Gilras GRK-7000 User Manual Download

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Auto Ref/Keratometer GRK-7000 57

8.5.

Measurement of Pupil / IRIS Radius(SIZE Mode)

It is the mode to measure the corneal radius.

1. Check the measurement window on the screen of monitor.

2. Adjust the position and focus so that the image of eye to be measured can

be seen apparently.

3. Push SIZE button after pushing FUNC button while selecting SIZE measureme

nt mode.

[ Figure 19. Window indicating Size Mod

Perpendicular bar

Right eye

Iris

Pupil

Corneal outline

Summary of Contents for GRK-7000

Page 1: ...User s Manual Auto Ref Keratometer GRK 7000...

Page 2: ...ic or other interference between medical equipme nts and other devices being operated together in the same environment al may expert an adverse influence on functioning of the medical equip ment Non m...

Page 3: ...as been carefully checked and is believed to be entirely accurate at the time of publication GILRAS assumes no respo nsibility however for possible errors or omissions or for any consequences re sulti...

Page 4: ...2 4 Safety Precaution 11 3 Characteristics 14 4 Note for Use 15 5 Names and functions of each part 17 5 1 Main parts 17 5 2 Explanation on Switches in Front 20 6 Installation of Equipment Preparation...

Page 5: ...ens Base Curve CLBC Mode 54 8 5 Measurement of Pupil IRIS Radius SIZE Mode 57 8 6 DISPLAY Mode 62 8 7 User SETUP Mode 64 8 8 Power saving Function 71 9 Self diagnosis Maintenance 72 9 1 Before calling...

Page 6: ...d pupil size CLBC Contact Lens Base Curve measurement is also a basic function of this product 1 2 Classification Classification of product 2nd Grade Medical Instrument Resistance against electric sho...

Page 7: ...erator It is for this reason that the following safety notices have been placed appropriat ely within the text of this manual to highlight safety related information or info rmation requiring special...

Page 8: ...ndicates the connection of signal input output This symbol identifies a safety note Ensure you u nderstand the function of this control before usin g it Control function is described in the appropri a...

Page 9: ...m via designated colle ction facilities appointed by the government or the local author ities 3 The correct disposal of your old appliance will help prevent potential negative consequences for the env...

Page 10: ...s Where the machine is exposed directly to the sunli ght Where the temperature changes frequently Normal tempe rature for operation of the machine is at the range of 10 C 35 C and the humidity is at t...

Page 11: ...e Do not close the thermal ventilation outlet Do not connect the AC power plug in to the outlet while not putting the p arts of machine together completely I t can harm the equipment Do not pull the p...

Page 12: ...e for its safe operation Therefore please read carefully all instructions before s witching on this device For more detailed information please contact our Custo mer Service Department or one of our...

Page 13: ...ing to this manual and Service Manual 7 The manufacturer is not liable for damage caused by unauthorized tamp ering with the device s Such tampering will forfeit any rights to claim u nder warranty 8...

Page 14: ...uipment may be used for the international application related to Refractometry according to this manual 14 Before every operation proceed with visual inspection on the equipment exterior to seek any m...

Page 15: ...o 20 D it can measure the severe myopia 3 As measuring the curvature it can measure by 2 0mm of least pupil ra dius 4 The fogging technique which is applied to the internal fixed target is to make the...

Page 16: ...ive glass in the measurement window and on optical parts inside the instrument In this case wait until condensation disappea rs before performing measurements 5 Make sure to keep the lens in examinee...

Page 17: ...16 Auto Ref Keratometer GRK 7000 all the time 9 In case of no use of the machine for a long time please put the dust c over on the device after powering and plugging off...

Page 18: ...Indicates whether or not the electric power is on 4 Display Monitor Monitor for measurement 5 Measurement Button Performing the measurement by pressing it after focusing 6 Operation Lever Adjusting t...

Page 19: ...the vibration by fixing the forehead 2 Measuring Object Lens Measuring the image imaging on the retina of eyes 3 Chin Rest Preventing the vibration by fixing the chin 4 Power Switch Switch for power o...

Page 20: ...monitor noises can appear on the monitor owi ng to the length or kind of cable and the quality of monitor 1 Power Supply Socket A socket connecting to exterior power plug 2 Serial Interface Connector...

Page 21: ...itch to change the mode for measurement and to get into the user s configuration 2 DISP Button A switch to indicate the measured results on the monitor 3 AUTO Button A switch to begin to perform the m...

Page 22: ...LOCK 2 Connection of Power Cable Put GRK 7000 on the table Insert the power cable into power connector a t the bottom of the main body After checking that the power of the machine i s off insert the p...

Page 23: ...or setup of corneal vertex distance indication of CYL unit of SPH CYL i ndication type of corneal measurement corneal equivalent curvature date e tc please check them in SETUP mode 7 Transmission to O...

Page 24: ...llation of Model Eye As removing the chin rest paper insert the p ushing pins after adjusting the lower hole of model eye to the hole of chin rest 3 Release of Lock to Stage Section Release the clampi...

Page 25: ...watchi ng the monitor Adjust the focus so that the focus adjustment circle symbol shall appear o n the bright dot 1 Height Adjustment Adjust it by rotating the operation lever or the chin rest height...

Page 26: ...previous p age Push the measurement switch In case that the measurement is not pe rformed while the message of TRY AGAIN appears on the upper left side of the monitor push the measurement switch again...

Page 27: ...bottom of monitor Adjust the position and focus of model eye as like in like in the proc edure of adjusting measurement position focus explained in the pr evious page If the focus is well adjusted as...

Page 28: ...ase that liquid is poured to the machine or metallic substance i s inputted into the equipment In case that the equipment is fallen down or the exterior case of it is broken The refractive power value...

Page 29: ...de is to be performe d If you push any buttons in the power saving mode it is changed to t he mode of measurement preparation Figure 11 Relation between each button and measurement mode Power ON SIZE...

Page 30: ...leted Figure 12 REF Mode Screen 2 Check the measurement screen appeared on the monitor NOTE If the measurement screen as shown in the above picture does not appe ar on the monitor screen let the power...

Page 31: ...tment of Eye Height Let the examinee sit in front of the machine Make sure that the examinee should not put his or her hands or fing ers under chin rest The hands or fingers can get injured For the pr...

Page 32: ...nds or fingers between stage and base Also mak e sure that the examinee should not put his or her hands or fingers th ere Hands or fingers can get injured Pull the body of equipment to the front of us...

Page 33: ...t the outline of bright dot can be apparent If the focus is adjusted appropriately the circle symbol appears on the bright dot Height Adjustment Adjust it by rotating t he operation lever or chin rest...

Page 34: ...Auto Ref Keratometer GRK 7000 33 Figure 14 REF Manual Mode Screen Manual Auto Iris Pupil External Array Ring Min Radius of Iris 2 0mm...

Page 35: ...by pushing the stage to the directions of left right As consecutively measuring the refractive power there can be errors in the measured value with regard to the examinee to which the adj ustment powe...

Page 36: ...ated Repeated Measurement Measure repeatedly if necessary The latest measured value is to be indicated every time new measuremen t is performed It shall memorize the measured values by 10 times for ea...

Page 37: ...ce Print Print the measured result by pushing the PRINT button The contents selected in SETUP mode is to be printed Refer to section 8 7 Cut the printing paper off from the end of it while lifting it...

Page 38: ...r GRK 7000 37 NOTE As it is printed the values measured so far are to be removed As a thermal printing record the printed characters are easy to be fade d away Please make it copied if you want to kee...

Page 39: ...38 Auto Ref Keratometer GRK 7000 Figure 17 Example of Print...

Page 40: ...atically without pushing th e measure button Perform the procedure of manual measurement mode Measurement As the array and adjusting the focus is completed the measurement is to be performed automatic...

Page 41: ...lly on the screen of monitor Print Push the PRINT button in case that the measurement is conducted to the one eye only In case of selecting the condition of A PRT as ON in Setup mode refer to section...

Page 42: ...Auto Ref Keratometer GRK 7000 41...

Page 43: ...an Alignment Ring This machine s measurable min radius of pu pil is 2 0mm Though it is possible to measu re in the bright place make sure that the b right illumination or sunlight shall not shed direc...

Page 44: ...easurement mode 2 KER Mode Selection Push MODE button until KER is to be indicated on the upper right side of the screen 3 Perform the same 2 3 procedure of consecutive measurement of refractive p owe...

Page 45: ...GRK 7000 on the screen of monitor In case of the consecutive measurement the r esult of previous measurement is to be indicated Iris Pupil External Array Ring Min radius of pupil 2 0mm Figure 19 Scre...

Page 46: ...Auto Ref Keratometer GRK 7000 45 3 Perform the same 4 5 procedure of the consecutive measurement mode of refractive power 4 Print the measured result through the same 6 procedure of section 8 1 1 e...

Page 47: ...46 Auto Ref Keratometer GRK 7000 Figure 20 Example of Print...

Page 48: ...tomatically as like in procedure 2 of section 8 1 2 3 Print the measured result as like in procedure 6 of section 8 1 1 8 3 Corneal Curvature Refractive Power Measurement Mode K R Mode This is the mod...

Page 49: ...rement Push the measurement button As you keep pushing the measurement button the measurement is to be performed consecutively As the measurement is completed the measured result is to be indicated on...

Page 50: ...meter GRK 7000 49 Figure 21 Screen indicating K R Mode Perform the same procedure as like in procedure 4 5 of section 8 1 1 Print the measured result through the same procedure as like in procedure 6...

Page 51: ...50 Auto Ref Keratometer GRK 7000 Figure 22 Example of Print Selection of Screen Indication Type...

Page 52: ...e the screen indication type R1 R2 AX K1 K2 AX AR CY AX in SETUP mode 8 3 2 Auto Measurement Mode As pushing Auto button in manual measurement mode it is to be changed to a uto measurement mode As the...

Page 53: ...le t o measure OUT Exceeding m easurable ra nge SPH exceed s 20D C OUT Exceeding m easurable ra nge CYL exceed s 10D Measurement o f Curvature Indicating lo w reliability Measured v alue of low reliab...

Page 54: ...Auto Ref Keratometer GRK 7000 53...

Page 55: ...surface tensi on Be careful lest contact lens should be adhered tilti ng Also make sure that air bubbles should not be generated behind contact lens 4 Sticking of Model Eye Fix the model eye stuck wi...

Page 56: ...consecutively As the measurement is completed the measured result is to be indicated on the screen of monitor NOTE The measure result of astigmatic axis in base curve concave surface of contact lens h...

Page 57: ...56 Auto Ref Keratometer GRK 7000 7 Print Press Print button...

Page 58: ...1 Check the measurement window on the screen of monitor 2 Adjust the position and focus so that the image of eye to be measured can be seen apparently 3 Push SIZE button after pushing FUNC button whil...

Page 59: ...ton the window shall be stopped button and button in the center is to adjust the movement of left bar and button and button in right side is to adjust the moveme nt of right bar Move the relevant bar...

Page 60: ...Auto Ref Keratometer GRK 7000 59 MODE button 1 or 2 is to be selected alternatively If there was an er ror in 1 which is the previous measurement you can select 1 again...

Page 61: ...cedure of 2 4 as performing the measuremen t again Measuring Bar Moving right perpendicular bar to right side Moving right perpendicular bar to left sid Moving left perpendicular bar to right sid Movi...

Page 62: ...f the other eye Measure the other eye in the same way while holding the operation lever and pushing the stage to the counter direction 8 Printout of Measured Result The measured result of corneal radi...

Page 63: ...ushing EXIT button a gain NOTE As pushing print button the measured result stored in memory is to be printed out through the built in printer and it is removed completely for th e new measurement 1 Me...

Page 64: ...s pushing PAGE button in REF result display screen It indicates the lates t measured result of max amount of ten 10 times kerato result of left rig ht eyes As pushing CLEAR button all of the stored da...

Page 65: ...mode 1 Measurement of Refraction Cornea Keratometry Figure 23 Setup Mode Information page 1 How to change page As pushing PAGE button it is to enter the next page How to change item Select the wanted...

Page 66: ...xit As intending to store the content and to return to the measurement mode Exit without saving As intending to return to the measurement mode without storing After pushing button or button toward the...

Page 67: ...formation page 2 Content of Item 2 4 Page PATIENT NUMBER serial number management COUNT Selection whether or not to use serial number NO Setup of Serial Number As pushing button or button the se rial...

Page 68: ...five 5 times o nly It is to measure in AUTO START Mode consecutively COMMUNICATION Setup for communication to other machines BPS Select the one among 9600 57600 and 112500bps as its data tra nsfer rat...

Page 69: ...Mode it is to print out the measured result automatically as the each measurement to left ri ght eyes is completed one after the other EYE ON Pictures of eye refraction according to the measured res...

Page 70: ...e to be printed out AVE Only average value is to be outputted printed out OFF It is not to be printed out 5 Printer Message Etc Figure 26 Setup Mode Information page 4 Content of Item 4 4 Page PRINTER...

Page 71: ...to pop up After selecting the line by button or button ag ain input them by using SEL button while selecting characters pushing button or button Figure 27 Character Input ETC Other Setup LANG You can...

Page 72: ...71 8 8 Power saving Function The power saving function begins to operate if you do not operate the machin e at all for five 5 minutes or so It is to return to the measurement mode as p ushing any but...

Page 73: ...contact to the agent where you bought the machine after switching the power off As the power switch is on Message Cause Method of settlement Motor Error Internal abnormality for t he equipment Re inpu...

Page 74: ...ted Clean the glass OUT Sphere of examinee s eye exceeds 20D Impossible to measure Objective glass in measurement window is polluted Clean the glass C OUT Astigmatism of examinee s eye exceeds 10 D Im...

Page 75: ...ll together with shaft out of the printer and pull the rotating shaft away from paper roll Put the rotating shaft into the new roll Put the paper inserted with the rotating shaft into the printer case...

Page 76: ...2 2 Chin rest paper Pull two 2 pins out of the chin rest Push the pins into the holes of chin rest paper You can put 50 sheets of it on Insert the pins into each one of two 2 holes in the chin rest Fi...

Page 77: ...n off and raise the GRK 7000 with two arm carefully Remove the Power cord 5 Pick the fuse holder out from the Power inlet 6 Exchange the fuses 7 Insert the fuse folder Use 250V T3 15AL fuse for the Au...

Page 78: ...and use a dry cloth 9 4 As changing the installation place of the equipment 1 Off the power switch of main body 2 Take the power connection cable apart 3 Lock the clamping bolt by rotating it clockwi...

Page 79: ...78 Auto Ref Keratometer GRK 7000 When disposing packing materials sort then by the materia ls and follow local governing ordinances and recycling plan s...

Page 80: ...of parts required for repair of this machine is by eight 8 years after stopping to produce the product Parts to be repaired by qualified service manpower Parts below are consumable in their characteri...

Page 81: ...X 1 180 1 Unit Cylinder Form MIX Pupil Distance PD 10 85mm Minimum pupil diameter 2 0mm Data Storage Measured value of ten 10 times amount for each left right eye Hardware specification Built in print...

Page 82: ...z Power plug or other 1 unit 2 Model Eye Sph 2 25D 2 75D 1 unit 3 Ch i n Re s t Pa p e r 1 0 0 sh e e t s 1 bu n d l e 4 P r i n t e r P a p e r 1 r o l l s 5 Dust Cloth 1 piece 6 Fuse 250V 3 15A 2 un...

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