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Topcon PixelChart PC-50S Instruction Manual Download Page 9

7

MAINTAINABLE RANGE

USER MAINTENANCE

To ensure the safety and performance of this instrument, all maintenance work, unless specified in this
manual, shall be conducted by trained service engineers.
The following maintenance task may be done by the user.
For details, see "MAINTENANCE" in this manual.

CLEANING THE LIQUID CRYSTAL DISPLAY

The liquid crystal display of the instrument can be cleaned by the user.  For details, refer to "Cleaning
the liquid crystal display" on page 40 in this manual.

CHECKING THE MOUNTING UNITS FOR LOOSENESS

The user can check if the mounting units of this instrument are loosened.  For details, refer to "Check-
ing the mounting screws for looseness" on page 41 in this manual.

ESCAPE CLAUSE

• TOPCON shall not take any responsibility for damage due to fire, earthquakes, actions by third per-

sons and other accidents, or damage due to negligence and misuse by the user and any use under
unusual conditions.

• TOPCON shall not take any responsibility for damage derived from inability to properly use this

instrument, such as loss of business profit and suspension of business.

• TOPCON shall not take any responsibility for damage caused from using this instrument in a man-

ner other than that described in this instruction manual.

• Diagnoses made shall be the responsibility of pertaining doctors and TOPCON shall not take any

responsibility for the results of such diagnoses.

Summary of Contents for PixelChart PC-50S

Page 1: ...INSTRUCTION MANUAL PixelChart PC 50S ...

Page 2: ......

Page 3: ...n hand for future reference This instrument should be used by connecting to the CV system There are three methods to operate PC 50S through CV 5000 Operate PC 50S with 1Dial Controller KB 50S Connect mouse to monitor and operate PC 50S with mouse Connect a personal computer to CV 5000 and operate PC 50S with it This manual is made according to the operation with KB 50S In the case of Mouse opera t...

Page 4: ... IN CONDITIONS WHERE THE TEM PERATURE MAY RISE ABOVE 40 C OR FALL BELOW 10 C 2 Storage with wrapping with package Temperature 20 C 50 C Humidity 10 95 3 Transportation with wrapping with package Temperature 40 C 70 C Humidity 10 95 4 When storing the instrument ensure that the following conditions are met 1 The instrument should not be splashed with water 2 Store the instrument away from the envir...

Page 5: ...rrect handling by ignoring this display may lead to a risk of death or serious injury CAUTION Incorrect handling by ignoring this display may lead to per sonal injury or physical damage Injury refers to cuts bruises burns electric shock etc which do not require hospitaliza tion or extended medical treatment Physical damage refers to extensive damage to the building nearby equipment and or surround...

Page 6: ...k install the instrument in a place free of water and other liquids To avoid fire and electric shock do not insert metal objects into any clearance etc To avoid fire in the event of an instrument malfunction immediately turn off the power switch and remove the power plug from the outlet if you see smoke coming from the instrument or if you detect other problems Don t install the instrument where i...

Page 7: ...etal fixture on the wall as taking care for its direction The instrument may fall off to cause a trouble or injure someone If the instru ment is installed slantwise the reliability of the measurement result may be lowered 15 When installing the instrument keep the space of 5cm or more above and under the instrument not to block the vents on its top and bottom surfaces The instrument may be heated ...

Page 8: ... instrument has been tested with 100V 230V and found to comply with IEC60601 1 2 Ed 3 0 2007 This instrument radiates radio frequency energy within standard and may affect other devices in the vicinity If you have discovered that turning on off the instrument affects other devices we recommend you change its position keep a proper distance from other devices or plug it into a different outlet Plea...

Page 9: ...re loosened For details refer to Check ing the mounting screws for looseness on page 41 in this manual ESCAPE CLAUSE TOPCON shall not take any responsibility for damage due to fire earthquakes actions by third per sons and other accidents or damage due to negligence and misuse by the user and any use under unusual conditions TOPCON shall not take any responsibility for damage derived from inabilit...

Page 10: ...ur TOPCON dealer or your local Topcon office listed on the back cover of this man ual CAUTION Tighten the screws securely not to be loosened If the screw is loosened the instrument may fall off to cause a trouble or injure someone WARNING To avoid injury caused by electric shock do not open the cover Ask your dealer for service WARNING Do not the touch terminal while using the AC adapter Doing thi...

Page 11: ...NDARD COMPONENTS 11 OPTIONAL ACCESSORIES 11 NOMENCLATURE 12 PREPARATION BEFORE USE 14 INSTALLING THE INSTRUMENT 14 CONNECTING TO COMPU VISION CV 5000 16 CONNECTING THE POWER CORD 17 PILOT LAMP STATUS 18 REGISTERING THE VISUAL ACUITY CHART 18 INDICATION OF CHART 20 SETTING 34 SETTING THE LIQUID CRYSTAL DISPLAY 34 SETTING THE CHART 35 TROUBLE SHOOTING 38 TROUBLE SHOOTING GUIDE 38 MAINTENANCE 40 DAIL...

Page 12: ...44 DIMENSIONS AND WEIGHT 44 ELECTRIC RATING 44 ELECTROMAGNETIC COMPATIBILITY 45 Requirements for the EXTERNAL DEVICE 48 SYSTEM CLASSIFICATION 49 CONVERSION OF TEST DISTANCE REFERENCE 49 SHAPE OF PLUG 50 SYMBOL 50 AC ADAPTER 50 ...

Page 13: ... installing the wireless unit OPTIONAL ACCESSORIES The service engineer will connect the optional accessories When you purchase the optional accessories contact the service engineer Image cable This should be connected to CV 5000 Floor stand This stand should be placed on the floor Instruction manual 1 Power cord 1 AC adapter 1 Dust cover 1 Wall mounting metal fixture 1 Wooden screw for fixing the...

Page 14: ...ce Mounting hole 4 places These screw holes are used to install the instrument on the wall mounting metal fixture or the Floorstand Function switch 3 pcs Used to set the instrument Power switch Turn on this switch The pilot lamp is lit green and the instrument can receive the image signal CAUTION To avoid electric shock do not touch the external connection terminal and the patient at the same time...

Page 15: ... to the analog VGA connector Don t use this connector DVI connector Used to connect with the external devices CV 5000 only Ask the serviceman to connect the instrument with the external devices AC adapter jack Used to connect the power plug 8 7 7 8 ...

Page 16: ...e sunlight or disturbing light from contacting with the liquid crystal display directly change the installing place or direction of the instrument CAUTION When installing the instrument keep the space of 5cm or more above and under the instrument not to block the vents on its top and bottom surfaces The instrument may be heated to burn someone or cause a trouble CAUTION Be careful not to damage th...

Page 17: ...the instrument s rear surface securely 3 Hang the instrument on the wall mounting metal fixture CAUTION When installing the instrument on a wall use the wall mounting metal fixture which is one of the components and install it on the strong wall that can support its weight Do not install it on the plaster board wall The instrument may fall off to cause a trouble or injure someone CAUTION Fix the w...

Page 18: ...ument can be connected to only the following devices CV POWER SUPPLY UNIT WITH BUILT IN PERSONAL COMPUTER or the personal computer connected to CV POWER SUPPLY UNIT WITH EXTERNAL PERSONAL COMPUTER This instrument cannot be connected to the CV power supply unit and the personal computer connected with the CV power supply unit Refer to the CV 5000 instruction manual for the connection method on the ...

Page 19: ...the power cord to the AC adapter 3 Insert the power cord plug into the 3 plug AC outlet with proper grounding WARNING To avoid fire and electric shock in case of leakage be sure to use a grounded outlet Do not connect to outlets that are not grounded CAUTION To avoid electric shock do not handle the plugs with wet fingers ...

Page 20: ...trument through CV system This chapter will explain the setting procedure of the visual acuity chart that is necessary to use this instrument 1 Turn on this instrument and the power supply unit When operating through personal computer Turn on this instrument the power supply unit and the personal computer to start the CV software 2 As pressing the Shift switch press the Menu switch The Settings me...

Page 21: ...hart software config button and then the Chart settings button The CHART SETTINGS screen appears Set Examination distance according to the real test distance Touch the OK button and then the Exit button The Chart settings screen appears again Refer to SETTING THE CHART on P 35 for the details about setting of chart 6 Touch the OK button and then the Exit button to save the setting and finish the p...

Page 22: ...uity is indicated at the upper or lower right Sometimes even if the system is set to indicate the visual acuity in big size it is forcedly indicated in small size Indicating targets at random While the visual acuity chart is indicated touch the Random button among the function buttons The targets arrangement can be changed at random The example of use is shown below 1 Indicate the tumbling E chart...

Page 23: ...0 4 2 Touch the Reverse button The black and white condition of the chart is reversed 3 Touch the Reverse button again The black and white condition of the chart is reversed to be the normal condition While the black and white condition of the chart is reversed it is possible to apply a mask to indi cate the targets at random and to indicate other visual acuity charts in the reverse condition Ster...

Page 24: ...vigation and you can rotate the deep color line by 5 Turn the dial until the deep color line is seen most clearly Turn the dial in the direction of Dial Navigation The cylinder axis rotates counterclockwise Turn the dial in the direction of Dial Navigation The cylinder axis rotates clockwise When operating through mouse personal computer Operate the mouse according to Mouse Navigation and you can ...

Page 25: ... is displayed 3 Select Contrast from the contrast selection menu When the contrast has been changed and you press the or switch the chart can be changed in the changed contrast condition The contrast can be changed by the following stages 100 50 25 12 5 10 5 0 2 5 When the contrast has been changed touch the other visual acuity chart excluding screening button The chart can be changed in the chang...

Page 26: ...n menu The tumbling E chart 0 2 0 4 in which the columns are different in contrast by stages 25 12 5 10 5 and 2 5 from the leftmost one is displayed 4 Press the switch The tumbling E chart 0 5 0 7 having the plural rate contrast is indicated Select the chart having 3 lines and 5 columns from the chart page The chart can be changed in the contrast condition Touch the Exit button on the contrast sel...

Page 27: ... 3 Touch the Display button among the function buttons and the near point image KB 50S is canceled Select any other chart and the selected chart is appeared on the instrument Slideshow 1 Select Slideshow from the chart page The image slideshow is played Select any other chart Slideshow is canceled and the selected chart is indicated on the instrument Icon on the chart page Near point image KB 50S ...

Page 28: ...e can be registered up to 2 1 Make the folders under USB memory in the following configuration and save the file in these fold ers 2 Insert the USB memory to the CV system and start the system 3 Touch the Chart settings button on the Settings menu to display the Chart settings screen Icon on the chart page ROOT PC 50S_UC Still Selective KB50S Slide Movie This folder is used to save each JPEG image...

Page 29: ...ved in Selective and Slide Format is JPEG and size is optional The still image is displayed on the whole screen of PC 50S during playback The filename must be 01 jpeg 20 jpeg Still image to be saved in KB50S Format is BMP and size is fixed at 800 600 The still image cannot be displayed in any other size The filename must be 01 bmp 20 bmp When the file saved in Selective is accessed through KB 50S ...

Page 30: ... 9 The maximum movie size is 1280 1024 The bit rate is 10Mbps and frame rate is 30fps These conditions are applied when PC 50S is connected through the DVI cable The file name must be 01 wmv and 02 wmv When operating through personal computer sometimes the playback of movie is not smooth due to the specification of the used personal computer ...

Page 31: ...e performed for some types Check the adjusted status of the right eye The image the patient sees is separated in the up and down direction by the prism inserted to the right eye The patient sees the R G on the upper column with the right eye and the R G on the lower column with the left eye Have the patient compare the columns and answer which column is seen better Item Description Auxiliary lens ...

Page 32: ... the dial according to Dial Navigation when operating through mouse personal computer according to Mouse Naviga tion and adjust the size of the left red Turn the dial leftward when operating through mouse personal computer click the right mouse button on the mouse navigation and the left red is larger by 0 5 Turn the dial rightward when operating through mouse personal computer click the left mous...

Page 33: ...to perform the active chart test 3 Adjust the patient s vision according to Dial Navigation when operating through mouse per sonal computer mouse navigation until the vertical line crosses the horizontal line at the center on the cross chart when he she sees the chart The measured value of this test is not always the same as that of PHORIA TEST POL CROSS NORMAL The reason is that fusion stimulus i...

Page 34: ... Simulate button among the function buttons on the screen to perform the active chart test 3 Adjust the patient s vision according to Dial Navigation when operating through mouse per sonal computer mouse navigation until the centers of the cross and ring overlap each other when he she sees the chart The measured value of this test is not always the same as that of PHORIA TEST CROSS RING NORMAL The...

Page 35: ...yed There are two types of ETDRS chart as shown below The visual acuity values in the ETDRS chart are shown below A fraction is displayed in Top column 0 32 20 63 6 18 9 second column 0 4 20 50 6 15 Third column 0 5 20 40 6 12 Fourth column 0 63 20 32 6 9 6 Fifth column 0 8 20 25 6 7 5 Sixth column 1 0 20 20 6 6 Seventh column 1 25 20 16 6 4 8 Eighth column 1 6 20 12 5 6 3 75 Ninth bottom column 2...

Page 36: ...Select Color and Brightness and Back are displayed on the menu On Brightness you can change the luminance of the liquid crystal display Fit the cursor to Brightness and press the function switch 1 The bar is displayed While the bar is displayed press the function switch 2 The luminance is increased While the bar is displayed press the function switch 3 The luminance is decreased After the luminanc...

Page 37: ...SETTING PROCEDURE 1 As pressing the Shift switch press the Menu switch The Settings menu is displayed 2 Touch the Chart settings button The menu to select the chart that should be connected is displayed Touch the Chart software config button 3 The chart setting menu appears ...

Page 38: ...f the visual acuity that is displayed on the chart Select Disable and the visual acuity value is not displayed 4 Layout for mask You can select how the mask status should be displayed when applying the mask with the mask switch Select Center and the chart can be indicated at the center of the liquid crystal display 5 Mirror turning of chart You can select whether the chart should be turned from ri...

Page 39: ...ed on the red green test with RGB full color 2 Binocular function chart black background type You can change the red and green colors that are indicated on the black background for the binocu lar function test with the RGB full color In addition you can change the background color and crossed area 3 Binocular function chart white background type You can change the red and green colors that are ind...

Page 40: ...r AC adapter is not connected to the instru ment Error message displayed on CV 5000 Remedial measure Fail to execute chart software Error Code 601 Insert the PC adapter into 1Dial Controller and turn on the switch of the power supply unit again Fail to execute chart software Error Code 602 Turn on the switch of the power supply unit again or restart the CV software 1 Could NOT find the selected ch...

Page 41: ...language setting because the other task is in progress Change the language again Fail to open chart software configuration screen Error Code 300 Turn on the switch of the power supply unit again or restart the CV software 1 Fail to open chart software configuration screen Error Code 301 Turn on the switch of the power supply unit again or restart the CV software 1 Fail to execute chart software wi...

Page 42: ...and moisten a soft cloth with it Wring the cloth thoroughly and wipe the liquid crystal display with the cloth After the liquid crystal display is dried wipe it with a dry soft cloth WARNING To avoid fire or electric shock turn off the power of the instrument and remove the power plug from the outlet before inspecting or cleaning the instrument CAUTION To prevent the reliability of the measurement...

Page 43: ...ng metal fixture and wall Remove the PC 50S instrument from the wall and check the four wall mounting screws on it for looseness In addition check the wooden screws which fix the wall mounting metal fixture on the wall for looseness CAUTION When using the wall mounting metal fixture pass the clearance rings which are the accessories through the wall mounting screws to be installed on the instrumen...

Page 44: ...on time Contents Inspection Before using The instrument must operate normally The liquid crystal display must be free of stain or damage The mounting screw must not be loosened Cleaning When the part is stained Liquid crystal display Covers switches etc ...

Page 45: ...requency 50 60Hz Power supply input 135VA PATIENT S ENVIRONMENT When the patient or inspector may touch the devices including the connecting devices or when the patient or inspector may touch the person contacting with the devices including the connecting devices the patient s environment is shown below In the patient s environment use the device conforming to IEC60601 1 If you are compelled to us...

Page 46: ...indicated respectively Specifications and appearance are subject to change without advance notice for the product improvement Sometimes there is a missing dot or lighting dot on the screen of the liquid crystal display Its cause is not the trouble but the characters of the liquid crystal panel So it has nothing to do with repair or replacement Please understand this Just after PC 50S has started t...

Page 47: ...of the ACCESSORY transducer or cable with EQUIPMENT and SYSTEMS other than those specified may result in increased EMISSION or decreased IMMUNITY of the EQUIPMENT or SYS TEM Item Article code Cable Shielded Ferrite Core Length m Image cable 42428 5001 YES YES 10 0 AC adapter 42428 9001 NO YES 1 5 Power cord 44804 7018 NO NO 3 0 Guidance and manufacturer s declaration electromagnetic emissions The ...

Page 48: ...ne s to line s 2 kV line s to earth 1 kV line s to line s 2 kV line s to earth Mains power quality should be that of a typical commercial or hospital environment Voltage dips short interruptions and Voltage variations on power supply input lines IEC 61000 4 11 5 Ut 95 dip in Ut for 0 5 cycle 40 Ut 60 dip in Ut for 5 cycles 70 Ut 30 dip in Ut for 25 cycles 5 Ut 95 dip in Ut for 5 sec 5 Ut 95 dip in...

Page 49: ...transmitters as determined by an electromagnetic site survey a should be less than the compli ance level in each frequency range b Interference may occur in the vicinity of equipment marked with the following sym bol NOTE 1 NOTE 2 At 80 MHz and 800 MHz the higher frequency range applies These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and refle...

Page 50: ... PC 50S can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the PC 50S as recommended below according to the maximum output power of the communications equipment Rated maximum output power of transmitter W Separation distance according to frequency of transmitter m 150kHz to 80MHz d 1 2 80MHz to 80...

Page 51: ...S should be used in environments where no flammable anesthetics and or flammable gases are present Classification according to the mode of operation Continuous operation Continuous operation is the operation under normal load for an unlimited period without the specified limits of temperature being exceeded CONVERSION OF TEST DISTANCE REFERENCE The following formula is provided to calculate the vi...

Page 52: ...C E Argentina 220V 60Hz Type A Peru 220V 60Hz Type A Venezuela 110V 50Hz Type C E Bolivia Paraguay 220V 60Hz Type A Most common Type H Infrequently Chile 220V 60Hz Type A Colombia 110V 50Hz Type C Brazil 220V 60Hz 127V 60Hz Type A Type C Ecuador 110V 50Hz Type C E USA 120V 60Hz Type A Hospital Grade Canada 120V 60Hz Type A Hospital Grade Symbol IEC ISO Publication Description Description French IE...

Page 53: ...urface of the instrument Period of use Please inform us of the date of purchase State of instrument Please provide us with as much detail as possible on the problem PixelChart PC 50S INSTRUCTION MANUAL Version of 2011 1106 100TH Date of issue June 3 2011 Published by TOPCON CORPORATION 75 1 Hasunuma cho Itabashi ku Tokyo 174 8580 Japan 2011 TOPCON CORPORATION ALL RIGHTS RESERVED 0 ...

Page 54: ...PixelChart PC 50S 42428 90050 Printed in Japan 1106 100TH 0 ...

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