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Nidek Medical LM-1800P Operator's Manual
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Nidek Medical LM-1800P Operator's Manual

Nidek Medical LM-1800P Operator's Manual

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AUTO LENSMETER
LM-1800P/LM-1800PD
OPERATOR'S MANUAL
Be sure to read the SOFTWARE LICENSE
AGREEMENT (page I) before using this product.

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Summary of Contents for Nidek Medical LM-1800P

  • Page 1 AUTO LENSMETER LM-1800P/LM-1800PD OPERATOR’S MANUAL Be sure to read the SOFTWARE LICENSE AGREEMENT (page I) before using this product.
  • Page 2 Original instructions NIDEK CO., LTD. : 34-14 Maehama, Hiroishi-cho, Gamagori, Aichi 443-0038, JAPAN (Manufacturer) Telephone: +81-533-67-6611 URL: https://www.nidek.com/ NIDEK INC. : 2040 Corporate Court, San Jose, CA 95131, U.S.A. (United States Agent) Telephone: +1-800-223-9044 (USA Only) URL: https://usa.nidek.com/ NIDEK S.A. : Ecoparc, rue Benjamin Franklin, 94370 Sucy En Brie, FRANCE (EU Authorized Representative) 2023-06-23...
  • Page 3 31019-P902-C7...
  • Page 6 There are no parts within the device that require servicing by the user other than printer paper. This manual is described mainly using the screen samples of the LM-1800P. If you encounter any problems or have questions about the device, please contact NIDEK or your authorized distributor.
  • Page 7 Usage precautions Before use • If any serious device-related incident occurs, report it to Nidek and the competent WARNING authority in the country where the user or patient, or both reside. • Never use the device for other than its intended purpose. CAUTION NIDEK will not assume responsibility for accidents or malfunction caused by misuse.
  • Page 8 • Do not use any power cord other than the one provided. Do not use the provided cord CAUTION for any other instrument. Malfunction or fire may result. • Install the device where the outlet that the power plug is inserted into is easily accessible during use.
  • Page 9 After Use • While the device is not in use, turn it off. CAUTION • The device uses a heat-sensitive printer paper. To keep the printed data for a long period of time, make copies of the printouts. The paper degrades over time and the printed data may become illegible. •...
  • Page 10 Maintenance • Only service personnel trained by NIDEK are allowed to repair and service the device. CAUTION NIDEK assumes no responsibility for any adverse events resulting from improper ser- vicing. • When performing maintenance work, secure a sufficient maintenance space. Maintenance work in an insufficient space may result in injury.
  • Page 11 Table of Contents 1. BEFORE USE ........1 1.1 Device Outline .
  • Page 12 2.8 Measuring Contact Lenses ..........71 2.9 Various Measurements .
  • Page 13 4.4 Replacing Printer Paper ..........144 4.5 Ink Refilling .
  • Page 15 BEFORE USE Device Outline The NIDEK AUTO LENSMETER LM-1800P/LM-1800PD measures the optical performance of specta- cle lenses such as single vision, bifocal (trifocal), and progressive power lenses or contact lenses. This device has a measuring unit and a display unit in front, and a printer unit on the right side. The measuring unit is comprised of a nosepiece, lens table, lens holder, and lens marker.
  • Page 16 BEFORE USE: Intended Use Intended Use This device is designed to measure vertex powers and prismatic effects of spectacle and contact lenses, to orientate and mark uncut lenses, and to verify the correct mounting of lenses in spectacle frames. Intended User Profile Any qualified personnel such as ophthalmologists, nurses, or optometrists (irrespective of nationality, culture, or style of dress) Intended Use Environment...
  • Page 17 Used to save measured data. Never remove the Eye Care card while it is being accessed. When the Eye Care card is inserted while the measured data is saved in the memory of the LM-1800P/LM- 1800PD, the data is automatically written to the card.
  • Page 18 BEFORE USE: Device Configuration Read button Used to read measured data. This button locks in the measurement data on the screen to be saved in the memory. When a measurement error occurs, the read button becomes disabled. Extended pressing of the button for about 1 second starts the transmittance measurement. Pilot lamp Indicates On or Off of the power to the device.
  • Page 19 When the device is connected to the AR-600/330A series, AR-1 series, ARK-700/530A series, ARK-1 series, or RKT-7700/TONOREF II, the data measured with the LM-1800P/LM-1800PD can be printed with the connected device. To connect the optional foot switch, also use this port.
  • Page 20 BEFORE USE: Device Configuration LAN cable port Used for Ethernet LAN. Power inlet Used to connect a removal power cord. USB port A (host) Port for a USB flash drive, barcode scanner, or magnetic card reader. USB port B (device) USB port for transferring the measured data to a computer.
  • Page 21 BEFORE USE: Screen Configuration Screen Configuration 1.6.1 Measurement screen  There are four measurement screens, Auto measurement screen, Normal measurement screen, Progressive power lens (PPL) measurement screen, and Contact lens (CL) measurement screen. The screen below shows the normal measurement screen to measure single vision lenses or bifocal (trifocal) lenses.
  • Page 22 BEFORE USE: Screen Configuration CYL +/- value switching button Changes the cylinder reading setting between positive (+) and negative (-). Pressing this button again returns to the setting set with the parameter. Pressing any button other than , or also returns to the sign set with the parameter. Indicates that data is displayed in the cylinder reading set with the Cylinder (light blue) parameter.
  • Page 23 BEFORE USE: Screen Configuration Eye Care card button Indicates the Eye Care card state. Extended pressing of this button for about 1 second clears the data on the card. (White): The Eye Care card is not inserted. (Black): The Eye Care card is inserted. Eye Care card (Green): The Eye Care card is being accessed.
  • Page 24 BEFORE USE: Screen Configuration (Single) The lens side is not selected. The measurement has been performed. (blue) The measurement is not performed yet. (white) The left-eye side is selected. The measurement is being performed. (green) The left-eye side is selected. The measurement has been performed. (blue) The measurement is not performed yet.
  • Page 25 When this button is pressed before the measured data is locked in, the data is locked in and printed. When the LM-1800P/LM-1800PD is connected to an external device, the measured data is transmitted at the same time of printing.
  • Page 26 BEFORE USE: Screen Configuration  Other indications on the measurement screen These indications are for measuring the PD (LM-1800PD only), lens diameter, or net vertical prism with the lens table or nose slider. Net vertical prism (NV) (LM-1800PD only) Indicates the net vertical prism (difference of the optical center or eyepoint level between the right and left lenses).
  • Page 27 BEFORE USE: Screen Configuration  Progressive Power Lens (PPL) measurement screen This is the screen to measure progressive power lenses. Crossline Add graph (LM-1800PD only) Indicates the transition of the add power from distance to near portion in graph. Only when the Add graph parameter is set to “On”, this icon is displayed. Add power +/- value switching button This button is displayed after add power measurement.
  • Page 28 BEFORE USE: Screen Configuration  Contact Lens (CL) measurement screen This is the screen to measure contact lenses. SE value A SE (spherical equivalent) value is displayed in addition to lens measured data.
  • Page 29 BEFORE USE: Screen Configuration 1.6.2 Transmittance screen  This is the screen to display the GREEN (visible light) and the UV (ultraviolet rays) transmittance. This screen is displayed only when the Transmittance parameter is set to “On” or “With”.  The transmittance measured results are displayed visually and emphatically. In addition, the transmittance can be compared after additional measurement.
  • Page 30 BEFORE USE: Screen Configuration Retry button Measures the transmittance of the same lens again. Target indication The target is displayed for lens alignment. The range inside the circle is within 4. When the target is in circle, its shape changes from circle to cross. Compare measurement button Measures the transmittance of other lenses.
  • Page 31 BEFORE USE: Screen Configuration 1.6.3 Prism layout measurement screen  This is the screen to mark lenses for heterophoria prescriptions using the prism layout function. As with the measurement screen, transmittance can be measured. However, it is not possible to measure Add powers.
  • Page 32 BEFORE USE: Screen Configuration Setting indications The auto read settings are not displayed. On the prism layout screens, auto read is disabled regardless of the setting. The indications of the Abbe number, step, cylinder reading, reference wavelength, and Eye Care card are dis- as those on the measurement screen.
  • Page 33 BEFORE USE: Screen Configuration The figure to the right is a display sample of the numerical (Base up/down) keypad for rectangular coordinates U2.75 To enter prism prescriptions, select U or D for base up/down or I or O for base in/out first and enter the values. Examples: Base up (U#.
  • Page 34 BEFORE USE: Screen Configuration 1.6.4 Measurement using scale mode function  The values of the LPD/RPD (1/2 PD), PD, and height can be measured easily by aligning the marked lenses to the scale displayed on the screen.  Scale mode screen When the PD measurement parameter is set to “On”, the following screen is displayed.
  • Page 35 BEFORE USE: Screen Configuration allows the height scale origin line to be moved. When the height scale origin line is moved near the scale, the scale is automatically moved as well. Scale down button Moves the scale down. When the button is held, the scale moves down continuously. Scale up button Moves the scale up.
  • Page 36 BEFORE USE: Screen Configuration  Scale mode screen (When the PD measurement parameter is set to “Off” or “R/L only”) When the PD measurement parameter is set to “Off” or “R/L only”, or when using the LM-1800P, the fol- lowing screen is displayed.
  • Page 37 BEFORE USE: Screen Configuration 1.6.5 Refractive index measurement screen  This is the screen to measure the refractive index of lenses. The optional software of simple refractive measurement system for eyeglass lenses, (GO-MEISAN ) is necessary. The refractive index measurement screen is switched from each measurement screen other than CL measurement screen.
  • Page 38 BEFORE USE: Screen Configuration 1.6.6 Parameter screen  This is the screen to set parameters related to each setting of the device. Page change buttons Display the next or previous page of the parameter screen. Parameter names Parameter names are displayed. Parameter settings Parameter settings are displayed and changed.
  • Page 39 BEFORE USE: Screen Configuration The current parameter settings are saved and the screen changes to the refractive index measurement screen. Comments button Changes to the comments screen. Network communication test button Extended pressing the button for 1 or more seconds initiates the checking function in the order: network connection, file saving, file deletion, and network shutoff.
  • Page 40 BEFORE USE: Screen Configuration 1.6.7 Comments screen  This is the screen to enter comments displayed in the printout. Uppercase alphabet button Uppercase alphabet letters are entered. Lowercase alphabet button Lowercase alphabet letters are entered. Numeric button Numeric characters are entered. Symbol button Symbols are entered.
  • Page 41 BEFORE USE: Labels and Symbols Labels and Symbols To call attention to operators, some labels and indications are provided on the device. If labels are curling up or characters fade and become barely legible, contact NIDEK or your autho- rized distributor. Indicates that the operator is advised to refer to the related instructions in the operator’s manual.
  • Page 42 BEFORE USE: Packed Contents Packed Contents Unpack the contents from the shipping carton and check them. The following are included in the standard configuration. • Main body • Nosepiece for contact lenses • Printer paper (three rolls) • Power cord •...
  • Page 43 BEFORE USE: System Setup System Setup 1.9.1 Connecting cables and starting the device Put the device on a stable table. Lay the device down gently. Power inlet Connect with the peripheral devices if necessary. For details of connecting peripheral devices, see “3 OPERATION WHEN PERIPHERAL DEVICES ARE CON- NECTED”...
  • Page 44 At first use, the time and date setting screen are displayed after the initial screen. Set the time and date as necessary. See “1.9.2 Setting date and time” (page 32). LM-1800P initial screen LM-1800PD initial screen Confirm that the measurement screen is displayed.
  • Page 45 BEFORE USE: System Setup • If an error appears, it may be due to disturbance light. Spot light Avoid installing the device on a place where it is exposed to direct sunlight or near the illumination. In particular, ensure that the device is not illuminated by a spot light from the upper front.
  • Page 46 BEFORE USE: System Setup 1.9.2 Setting date and time In the parameter setting screen, set the date and time, and the order of display for them to be printed. Display the parameter setting screen. Press and hold for about 1 second in the measurement screen.
  • Page 47 OPERATING PROCEDURE Operation Flow Turning the device on 2.2 Preparation for Measurement (page 34) Measurement 2.3 Setting Lenses (page 37) 2.4 Measuring Single Vision Lenses (page 41) 2.5 Measuring Bifocal Lenses (page 45) 2.5.1 Measuring add power with normal accuracy (page 45) 2.5.2 Measuring add power more accurately (page 45) 2.6 Measuring Progressive Power Lenses (page 51) 2.6.1 Measuring uncut lenses (page 51)
  • Page 48 Electric shock may occur in the event of trouble or power leak. Turn the power switch on ( The initial screen appears. Wait for a while until the screen changes to the measurement screen. LM-1800P initial screen LM-1800PD initial screen After initialization, the screen changes to the measurement screen.
  • Page 49 OPERATING PROCEDURE: Preparation for Measurement  Measurement screen at power-on According to the Initial screen and Contact measurement parameters, and the type of the attached nosepiece, the measurement screen displayed after initialization differs. • Settings of the Initial screen parameter Parameter settings Measurement screen to be displayed at start-up Auto...
  • Page 50 OPERATING PROCEDURE: Preparation for Measurement • When the parameter is set to “only”: Regardless of the Initial screen parameter setting, CL measurement screen appears. Confirm that the nosepiece is for contact lenses. Contact Lens (CL) measurement screen  Details of target The target form displayed on the measurement screen can be selected with the Target parameter.
  • Page 51 OPERATING PROCEDURE: Setting Lenses Setting Lenses • Confirm that there is no dust on the top of the nosepiece and lens holder before setting lenses. It may damage the lenses. When a lens is smeared after cleaning of the nosepiece and lens holder, request maintenance such as part replacement.
  • Page 52 OPERATING PROCEDURE: Setting Lenses 2.3.2 Setting mounted lenses Set mounted lenses on the nosepiece. Mounted lens Place the frames with the front surface up on the nosepiece. Nosepiece Set the lens table. Pull the lens table lever forward until the lens table comes into contact with the bottom of the frames.
  • Page 53 OPERATING PROCEDURE: Setting Lenses 2.3.3 Lens setting for PD measurement (LM-1800PD only) For mounted lenses, the optical center distance between the right and left lenses can be measured. • For cylinder-only lenses, high power lenses, or sharply warped frames, the PD measurement accuracy may be lowered.
  • Page 54 OPERATING PROCEDURE: Setting Lenses Set the lens table. Pull the lens table lever forward until the lens table comes into contact with the bottom of the frames. • Make sure that the bottom of both frames comes into contact with the lens table. If the frames are off the lens table, an error may occur in the axis value.
  • Page 55 OPERATING PROCEDURE: Measuring Single Vision Lenses Measuring Single Vision Lenses Single vision lenses are measured in the auto measurement screen or normal measurement ■ screen. Specify the lens side if necessary. Press to specify the left-eye lens or right-eye lens. The R or L indication blinks indicating the measuring lens side.
  • Page 56 OPERATING PROCEDURE: Measuring Single Vision Lenses • The auto read function can be selected with the Auto read S or Auto read R/L parameter. Locking in measured data The measured data on the screen is locked in and saved in the memory. The R/L indication becomes blue.
  • Page 57 OPERATING PROCEDURE: Measuring Single Vision Lenses  Changing the cylinder reading Pressing toggles the sign of the cylinder value between positive (+) and negative (-). Indicates that the cylinder value is displayed in the cylinder reading set with the Cylinder parameter. Indicates that the cylinder value is displayed with opposite sign of the cylinder (Orange) reading setting set with the Cylinder parameter.
  • Page 58 OPERATING PROCEDURE: Measuring Single Vision Lenses  Uncut lens diameter indication To display the lens diameter, set the Lens diameter measurement parameter to “On”. This value doubles the distance from the nosepiece center to the lens table. • When the Lens diameter measurement parameter is set to “On”, the lens diameter is always displayed depending on the lens table position.
  • Page 59 OPERATING PROCEDURE: Measuring Bifocal Lenses Measuring Bifocal Lenses Bifocal lenses (or trifocal lenses) can be measured sequentially in the order of the distance portion ■  near portion (for trifocal lenses, distance portion  intermediate portion  near portion). Measure the lens in the auto measurement screen or normal measurement screen. ■...
  • Page 60 OPERATING PROCEDURE: Measuring Bifocal Lenses Measure the near add power ( : 1st add power). Pull the lens forward to bring the near por- tion onto the nosepiece. When the add power is detected, the auto add measurement function places the device into add power measurement.
  • Page 61 OPERATING PROCEDURE: Measuring Bifocal Lenses Bring the near portion onto the nosepiece. The near add power (A2: 2nd add power) appears on the screen. • It is not necessary to align the target. Press The near add power (A2) is locked in. Auto read function is disabled so press to lock in the measured data.
  • Page 62 OPERATING PROCEDURE: Measuring Bifocal Lenses 2.5.2 Measuring add power more accurately Measurement error occurs due to the lens thickness between the segment and nosepiece. ■ Measure the add power in the way to correct the error. It is especially effective when the base lens is thick.
  • Page 63 OPERATING PROCEDURE: Measuring Bifocal Lenses • In the convex surface add measurement, auto read works according to the setting of the Auto read S or Auto read R/L parameter. Set the distance portion with the concave Convex surface add measurement icon side up as shown on the right.
  • Page 64 OPERATING PROCEDURE: Measuring Bifocal Lenses Set the near portion. Pull the lens forward to bring the near por- tion onto the nosepiece. The near add power (Add) is displayed. • It is not necessary to align the target. Press The measured data of the near add power (Add) is locked in.
  • Page 65 OPERATING PROCEDURE: Measuring Progressive Power Lenses Measuring Progressive Power Lenses 2.6.1 Measuring uncut lenses Measure a lens at the marks of the distance portion and near portion printed on the lens in the same manner as “2.5 Measuring Bifocal Lenses” (page 45). Distance power measuring position Horizontal reference...
  • Page 66 OPERATING PROCEDURE: Measuring Progressive Power Lenses Change the screen to the PPL measure- ment screen. Press the measurement mode indication on the normal measurement screen to dis- play the PPL measurement screen. To switch from the auto measurement screen to the PPL measurement screen, see “...
  • Page 67 OPERATING PROCEDURE: Measuring Progressive Power Lenses 2) Move the lens in the horizontal direc- tion to align the target with the vertical line of the crossline. 3) Slowly move the lens toward the device (upward on the screen) refer- ring to the target to align it with the crossline.
  • Page 68 OPERATING PROCEDURE: Measuring Progressive Power Lenses • When the Distance auto read parameter is set to “Off”, press when the target changes to (cross) in Step 5) and the measured data stabilizes. • When the distance portion cannot be detected in normal measurement, bring the distance portion onto the center of the nosepiece, and then press •...
  • Page 69 OPERATING PROCEDURE: Measuring Progressive Power Lenses • If the indicator for near portion ( ) appears while aligning the lens vertically, align the lens horizontally again. Align the lens vertically without indicator for near portion ( ) displayed. • When the indicator for near portion ( ) above the target does not disappear: For small vertical frames, the indicator for near Near portion of the lens...
  • Page 70 OPERATING PROCEDURE: Measuring Progressive Power Lenses When PD has not been measured When the target changes to (cross) and the measured data stabilizes, the mea- sured data is automatically locked in. The “Near measurement complete” mes- sage appears. • When the near portion cannot be detected in normal measurement, place the near portion on the center of the nosepiece and then press When PD has been measured The near portion inside amount (Ins) is displayed.
  • Page 71 OPERATING PROCEDURE: Measuring Progressive Power Lenses Measure the other lens if necessary (in the R/L state). When the PD measurement parameter is set to “Off”, press to specify the left- eye or right-eye lens. Follow the same steps as the first lens. Press to print the measured results.
  • Page 72 OPERATING PROCEDURE: Measuring Progressive Power Lenses  Measurement screen in the single state When the lens side is not specified (single state), a round lens is displayed in form on the screen. The measurement procedure is the same as when the lens side is specified.
  • Page 73 OPERATING PROCEDURE: Measuring Progressive Power Lenses  Screen change in auto measurement When the lens on the nosepiece is detected as a progressive power lens on the auto measurement screen (normal measurement), the screen changes to the PPL measurement screen (auto measure- ment mode) automatically.
  • Page 74 OPERATING PROCEDURE: Measuring Progressive Power Lenses  PD indication in PPL measurement (LM-1800PD only) PD measurement of the distance portion PD displayed in orange indicates that PD measurement is not performed correctly due to a lens with simple astigmatism at the distance portion or equivalent. When PD is displayed in orange, the position of the nose slider is displayed as the PD data.
  • Page 75 OPERATING PROCEDURE: Measuring Progressive Power Lenses 2.6.3 Measuring the progressive length (LM-1800PD only) When a lens is measured on the progressive power lens measurement screen with the Length ■ parameter at “On”, the length (mm) from the add start point (0.2 D add) of a progressive power lens to the near portion (near measuring point) can be measured.
  • Page 76 OPERATING PROCEDURE: Measuring Progressive Power Lenses 2.6.4 Measuring the channel width (LM-1800PD only) When the Channel width parameter is set to “On”, the width of the progressive zone can be ■ measured. The measurement only applies to the mounted lens since the nose slider is used as a measuring tool.
  • Page 77 OPERATING PROCEDURE: Measuring Progressive Power Lenses With the “Near measurement complete” message displayed, press and hold for about 1 second. Channel width measurement mode turns on and the “Conducting channel width measurement...” message appears. The target disappears. A box that displays “length from the dis- tance portion (0.2 D add point) (Len)”...
  • Page 78 OPERATING PROCEDURE: Measuring Progressive Power Lenses Slowly move the lens horizontally to align the channel width boundary with the cross- line. Depending on the lens position, the target appears. The shape of the target indicates the variations in lens powers. Position changed in 0.25 D from the distance cylinder value (Green): Position changed in 0.50 D from the distance cylinder value...
  • Page 79 OPERATING PROCEDURE: Measuring Progressive Power Lenses Press With the Channel width auto read parame- ter set to “0.25” or “0.50”, auto read is automatically performed when the lens is placed in the appropriate position in Step 7 and the measured data stabilizes. The measured data of the channel width is locked in.
  • Page 80 OPERATING PROCEDURE: Measuring Progressive Power Lenses 2.6.5 Progressive power lenses for small vertical frame When the height of the processed lens is small and near portion is not intact, the display is changed to alert that the correct near power has not been measured. When the edge of the lens is found before the near portion is detected, a small lens image is displayed on the screen.
  • Page 81 OPERATING PROCEDURE: Measuring Progressive Power Lenses Measurement with lens table 1) Set mounted lenses. Place the frames on the nosepiece with the lens convex side up, and pull the lens table until it comes into contact with the bottom of the frames. Secure the lens with the lens holder.
  • Page 82 OPERATING PROCEDURE: Measuring Progressive Power Lenses • When the lens table is pulled at the far front and not moved, near portion can be detected by mounting the frames on the nosepiece again even if the frame becomes out during measurement.
  • Page 83 OPERATING PROCEDURE: Measuring Prism Lenses Measuring Prism Lenses This is the method to measure prism power of mounted prism lenses. Set the Prism parameter in ■ advance. The measured prism value is displayed by polar coordinates. BU/D BI/O The measured prism value is displayed by rectangular coordinates. The measured prism value is not displayed.
  • Page 84 OPERATING PROCEDURE: Measuring Prism Lenses • It is not necessary to align the target. Press The measured data is locked in. • If the “Measurement error” message appears, the mark may interrupt the measuring beam. Move the lens slightly to achieve the measured data. Measure the other lens if necessary.
  • Page 85 OPERATING PROCEDURE: Measuring Contact Lenses Measuring Contact Lenses Replace the nosepiece with the one for contact lenses. The top of the nosepiece for contact lenses is smaller than the standard one. Nosepiece Change the screen to the CL measure- ment screen. Press the measurement mode indication to change the screen to the CL measure- ment screen.
  • Page 86 OPERATING PROCEDURE: Measuring Contact Lenses Set a contact lens. Put the lens on the nosepiece with the Contact convex side up. lens • Hold a contact lens with tweezers or fingers. Be careful not to damage the lens. CAUTION • Only use tweezers with round tips. •...
  • Page 87 OPERATING PROCEDURE: Measuring Contact Lenses • In CL measurement, auto read function is enabled when the Contact auto read parameter is set to “On”. When the Contact auto read parameter is set to “Off”, press to perform measurement. Remove the contact lens from the nosepiece. Measure the other lens if necessary.
  • Page 88 OPERATING PROCEDURE: Various Measurements Various Measurements This section describes how to measure the transmittance, net prism (lens layout and eye point ■ level), and refractive index (optional). 2.9.1 Measuring transmittance The transmittance of visible light (GREEN. center wavelength of 535nm) and UV (ultraviolet rays, cen- ter wavelength of 365nm) can be measured by percentage unit.
  • Page 89 OPERATING PROCEDURE: Various Measurements When the Transmittance display parameter is set to “Simple” The measured result (%) of GREEN trans- mittance (G) and UV transmittance (UV) is displayed on the lower part of the screen. UV transmittance (%) When the Transmittance display parameter is set to “Compare” The screen changes to the transmittance screen and the measured result is dis- played.
  • Page 90 OPERATING PROCEDURE: Various Measurements Compare measurement of the transmittance After another lens is measured, transmittance can be compared if necessary. 1) After replacing the lens and bring the optical center to the nosepiece, press When the target becomes cross (within 4), measurement can be performed more precisely. 2) The measured result of two lenses are displayed on the comparison screen simultaneously.
  • Page 91 Accumulated in the crystalline lens, which may result in cataract. 320-380 nm Causes sunburn. The skin becomes dark. The LM-1800P/1800PD measures UV-A transmittance. Since the UV-A is the strongest, most harmful level of ultraviolet rays, measurement of the transmittance of UV-A is effective to assess protection.
  • Page 92 OPERATING PROCEDURE: Various Measurements 2.9.2 Measuring the net prism (lens layout) (LM-1800PD only) Check the layout of mounted lenses by measuring the net vertical prism. Set the Net prism ■ parameter to “On” in advance. Based on the optical center of the right-eye lens, the vertical difference Net vertical prism of the optical center of the left-eye lens is indicated with prism.
  • Page 93 OPERATING PROCEDURE: Various Measurements • Change of table position indicator Pull the lens table forward The table position is changed as shown to the right. When the indicator is lit in As the lens table approaches the proper the middle position, the ...
  • Page 94 OPERATING PROCEDURE: Various Measurements 2.9.3 Measuring the net prism (eye point level) (LM-1800PD only) Measure net prisms (net vertical prism, net horizontal prism) of the eye point using mounted ■ lenses. Set the Net prism parameter to “On” in advance. Based on the optical center of the right-eye lens, the vertical difference Net vertical prism (NV),(NVP)
  • Page 95 OPERATING PROCEDURE: Various Measurements Bring the eye point marked in Step 1 to the cen- ter of the nosepiece. Make sure that the lens table touches the bot- tom of frames. • It is not necessary to align the target. Press The measured data is locked in.
  • Page 96 OPERATING PROCEDURE: Various Measurements 2.9.4 Measurement using scale mode function The values of the LPD/RPD (1/2 PD), PD, and height can be measured easily by aligning the marked lenses to the scale displayed on the screen. When reading the scale, be sure to be positioned directly facing the screen. The values taken from the reading should only be used as a guide because they may be affected by the lens they are read through.
  • Page 97 OPERATING PROCEDURE: Various Measurements Measure the LPD and RPD (1/2PD) by aligning the frame center position to the LPD/ RPD scale origin. 1) Align the scale to the markings with , or 2) Align the frame center position to the LPD/ RPD (1/2PD) scale origin.
  • Page 98 OPERATING PROCEDURE: Various Measurements  Height measurement Display the scale mode screen. See Step 1 of “ LPD/RPD (1/2PD) measurement” (page 82). Measure the desired height. 1) Align the bottom of the frames with the Height scale bottom of the screen. 2) Switch the scale origin to Align the height scale origin line to the origin point of the height desired to be...
  • Page 99 OPERATING PROCEDURE: Various Measurements 2.9.5 Measuring refractive index (optional) The refractive index is measured using a simple refractive index measurement system for ■ eyeglass lenses (GO-MEISAN). • This system aims to measure the refractive index easily. It is recommended to use the measured results as a guide.
  • Page 100 OPERATING PROCEDURE: Various Measurements Set the lens on the nosepiece. *The illustration to the right is for the LM- 1800PD. Perform alignment of the lens and press The auto read function is disabled on the refractive index measurement screen. There- fore, it is necessary to press in order to confirm the measurement.
  • Page 101 OPERATING PROCEDURE: Various Measurements 4) When the F type gel is attached, the screen changes as shown to the right. Remove the lens from the nosepiece and attach the B type gel onto the lens back surface. When the lens is removed, the screen changes as shown to the right.
  • Page 102 OPERATING PROCEDURE: Various Measurements Set the lens on the nosepiece and secure it by the lens holder. The refractive index (ne) is displayed on the screen. Set the lens so that the Gel center is aligned to the nosepiece center. The Gel may become detached from the lens because the Gel is not an adhesive but is only naturally tacky.
  • Page 103 OPERATING PROCEDURE: Various Measurements •Therefore, any Gel can be used so long as no air is trapped between the Gels and the lens. However, it is recommended to use the Gel corresponding the lens curve as listed in the chart as much as pos- sible.
  • Page 104 OPERATING PROCEDURE: Various Measurements  Using the distortion check function Set the Distortion Check parameter to “ ” or “ ”. Distortion found Lens found Place a lens to be measured on the nosepiece. Eight dots are displayed in a circle within the distortion check target area. ...
  • Page 105 OPERATING PROCEDURE: Marking 2.10 Marking This section describes marking at the optical center, marking for prism prescription (prism layout), ■ and marking for prism prescription (measurement screen) are described. 2.10.1 Marking at the optical center Marking is performed to indicate the optical center position and axis direction. ■...
  • Page 106 OPERATING PROCEDURE: Marking • When marking a cylinder lens in the bus direction, adjust the axis to 180º. Mark the lens. Marking lever Press down the marking lever to mark the lens. Three points in a line parallel to the lens table are marked.
  • Page 107 OPERATING PROCEDURE: Marking 2.10.2 Marking for prism prescription (Prism Layout) This is the procedure to mark lenses for heterophoria prescription. ■ The prism alignment function allows the operator to easily determine the marking point on the ■ lens. Prism layout function •...
  • Page 108 OPERATING PROCEDURE: Marking Specify the lens side if necessary. Press to specify the left-eye lens or right-eye lens. • It is possible to enter prism prescriptions for both left-eye and right-eye lenses in a row before marking them. Press and hold for about 1 second to set the representation method of the prism value according to the prescription.
  • Page 109 OPERATING PROCEDURE: Marking 2) Enter prism prescriptions with the numeric keypad for U2.75 rectangular coordinates. Select U or D (base up/down) or I or O (base in/out) first and enter the values. Examples: Base up (U#.##) Base down (D#. ##) 2) 2) (Base up/down) Examples: Base in (I#.##)
  • Page 110 OPERATING PROCEDURE: Marking 5.25 2) 2) 2) 2) : prism (absolute prism value) º: base (prism base direction) 3) After entering the prism prescriptions, press the print button to print the prescriptions as neces- sary. 3) 3) • Up to 20 of prism prescriptions expressed in polar coordinates can be entered. The entry of value less than 20...
  • Page 111 OPERATING PROCEDURE: Marking • When marking lenses for prism prescription, be sure to set the lens with the top of CAUTION the lens forward. If the lens is set with the wrong side toward you, the marked lens does not follow pre- scription.
  • Page 112 OPERATING PROCEDURE: Marking As necessary, mark the other lens. Press to specify the left-eye lens or right-eye lens. Mark the other lens in the same manner. • To mark both lenses in a row, enter prism prescriptions for both lenses before making. Press to return to the measurement screen.
  • Page 113 OPERATING PROCEDURE: Marking  When measuring and marking lenses in a row Perform Steps 1 to 4 of “When marking lenses only” (page 93) to enter prism prescrip- tions. Specify the lens side if necessary. Press to specify the left-eye lens or right-eye lens.
  • Page 114 OPERATING PROCEDURE: Marking Press to print the measured results. Prism prescription is printed together with the other measured data. Printing the data clears the measured data but maintains preset prism prescriptions. Prism prescriptions Press to return to the measurement screen. •...
  • Page 115 If the lens is set with the wrong side toward you, the marked lens does not follow pre- scription. For the LM-1800P/LM-1800PD, the zero degree direction of the prism base is on the operator's left as viewed from the front.This is opposite to the orientation of the lens with a manual lensmeter or blocker.
  • Page 116 If the lens is set with the wrong side toward you, the marked lens does not follow prescription. For the LM-1800P/LM-1800PD, the zero degree direction of the prism base is on the operator's left as viewed from the front. Be aware that the lens should be set with the upper side of the lens forward, which is opposite to the orientation of the lens with a manual lensmeter or a blocker.
  • Page 117 OPERATING PROCEDURE: Printing 2.11 Printing Press to print the measured data. • Print the data out after making sure that the measured data is locked in. When is pressed before the measured data is locked in, the measured data is locked in and printed.
  • Page 118 OPERATING PROCEDURE: Printing [Sample printout in measurement of progressive power lens] Depending on the setting of the Economy print parameter, printing is performed with line space reduced. Progressive length Measurement position from channel width/distance portion Right PD, Binocular PD, Left PD Near portion inside amount QR code [Sample printout in measurement of progres-...
  • Page 119 • Be sure to turn off each device before connecting the interface cable, etc. CAUTION Connecting the cable with power on may cause malfunction. Connect the AR, ARK or RKT to the interface connector of the LM-1800P/LM-1800PD with the interface cable (option: OPIF-6). Connect the cable with the device laid down.
  • Page 120 OPERATING PROCEDURE: Printing  Setting procedure Set the following parameters on the LM-1800P/LM-1800PD and AR, ARK or RKT. Set the following parameters related to communications on the LM-1800P/LM-1800PD. Parameter Settings Printer AR print Com mode NIDEK Baud rate 9600 (bps)
  • Page 121 OPERATING PROCEDURE: Data Save to the Eye Care Card 2.12 Data Save to the Eye Care Card The measured data is saved to the Eye Care card to transfer the LM data to the device such as ■ the RT-5100. The sphere, cylinder, axis, add, and prism data are each saved.
  • Page 122 OPERATING PROCEDURE: Data Save to the Eye Care Card • Never remove an Eye Care card while it is being accessed. While the card is being accessed, the icon is displayed in green. If the card is removed while it is being accessed, data is not written successfully and the Eye Care card may be irreparably damaged.
  • Page 123 OPERATING PROCEDURE: Data Save to the Eye Care Card Indications of the Eye Care card icon The Eye Care card is not inserted. (White): (Black): The Eye Care card is inserted. The Eye Care card is being accessed. (Green): Never touch the card. The error occurs while the Eye Care card is being accessed.
  • Page 124 OPERATING PROCEDURE: After Use 2.13 After Use Turn the device off. When the measurement screen is displayed, turn the power off ( • Turning the power off when the parameter screen is displayed may not save the set parameter settings. Parameter settings are saved when is pressed on the parameter screen.
  • Page 125 OPERATING PROCEDURE: Setting Parameters 2.14 Setting Parameters The LM-1800P/LM-1800PD contains the function to change each parameter setting of the device ■ according to user’s needs and preference. There are parameters related to the indication, measurement, printing, and communication. The ■...
  • Page 126 OPERATING PROCEDURE: Setting Parameters 2) Select parameter setting to display the numeric keypad. Enter the desired value and press 2) 2) When the characters of parameter setting is changed 1) Select the parameter setting to be changed. alphanumeric entry screen appears. 1) 1) 2) Select the desired alphanumeric button.
  • Page 127 OPERATING PROCEDURE: Setting Parameters 2.14.1 Parameter tables <Page 1> * Underlined options indicate factory settings. Parameter Settings Category Step 0.25, 0.12, 0.06, 0.01 Representation Cylinder +, +/-, - method Prism Off, P-B, BU/D BI/O Abbe select A:41, B:58, C:32, Com Standard of measurement Wavelength...
  • Page 128 OPERATING PROCEDURE: Setting Parameters <Page 2> * Underlined options indicate factory settings. Parameter Settings Category Auto R/L Off, On Off, Auto read S Off, Auto read R/L Auto function Distance auto read Off, On Near auto read Off, On Contact auto read Off, On 6 : Auto R/L This is for changing the R/L indication automatically or manually when the measuring lens side is...
  • Page 129 OPERATING PROCEDURE: Setting Parameters 9 : Distance auto read This is for enabling or disabling the auto read function for the distance portion in measurement of pro- gressive lenses. When this parameter is set to “On” and the lens is aligned until the target changes to (cross), the measured data is locked in without pressing 10 : Near auto read...
  • Page 130 OPERATING PROCEDURE: Setting Parameters When CL measurement is performed: The screen changes by pressing the measurement selection button in the order of   Auto measurement screen Normal measurement screen PPL measurement screen   CL measurement screen Auto measurement screen... Only when CL measurement is performed.
  • Page 131 OPERATING PROCEDURE: Setting Parameters 18 : Print format This is for setting the right or left lens to be marked. 19 : Print density This is for setting the density of printing. 20 : Print number This is for setting the density of printing. Data number The data number is not printed when printing the measured results.
  • Page 132 OPERATING PROCEDURE: Setting Parameters 25 : Auto print R/L This is for selecting whether to print the measured data by removing the lens after the data is locked in when the lens side is specified (R/L state). 26 : Print&Clear This is for selecting whether to clear the measured data from memory after printing, data communica- tion, or data writing to the Eye Care card.
  • Page 133 OPERATING PROCEDURE: Setting Parameters 30 : Target This is for selecting the indication format of the target displayed on the measurement screen. Normal target The target indicates the distance and direction from the nosepiece center. The direction and movement distance are constant regardless of the refractive power of lenses.
  • Page 134 OPERATING PROCEDURE: Setting Parameters <Page 8> (LM-1800PD only) * Underlined options indicate factory settings. Parameter Settings Category PD measurement Off, On, R/L only Other functions PD layout Off, On Printer Add graph Off, On, Print Length Off, On PPL lens measurement function Channel width Off, On...
  • Page 135 OPERATING PROCEDURE: Setting Parameters 41 : Channel width auto read (LM-1800PD only) This is for enabling or disabling the auto read function in measurement of the channel width. In measurement of the channel width, auto read is disabled. In measurement of the channel width, auto read is performed at the point 0.25 changed in 0.25 D from the distance cylinder value In measurement of the channel width, auto read is performed at the point...
  • Page 136 OPERATING PROCEDURE: Setting Parameters This is for setting the indication step of the transmittance (1%/5%). • Even though the indication step is set to 1%, the measurement accuracy is within ±5%. 47 : Transmittance display This is for screen setting in the transmittance measurement. Displays the measured results by switching the screen to the transmittance measurement screen.
  • Page 137 Communication CR code Off, On function (NCP20) • In order to connect the LM-1800P/LM-1800PD with external computers, ask your authorized distributor for the interface manual which explains the details of the communication protocols. 52 : Com mode This is for selecting the device for communication.
  • Page 138 OPERATING PROCEDURE: Setting Parameters <Page 13> * Underlined options indicate factory settings. Parameter Settings Category Prism Tx Off, On, Display Source 0 to 255, factory setting: 1 Communication Destination 0 to 255, factory setting: 0 function Request 0.1 to 10.0 (seconds), factory setting:2.0 (NCP20) Reception 1 to 100 (seconds), factory setting: 10...
  • Page 139 OPERATING PROCEDURE: Setting Parameters <Page 15> Parameter Settings Category MAC address FF-FF-FF-FF-FF-FF Network Off, On, Sending only File format NIDEK_V1.00, NIDEK_V1.01 Communication function DHCP Off, On IP address 192. 168. 0. 90. Subnet mask 255. 255. 255. 0. 66 : MAC address This setting cannot be changed.
  • Page 140 OPERATING PROCEDURE: Setting Parameters 72 : Default gateway This is the setting for the default gateway of the LM. 73 : User name This is the setting for the user name of the connected computer. 74 : Password This is the setting for the login password associated with the user name of the connected computer. 75 : Domain This is the setting for the domain name of the connected computer.
  • Page 141 OPERATING PROCEDURE: Setting Parameters 2.14.2 Entering comments The comments in communication print can be changed. (Factory setting: NIDEK LM-1800P/LM- ■ 1800PD) Press in the measurement screen. The screen changes to the parameter screen. Press The screen changes to the comments screen.
  • Page 142 OPERATING PROCEDURE: Setting Parameters...
  • Page 143 OPERATION WHEN PERIPHERAL DEVICES ARE CONNECTED The LM-1800P/LM-1800PD transmits data to an external device such as the NIDEK motorized ■ refractor, computer, and Eye Care card system. The optional foot switch can be used instead of to read measured data.
  • Page 144 OPERATION WHEN PERIPHERAL DEVICES ARE CONNECTED: Connecting to the NIDEK Motorized Refractor (RT) or Computer 3.1.2 Connecting procedure Connect the RT (or a computer) to the interface connector of the LM-1800P/LM-1800PD with the inter- face cable (optional). Connect the cable with the device laid down.
  • Page 145 The LM-1800P/LM-1800PD automatically transmits data to the RT (or a computer). When the LM-1800P/LM-1800PD is connected to the RT, it receives a data No. (ID No.) When the LM-1800P/LM-1800PD is connected to a computer, it does not receive a data No.
  • Page 146 Connection to LAN Communication  Connecting procedure Connect the computer with a LAN cable to the device through the LAN cable port at its base. Connect the cable with the device laid down. LM-1800P/LM-1800PD LAN cable Computer LM cable port Be sure to obtain permission from the network administrator before making any parameter settings in the device or the PC.
  • Page 147 OPERATION WHEN PERIPHERAL DEVICES ARE CONNECTED: Connecting the Foot Switch Connecting the Foot Switch The optional foot switch can be used instead of to read measured data. In such cases when a number of lenses are mea- sured in the Lab system, the foot switch allows for measurement while holding lenses with both hands.
  • Page 148 OPERATION WHEN PERIPHERAL DEVICES ARE CONNECTED: Reading Patient ID Reading Patient ID Read ID using a barcode scanner or magnetic card reader. ■ The read ID can be printed with measurement results and output via communication. • Although patient ID can be read before or after measurement, it is advisable to read it before printing the measured data.
  • Page 149 OPERATION WHEN PERIPHERAL DEVICES ARE CONNECTED: Reading Patient ID 3.4.2 Operation with barcode scanner Place the scanner window over a barcode. Barcode scanner Scanner window Trigger button Press the trigger button. Confirmation LED The scanner window lights up in red and reads the barcode.
  • Page 150 • For the barcode, use “CODE39”. • For ID, numbers, any alphanumeric characters, and symbols (other than \, {, |, }) can be used. Other control codes are not recognized by the LM-1800P/LM-1800PD. All the unrecognized sym- bols are converted to “~”. • Pressing clears the IDs except for the operator ID when entered separately as described above.
  • Page 151 CA DMW. • For the ID, numbers, alphanumeric characters, and symbols (other than \, {, |, }) can be used. Other control codes are not recognized by the LM-1800P/LM-1800PD. All the unrecognized sym- bols are converted to “~”. • Pressing clears the IDs except for the operator ID when entered separately as described in Section 3.4.2.
  • Page 152 OPERATION WHEN PERIPHERAL DEVICES ARE CONNECTED: Reading Patient ID...
  • Page 153 MAINTENANCE Troubleshooting  In the event that the device does not work correctly, correct the problem according to the following table before contacting your authorized distributor. Symptom Actions • The power cord may not be correctly connected. The LCD does not turn on. Reconnect it securely.
  • Page 154 MAINTENANCE: Error Messages and Countermeasures Error Messages and Countermeasures  If a message appears on the lower part of the screen, take measures according to the table below. Should a service visit be necessary, please prepare the details of the message and symptom along with the serial number of the device.
  • Page 155 MAINTENANCE: Error Messages and Countermeasures Error message Cause and countermeasure • The print button is pressed with no printer paper set. Printer error Set new printer paper. • The printer ran out of paper while printing. Printer paper error Set new printer paper. •...
  • Page 156 MAINTENANCE: Error Messages and Countermeasures  Screen display at the time of overflow error The measured value at the time of overflow error is displayed in red and the red indication remains even after data reading. Also, auto read is disabled at the time of error. The measured value is displayed in red to indicate that the measured value is erroneous.
  • Page 157 MAINTENANCE: Adjusting the Touch Panel Adjusting the Touch Panel  If the accuracy of touch panel widely decreases, adjust the touch panel function. Display the touch panel adjustment screen. Turn the power on while holding Blue rectangle on the upper left of the screen The blue rectangle is displayed on the upper left of the touch panel adjustment...
  • Page 158 MAINTENANCE: Replacing Printer Paper Replacing Printer Paper  When a red line appears on the side of the printer paper, it means that paper is running short. In such a case, stop using the printer and replace the roll with a new one. •...
  • Page 159 MAINTENANCE: Replacing Printer Paper Set new printer paper. Set paper as shown in the figure to the right. Leave the end of paper out from the cover. • When the roll is set upside down, the data is not printed correctly. •...
  • Page 160 MAINTENANCE: Ink Refilling Ink Refilling 4.5.1 Ink cartridge type When markings become faint, replace the ink cartridge. Replace the optional blue ink cartridge in the same manner. Press the tip of the ink cartridge and remove Marker holder the C-ring with tweezers. During work, take enough care not to lose the C-ring.
  • Page 161 MAINTENANCE: Ink Refilling 4.5.2 Ink pad type When markings become faint, add some ink. Remove the ink pad. Push the pad to the right and pull it out of the holder. Add ink. Add some ink to the pad. • If the refilled ink is too much, the periphery of the lens marker may be soiled. Be careful of the amount of the ink.
  • Page 162 MAINTENANCE: Cleaning the Protective Glass Cleaning the Protective Glass  When the “Dust detected. Please clean lens.” message appears at power-on, clean the protective glass. If dust settles on the protective glass, it may affect the measurement accuracy. CAUTION • Clean the protective glass under the nosepiece with a blower brush. The dust may include sharp particles.
  • Page 163 MAINTENANCE: Adjusting the Lens Table Adjusting the Lens Table  Adjust the feel of the lens table lever movement to be heavy or light. When the feel of lever is too heavy or light during use, perform the following adjustment. Remove the lens table lever.
  • Page 164 MAINTENANCE: Cleaning Cleaning 4.8.1 Cleaning the device exterior When the cover or panel of the device becomes soiled, wipe with a soft cloth. For severe stains, wipe them away with the cloth soaked in a neutral detergent and wrung well. Finally wipe them with a dry and soft cloth.
  • Page 165 MAINTENANCE: Cleaning 4.8.3 Cleaning the printer After repeated usage, the paper slot of the auto cutter of the printer may become soiled with paper resi- due. If this residue accumulates, malfunction of the auto cutter may result. Periodically clean the cutter. Open the printer cover and remove the printer paper roll.
  • Page 166 MAINTENANCE: List of Replacement Parts List of Replacement Parts Part name Part number Note Printer paper 31001-E031 Width 58 mm, Length 25 m Ink cartridge (Red) 31001-3371 Red ink, 3-pack, with C-ring Ink cartridge (Blue) 31001-3372 Blue ink, 3-pack, with C-ring Ink cartridge (Red) 31001-M231 Ink pad type, 20 mL...
  • Page 167 SPECIFICATIONS AND ACCESSORIES Specifications  Measuring items • Spherical power (lens for glasses) -25.00 to +25.00 D 0.01/ 0.06/ 0.12/ 0.25 D increments [Accuracy] Measurable range (D) Accuracy (D)   ± 0.06     0.09 ±  ...
  • Page 168 SPECIFICATIONS AND ACCESSORIES: Specifications • Prism measurement  , ) Polar coordinates ( Rectangular coordinates (Base in/out, Base up/down) • PD measurement (LM-1800PD only) 20.0 mm to 49.5 mm (monocular PD) PD for single vision lenses, PF for distance portion of progressive power lenses •...
  • Page 169 SPECIFICATIONS AND ACCESSORIES: Specifications • Power source AC 100 (±10%) to 240 (±10%) V, 50/60 Hz Automatic world voltage capable (voltage selector is unnecessary), built-in fuses (replacement is unnecessary) • Power consumption 60 VA  Environmental conditions (during use) • Temperature 10 to 35°C (50 to 95°F) •...
  • Page 170 SPECIFICATIONS AND ACCESSORIES: Accessories Accessories 5.2.1 Standard accessories • Printer paper 3 rolls • Power cord 1 unit • Dust cover 1 unit • Nosepiece for contact lenses 1 unit • Operator's manual 1 volume • Measuring Progressive Power Lenses 1 page explanation guide 5.2.2...
  • Page 171 EMC (ELECTROMAGNETIC COMPATIBILITY) The device is suitable for use in stores and hospitals except for near active HF surgical equipment and RF shielded rooms with an ME system for magnetic resonance imaging, where the intensity of electro- magnetic disturbances is high, electrophysiology laboratories, or areas where short-wave therapy equipment is used.
  • Page 172 EMC (ELECTROMAGNETIC COMPATIBILITY): Compliance for Emission Standard Product family standard Phenomenon Compliance Group 1 Conducted and radiated RF emissions CISPR 11 Class B Harmonic distortion IEC 61000-3-2 Voltage fluctuations and flicker IEC 61000-3-3 For the regions where the rated voltage is 220 V to 240 V, this device complies with this standard. For the regions where the rated voltage (line to neutral) is 220 V to 250 V, this device complies with this standard.
  • Page 173 EMC (ELECTROMAGNETIC COMPATIBILITY): Compliance for Immunity Standard Phenomenon Basic EMC standard Immunity test levels ±8 kV contact Electrostatic discharge IEC 61000-4-2 ±2 kV, ±4 kV, ±8 kV, ±15 kV air 10 V/m Radiated RF IEC 61000-4-3 80 MHz - 2.7 GHz electromagnetic field 80% AM at 1 kHz Proximity fields from...
  • Page 174 EMC (ELECTROMAGNETIC COMPATIBILITY):...
  • Page 175 INDEX Lens table lever ....... 4 Lens table position indicator ..... 12 Abbe number .
  • Page 176 INDEX: Step button ........7 Target ........9 Target indication .

This manual is also suitable for:

Lm-1800pd