User Manual ERK
Contents
1. Number of Step measurements size Cylinder form Right eye measurement result Shooting times Measurement mode Drawing 9 REF measurement screen 7 2 1 Additional functions a The buttons change when the FUNCTION button is pressed Drawing 10 Operating buttons diagram of REF b The respective values can be changed by pressing the VD STEP or CYL button c The measurement mode is changed to cornea curvature measuring mode or pupil observing mode by pressing the SIZE or ILLUM button 7 3 KER MODE In this mode the corneal curvature radius is measured Right eye Automatic Manual rem NO l shooting aun Patient a number Number of measurements Measurement result Shooting Measurement Mode Drawing 11 KER measurement screen 7 3 1 Additional functions a The buttons change when the FUNCTION button is pressed Drawing 12 E buttons diagram of KER b Press the D button to switch the keratometry values from mm R1 R2 to D K1 K2 c The measurement mode is changed to cornea curvature measuring mode or pupil observing mode by pressing the SIZE or ILLUM button Refractometer Keratometer ERK 7800 7 4 Keratometry and Refractometry RK Mode In this mode the corneal curvature radius and refraction power is measured at the same time Right eye Automatic Manual Patient shooting Number Steps Shooting time Cylinder form Measurement resul2. Measurement result of righ 6 06mm e Measurement eye 6 06mm K DER 6 06mm result of left 6 06mm y 4 E 4 mm eye Drawing 17 SIZE mode 7 6 1 Operating buttons a Press MENU to acess the user settings see section 8 2 b Press CLEAR to clear all size data c Press DATA to select the first or second measurement of the currently active eye The selected measurement is highlighted in orange This value will be overwritten with the next measurement d Press PRINT or the respective print button on the stage for printing depending on the software version installed e Press RETURN to return to the previous main measurement mode 7 6 2 Measurement a Follow steps 7 1 2 to 7 1 4 b Press the measurement button of the joystick to perform the measurement c For each eye two measurements can be performed icon 1 and 2 After the second measurement the average radius is shown icon AV Operation Manual 7 6 3 Determine Size Measurement Bar Drawing 18 SIZE Mode screen a After the measurement button on the joystick has been pressed the monitor picture freezes and two bars show up b Move the yellow bar to the left side of the pupil cornea using ic tBar Bar gt R Bar gt lt Move the blue bar to the right side using a The resulting radius in mm is shown on the SIZE icon Press the ZOOM button to switch between zoom levels 1x to 3x e Press the measurement
3. black printer unit and then push it up softly Keep the lid of the printer unit closed while inserting The paper will be drawn in automatically Make sure the printable side smoother side faces downwards at the insert c Insert the end of paper which comes out from the printer into he slit of the printer cover then close the cover If paper was not inserted enough pull it carefully by hand Please check paper type and size Paper type Thermal paper width 57mm external diameter 50mm 9 2 2 Replacement of chinrest paper if used a a Pull out the 2 holding pins on the chinrest b b Insert holding pins into the hole of chinrest paper more than 50 pcs available c cC Insert the 2 holding pins with the paper into the hole on the chinrest 9 2 3 Replacement of headrest paper if used a Headrest paper is attached to the forehead b After the measurement the paper is removed c After removing the headrest paper clean 1 2 times with a soft cloth 9 3 When Moving the Instrument a Turn OFF the power switch b Disconnect the power cable c Close the stage holding dial in the Colckwise direction d Move this machine holding the lower part of the mains to keep horizontally Refractometer Keratometer ERK 7800 9 4 Service Information 1 Repair If a problem cannot be solved even after taking the measures indicated in section 9 1 contact ERK 7800 representative or distributor for repair Please refer to the name pla
4. shows up on the screen The indicated result may vary depending on VD CYL KERATO settings 7 1 5 Continuous Measurement a Perform consecutive mesurements as desired b Latest data shows up after each shot c Press DISPLAY gt CLEAR button to clear previous data 7 1 6 Measure other eye a Push joystick to the other side of the stage b Icon colors of right and left eye are switched accordingly A bar below the outside ring marks indicate that the right eye is measured and disappears when measuring the left eye c PD value shows up on the screen after the measurement 7 1 7 Printing a Press PRINT button and print b Printed contents vary depending on the user settings 7 1 8 Automatic measuring a Press AUTO button MANU icon changes to AUTO and the number of automatic shots is shown b Follow steps 7 1 2 and 7 1 3 The measurement starts automatically when in good focus The remaining measurements are indicated below the AUTO icon Do not place hand or fingers under the chin rest This could result in damage or injury Pull the refractometer away from the patient when moving right or left otherwise the face could be injured Keep the objective glass on the examinee side clean If it is smudged it may cause inaccurate measurements Refractometer Keratometer ERK 7800 7 2 REF MODE Only refractometry is performed in the REF mode Right eye Automatic or manual shooting Patient number
5. white Press the arrow keys to change the value Press VD button to change the vertex distance Press the LED button repeatedly to change REF ILM illumination light TAR target LED Press RESET button to revert all values to the original readings Press EXIT button to return to the measuring mode Operation Manual 8 Other features 8 1 Display measured data 8 1 1 Display mode Enter the display mode by pressing DISPLAY button Drawing 23 Measured data display 8 1 2 Select data display by measurement mode Press the respective button to see data from refractometry REF keratometry KER and contact lens base curvature CLBC 8 1 3 Clear Data Press CLEAR button to delete all measured data Refractometer Keratometer ERK 7800 8 2 User setup Press MENU button to enter the user setup Choose items with button and set the value with button 8 2 1 Setup pages selection Press the PAGE button to switch through the four setup pages 8 2 2 Measurement setup MEASURE This page contains configuration values concerning the measurement functions USER SETTING PRINT SYSTEM AUTO REPEAT A ELA 7 _ 0 12 O f 0 0 10 0 12 0 13 5 15 AN Dl SPH SHIFT TI AAA fracc sf ff EXIT Drawing 24 Measurement setup KERATO Select indication style of keratometry RADIUS mm Corneal curvature DIOPT D Corneal refraction power AUTO START Choose the shooting mode
6. 00 3 3 Operation Manual Guidance and manufacturer s declaration electromagnetic immunity The ERK 7800 is intended for use in the electromagnetic environment specified below The customer or the user of the ERK 7800 should assure that it is used in such an environment Electrostatic Discharge ESD IEC 61000 4 2 Electrical fast transient burst IEC 61000 4 4 Surge IEC 61000 4 5 Voltage dips short interruptions and voltage variations on power supply input lines IEC 61000 4 11 Power frequency 50 60Hz magnetic field IEC 61000 4 8 NOTE Ur is the a c mains voltage prior to application of the test level 6kV contact 8kV air 2kV for power supply lines 1kV for input output lines 1kV differential mode 2kV common mode lt 5 UT gt 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles lt 5 UT gt 95 dip in UT for 5 sec Immunity test IEC 60601 test level Compliance level 6kV contact 8kV air 2kV for power supply lines 1kV for input output lines 1kV differential mode 2kV common mode lt 5 UT gt 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles lt 5 UT gt 95 dip in UT for 5 sec Electromagnetic environment guidance Floor should be wood concrete or ceramic tile If floors are covered with synthetic material
7. MANUAL Manual measurement AUTO Automatic measurement AUTO P Automatic measurement and printing AUTO REPEAT Set the number of automatic measurements STEP Set the step size for refractometry in D CYL Setthe cylinder form VD Set the Vertex Distance VD DATA PREVIEW Turn ON to display the measurement results first when pressing the PRINT button SPH SHIFT Compensate spherical diopter step 0 12 SHOOTING MODE NORMAL One measurement from one click on the joystick button FAST 3 Continuous three measurements from one click on the joystick button FAST 5 Continuous five measurements from one click on the joystick button Operation Manual 8 2 3 Printer setup PRINT Select configuration values concerning printing USER SETTING SYSTEM IMG AVR OFF _ AUTO CUTTING LINECUT USE PRINT NUM OFF RESET EDIT Drawing 25 Printer setup PRINT TYPE Choose printing contents ALL Print all data IMG Print with the mode of images of myopia AVE Print only average values OFF Turn off printing AUTO CUTTING Set automatic cutting of the printing paper ON OFF Set automatic cutting of the printing paper LINECUT Draw a line instead of cutting USE PRINT NUMBER Print the patient number ON OFF Set printing of the patient number RESET Reset the patient number to 1 USER MESSAGE Print at the end of the printout a user message Setup of the U
8. Refractometer Keratometer ERK 7800 E R K 780 0 Autorefractor Kerotameter Operation Manual E RK 7800 Autorefractor Kerotameter Operation Manual IMPORTANT NOTICE This product is always protected whbaen you connect the power supply must be connected to ground included The ERK 7800 is classified as Class Degree of protection against electric shock Type B Applied part Degree of protection against ingress of water level None Mode of operation Continuous operation A Class is a product in which the protection against electric shock does not rely on basic insulation only but which includes an additional safety precaution in such a way that means are provided for the connection of the product to the protective ground conductor in the fixed wiring of the installation in such a way that accessible metal parts cannot become live in the event of a failure in the basic insulation Use a power outlet which is equipped with a grounding terminal 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 lt should be used under the supervision of medical staff of hospital The information in this publication has been carefully checked and is believed to be entirely accurate at the time of publication ERK 7800 assumes no responsibility however
9. Rs GU dd dd ee we 38 12 EMC ELECTROMAGNETIC COMPATIBILITY 20 rere ree ee 39 13 Disposal of waste products Edu dat Se Gat duce sie RSA terete ete A A ds in NA arica 45 Refractometer Keratometer ERK 7800 1 Features Intended Use An autorefractor keratometer is used to determine the refractive and keratometric properties of the human eye to assist eye care professionals in the process of prescribing corrective eyeglasses and contact lenses Various measurements supported Not only the usual refractometry and keratometry but also corneal diameter and base curve of contact lenses can be measured with this one instrument Thus measurements of eye and prescriptions for glasses and contact lenses can be made more efficiently Wide dioptric measurement range Because the ERK 7800 covers a wide measurement range from 25D to 22D even an examinee with strong myopia can be measured More accurate measurement The fogging method of the eye fixation target makes examinee s eye comfortable and enables getting more accurate measurement data Simple and convenient user s environment Delivers more convenient user environment with wide view 6 4 color LCD screen and with simple and easy to understand design Illumination for observation This allows for observation of the eye condition of the cataract or contact lens surface The system saves up to 2 images of each eye Easy connection with other equipment This instrument
10. SER MESSAGE a Enter USER MESSAGE setting screen by pressing SET b Move to the desired letter with me and press SELECT to choose the letter c Press the BACK button to delete the last letter d Press the button on the joystick to delete the entire message e Press the EXIT button to return to the user settings The question Do you want to save the message is asked Press YES to save the current message or NO to revert to the previous message Refractometer Keratometer ERK 7800 USER SETTING ABCDEFGH JKLMNOPQRSTUVWXYZ abcdefghiikImnoparstuvwxyz 0123456789 4 lt gt 7 T Drawing 26 Setup user message 8 2 4 System setup SYSTEM Select configuration values concering the system USER SETTING OFF Ss A to TT A 24H MODE Drawing 27 System setting page KEY SOUND Turn the sound on off when a button is pressed or set to middle volume LCD BRIGHT Regulate brightness of LCD display from low 1 to high 5 SAVE SCREEN Set the time until screen saving mode to 3 5 10 minutes or turn it OFF DATE FORMAT Operation Manual Set display fomat of date 24H MODE Set display format of time DATE Set present date a Press SET b Choose year month or day with r re c Switch year month date with iii d Leave setup by pressing repeatedly left or right arrow TIME Set present time a Press SET b Choose PM AM hour minu
11. V l Protects instrument from excess electric power High Breaking Power Switch Switch for turning power ON and OFF Under Stage Fixing Bolt Makes the system stage fixed Chart 3 Bottom side of body Operation Manual 4 4 Operation Buttons Button s functions are displayed in simple word on LCD screen Refer to each mode s introduction pages for more specific button functions CYL Switch cylinder form Chart 4 Operation buttons Refractometer Keratometer ERK 7800 5 Equipment Installation and Measurement Preparation 5 1 Connect power cord Put ERK 7800 on the table Plug power cord into power connector Ensure the power switch is turned OFF plug power cord into electrical outlet Drawing 5 Stage Clamping Rotate stage clamping bolt located in the buttom of body unclockwise and release Lift stage holding knob staright up forward to UNFIXING Push stage to left and right and then loosen uder stage fixing bolt Check whether stage is moving freely 5 3 Screw in the 2 rubber bolts They are located between the moving stage and the base of the body not shown in the picture Move the stage to the side as much as possible left and right for easier access Turn the two black rubber bolts clockwise until they are completely turned in Check whether stage is moving freely 5 4 Chin rest paper if used Remove both pins from the chin rest Slit both pins into the holes of the
12. and the manual before using this product Keep this manual in an easy to access place Safety Symbols and sign This indicates hazardous situations which may result in electrical shock to you This indicates hazardous situations which may result in crush your hand This indicates hazardous situations which may result insert your hand gt This indicates hazardous situations which may result in minor injury to you or others or may result in machine damage This indicates a mandatory action If you do not act accordingly this may result in death or serious injury to you or others This indicates a hazardous situation which could result in death or serious injury to you or others NOTE This is used to emphasize essential information Be sure to read this information to avoid incorrect operation INDEX IMPORTANT NOTICE A AA tah Be Sales A AR AS a A A A A Aiea e E AI coat a a Be 1 SAFETY INFORMATION a e ci o E A A E eae A e A a Tai a a E er LAO ES ir ie 2 SYMBOLS E AA AR O AAA AAA a O NEAR AAA NDA 3 GENERAL SAFETY INFORMATION La Sa ARS a Boe a ete O A o AO A AN he A 5 1 Features and Intended Use lt u 2 8 2 Notes for Using the Instrument ee tert uuu 9 3 Prerequisites for safety ile i a ah ai ar a a a do aida 11 4 Introduction 12 4 1 Front side of body dt e A ta E a DA Ea A ga ATA A Ga Cae A a e a A od Sir Cp 12 4 2 Bac
13. ass on the examinee side clean If smudged it may cause an ERROR or inaccurate measurements When the system is not in use for a longer period of time disconnect the power supply and cover with the dust cover When moving the ERK 7800 always turn the power off and disconnect the power cable Fix the stage by using clamping bolt and stage holding knob and then lift the bottom of the unit with both hands When moving the ERK 7800 do not pick up the system using the forehead rest as a grip Moving equipment or other equipment to be connected and get the guidance of the agency When setting up the equipment for a flat where there is no inclination Get worked store and move under the following environment conditions for Refractometer Keratometer ERK 7800 proper operation Working condition Temperature 10C 40C Humidity 30 90 RH Atmospheric pressure range 70 kPa 106 kPa Shock without packaging 10g 6ms Storage and Moving condition Temperature 40C 70 Humidity 10 95 RH Atmospheric pressure range 50 kPa 106 kPa Shock 30g 6ms Permanent shock 10g 6ms Oscillate sine curve 10Hz 500Hz 0 5g Please use chin rest paper that is proven to be safe The patient should raise your hands in your lap when measuring When S W version up check the label on the main board Optometry chamber is 55 100 lux illumination suitable Don t use organic solvents such as alcohol paint t
14. ating 5 15P type only Caution Make sure the power cord is the correct type that is required in your area This product has a universal power supply that allows operation in either 100 120V AC or 200 240V AC voltage areas no user adjustment is required Use the proper power cord with correct attachment plug type If the power source is 120 V AC use a power cord which is a Hospital Grade Power Cord with NEMA 5 15 style plug labeled for 125 volts AC with UL and C UL approvals If the power source is a 240 V AC supply use the tandem T blade type attachment plug with ground conductor power cord that meets the respective European country s safety regulations 2 Model Eye S 5 0D or 5 12D or 5 25D VD 12mm R 7 95 3 Printing Paper Thermal Paper Size 57 X 50 mm 4 Dust cover Vinyl Cover Use for long term storage to prevent dust pollution 5 Operation Manual Operation Manual If you need to lift and move yourself or fall or be dropped so please note Packing to move your fingers when holding the rope so please note you can get hurt N Ifthe product is damaged packaging may be damaged so please contact manufacturer or dealer If the product contaminated by rainwater damage or risk of electric shock so please contact the manufacturer or dealer When the dissolution of packaging work gloves please Packaging to cut the rope because there may be injured because the rope holding the line on both deco
15. button on the joystick to save the value and continue with the next measurement The screen shows the life picture again Its not possible to measure the corneal curvature properly if the focus is NOTE on the iris 2o Refractometer Keratometer ERK 7800 7 7 Pupil and cornea observing function ILLUM Mode This mode allows to check for cataract scratches on contact lenses or the cornea Enter this mode by pressing the FUNCTION and then the ILLUM button ISS Al J i Drawing 19 ILLUM Mode screen 7 7 1 Operating buttons Press SET to enter user setup of VD REF ILM and TAR parameters Press CLEAR to delete all saved images from the image list Press IMAGELIST to enter the overview imagelsit with saved screens Press MSR to turn on off the MSR mode which adds refractometry measurement Press IOL to turn on off the IOL mode to measure patients with IOL surgery or cataract Press RETURN to return to the previous main measurement mode 9220009 O peration Manual 7 7 2 Measurement Drawing 20 Measurement screen a Follow steps 7 1 2 to 7 1 4 b Press the measurement button of the joystick to perform the measurement The monitor picture freezes c Press the ZOOM button to enlarge the image 2x In zoom mode 4 arrow buttons appear and can be used to move the image The RESET button resets the image position d Press the measurement button of the joystick again to save the image
16. chin rest paper and attach them again on the chin rest 5 5 Printing paper Check if printing paper is properly installed Install new paper if needed refer to section 9 2 1 Replacement of printer paper Turn off the power after connecting or disconnecting the power cable Do not operate the unit with wet hands to prevent death or serious injury from electric shock Operation Manual 6 Practicing with the Model Eye Practice measurement by using the Test Model Eye before measuring patient s eyes 6 1 Turn the power ON 6 2 Remove chin rest paper Slit the model eye into The pins of the chin rest 6 3 Make sure the stage is moving freely Otherwise refer to section 5 6 4 Switch to REF or R K Modeby pressing the mode button Drawing 6 model eye 6 5 Adjust the position and focus on the model eye KERATO RING Bar shows up when well focused 13 Internal ring Po mark Outside ring Bright Dot mark Center of pupil Drawing 7 Ring mark Look at the monitor and move the joystick in a way that you get an image of the model eye Move towards or away from the model eye until a bright dot appears near the center Focus on the model eye by moving the joystick forward and backward so that the KERATO RING image is displayed clearly on the monitor As soon as the model eye is adjusted the bar appears above the inner alignment mark 6 6 Measurement 6 6 1 Manual measurement a MANU is shown in the top left corn
17. er to indicate the manual mode b Press the measurement button on top of the joystick If the measurement has failed the message RETRY appears on the screen In this case repeat the procedure c Check whether the measured diopter value corresponds to the specification of the model eye The diopter value is shown in the bottom area of the model eye 6 6 2 Automatic measurement a Press the AUTO button b The MANU icon in the top left corner of the screen is switched to AUTO c Automatic shooting begins when the eye is well focused Refractometer Keratometer ERK 7800 6 7 Printout Press the print button on the moving stage to start a printout If the data preview is set to ON see section 8 2 2 the results are displayed first Press the print button a second time to start the printout lt PRINT TYPE ALL gt 2012703708 AM 69 54 NO REF RESULT a E ES Average of measurement results Unreliable result re measuring reccomanded 1 Measurement result by IOL mode Out measurement range KER RESULT 1 lt R gt mm Ri 7 75 R2 7 95 AVE 7 75 CYL Ri mm 7 95 a lt PRINT TYPE IMG gt 7 75 CE REF RESULT 1 mim a gt UD 12 8 mm CYL 2 73 E lt R gt SPH CYL AX 7 95 E AVE 5 00 3 B0 61 7 75 Rimm 2 95 7 95 7 75 Drawing 8 Printout On auto cutting mode don t pull the paper before it cuts It may cause paper jam After printing former measurement results will be cleared au
18. es to direct sunlight or too bright indoor lights to prevent contraction of the pupil When the pupil is smaller than the outer alignment mark Observe the eye in SIZE Mode If cataract is not severe measurement can be performed in the IOL mode EE ce nas hoe Measure in the IOL mode intra ocular lens implanted When the Mire Image is oddly shaped because of tears Instruct the examinee to open and close his or her eyes several times and measure When the Mire Image is not clear again because the cornea is dry Examinee has strong irregular Not possible to measure astigmatism or corneal disease AGAIN Measurement result is not reliable OUT Data was out of valid measurement Measurement result is out of range OUT range Please measure again 3 Message on printing NO PAPER The printer is out of paper Replace printer paper When the examinee has some illness like cataract FORGET Fog motor movement is Turn off and on the instrument If FOG MOTOR FAIL unstable message is displayed please contact the distributor Operation Manual 9 2 Replacement of paper 9 2 1 Replacement of printer paper lf a red line appears on the paper or if NO PAPER message is displayed on the screen bottom please replace printer paper with new one a Rotate the joystick clockwise to lift up the body and then open printer cover b Insert the printer paper from below to the insert slit or the
19. for possible errors or omissions or for any consequences resulting from the No use of the information contained herein ERK 7800 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 Under copyright laws this manual may not be copied in whole or in part without the prior written consent of ERK 7800 Refractometer Keratometer ERK 7800 SAFETY INFORMATION Accessory equipment connected to the analog and digital interfaces must be certificated according to the respective IEC EN standards e g IEC EN 60950 for data processing equipment and IEC EN 60601 1 for medical equipment Furthermore all configurations shall comply with the system standard EN 60601 1 2 2007 If you connect additional equipment to the signal input or signal output of this device then you are configuring a medical system and are therefore responsible that the system complies with the requirements of the system standard EN 60601 1 1 2001 If in doubt consult the technical service department or your local representative For EU Countries O The following mark the name amp address of the EU Representative shows compliance of the instrument with Directive 93 42 EEC ISO 15004 e This report provides information about the hazard to the examinee s eyed in compliance with ISO 15004 1 2006 ISO 15004 2 2007 Ophthalmic instruments Fundamen
20. hinner benzene etc to clean the surface of this instrument It may damage the instrument Do not store alcohol thinner and other flammable vapors and liquids in the vicinity of this equipment Do not turn off the instrument before finishing initialization It may cause motor movement error Do not use outdoors The instrument is designed to be used only indoors Do not use in humid or dusty environments Never disassemble or modify this instrument because it may result in fire or electric shock Also since this instrument incorporates high voltage parts and other hazardous parts touching them may cause death or serious injury Allow only qualified staff to operate the system Be sure to turn OFF the power switch before connecting or disconnecting the cables Also do not handle them with wet hands Otherwise you may get an electric shock that may result in death or serious injury When the system is not in use for a longer period of time disconnect the power supply and cover with the dust cover This equipment may operate unproperly when exposed to micro waves from cellular phones walkie talkie remote controlled electric toys or similar Operation Manual 3 Prerequisites for safety 1 Preparation before use Do not operate under direct sunlight or too strong lights Do not store alchol thinner and other flammable vapors and liquids in the vicinity of this equipment Check the voltage Check printing
21. ion NES Refractometer Keratometer ERK 7800 4 Introduction 4 1 Front side of body LCD Monitor 2 User Keys 3 Measurement Button 7 Printer OS sl Li f J oy H j Stage Locking Print Button Chin Rest Up Down Button Drawing 1 Front side Functions 1 LCD Monitor Monitor that displays the user interface 2 User Keys Various functions 3 Measurement Button Press this button for manual measurement 4 Joystick Control lever for lining up and focusing Chin Rest Up Down Button For regulating height of chin rest 6 Print Button Press to print measurements Printer Prints the measured results Stage Locking Knob Locks the movement of stage Chart 1 Front side Operation Manual 4 2 Back side of body 1 Head Rest 2 Measurement window 3 Dust Cap 4 Chin Rest 5 Height aligning mark Place the examinee s forehead against this rest Window for the examinee to look at for measurement Anti dust cap Place the examinee s chin on the rest Align eye level of patient by regulating chin rest Chart 2 Back side of body Refractometer Keratometer ERK 7800 4 3 Bottom side of body Under Stage Fixing Bolt Stage Clamping Bolt 3 RS 232 Connector 2 USB Connector GFuse 4 EXT Video Power IN LET 7 Power Switch N D Y Drawing 3 Bottom side of body 5 Power IN LET Connector for the power supply code 6 Fuse TIME LEG 2A 250
22. is designed to connect other equipments such as LCD Monitor Operation Manual 2 Notes for Using the Instrument To avoid the risk of electric shock this equipment as power protective earth connection must be connected Ensure that the examinee has not placed his her hand or fingers under the chin rest Otherwise hand or fingers may be hurt Do not hit or drop the instrument The impact may cause damage to the function of this instrument Please handle with care Only operate the instrument with the power supply indicated on the rating plate Otherwise it may result in fire or electric shock Never disassemble or modify This can cause fire or electric shock In case there is smoke strange odor or noise during operation disconnect the power supply and consult the distributor For replacement paris battery fuse or other paris please contact the distributor from whom you purchased the product The external connection device is used UL certificate device and The specified power code paper and fuse are used An exposure to the direct sunlight or bright indoor lights may influence the result of the measurement Please use the ERK 7800 in an appropriate optometry room A sudden heating of the room in cold areas will cause condensation on the protective glass in the monitor screen and on optical parts inside the instrument In this case wait until condensation disappears before performing measurements Keep the objective gl
23. is te A 26 1 1 2 Measurement o 27 7 1 3 Measuring mode MSR E A E ar na a Sa a E q A a a fr Ss A S 27 1 1 4 Image list A 28 7 7 5 User settings of ILLUM mode gr ety ie ie Ee ahaa a a a in Sair A ae AE PR PR iy RO vy Hao Gar Ga ANNAN e ee A 28 8 Other features lt 29 8 1 Display measured data IO ys yah UA BA eae es fa e io Ta tas set hes eh tee et ne Mr O cal dae sue E ARA a 29 8 1 4 Display mode sa 29 8 1 2 Select data display by measurement mode sss tt tte 29 8 1 3 Clear data a 29 8 2 User setup a 30 Refractometer Keratometer ERK 7800 Operation Manual 8 2 1 Setup page selection ttt tt ra 30 8 2 2 Measurement setup MEASURE 0 tte 30 8 2 3 Printer setup PRINT A A a A AAA AA DI a wen a 31 8 2 4 System setup SYSTEM crrr rererere merren ees 39 8 2 5 Other settings ETC cette ttt ee 33 9 Self diagnosis and Maintenance rr ttt tetas 34 9 1 Before contacting qualified technician ttt aro 34 92 Replacement of paper E Gay MR E A O A SS warp oD ia O Rae pie a E a Dw RAR 35 9 2 1 Replacement of printer paper Ba Saitek Se odio de Ae Yas apa oa Mac cet See GB itn Hae chal il solo Sat aie MA ni ia a cee Me E 35 9 2 2 Replacement of chinrest paper sss ttt ttt ts 35 93 When moving the instrument cc a 35 9 4 Senice information YX ees ae ado Re Pa o ca a e a 36 10 Specifications E RE e O A te O Ge A ne ee E q 37 11 Components a ce ei ee a DO torta Da a wh GE
24. k side of body EA A AIN A A UA GSE A AN A A A O A A Se E 13 4 3 Bottom side of body Gm a ie Ar RD Sam AA Be at a ie E GG Sa Tea ge ARA Se E O A ce a 14 44 Operation Buttons e 1 5 5 Equipment Installation and Measurement Preparation 16 6 Practicing with the Model Eye TE a en te eee e eee ee oe ee ee ad 17 7 Measurement Functions eee eee nena 19 7 1 Measurement process a 19 7 1 1 Mode selection sa s 19 7 1 2 Regulating eye level of patient EO eB Aa hE a aa AAS e A mae a AS o aae A 19 7 1 3 Focusing a 19 7 1 4 Manual Measurement ee ee nana LAE aY a Uie TE LE E E A a Taaa ae 19 7 1 5 Continuous Measurement a 19 7 1 6 Measure other eye a 19 17 1 7 Printing A 19 7 1 8 Automatic measuring a 1 9 7 2 REF MODE roi SAY e Sah aap Sek TORO GE O meee ES Up get AS A wg A hat gga et Se TaN ats A E ce 20 7 3 KER MODE E EE Be Re EA Be Sean BS Sek hep ee Be a OR er St Sa AAA 21 74 Keratometry and refractometry RK MODE tcc cera erros 22 7 5 Measuring contact lenses base curve CLBC MODE s c cc 23 7 5 1 Attach contact lens a 23 7 5 2 Attach model eye with contact lens tcc terrestres 23 7 6 Measuring cornea size SIZE MODE cc sss ttt ttt rr 24 7 6 1 Operating buttons A 24 7 6 2 Measurement selection a 24 7 6 3 Determine size ee ee ee OR RR RR a AEE aE 25 7 7 Pupil and cornea observing function ILLUM MODE ct 26 7 1 1 Operating buttons ee m s a a aa A a L yal a a E N i a a a a a a a a a a a D a
25. message appears if you want to save or not Confirm with YES or by pressing the measurement button again For each eye up to two images can be saved in the image list e Press RETURN button to leave the image without saving 7 7 3 Measuring mode Measuring mode Measurement result rm pane t d ola y mes pa Drawing 21 ILLUM measuring mode MSR Refractometer Keratometer ERK 7800 a Press the MSR button to turn on off the MSR measurement mode When enabled the MSR icon and the KERATO ring show up on the screen b Focus and measure as described for refractometry in section 7 1 ans 7 2 c The refraction results show up together with the observed image 7 7 4 Image list Voo lo RIGHT Image 1 IMAGE INFORMATION MSR Date 2010 04 19 Time 21 15 E e pane CoO pa ge rua ema mms e vp am am 7 E E m SP CY AX LEFT Image Drawing 22 Image list Press IMAGELIST button to switch to the overview screen of stored images Press the arrow buttons to choose a specific image The image information show up for the selected image Press ZOOM button to enlarge the selected image Press CLEAR button to delete the selected image 7 7 5 User setting of ILLUM Mode May regulate VD Values REF light volume lighting volume and lighting volume of inside target a b 2209 Press SET button to enter the user settings mode The current value is highlighted in
26. nstruction please Disassembled in a flat surface to prevent slipping please 1 Do not hold or store inside out move 2 Put heavy things over 20Kg do not keep 3 3 Do not throw or drop from a high distance Refractometer Keratometer ERK 7800 12 EMC ELECTROMAGNETIC COMPATIBILITY The Electromagnetic Compatibility Directive sets the essential requirements for electrical and electronic equipment that may disturb or even be disturbed by other equipment The ERK 7800 complies with these requirements as tabled below Follow the guidance on the tables for use of the device in the electromagnetic environment EMC IEC 60601 1 2 2007 Guidance and manufacturer s declaration electromagnetic emissions The ERK 7800 is intended for use in the electromagnetic environment specified below The customer or the user of the ERK 7800 should assure that it is used in such an environment Emissionstest Compliance Electromagnetic environment guidance E emesos The ERK 7800 uses RF energy only for its internal function CISPR 11 Group 1 Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment RF emissions Harmonic emissions The ERK 7800 is suitable for use in all establishments other than domestic and those directly connected to the public low voltage Voltage fluctuations power supply network that supplies buildings used for domestic Flicker emissions purposes IEC 610
27. papers are ready Check chin rest is working properly Remove dusts especially on the lens 2 Preparation when you use Place this equipment plain Do not put objects on top of this equipment Do not disassemble or modify on your own Stand 40 minutes and get it worked if it is stored at extended temperate place Keep it away from other persons but qualified technician Be sure to unplug if do not use long Do not turn off the instrument before finishing initialization Don t power off during loading Instruction and operation sequence Plug into its own electrical oulet Press ON Put the chin on chin rest and make forehead stuck on to forehead rest Release stage by turning stage knob Press buttons what you want Try to get it worked as per the instructions of 4 and 5 4 Storing after use Cover it up and unplug if do not use long Clean with soft cloth soaped and rinse wipe dry Wipe lens and glass dusts out with windblower and with soft cloth Fix by turning the fixation knob and keep it plain when you are about to move or lift up Do store at the following place Not humid place Not in the vicinity of water Not dusty and not in the vicinity of filthy place with salt or sulphur Plain place Not in the vicinity of vibration or shock Not in the vicinity of other flammables vapors or liquids Not in the vicinity of direct sunlight Store the accessories and cords for next operat
28. paration distances between portable and mobile RF communications equipment and the ERK 7800 The ERK 7800 is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled The customer or the user of the ERK 7800 can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the ERK 7800 as recommended below according to the maximum output power of the communications equipment Separation distance ie to frequency of transmitter 150kHz to 80MHz 80MHz to 800MHz 800MHz to 2 5GHz 0 01 0 1 i 10 100 For transmitters rated at a maximum output power not listed above the recommended separation distance din metres m can be estimated using the equation applicable to the frequency of the transmitter where Pis the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer Rated maximum output power of ale NOTE 1 At 80MHz and 800MHz the separation distance for the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people Refractometer Keratometer ERK 7800 13 Disposal of waste products When disposing of the products below to contact us ADD 9990 NW 14 Street Suite 105 Doral FL 33172 USA Tel 888 802 2466 This instrument incor
29. porates a lithium battery which may pollute the environment if the instrument is disposed Please ask a professional waste disposal company to handle disposal or your distributor before disposing of the instrument Operation Manual N RK 7800 Autorefractor Kerotameter EZEr 9990 NW 14 Street Suite 105 Doral FL 33172 Telephone 888 802 2466
30. t Measurement result Shooting time Drawing 13 RK Measurement screen 7 4 1 Additional functions a The buttons change when the FUNCTION button is pressed MODE MENU DISPLAY AUTO E FUNCTION Tee STEP EDES size ILLUM RETURN Drawing 14 Operating buttons diagram of RK b The respective values can be changed by pressing the VD STEP or CYL button c The measurement mode is changed to cornea curvature measuring mode or pupil observing mode by pressing the SIZE or ILLUM button Operation Manual 7 5 Measuring contact lenses base curve CLBC MODE Measure base curves of contact lens in CLBC mode 7 5 1 Attach contact lens a Load lens up after dampen convex part of model eye back side Drawing 15 Attach contact lens 7 5 2 Attach model eye with contact lens a Get rid of chin rest paper and pick fixing pins and pick model eye into fixing pins b Perform the measurements as described in section 7 1 Drawing 16 Model Eye 7 5 3 IOL measuring mode Measure with IOL button when check IOL operated patient or crystalline are blurred like cataract patient 7 5 4 IOL MODE selection a Keep pressing till REF or R K modea are engaed b Press IOL button Check IOL icon is turned up Refractometer Keratometer ERK 7800 7 6 Measuring cornea size SIZE MODE This mode allows to check the radius of the cornea or pupil Enter this mode by pressing the FUNCTION and then the SIZE button
31. tal requirements and test methods Part2 Light hazard protection This condition is satisfied even when the instrument is operating at maximum light intensity and maximum aperture Maximum intensity is the highest brightness the instrument is capable of delivering including the highest brightness achievable if overvoltage is provided detailed radiation information at normal usage of this instrument is like bellows Radiation output below 117 1 uW cm2 Limit by 15015004 100 mW cm2 i 115 5 103 7 108 8 109 0 105 6 105 8 average 109 1 CE 0120 Operation Manual SYMBOLS E q O mem a e E Risk of electric shock Crushing hazard sign Hand hazard sign General mandatory action sign General prohibition sign General warning caution sign Keep dry symbol Ei x DO NOT use hooks symbol ES Refractometer Keratometer ERK 7800 Fragile symbol Recycling symbol Handle with care symbol This way up symbol Manufacturer Manufacturing date WITH RESPECT TO ELECTRIC SHOCK Cc US FIRE AND MECHANICAL HAZARDS ONLY Guy MEDICAL EQUIPMENT IN ACCORDANCE WITH ULGOGO 1 1 ss CAN CSA C22 2 NO 601 1 Operation Manual GENERAL SAFETY INFORMATION lf you see any warnings or cautions printed on the warning labels follow the safety instructions in this manual Ignoring such cautions or warnings while handling the product may result in injury or accident Be sure to read and fully underst
32. te or second with 7 Ex c Switch PM AM hour minute second with d Leave setup by pressing repeatedly left or right arrow 8 2 5 Other settings ETC USER SETTING PRINT SYSTEM OUTPUT VIDEO IODE eT Drawing 28 Other setting page COM FORMAT Set transmission format when communicating with external equipment via the serial port OUTPUT VIDEO Turn on off display output to external video CODE Service mode users may not acess Refractometer Keratometer ERK 7800 9 Self diagnosis and Maintenance 9 1 Before Calling a Service Person Warning messages will be displayed on the monitor if some problems occur It might be operation errors or problems of the instrument In this case refer to the following instructions If the function is still not recovered disconnect the power supply and consult the disributor 1 Message when power on FOG MOTOR FAIL Turn OFF the power switch and turn on again after 10 Internal error seconds If the message appears again consult the SHUT MOTOR FAIL distributor 2 Message after measuring Alignment of the eye is improper Measure after aligning the pupil and the alignment mark properly Instruct the examinee to open his or her eyes wide or lift up the eyelid lightly with your fingers and measure again Eyelid or eyelashes are covering the pupil The minimum pupil diameter that can be measured is 2 0 mm Dont expose examinee s ey
33. te and let us have the following information Name of the instrument ERK 7800 Serial Number 7 digit characters indicated on the name plate SN Phenomenon Detailed description 2 Limit for Supplying Performance Parts for Repair Performance part required to maintain the function of the product will be stocked for a maximum of six years after discontinuation of the product Operation Manual 10 Specifications Refractometry Vertex Distance VD 0 0 10 0 12 0 13 5 15 0 mm Sphere SPH 25 00 22 D VD 12 mm Unit 0 12 0 25 D 0 00 10 00 D Unit 0 12 0 25 D Keratometry Radius of Curvature 5 0 10 2 mm Unit 0 01 mm 39 00 67 500 errr Corneal Astigmatism 0 00 15 00D Unit 0 12 0 25 D Corneal Diameter Corneal Diameter 2 0 12 00 mm Unit 0 1 mm ETC Temperature 10C 40C Humidity 30 90 RH Operation environment Atmospheric pressure range 70 kPa 106 kPa Shock without packaging 10g 6ms Temperature 40C 70 Humidity 10 95 RH Atmospheric pressure range 50 kPa 106 kPa Shock 30g 6ms Permanent shock 10g 6ms Oscillate sine curve 10Hz 500Hz 0 59 275 W 525 D 440 H Storage environment Refractometer Keratometer ERK 7800 11 Components Operation Manual Drawing 32 ERK 7800 Accesary Quantity 1 Power Supply Cable USA CANADA 125V 10A UL CUL EU 250V 16A EN60799 IECEE Using Plug for US 120V r
34. the relative humidity should be at least 30 Mains power quality should be that of a typical commercial or hospital environment Mains power quality should be that of a typical commercial or hospital environment Mains power quality should be that of a typical commercial or hospital environment If the user of the ERK 7800 requires continued operation during power mains interruptions it is recommended that the ERK 7800 be powered from an uninterruptible power supply or a battery Power frequency magnetic fields should be at levels characteristic of a typical location in a typical commercial or hospital environment Refractometer Keratometer ERK 7800 Guidance and manufacturer s declaration electromagnetic immunity The ERK 7800 is intended for use in the electromagnetic environment specified below The customer or the user of the ERK 7800 should assure that it is used in such an environment Immunity test IEC 60601 test level Compliance level Electromagnetic environment guidance Portable and mobile RF communications equipment should be used no closer to any part of the ERK 7800 including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended separation distance d 1 2 root P d 1 2 root P 80MHz to 800MHz d 2 3 root P 800MHz to 2 5GHz Conduted RF 3Vrms IEC 61000 4 6 150kHz to 80MHz where Pis the maximum output po
35. tomatically when staring next measurement Records on thermal paper can be spoiled by heat If the results are to be kept for a long period please make a copy Operation Manual 7 Measurement Functions The system main functions comprise refractometry REF keratometry KER refracto keratometry RK and contact lens base curvature CLBC measuring Additional features are measuring of the corneal radius and observing the cornea 7 1 Measurement process 7 1 1 Mode selection a Keep pressing the MODE button until the desired mode REF KER RK CLBC shows up b Press IOL button when measuring a patient with who has an lOL Icon IOL shows up 7 1 2 Regulating eye level of patient a Have the patient sit down and chin and forehead leaned against chin and forehead rest b Line up patient s eyes to the height aligning mark see section 4 2 by regulating the height of the chin rest 7 1 3 Focusing Move the stage to the left side and focus on the right eye of the patient Guide the patient to look relaxed at the red colored part in the center of target balloon Patients are requested to open up the eye till KERATO ring images are clear Use the joystick to move the bright dot in the center of the pupil into the inner ring mark Move the joystick forward and backward to focus and to get a clear KERATO ring image vol 7 1 4 Manual Measurement a Press the measurement button in manual mode b The measurement result
36. wer rating of the transmitter in watts W according to the transmitter manufacturer and dis the recommended separation distance in Radiated RF 3V m metres m IEC 61000 4 3 80MHz to 2 5G Hz Field strengths from fixed RF transmitters as determined by an electromagnetic site survey a should be less than the compliance level in each frequency range b Interference may occur in the vicinity of equipment marked with the following symbol NOTE 1 At 80MHz and 800MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people a Field strengths from fixed transmitters such as base stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength in the location in which the ERK 7800 is used exceeds the applicable RF compliance level above the ERK 7800 should be observed to verify normal operation If abnormal performance is observed additional measures may be necessary such as reorienting or relocating the ERK 7800 b Over the frequency range 150kHz to 80MHz field strengths should be less than 3V m Operation Manual Recommended se
Download Pdf Manuals
Related Search