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luxvision LM-7800, Operation Manual

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-------------------------------------------------------------------------    LM-7800 User Guide   

3

   

8.3.  UV

 

S

CREEN

 .......................................................................................................... 25 

8.4.  C

ONTACT 

L

ENS 

D

ISPLAY 

(S

OFT

,

 

H

ARD

) .................................................................. 26 

8.5.  D-S

UNGLASSES 

L

ENS 

D

ISPLAY

 .............................................................................. 27 

8.6.  S

ETUP 

S

CREEN

 ..................................................................................................... 27 

8.7.  P

RINTOUT 

F

ORMAT

 ................................................................................................ 32 

9.

MEASUREMENTS .................................................................................................. 33

9.1.  N

ORMAL LENSES

 ................................................................................................... 33 

9.2.  F

RAMED LENSES

 .................................................................................................... 35 

9.3.  P

ROGRESSIVE 

M

ULTI

-F

OCAL 

L

ENSES

 ..................................................................... 37 

9.4.  G

ENERAL 

M

ULTI

-

FOCAL 

L

ENSES

 .......................................................................... 44

4

 

9.5.  S

OFT 

C

ONTACT 

L

ENSES 

(

CONTACT LENS ZIG IS OPTIONAL

) ...................................... 45 

9.6.  H

ARD 

C

ONTACT 

L

ENSES

 ........................................................................................ 45 

9.7.  T

RANSMISSION 

R

ATIO OF 

UV

 

L

IGHT

 ....................................................................... 46 

9.8.  D-S

UNGLASSES 

L

ENSES

 ........................................................................................ 47 

9.9.  M

ARKING 

F

OCUS AND 

C

YLINDRICAL 

A

XIS

 ............................................................... 47 

9.10. 

P

RISM

 ............................................................................................................... 48 

10.

MAINTENANCE .................................................................................................... 49

9

10.1. 

R

EPLACING 

P

RINTING 

P

APER

 ........................................................................... 49

9

 

10.2. 

R

EPLACING 

F

USE

 ............................................................................................... 5

0

 

10.3. 

S

TORAGE

 .......................................................................................................... 51 

10.4. 

D

ISPOSAL

 .......................................................................................................... 52 

11.

TROUBLESHOOTING .......................................................................................... 53

3

11.1. 

V

ARIOUS 

M

ESSAGES

 ........................................................................................ 53

3

 

11.2. 

H

OW TO CLEAN PIN HOLE

 .................................................................................... 53 

12.

SPECIFICATIONS .................................................................................................. 54

13.

SERVICE INFORMATION

 ...................................................................................... 55

Summary of Contents for LM-7800

Page 1: ......

Page 2: ... at the time of publication LUXVISION assumes no responsibility however for possible errors or omissions or for any consequences resulting from the use of the information contained herein LUXVISION 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 LUXVISION 9990 ...

Page 3: ...ES FOR USING THE INSTRUMENT 12 5 CONFIGURATIONS 13 5 1 MAIN UNIT 13 5 2 ACCESSORIES 15 6 SETTINGS AND PREPARATION FOR OPERATING 16 6 1 RECEIVING INSPECTION 16 6 2 TEST AT START UP 16 6 3 DISPLAY PROTECTION FUNCTION 17 7 BUTTONS FOR OPERATIONS 18 7 1 SWITCHING SCREEN ACCORDING TO THE BUTTON SELECTION 18 7 2 USAGE OF BUTTONS 19 8 DESCRIPTION OF SCREEN LAYOUT 21 8 1 MEASUREMENT SCREEN 21 8 2 ABOUT TH...

Page 4: ...L MULTI FOCAL LENSES 444 9 5 SOFT CONTACT LENSES CONTACT LENS ZIG IS OPTIONAL 45 9 6 HARD CONTACT LENSES 45 9 7 TRANSMISSION RATIO OF UV LIGHT 46 9 8 D SUNGLASSES LENSES 47 9 9 MARKING FOCUS AND CYLINDRICAL AXIS 47 9 10 PRISM 48 10 MAINTENANCE 499 10 1 REPLACING PRINTING PAPER 499 10 2 REPLACING FUSE 50 10 3 STORAGE 51 10 4 DISPOSAL 52 11 TROUBLESHOOTING 533 11 1 VARIOUS MESSAGES 533 11 2 HOW TO C...

Page 5: ...nt and the UV Protection Ratio Test The automatic lens meter LM 7800 can measure both the uncut singular lenses and the framed glasses Recently the Bi Focal lenses or Progressive lenses for the elderly can be check with this equipment And also this instrument can measure soft contact lenses easily and accurately using the specialized mechanical jig and the detailed display 1 2 Classification Prote...

Page 6: ...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 Warning indicates the presence of a hazard that could result in severe personal injury death or substantial property damage if ignored NO...

Page 7: ...s control before using it Control function is described in the appropriate User s or Service Manual Manufactured by xxxx year Disposal advise for EU Manufacturer 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 Extra Symbols External serial communication port User can transmit the ...

Page 8: ...equipment is exposed to direct sunlight Where the temperature changes extremely Normal operating temperature range is from 5 to 40 Relative humidity is from 30 to 80 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 Where equipment is exposed to chemical material or explosive g...

Page 9: ... 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 5 or exceeds 40 for normal operation below 25 or exceeds 40 for transportation and below 10 or exceeds 40 for storage Humidity should be maintained between 30 and 80 for normal operation transportation and storage Atmosphere should be range fr...

Page 10: ...he 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 a properly trained and qualified person 4 Modifications of this equipment may only be carried out by Luxvision s service technicians or other authorized persons 5 Cus...

Page 11: ...pment 11 Do not force cable connections If a cable does not connect easily be sure that the connector plug is appropriate 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 12 Please do not pull on any cable Always hold on to the plug when disconnecting cables 13 This equipment may be used for th...

Page 12: ...rovides the wide measurement range from 25D to 25D 5 LM 7800 supports precise measurements guaranteed by 0 01D measurement unit 6 Measuring progressive multi focal lenses and general multi focal lenses can be performed easily and rapidly 7 LM 7800 can measure soft contact lenses easily and accurately using the specialized mechanical jig and the display but contact lens zig is optional 8 LM 7800 su...

Page 13: ... malfunction After using this instrument turn off power supply and keep the dust cover over it 7 Don t use organic solution such as thinner benzene etc to clean the surface of this instrument It may damage the instrument 8 There is a risk of explosion if an incorrect type of battery is used Dispose used batteries according to the instructions 9 Disconnect the power supply and consult the dealer in...

Page 14: ...Unit Figure 1 Component Names I 1 LCD 4 Lens Support 7 Marking Lever 10 Printer 1 2 Key 2 Key Button 5 Memory Button 8 Lens Table 3 Lens Holder 6 UV Cover 9 Table Lever 3 Lens 4 Lens 5 Memory Button 6 UV Cover 7 Marking Lever 8 Lens 9 Table 10 Printer ...

Page 15: ...14 LM 7800 Figure 2 Component Names II Figure 3 Component Names III 1 Power Switch 2 Power Cable 1 Power 2 Power ...

Page 16: ...Printing Paper 2 Dust Cloth 3 Fuse 250V T3 15AL 4 Tweezers A kind of tool to pick up the contact lens 5 Power Cable 6 Dust Cap 7 User s Manual 8 Blower 9 Ink 10 Ink Case 11 Contact Lens Jig mechanical jig for measuring a contact lens Optional ...

Page 17: ...he bottom of the body Step 2 Checking the initial status Turn on the power switch and make sure that this instrument is functioning properly While starting the equipment be sure not to place anything on the lens cap If you encounter any problem with your equipment during boot up you ll see the following message on the screen display No Signal or Out of range If so clean the 4 pin hole Refer to Sec...

Page 18: ... t zero clean the 4 pin hole And then turn off and on again If the problem persists please contact your local distributor or the manufacturer f If SPH CYL and AXIS are zero it s okay with your equipment 6 3 Display protection function When the instrument is not used for a few minutes display protection function works automatically In display protection mode the instrument shows several different p...

Page 19: ... 7 1 Switching Screen According To the Button Selection Normal Lens Mode Progressive Lens Mode Soft Contact Lens Mode Hard Contact Lens Mode UV Lens Mode D Sunglasses Lens Mode Figure 5 Switching Screen According To the Button Selection ...

Page 20: ...o transpose the sign of cylindrical reading PROG Enter the Progressive Multi Focal Screen SOFT CNCT To go into the display for soft contact lens HARD CNCT To go into the display for hard contact lens UV To Enter the UV Measurement Screen D SUN To measure the heavy dark sunglass lens ...

Page 21: ...eft right lens CLEAR To Initialize data and convert screen You can initialize data and screen by using this button PRINT To print the current memorized data CAL To set the current state of transmission into 100 RUN To start recording the current data STOP To stop recording the current data and to memorized the average value MEM button To memorize the current measured value ...

Page 22: ...scription of Screen Layout 8 1 Measurement Screen 1 Active Direction 4 Measuring point 5 Lens Type 2 Cylinder 3 Sequential No 6 Measured Data 7 Message Box 11 Total PD 10 ABBE Data 8 State icon 9 Prism Type Figure 6 Screen Layout ...

Page 23: ... the surface of the lens Lens Type Tells whether the current lens in measuring is a general lens a progressive lens a soft contact lens a hard lens a uv lens or a d sunglasses lens Measured Data Box for displaying the measured data Each meaning of the content is as show n below l S basic power l C cylinder power l A cylinder axis l P prism X prism Y l PD RPD or LPD l ADD progressive power 1 and 2 ...

Page 24: ...nstable Signal contact lens measurement when signal is bad appear State Icon Represents that there is no lens inserted on the left bottom of the screen If you insert a lens a figure will be shown which illustrates lens on the lens support The lens icon with a curved band represents the progressive lens inserted on the lens cap Prism Type Is displayed selecting 5 Prism 10 Prism ABBE Data Is display...

Page 25: ...s 8 2 1 Detail explanation Measuring Point This cross marker displays the current measuring point while finding the far focus Target You should move the cross marker to the center of the target for far focus Add Value This rectangle shows the current ADD value 2 Target 1 Measuring Point 3 Add Value ...

Page 26: ...ide stored value Current Transmission Ratio Displays the transmission ratio in a bar graph form Right Transmission Ratio Shows the right side stored value Transmission Height Shows the height of the current transmission height 3 Right Transmission Ratio 1 Left Transmission Ratio 4 Transmission Height 2 Current Transmission Ratio ...

Page 27: ...lanation Signal Shows the share of every signal Start Stop Record Start Start recording the continuous measurement Stop Stop recording the continuous measurement calculates the average value of all readings and then stores them Score Graph for Each Point Shows the score of every signal If one of them is lower than the criteria line 1 Signal ...

Page 28: ... LM 7800 User Guide 27 the reading at that moment must be thrown away 8 5 D Sunglasses Lens Display Figure 10 D Sunglasses Lens Display 8 6 Setup Screen Figure 11 Setup Display ...

Page 29: ...uto storing function turns on auto storing progressive function ON PROG OFF turns on auto storing function turns off auto storing progressive function OFF PROG ON turns off auto storing function turns on auto storing progressive function OFF PROG OFF turns off auto storing function turns off auto storing progressive function AUTO R L ON R L turns on auto decision of right or left lens Initially th...

Page 30: ...ated value for MID ABBE 40 49 LOW XX XX designated value for LOW ABBE 30 39 PRISM MODE 5 P MODE display unit 5 P 10 P MODE display unit 10 P 15 P MODE display unit 15 P BPS Selects the speed of the external communication 9600 communication speed by 9600 19200 communication speed by 19200 38400 communication speed by 38400 57600 communication speed by 57600 115200 communication speed by 115200 SPH ...

Page 31: ... for the specified second and then stop automatically AUTO REC XXs designate the seconds for the continuous measurement NAME You can input the company name here The company name will be displayed at the upper part of the printing paper Select the input string by using the second third fourth and the fifth buttons from the left side and select the displaying position by the sixth button Pressing th...

Page 32: ...UTO PRINTER ON turns on the auto printing OFF turns off the auto printing FRAME PRINT ON print the frame graph at printing OFF doesn t print the frame graph at printing PRISM STEP 0 01 display unit 0 01 0 12 display unit 0 12 0 25 display unit 0 25 SEQ NO DISPLAY ON show the sequential number for customer at the display OFF doesn t show the sequential number for customer at the display SEQ NO RESE...

Page 33: ...atic measurement Select the input position by the left fourth and the fifth button and increase decrease the number by the second and the third button Pressing the first button causes escape without saving and pressing the last button sixth button at the SAVE yields saving the changes 8 7 Printout Format Printout format example is as follows Figure 12 Printout Format of Framed Glass INFORMATION IN...

Page 34: ... measurement The symbol S must appear on the upper right part of the screen But AUTO R L function is turned ON R L in SETUP mode R will be shown Step 2 Place the lens on the support and lower the lens holder Step 3 Move the cross mark of prism over the center of the concentric circles OFF center ALIGNMENT OK MARKING OK Figure 14 Order for Focusing ...

Page 35: ...ed If you press the MEM button again updat ed value will be memorized AUTO MEASURE function is turned on in SETUP mode MARKING OK will be shown And if you keep the state without any action more than 1 second the measured data will be memorized automatically Step 6 Press the PRINT button to print the measured data You will see one of the following figures on the left bottom of the screen according ...

Page 36: ...ens with power the figure on the left bottom of the screen will display lens support with lens Move lens gently and softly with care After placing the lens on the lens support Lower directed impact or sudden moving might result in the scratch or crack of the lens 9 2 Framed lenses Figure 16 Measurement of Framed Lens Step 1 Press the S R button to enter the measuring framed lens environment Then L...

Page 37: ...to the selection of the S R button the selection of the S R button will be ignored You should use the S R button to select the lens for measuring in the following three cases when PD function option is not supported PD function is off or AUTO R L function is off Step 6 Move the lens so that the MARKING OK appears focusing And place the PD location sensor in the middle of the frame when PD function...

Page 38: ...is properly operated 9 3 Progressive Multi Focal Lenses 9 3 1 The structure of progressive powered lens The Uncut Lens Figure 17 The structure of single lens The lens should be placed with its horizontal marks parallel to the lens table Initially the lens should be placed as shown in the picture The near vision area is beside of the lens table CAUTION INFORMATION INFORMATION Eye point mark for dis...

Page 39: ...lift up the lens by hand at the time of measurement Place the lens holder over the lens in order to hold the lens by foot Then move the lens forward backward or left right for measurement Lifting up the lens may cause the error in the measurement 9 3 2 Judging progressive lens Step 1 Make sure that the icon in the left bottom of display is in the standard mode as picture Step 2 Place the lens over...

Page 40: ...etection Step 3 The icon in the left bottom of display will be changed as below Standard Progressive icon The display will be automatically changed to progressive mode Figure 20 The changes of state icon Automatic Detection may not be available in case the progressive power is less than 1D If so press PROG button for progressive measurement INFORMATION INFORMATION ...

Page 41: ... The power of far focus will be automatically detected and memorized with the beep sound in case the cross marker is placed at the center properly Automatic detection may not be available if the progress area is expanded into the far vision focus In this case placed the cross marker at the close point to the center and press MEM button to set the focus of far vision Do not lift up the lens by hand...

Page 42: ...of the tolerance range move the right lens to right left lens to left since the near focus is located at 2 3mm toward the center of frame Step 2 Pull the lens till the vertical indicator for near focus reaches to the criteria for near focus Then the add value will be automatically detected and memorized with the beep sound case 1 As for small framed lens the near focus is very closed to the lower ...

Page 43: ...nt Do not detect the progressive lens automatically Cause 1 Lens holder is not located in the progressive area Normal lens icon will be displayed in the left bottom of display Solution Move the lens to the progressive area for progressive measurement Cause 2 The progressive power is less than 1D Solution Move the lens to the close point of near focus and then press MEM button for progressive measu...

Page 44: ...minimized whiling securing the tolerance range of horizontal indicator Then press MEM button to set the focus of near vision in case the add power is maximized Measurement date may be a little bit different from the actual data Error in the measurement data especially the lens over 4D of near vision power Cause 1 Lift up the lens by hand at the time of measurement Solution Place the lens holder ov...

Page 45: ...the ADD button to enter the measurement mode for the second ADD value Step 5 Press the MEM button after placing the lens over the third focus The second ADD value will be memorized 9 4 2 Measuring at the Progressive Display Step 1 Press the PROG button to activate the progressive display Step 2 Place the lens over the first focus The measurement is done automatically Step 3 Move the lens over the ...

Page 46: ...ss marker to go to the center of the display Step 6 Be sure that the heights of all score bars are higher than the criteria line Otherwise wait a little bit more or move the soft lens a little bit so that the height of score bars become equal or more than the criteria line Step 7 Press the START RECORD button to trigger the continuous measurement After a few second Press the STOP RECORD button You...

Page 47: ...he UV cover Step 3 Press the CAL button to calibrate the transmission ratio into 100 if it is not Step 4 Place the lens on the UV detector Step 5 Press the MEM button to memorize the transmission ratio and press the PRINT button for printing the measured data NOTE As it measures UV transmission ratio by assuming plano concave result can include some error due to refractive power of measuring lens ...

Page 48: ... dark D Sunglasses lenses The test results are just for reference only 9 9 Marking Focus and Cylindrical Axis 9 9 1 When there is no astigmatism Step 1 Place the lens and control the lens so that it becomes MARKING OK Step 2 Turn the Marking lever which is vertical by 90 to make it horizontal And then mark focus and cylindrical axis Step 3 Mark focus and cylindrical axis by using the marking lever...

Page 49: ...prescription slip Step 3 Turn the Marking lever which is vertical by 90 to make it horizontal And then make marking focus and cylindrical axis 9 10 Prism Step 1 Change the display format as the form X Y P B mm in the prescription slip You can do this on the setup screen Step 2 Control the lens so that the display value on the screen coincides with the prescribed prism value ...

Page 50: ...he printer shaft and put the shaft into the pre defined position Step 3 Lift the printer lever and insert the shaft with paper Step 4 Lower the printer lever and turn the feeding velvet to roll the paper Step 5 Close the printer cover Step 6 Advance the paper out of the printer cover Use a thermal printing paper of the width 57mm and the diameter of roll 50mm INFORMATION ...

Page 51: ...50 LM 7800 10 2 Replacing Fuse Figure 25 Replacing fuse Step 1 Pull out the fuse box Step 2 Replace the old one with the new one Step 3 Put into the fuse box with the new one Power Cable Fuse ...

Page 52: ...0 3 Storage During night time be sure to cover the dust cloth because some dust may spoil your equipment If you don t use your equipment for one week or more make sure that the dust cap should be fitted into the lens support as the below picture INFORMATION Dust Cap Lens Support ...

Page 53: ...es 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 When disposing packing materials sort them by the materials and follow local governing ordinances and recycling plans ...

Page 54: ... when there is no signal OUT OF RANGE Is displayed when there is out of range signal UNSTABLE SIGNAL Contact lens measurement when signal is bad appear 11 2 How to clean pin hole While your machine is being started up if there is the warning message No Signal or Out of range please clean the 4 pin hole at first Just use your lens towel But don t use liquids such as alcohol acetone etc Never use li...

Page 55: ...125 0 25Δ Measurement Modes Cylinder Prism Rectangular Polar Displacement Sampling Speed 0 016 seconds LED Wavelength 545 nm Contact Lenses Hard and Soft Abbe Values Manual Compensation Wavelength e Line d Line Display TFT LCD Display 320X240 LED Backlight Data Output RS 232C Printer BPS 9600 19200 38400 57600 115200 bps Dimensions 196 W x 253 D x 398 H mm 7 72 in x 9 96 in x 15 70 in Weight 5 5Kg...

Page 56: ...ck these information such as Model and Serial Numbers To do so fill up the following table as soon as you purchase our product You can look up these information at any time The serial number is found on the back of this unit The serial number is unique to this unit You should retain this manual as a permanent record of your purchase Please retain your purchase receipt as your proof of purchase Dat...

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