the Power
18. 3 8 3 Keratometry KER 44 8 31 Manual Start Mode meth ee tere det 44 8 3 2 Auto Start e teri er I Ren 46 8 4 Contact Lens Base Curve CLBC Measurement mode 47 8 5 Intraocular Lens IOL Measurement Mode 49 8 6 Ret ILLUM Measurement 50 8 6 1 Alignment and Focusing 50 8 6 2 P 54 8 06 33 EAE AE 55 8 6 4 Observation of the opposite 56 8 6 5 Displaying of Saved Images 56 8 6 6 Return to the measurement mode sss 56 Other Measurement Modes eese nnn nnn nnns nnn nnns 57 9 1 Cornea Diameter Measurement SIZE 57 9 2 DISPLAY cede e eie dee ete be dr d erede nde 61 9 3 USer SETUP crt et e te pate e a ees 63 9 4 Power Saving ed e eee e REA REC tert 73 LICHE E 74 10 1 Replacing Printing 74 4 Auto Ref Keratometer MRK 3100P
19. Mode Keratometry KER Mode Contact Lens Base Curve Measurement CLBC Mode Refractometry Vertex Distance VD 0 0 12 5 13 5 15 0 25 00 22 000 at the vertex distance of 12mm Cylinder Power CYL oe between 0 12 and 0 25D Axis AX 1 180 Increments 1 Cylinder Form MIX Pupil Distance PD 10 85mm Minimum Pupil Diameter 02 2mm Keratometry Radius of Curvature 5 0 10 2mm Increments 0 01mm 33 00 67 50D Increments 0 05 0 12 0 25D when cornea equivalent refractive index is 1 3375 Corneal astigmatism 0 00 15 00D Increments 0 05 0 12 0 250 Axis 1 180 Increments 1 Corneal Diameter 2 0 14 0mm Increments 0 1mm Sphere Power SPH Corneal Power Auto Ref Keratometer MRK 3100P 81 Memory of Data 10 measured value for each right and left eye Hardware Specification Internal Printer Uses thermal line printer Monitor 6 inch monochrome monitor Power Input 100 240V 50 60Hz 1A Power Consumption Approximately 100VA Fuse 250V T3 15AL Size 300 W x 500 D x 430 H mm Weight Approximately 20kg 82 Auto Ref Keratometer MRK 3100P 13 Components List Auto Ref Keratometer MRK 3100P Main Unit mme 1 Power Cable m ee eee ee ete ee eet de desee Ene ee e ER E D E ugue Eae 1 RR 1 Chin Rest Paper eee eee eee ee ee eee about 100 sheets Printing Paper eee eee ee
20. Operator s Manual Auto Ref Keratometer MRK 3100P Auto Ref Keratometer MRK 3100P 1 IMPORTANT NOTICE This product may malfunction due to electromagnetic waves caused by portable personal telephones transceivers radio controlled toys etc Be sure to avoid having objects such as which affect this product brought near the product The information in this publication has been carefully checked and is believed to be entirely accurate at the time of publication HUVITZ assumes no responsibility however for possible errors or omissions or for any consequences resulting from the use of the information contained herein HUVITZ reserves the right to make changes in its products or product specifications at any time and without prior notice and is not required to update this documentation to reflect such changes 2002 2003 HUVITZ Co Ltd 689 3 Geumjeong dong Gunpo si Gyeonggi do 435 862 Republic of Korea rights are reserved Under copyright laws this manual may not be copied in whole or in part without the prior written consent of HUVITZ Co Ltd Document Number 90000MRK001 A published in 2006 07 20 Auto Ref Keratometer 3100 Contents tissime M 5 1 1 Outline of the instrument sissa naia a e nnne nenne 5 145222 88S I TICallOLi O 5 13 GertifiCatiOn
21. P 27 8 1 Simultaneous Keratometry and Refractomery Mode K R Mode In the K R mode keratometry is automatically performed before refractometry 1 Turn the power ON Initial checks of the instrument start automatically When the checks are completed the monitor screen will be shown as in the figure NO 00001 MANUAL Display the mode Figure 11 Initial Display 28 Auto Ref Keratometer MRK 3100P 2 Make sure the measurement screen is on e Ifthe monitor screen is not shown as in the above figure turn the power OFF and turn it ON again after about 10 seconds e Ifthe screen still doesn t show up then contact Huvitz distributor e Ifthe image is unclear adjust brightness or contrast by using adjusters See section 5 1 3 Check the settings Check and change the settings concerning measurements including vertex distance and printing as required If you want to print message with the measured data enter it 4 Enterthe K R Mode Press the MODE button until K R is displayed on the lower left side of the display 8 1 1 Manual Start Mode You can enter Manual Start Mode by pressing Auto Button from Auto Start Mode You can disable Auto Start Mode by setting the option of AUTO START to be OFF in Setup Mode See Section 9 3 D Adjust height of examinee s eye Let the patient sit in front of the instrument Au
22. apture the image If the image is not good press IOL switch to return to Freeze window and try again Measure The Refraction and Capture The Image Freeze Ref Window Press Mode button to enter the Freeze Ref window in Freeze window Pressing the Mode button will return to Freeze window After the image is focused by positioning the Bright Dot to the section that is not opaque press the measurement button to capture the image and the measured refraction the image is not good press IOL switch to return to Freeze Ref window and try again NOTE e In alignment and focusing process after popping up a small window by pressing AUTO button align and focus this instrument for 6 dots in the small window to be more bright and symmetric in order to increase the reliability of measurements of refraction See Section 8 6 1 e Measurement errors may occur due to aberration generated by the eccentricity or due to influence of opacity 8 6 3 Store To store the image into memory press measurement button A maximum of two images can be stored for each eye Press IOL switch in order to return to Freeze or Freeze Ref window without storing the image 56 Auto Ref Keratometer MRK 3100P 8 6 4 Observation of the opposite eye Observe and store the image of the opposite eye 8 6 5 Displaying of Saved Images D Press DISP button to enter image display m
23. arget Focus Bright Dot so that target symbol appears on the screen if you set FOCUS option to in Setup mode see Section 9 3 Measurement Press the measurement button Measurements will be performed continuously while the Measurement button is pressed Tris Pupil Alignment Ring minimum pupil diameter 2 2mm Figure 19 REF Mode Display 42 Auto Ref Keratometer MRK 3100P e During continuous refractometry there are some measurement errors because of the accommodation of examinee s eye Also continuous measurement in IOL mode may be worse because of the incomplete removing of the accommodation of examinee s eye There can be errors if the Outer Alignment Ring and the pupil is unaligned 3 Follow the same procedure 3 5 in the Manual Start Mode of the simultaneous Keratometry and Refractometry mode K R Mode Print See step of Section 8 1 1 NAME 10 00 0 00 10 00 0 00 AVE 9 75 0 00 638mm td 31 442 8868 Figure 20 Example of printout EC EE DM Auto Ref Keratometer MRK 3100P 43 8 2 2 Auto Start Mode You can enter Auto Start Mode by pressing Auto Button from Manual Start Mode You can disable Auto Start Mode by setting the option of AUTO START to OFF in Setup Mode See Section 9 3 In Auto Start Mode
24. cable 3 Inserting Chin Rest Tissue Pull up the pressing pins in right and left part of the chin rest Insert the pressing pin into the right left hole of the chin rest tissue Attach the chin rest paper with pressing pin to chin rest Figure 5 Inserting Chin Rest Tissue Auto Ref Keratometer MRK 3100P 21 4 Printer Paper Setting See Section 10 1 to know the load sequence of the printer paper 5 Input Message Enter in advance the contents that you want to print such as hospital name address etc in the message editing window See Section 9 3 to refer to the message input method 6 Checking the Setting Check the setting such as vertex distance of cornea cylinder form increment of sphere and cylinder form of displaying results of keratometry corneal equivalent refractive index date etc in the SETUP Mode window 7 Data Transfer to Other Instruments In the case of transferring the measured results to other instruments first connect the cable to the interface connector of this instrument and then prepare the other instruments For further information about it including networking with other Huvitz instruments such as CDR3100 and CLM 3100P etc consult the dealer or the agent who where you purchased this instrument 22 Auto Ref Keratometer MRK 3100P 7 Operations using Model Make sure the power cable is properly connected For connection see connection of the power cable as in Figure
25. ccordance with the instructions may cause harmful interference to other devices in the vicinity However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to other devices which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving device Increase the separation between the equipment Connect the equipment into an outlet on a circuit different from that to which the other device s are connected Consult he manufacturer or field service technician for help External equipment intended for connection to signal input signal output or other connectors shall comply with relevant IEC standard e g IEC 60950 for IT equipment and IEC 60601 series for medical electrical equipment In addition all such combination systems shall comply with the standard IEC 60601 1 1 Safety requirements for medical electrical systems Any person who connects external equipment to signal input signal output or other connectors has formed at system and is therefore responsible for the system to comply with the requirements of IEC60601 1 1 If in doubt contact qualified technician or your local representative 14 Auto Ref Keratometer 3100 3 Features 1 Va
26. diagram to the results of Refractometry are printed OFF Not printed PRINT FONT SIZE Size of the letter to be print out SMALL Half size font is used MEDIUM Normal size font is used LARGE Double size font is used Auto Ref Keratometer MRK 3100P 69 3 Customized Measurement Mode MODE REF POWER ON KER K R CLBC AUTO START MODE OFF TYPE ON 3 LANGUAGE SELECTION LANG ENGLISH MODE SIZ MEN ILM AUTO DISP SETL SETR Upper row Name of button PAGE END SAV UP DOWN lt LE rim Lower row function mark means no function There is no function To changed the contents To changed the contents To changed the item To changed the item To save the contents To quit the SETUP mode and return to the measurement mode There is no function To the next page Figure 38 Setup Mode Information page 3 How to Change the Page Press MODE button to move to the next page How to Change the Item Pressing the AUTO button brings the cursor to upper item and pressing the DISPLAY button moves the cursor to the lower item How to Change the Contents If you press the 4 button or the button the contents will be changed The selected content will be shown in reverse highlighted characters 70 Auto Ref Keratometer MRK 3100P How to Store the Contents Press the ILM button to save the contents How to Ente
27. e Manual Any additional maintenance may only be performed by Huvitz s service technicians or other authorized persons 6 The manufacturer is only responsible for effects on safety reliability and performance of this equipment when the following requirements are fulfilled 1 The electrical installation in the respective room corresponds to the specifications stated in this manual and 2 This equipment is used operated 12 Auto Ref Keratometer 3100 10 11 12 13 14 15 16 17 and maintained according to this manual and Service Manual The manufacturer is not liable for damage caused by unauthorized tampering with the device s Such tampering will forfeit any rights to claim under warranty This equipment may only be used together with accessories supplied by Huvitz s If the customer makes use of other accessories use them only if their safe usability under technical safety aspects has been proved and confirmed by Huvitz or the manufacturer of the accessory Only persons who have undergone proper training and instructions are authorized to install use operate and maintain this equipment Keep the User s Manual and Service Manual in a place easily accessible at all times for persons operating and maintaining the equipment Do not force cable connections If a cable does not connect easily be sure that the connector plug is appr
28. e instrument to let 6 points appear more bright and symmetric NORMAI Picture in Picture Display of 6 Points Automatically wedsured data Figure 30 6 Point Display 54 Auto Ref Keratometer MRK 3100P DISP Two retro illumination images for each eye that were captured and saved by MEA button can be displayed simultaneously by pressing DISP button Each image in DISP window can be selected by pressing SETL or SETR button and expanded by pressing MODE button Moreover the expanded image can be printed by PRINT button Using Mode button DISP window will be returned SETL Decrease by 1 step of Ref LED Power SETR Increase by 1 step of Ref LED Power Pressing Ret button will end Ret measurement mode to return to the previous measurement mode 8 6 2 Observation D Adjust the brightness of refractometry LED Press SETL or SETR button to change the power of refractometry LED by step 1 for each in order to see the image clearly 2 Observe The Image Position the light to be retro reflected from the cornea to the section that is not opaque by using the operation lever If the light is directed at the edge of the pupil it will be more efficient to observe the image For safety of examinee s eye avoid observation for more than 30 seconds H Auto Ref Keratometer MRK 3100P 55 Capture The Image Freeze Window After the image is focused press measurement button to c
29. erent in value according to the type of chart to be used since each chart has different brightness and size Except for patients with cataract or weak eyesight it would be better to choose type A chart Hold the operation lever and move the main body to the operator side Slide laterally or turn the operation lever so that the right eye of the examinee is displayed on the center of monitor screen and the Mire Ringis concentric with the Outer Alignment ring Askthe examinee to look at the image of the eye fixation target Focus on the Mire Ring so that the Mire Ring image is displayed clearly Adjustment of the height turn the operation lever or turn the height adjustment lever of the chin rest Adjustment of the right and left Move the operation lever left and right so that the Outer Alignment Ring is aligned with the Mire Image Figure 13 Adjustment of the Height Adjustment of the focus Move the operation lever forward to focus the Mire Image so that target symbol o appears on the screen if you set its option to be ON in Setup mode See Section 9 3 Auto Ref Keratometer MRK 3100P 31 Pupil Distance Manual Auto Chart Type Tris Pupil Outer Alignment Ring minimum pupil diameter 2 2mm Mire Image Figure 14 K R Mode Display e Slide the stage forward backward and right left if you are unsatisfied with the operation lever control e Ifthe Mire Image and pupil are not c
30. f any potential hazards The classifications and symbols are shown below Save this instruction I and on power switch represent ON and OFF respectively Type B Isolated patient connection This symbol identifies a safety note Ensure you understand the function of this control before using it Control function is described in the appropriate User s or Service Manual LII Identifies the point where the system safety ground is fastened to the chassis Protective earth connected to conductive parts of Class I equipment for safety purposes Disposal of your old appliance 1 When this crossed out wheeled bin symbol is attached to a product it means the product is covered by the European Directive 2002 96 EC 2 electrical and electronic products should be disposed of separately from the municipal waste stream via designated collection facilities appointed by the government or the local authorities 3 The correct disposal of your old appliance will help prevent a potential negative consequences for the environment and human health 4 For more detailed information about disposal of your old appliance please contact your city office waste disposal service or the shop where you purchased the product Auto Ref Keratometer MRK 3100P 9 2 3 Environment factors Avoid the following environments for operation or storage Where the equipment is exposed to water vapor Don t
31. g dirt or other materials on the lens by wind blower Auto Ref Keratometer MRK 3100P 77 10 6 Storage If you leave the Auto Ref Keratometer MRK 3100P without using it for long periods disconnect the power supply and protect the unit with dust cover 10 7 Moving the Instrument D Turn OFF the power switch Disconnect the power cable Close the stage holding dial in the clockwise direction Move this machine holding the lower part of the main body to keeping it horizontal 10 8 Disposal NOTE D To dispose the instrument accessories and components follow local governing ordinances and recycling plans regarding disposal or recycling of instrument or device components Especially a lithium battery may pollute the environment if the instrument or a lithium battery is abandoned D When disposing packing materials sort them by the materials and follow local governing ordinances and recycling plans 78 Auto Ref Keratometer MRK 3100P 11 Troubleshooting Warning messages will be displayed on the monitor if some problems occur It might be operation errors or problems of the machine In this case refer to the following instructions If the function is still not salvaged or recovered disconnect the power supply and consult the dealer 11 1 Message When Power On Message Cause Remedy Motor Error EEPROM Error EEPROM Data Error System Error Internal err
32. h unclear crystalline lens and small pupils there can be some errors in the result of refractometry Press the IOL button to measure in such cases If the examinee s cataract is advanced measure and observe the eye in Retro Illum mode See Section 8 6 1 Make sure the measurement screen is on 2 Enter the K R mode or REF mode Press MODE button until K R or REF is displayed on the lower left side of the display 3 Follow the procedure D of Section 8 2 1 4 Enter the IOL mode Press the IOL button 5 Measurement Press the Measurement button Measurements will be performed continuously while the Measurement button is pressed During the measurement lt mark will be displayed before C character If measurement is performed after switching the IOL switch ON OFF the previous data will be erased 50 Auto Ref Keratometer MRK 3100P 8 6 Ret ILLUM Measurement Mode Retro Measurement Mode is useful in the following case 1 In this mode not only can eye with cataract or scratches on its cornea be diagnosed but also its refraction power can be measured automatically The pattern of illumination reflected from the retina is used to test the opacity of crystalline lens of cataract eye or the scratches on the cornea with the variation of the Ref LED power If the opacity of crystalline lens is not severe the measurement of refraction power is p
33. he Instrument 1 10 Do not hit or drop the instrument The instrument may be damaged if it receives a strong impact The impact can damage the function of this instrument Handle it with care Install this instrument on a level stabilized table with no vibration to keep it normal state Exposure to direct sunlight or very bright indoor lights can influence the results of measurements If you want to connect this with other equipment consult the dealer Sudden heating of the room in cold areas will cause condensation of vapor on the protective glass in the measurement window and on optical parts inside the instrument In this case wait until condensation disappears before performing measurements Keep clean the objective glass of the examinee side If it is stained with other substance it may cause an error or inaccurate measurements Don t use organic solution such as thinner benzene etc to clean the surface of this instrument It may damage the instrument When moving the Auto Ref Keratometer MRK 3100P fix the stage always check whether the power supply is off and then lift the bottom of the unit with both hands There is a risk of explosion if an incorrect type of battery is used Dispose used batteries according to the instructions Disconnect the power supply and consult the dealer in case of smoke strange odors or noise during operation Auto Ref Keratometer MRK 3100P 17 5 Configurations 5 1
34. he examinee to look at the image of the eye fixation target Focus on the Mire Ring so that the Mire Ring image is displayed clearly Measurement When alignment and focusing are performed properly measurement starts automatically After measurement is performed many times as being set in the Setup Mode i e 3 or 5 times the newest results will be displayed on the monitor screen A maximum of 10 newest data will be stored in the memory and it can be displayed in the screen by pressing the Display Mode n Auto Ref Keratometer MRK 3100P 37 Wess VD 12 0 NO CENTER Measurement of the Other Eye Move the stage to the right side and measure the left eye After both eyes are measured pupil distance PD will be displayed on the monitor Print If you have measured only one eye press Print button If both eyes are measured the results will be printed automatically if A PRINT is set to in Setup Mode The selected message in the SETUP mode and data will be printed See Section 9 3 38 Auto Ref Keratometer MRK 3100P 8 1 3 Various Messages range 15 73D Display Name Meaning Remedy Mark of low Measured value with Measure again confidence level low confidence level OUT Exceed measurement Sphere exceeds 22D Impossible to Refracto range measure metry OUT Exceed measurement Sphere exceeds 25D range COUT Exceed measurement Ast
35. his equipment is largely dependent upon the installer user operator and maintainer It is imperative that personnel study and become familiar with this entire manual before attempting to install use clean service or adjust this equipment and any associated accessories It is paramount that the instructions contained in this manual are fully understood and followed to enhance safety to the patient and the user operator It is for this reason that the following safety notices have been placed appropriately within the text of this manual to highlight safety related information or information requiring special emphasis All users operators and maintainers must be familiar with and pay particular attention to all Warnings and Cautions incorporated herein VAN tc Warning indicates the presence of a hazard that could result in severe personal injury death or substantial property damage if ignored Note describes information for the installation operation or maintenance of which is important but hazard related if ignored VAN IS Caution indicates the presence of a hazard that could result in minor injury or property damaged if ignored 8 Auto Ref Keratometer MRK 3100P 2 2 Safety Symbols The International Electrotechnical Commission IEC has established a set of symbols for medical electronic equipment which classify a connection or warn o
36. igmatism exceeds range 10D 4 Mark of low Measured value with Measure again confidence level low confidence level OUT Exceed measurement Radius of curvature Impossible to Kerato range exceeds 10 2mm measure metry OUT Exceed measurement Radius of curvature is range smaller than 5 2mm COUT Exceed measurement Astigmatism exceeds See the following description when TRY AGAIN occurs TRY AGAIN Trouble Shooting Alignment is improper properly Measure after aligning the pupil and focusing the Bright Dot When the eyelid or the eyelashes obstructs the pupil eyelid upward and measure again Instruct the examinee to open his or her eyes wide or slide Auto Ref Keratometer MRK 3100P 39 When the pupil is smaller than the Outer Alignment Ring Even with the minimum pupil diameter of 2 2mm it is possible to measure in the bright place However don t expose examinee s eyes to direct sunlight or too bright indoor lights in order to prevent the contraction of examinee s pupil When the examinee has some illness like cataracts If cataract is not severe measurement can be performed in IOL mode The examinee with intraocular lens IOL Measure in the IOL mode when there are some defects in the cornea or crystalline lens When the Mire Image is blurred because of tears When the Mire Image is not clear because the cornea is dry
37. l number is used or not NO Setting of the serial number Function characters under PRT will be changed from to RST But will be displayed again if the item changes Serial number will be set to 0 if pressing the PRINT button Pressing the button or the button decrease or increase Serial number by 1 DATE Time and date Function character under PRT will be changed from to 1 But will be displayed again if the item changes Pressing the button or the button renders the selected part to be changed The selected part will be increased by 1 if the PRINT button is pressed decreased by 1 if the CHART button is pressed 1981 2080 Year 01 12 Month 01 31 Day 00 23 Hour 00 59 Minutes 68 Auto Ref Keratometer MRK 3100P ORDER Sequence of displaying the date YMD Year Month Day MDY Month Day Year DMY Day Month Year To select ON or OFF of beep R PRT Result of Refractometry to be printed out STD A maximum of the 10 newest measurement data and its average value for each eye AVE Average values only OF F Not printed K PRT Result of Keratometry to be printed out STD A maximum of the 10 newest measurement data and its average value for each eye AVE Average values only OFF Not printed EYE ON A sketch of eyeball and refraction
38. measurements start automatically as being set in Setup Mode See Section 9 3 without pressing measurement button when the alignment is done properly D Perform alignment and Focusing See Step D in Section 8 1 2 2 Measurement starts automatically See Step in Section 8 1 2 VD 12 0 NO CENTER Figure 21 Auto Start in REF Mode 3 Results will be printed automatically Step in Section 8 1 2 44 Auto Ref Keratometer MRK 3100P 8 3 Keratometry KER Mode Only the curvature of the cornea can be measured in KER Mode Don t measure the base curve of contact lens in this mode See Section 8 4 to refer to the contact lens base curve measurement mode 1 Make sure the measurement screen is on 2 Enter KER Mode by pressing the MODE button until KER is displayed in the lower left side of the display 3 Check the settings 8 3 1 Manual Start Mode Perform alignment and Focusing See Step D and of Section 8 1 1 Measurement Press the Measurement button Measurement will be continuously performed while the Measurement button is pressed The measurement results will be displayed on the monitor Inthe case of continuous measurement the results of the newest measurement will be displayed When measurement results are displayed on the monitor repeated pressing of 4 or P button cycles through
39. nded by pressing MODE button as in Fig Below Moreover the expanded image can be printed Using Mode button DISP window will be returned No 00000 Serial NO Right Side Eye REF 24 Power Degree of REF LED MODE AUTO DISP SETL RT Upper Switch Button ZOOM END cai tea Lower Function Figure 29 Retro Illum Display Zoom Auto Ref Keratometer MRK 3100P 53 SETL Decrease by 1 step of Ref LED Power SETR Increase by 1 step of Ref LED Power ILM Pressing Ret button will end Ret measurement mode to return to the previous measurement mode Freeze Ref window In Freeze window pressing Mode button will open Freeze Ref window in which refraction power of eye can be measured and displayed automatically with the retro illumination image reflected from the retina XOperation Menu MEA Pressing MEA button will capture the retro illumination image and the measured refraction power of eye to save in the memory MOD Pressing MOD button will change the window from Freeze Ref to Freeze and vice versa AUTO When Model Eye is tested pressing AUTO button lets another small window appear in which 6 bright circular spots are displayed If those 6 spots are bright and symmetrically located in this window its measured value of refraction power is reliable Therefore when the eye with cataract is measured it would be better to pop up this small window and align th
40. ode in order to display the stored images of both eyes 2 Each image in DISP window can be selected by pressing SETL or SETR button and expanded by pressing MODE button Moreover the expanded image can be printed 3 Using Mode button DISP window will be returned 8 6 6 Return to the measurement mode In Freeze or Freeze Ref window pressing Ret button will return to the measurement mode such as K R KER REF or CLBC measurement mode d Auto Ref Keratometer MRK 3100P 57 9 Other Measurement Modes 9 1 Cornea Diameter Measurement SIZE Mode Diameter of cornea can be measured in the SIZE mode for prescribing a pair of contact lens 1 Make sure the measurement screen is on 2 Focus the target eye 3 Enter the SIZE mode Press the SIZE button in the Measurement MODE Right Side Eye Iris Pupil Vertical bar Edge of Cornea AUTO DISP SETC SETR MEAS Upper row name of button AR RBAR lt gt CAP Lower row function ORDOS MIA SH 8 SAV EG Figure 31 Size Mode Display 58 Auto Ref Keratometer MRK 3100P 4 Positioning and Focusing Ask the examinee to look at the target image of the eye fixation chart Control operation lever to align the pupil between the two vertical Bar Focus on the edge of the cornea so that the edge of the cornea is displayed clearly If you focus on the iris the pupil diameter
41. of button ADD END SAV CHG LINE lt gt DEL ansias mark means no function To delete the input character To select the right character of input To select the left character of input To change the row of input character To change the position of input To save the contents To quit the SETUP Mode and return to the Measurement Mode To input the selected characters To the next page 71 72 Auto Ref Keratometer MRK 3100P Figure 40 Setup Mode Information page 4 Enter a message to be printed out with the results of measurement using the internal printer in this window You can print a messages of 26 characters x 2 lines How to Change the Page Press MODE button to move to the next page Position Cursor The cursor blinking in the upper area indicates the input position Press the AUTO button to change the row of the blinking cursor Character Cursor The selected characters by the character cursor will make a message Press the DISPLAY button to change the row of the character cursor Pressing 4 button or P button moves the position of the cursor to the right or left Input of Messages Press the SIZE button to add the selected characters in the position of the blinking cursor Deletion of Messages If you press the PRINT button the character in front of the blinking cursor will be deleted How to Save the Conten
42. oncentric instruct the examinee to look at the image in the center of the chart picture Otherwise measurement error may occur due to aberration 32 Auto Ref Keratometer MRK 3100P 3 Measurement Press the Measurement button Measurements will be continuously performed while the Measurement button is pressed The measurement results will be displayed on the monitor In the case of the continuous measurement the results of the previous measurement will be displayed When measurement results are displayed on the monitor repeated pressing of 4 or P button cycles through each cornea measured results R1 R2 AX gt K1 K2 AX gt AR CY AX Vertex distance Serial Number Axis Axis on minimum meridian Cylinder Radius of curvature on maximum Sphere Radius of curvature on minimum Number of measurerement Figure 15 K R Display Information Auto Ref Keratometer MRK 3100P 33 NOTE e During continuous refractometry there are some measurement errors because of the accommodation of examinee s eye Also continuous measurement in IOL mode may be worse because of the incomplete removing of the accommodation of examinee s eye e There can be errors if the Outer Alignment Ring and the pupil is unaligned e When the cornea or pupil is extremely deformed measured values may be less reliable and the low reliability mark will appear in the end of
43. operate an equipment with a wet hand Where the equipment is exposed to direct sunlight Where the temperature changes extremely Normal operating temperature range is from 10 C to 40 C Humidity is from 30 to 75 Where it is near the heat equipment Where the humidity is extremely high or there is a ventilation problem Where the equipment is subject to excessive shocks or vibrations 10 Auto Ref Keratometer MRK 3100P Where equipment is exposed to chemical material or explosive gas Be careful not to be inserted dust especially metal Don t disassemble the product or open We aren t responsible for it for nothing Be careful not to close the fan located on the lateral or back side of the equipment Don t plug the AC power cord into the outlet before the connection between devices of the equipment is completed This can generate the defect Pull out the power cord with holding the plug not the cord Avoid places where the ambient temperature falls below 10 C or exceeds 40 C for normal operation or below 10 C or exceeds 40 C 14 104 for transportation and storage Humidity should be maintained between 30 and 7596 for normal operation transportation and storage Avoid environments where the equipment is exposed to excessive shocks or vibrations Auto Ref Keratometer
44. opriate for the receptacle socket If you cause any damage to a cable connector s or receptacle s let the damage s be repaired by an authorized service technician Please do not pul on any cable Always hold on to the plug when disconnecting cables This equipment may be used for the international application related to Refractometry and Keratometry according to this manual Before every operation visually check the equipment for exterior mechanical damage s and for proper function Do not cover any ventilation grids or slits Immediately turn off and unplug any equipment that gives off smoke sparks strange noises or odors Battery serving Danger of explosion if battery is incorrectly replaced Replace 20 21 Auto Ref Keratometer MRK 3100P 13 only with the same or equivalent type recommended by the manufacture Dispose of used batteries according to the manufacture s instructions Handle with care High vacuum picture tube is dangerous to handle Refer servicing to qualified personnel X RAY WARNING When picture tubes are operated at very high voltage and when personal exposure is prolonged at close range special shielding precautions against x ray radiation may be needed Instruction to the operator Not to touch signal input signal output or other connectors and the patient simultaneously This equipment generates uses and can radiate radio frequency energy and if not installed and used in a
45. or Turn OFF the power switch and turn on again after 10 seconds If the message appears again consult the dealer KER Keratometry is invalid Clock Error INVALID SETUP DATA meal Setup Data for Consult the dealer Refractometry is invalid REF INVALID SETUP DATA Internal Setup Data for Consult the dealer 11 2 Message On Measuring Auto Ref Keratometer MRK 3100P 79 Message Cause Remedy TRY See Section 8 1 3 See Section 8 1 3 AGAIN Objective glass in the measurement window is dirty Clean the glass OUT Sphere of examinee s eye is over 22 Impossible to measure Radius of curvature is over 10 2mm Objective glass in the measurement window is dirty Clean the glass OUT Sphere of examinee s eye is over 25D Impossible to measure Radius of curvature is under 5 0mm Objective glass in the measurement window is dirty Clean the glass COUT Astigmatism is over 10D Impossible to measure Corneal stigmatism is over 15D Objective glass in the measurement window is dirty Clean the glass 11 3 Message On Printing Message Cause Method to deal with PRINTER PAPER EMPTY No printing paper Load roll of printing paper 80 Auto Ref Keratometer MRK 3100P 12 Specifications Modes Continuous Keratometry and Refractometry K R Mode Refractometry REF
46. ossible when the six illumination points reflected from the retina are bright and symmetric 2 Aflaw in the intraocular lens and the scratches on contact lens can also be monitored in this mode 8 6 1 Alignment and Focusing D Perform alignment and focusing See section Step D of Section 8 1 1 Selection of Ret ILLUM measurement mode Press Ret button to display Freeze window Auto Ref Keratometer MRK 3100P 51 Left Side Eye Power Degree of REF LED Iris Pupil Bright Dot Observation Mode Upper Swithch Button Lower Function Figure 27 Freeze window Freeze window When Ret ILLUM button is pressed Freeze window is displayed with the image pattern of illumination backscattered from the retina With this retro illumination image in this window the opacity of crystalline lens or the scratches on the cornea can be examined 52 Auto Ref Keratometer MRK 3100P Operation Menu MEA Pressing MEA button will capture the retro illumination image to save in the Memory MOD Pressing MOD button will change the window from Freeze to Freeze Ref and vice versa DISP Two retro illumination images for each eye that were captured and saved by MEA button can be displayed simultaneously by pressing DISP button Each image in DISP window can be selected by pressing SETL or SETR button and expa
47. r of the chin rest 2 Adjustment of the right and left incline the operation lever right and left so that the Bright Dot is placed at the center of Inner Alignment Ring 3 Adjustment of the focus Incline the operation lever forward and backward to focus the Bright Dot VD 12 0 Outer Alignment Ring Bright Dot Inner Alignment Ring Mire Image Figure 9 Aligning the Model Eye 24 Auto Ref Keratometer MRK 3100P Measurement 1 Manual Start Mode D Adjust the position and focus the model eye 2 Press the Measurement button At this point if measurement is failed with messages like TRY AGAIN at the upper left position of the window repeat the procedure I and press the Measurement button again 9 Check whether diopter value is measured or not Diopter value is recorded in the bottom area of the model eye image If you are not satisfied with the measured value measure in the same way and check again 2 Auto Start Mode D Press the AUTO button on the operation panel to do measurements in the auto start mode as being set in Setup Mode See Section9 3 Adjust the position and focus on the model eye As soon as model eye is in focus properly measurement starts automatically Execute the same procedures of manual measurement Auto Ref Keratometer MRK 3100P 25 8 Measurement If any of the following phenomena occur immediately
48. r the button contents will be changed The selected content will be shown in reverse highlighted characters There are some contents changed in an other way And such procedures will be instructed with the description under each item How to Store the Contents Press the ILM button to save the contents How to Enter the Measurement Mode Press the IOL button to quit the SETUP mode and enter the Measurement mode Items VD Vertex distance CYL Cylinder form INC R Increment of sphere and cylinder D SFT Diopter Shift of Sphere Press the 4 button or the button to change the value of sphere by 0 12 Auto Ref Keratometer MRK 3100P 65 A PRT In AUTO START mode the measurement data is printed out automatically as soon as measurements about right and left eye are performed one after the other BPS Choose the rate of data transmission from 9600 57600 and 112500bps FOCUS Option of displaying target symbol which appears when focusing of target is attained in the measurement mode mm D Form of displaying result of keratometry Radius of curvature on maximum meridian mm R1 seen nnn Radius of curvature on minimum meridian AX cete Axis on the radius of curvature on maximum Meridian D s Refractive power on minimum meridian Kost tage Refractive power on maximum meridian AX eee Axis on minimum meridian AVG eee Average radius of curvature Corneal astigmatism
49. r the Measurement Mode Press the IOL button to quit the SETUP mode and enter the Measurement mode Items MODE AUTO START MODE TYPE LANG Assigns measurement order of Mode of REF CLBC First mode that is displayed when power is turned ON It cannot be set to OFF Second modes and after Assign First Measurement Mode and after Switch ON or OFF of AUTO START Measurement mode After moving the icon to this item by AUTO button or DISPLAY button set it to or OFF by SETL or SETR button ON A Continuously measure in AUTO START if the condition of alignment and focusing is acceptable ON 3 Measure only 3 times in AUTO START mode if the condition of alignment and focusing is acceptable ON 5 Measure only 5 times in AUTO START mode if the condition of alignment and focusing is acceptable The character language can be chosen among several languages supported by this instrument such as English Chinese Spanish Germany and French After moving the icon to this item by pressing AUTO button or DISPLAY button one language can be chosen 4 or button d Auto Ref Keratometer MRK 3100P REF POWER ON KER K R CLBC OFF ON 5 tx MODE SIZ MEN ILM AUTO DISP SETL SETR PRT AR 88 E F C 2 Figure 39 Example of Language Selection 4 Messages for Internal Printer MODE PAGE SIZ MEN ILM AUTO DISP SETL SETR PRT Upper row Name
50. rious Measurements Available Both Refractometry and Keratometry can be measured with this instrument 2 Wide Measurement Range Because the Auto Ref Keratometer MRK 3100P model covers wide measurement ranges from 25D to 220 even an examinee with strong myopia can be measured 3 Minimum Pupil Diameter Refractometry can cover minimum pupil diameter up to 2 2mm 4 More Accurate Measurement You can measure more accurately because the fogging method of the eye fixation target makes the examinee s eye comfortable 5 Various Options You can select various options for displaying results of the measurement 6 Pupil Distance PD After finishing the measurement of both eyes you can get the value of pupil distance 7 Easy Connection with Other Equipment This instrument is designed to connect to other equipment such as a VCR or TV monitor Auto Ref Keratometer MRK 3100P 15 8 Retro Illumination The condition of cataracts and scratches on contact lenses can be observed in Retro Illumination mode A maximum of two images for each eye can be stored in the memory and displayed in the monitor screen to be shown to the patients 9 Software Option For connection to the computer customer management software will be provided Thus eyesight data and sales repository data can be managed automatically 16 Auto Ref Keratometer MRK 3100P Notes for Using t
51. to Ref Keratometer MRK 3100P 29 Ensure that the examinee has not placed his her hand or fingers under the chin rest Otherwise hand or fingers may be hurt Wipe the forehead rest with ethanol or glutaraldehyde solution to disinfect it each time a different examinee uses it in order to prevent infection Change the chin rest paper each time the examinee changes in order to keep the chin rest clean Adjust the automatic instrument table or the chair height so that the patient can sit on the chair comfortably Place his her chin on the chin rest and let his her forehead touch the forehead rest Turn the height adjustment lever for the eye of the examinee to be aligned with the height adjustment mark as indicated in the picture Figure 12 Height Adjustment Mark Perform alignment and focusing VANS Do not place your hand or fingers between the stage and base Also ensure that the examinee does not place his her hand or fingers there either Otherwise hand or fingers may be hurt Select the proper chart from 3 charts type A B and C by pressing the Chart button on the keypad Chart A can be chosen for normal eyes Chart B can be used for young children whose attention is easily lost and Chart C can be used for eyes with cataracts or weak eyesight 30 Auto Ref Keratometer MRK 3100P The measurement data of refractrometery may be diff
52. ts Press the ILLUM button to save the contents How to Enter the Measurement Mode Press the IOL button to quit the SETUP mode and enter the Measurement mode Auto Ref Keratometer MRK 3100P 73 9 4 Power Saving Mode If you keep this instrument idle for about 5 minutes in the measurement mode it will turn into the power saving mode READY LED will blink in the power saving mode Press any button to resume the Measurement Mode 74 Auto Ref Keratometer MRK 3100P 10 Maintenance 10 1 Replacing Printing Paper Replace the roll of printing paper as soon as possible after the red line appears on the paper D Open the printer cover 2 Cut off the paper that has been fed through the printer and pull it out Figure 41 Open the printer cover Take off the locking shaft by pulling out its handle Remove the of paper together with the rotating shaft and take the shaft out of the roll Insert the shaft into a new roll Load the roll of paper into the printer case Figure 42 Road the Paper roll 7 Push the paper in the slot of the printer and lock it by locking shaft taking care of the roll direction of paper Pull out of the paper top 7 8 cm Figure 43 Lock the Locking shaft Auto Ref Keratometer MRK 3100P 75 Pull out the end edge of the paper from the printer cover slot and close the cover
53. turn OFF the power unplug the power cord from the AC receptacle and contact a Huvitz distributor e When there is smoke an odd odor or abnormal sound When liquid has been spilled into the instrument or metal objects are dropped into it through an opening When the instrument has been dropped or damaged Modes are set as in the next Figure when the instrument is packaged by Huvitz However you can change the order of modes as you like in the Setup mode See Section 9 3 IOL button will be enabled at K R mode and REF mode only If the IOL button is pressed IOL measurement will be performed Press it again to return to the basic measurement mode During the refractometry reading you can change the data according to the VD Vertex Distance value By pressing the VD button your specified VD value or 0 VD value are alternated When there has been no operation for 5 minutes the power saving mode of the instrument starts Buzzer sounds when the instrument is entering or going out of this mode and Ready lamp blinks Press any one button in order to restore the function 26 Auto Ref Keratometer MRK 3100P MODE button SIZE button SIZE button MODE button Ret Illum Mode Ret Illum Mode Ret Mode MODE button DISPLAY MODE button Figure 10 Relation between buttons and Modes Auto Ref Keratometer MRK 3100
54. value 1 Measured value 2 SIZE MODE _ RIGHT 1 Average 1 2 LBAR RBAR lt Figure 33 Size Mode Display with Measurement 7 Measure the opposite eye Slide the stage with the operation lever to the other side And measure the other eye in the same way 8 Print Press Print button The result of corea diameter will be printed as CORNEAL SIZE item Auto Ref Keratometer MRK 3100P 61 9 2 DISPLAY Mode The stored data maximum 10 data for each eye can be displayed in this mode To enter the DISPLAY mode press the DISPLAY button in the Measurement Mode If you press the DISPLAY button again the mode will be returned to the Measurement Mode e If there is any Keratometry data pressing the button or the button yields the next page Press the PRINT button to print out the stored data And the data will be erased for the next measurement 1 Measured Result of Refractometry Maximum of 10 newest data items of the refractometry for both right and left eyes will be displayed PAGE 1 2 won t be shown on top of the window in the REF mode 63 RIGHT LEFT VD 12 0 SPH SPH CYL AX ee 75 ee eo 4 75 2 00 LI 75 0 00 ee 75 Measured value ee 4 75 leasured value of 75 Refractometry ee 75 75 ee 4 75 ee ee 4 75 eo Average Figure 34 Result of Refractometry 62 Auto Ref Keratometer MRK 3100P
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