Canon TX-20 Full Auto Tonometer- Manuals

6 1Introduction Components FullAutoTonometerTX-20 Main unit Chinrestpaper 100 sheets provided. Powercord Connects the TX-20 to an AC outlet (3m).USA and Canada only: Plug type: VM0275 Hospital- Grade Printingpaper 2 rolls provided. Nozzlecap Initially covers the nozzle. Dustcover Use it...

1Introduction 7 Conventions Used in This Manual This manual uses the following symbols to indicate precautions that are important for using the TX-20 safely. Always follow these safety precautions. WARNING A warning that incorrect operation may result in death or serious injury. CAUTION A caution t...

8 2 Safety Regulatory Information The following sections list the classifications applicable to the TX-20 and the directives and standards that the TX-20 complies with. Device Classification Type of protection against electric shock Class I equipment Degree of protection against electric shock Type ...

2Safety 9 ISO 10993-1: 2009ISO 10993-5: 2009ISO 10993-10: 2010 Biological evaluation of medical devices – Evaluation and testing ISO 8612: 2001ANSI Z80.10-2003 Ophthalmic instruments – Tonometers European Union 93/42/EEC Medical Device Directive EN 60601-1:2006 Medical electrical equipment - Part1:...

10 2Safety Safety Precautions To prevent injuries and data loss, operate the TX-20 correctly by following the safety precautions. WARNING To avoid the risk of electric shock, this instrument must only be connected into a supply mains with protective earth. Prohibited Do not damage the power cord. •...

14 2Safety Notes on Using TX-20 Before Use • Sudden heating of the room in cold areas will cause condensation to form on the optical component of the nozzle and on optical parts inside the instrument. In this case, wait until condensation disappears before performing a measurement. During Measureme...

2Safety 15 Environment of Use • Use, store, and transport the TX-20 in an environment that is within the range of the following conditions. Use the original packaging to store or ship it. Temperature Humidity Atmospheric pressure Environment of use 10 to 40°C 30 to 90% RH (no condensation) 600 to 1...

16 2Safety Disposal Disposal of this product in an unlawful manner may have a negative impact on human health and on the environment. Therefore, when disposing of this product, be absolutely certain to follow the procedure which is in conformity with the laws and regulations applicable to your area...

2Safety 17 Labels and Symbols The position and contents of the label attached on the TX-20 are shown below. USA and Canada European Union The following table describes the symbols and indications on the TX-20. USA and Canada Alternating current Type B Caution: Check the documentation provided. MEDI...

19 Main Unit (From the Examiner's Side) 4 12 3 5 6 7 1 Measurement unit Measurement is done at this part. 2 Height adjustment mark Align the patient's eye with this mark. 3 LCD monitor The patient's eye and various screens appear here. 4 Operation panel Operations such as setting the nozzle position...

20 3NamesofParts Main Unit (From the Patient's Side) 5 1 2 4 3 6 7 1 Forehead rest Patient rests his/her forehead here to prevent patient's eye from moving. 2 Nozzle Blows air for observing or measuring the patient's eye. 3 Head rest 4 Power switch Turns on the power for the main unit. 5 External...

3NamesofParts 21 Bottom Side 4 1 2 3 1 RS-232C connector Transfers measurement data to an external device. Can be connected to a device that supports the RS-232C standard. 2 USB connector Reads patient ID from an external device. 3 AC power connector 4 LAN connector Transfers measurement data to ...

22 3NamesofParts Operation Panel 4 6 7 5 1 2 3 1 POWER lamp Lights when power is turned on. 2 R/L button Switches between the patient's left and right eye as the measurement unit moves automatically. 3 CHIN REST button Moves the chin rest up and down to align the height of the patient's eye. 4 PR...

3NamesofParts 23 Operation Lever 2 1 3 4 1 Operation lever Tilt the operation lever to move the measurement unit. Tilt right or left: Moves slightly to right or left. Tilt front or back: Moves slightly to the front or back. Tilt past the maximum to the front, back, left, or right: Motion is great...

24 3NamesofParts Monitor Panel 1 1 1 Soft keys The purpose of soft keys varies according to the assigned function. An icon on the monitor near the soft key indicates the purpose assigned to the soft key. Pressing a soft key changes and sets functions, and changes the screen. In this manual, these...

3NamesofParts 25 Measurement Screen This screen appears when doing measurements. You can set the measurement functions, show the most recent measurement data, and switch screens. 15 14 1213 11 1 9 2 8 7 10 6 3 5 4 1 Patient ID/Patient No. 2 Measurement range 3 Display order of measurement value :...

3NamesofParts 27 PATIENT ID Screen This screen is used to input patient IDs. 9 10 8 7 6 12 4 5 3 1 Patient ID area The text selected from the list of characters appears in the patient ID input field. A maximum of 64 ASCII code characters can be input. 2 ID cursor Shows the position where the pati...

28 3NamesofParts DATA Screen This screen shows measurements. 6 5 4 3 2 1 8 9 10 7 1 Intraocular pressure : Shows measurements from highest to lowest reliability in order 1 to 10. (Measurement number: Up to 10) : Shows measurements from newest to oldest in order 1 to 10. (Measurement number: Up to...

3NamesofParts 29 MENU Screen Perform the settings for measurements, printing, and operating the measurement unit. 7 8 6 9 3 4 5 1 2 1 Settings tab The items to set are grouped according to their purpose. Selected items are shown in orange. Measure tab: Settings for intraocular pressure measuremen...

30 3NamesofParts Screen that Appears When Measurement Fails Anterior Segment Image Display Screen If a measurement error occurs while measuring intraocular pressure, the anterior segment image from just prior to measuring is displayed. The anterior segment image disappears after 5 seconds or if y...

32 3NamesofParts Other Screens USB Connection Check Screen Screen for confirming that data is being input correctly from the USB device. 2 3 1 1 Data display field The data input from the USB device is shown. 2 OK key Press to close the USB connection check screen. 3 CLS key Press to delete the d...

3NamesofParts 33 User Name Input Screen Enter the user name associated with the computer that is connected via LAN in this screen. Operations and the functions of the icons are the same as for the PATIENTID screen. Password Input Screen Enter the password for the computer that is connected via L...

34 3NamesofParts Computer Name Input Screen Enter the name associated with the computer that is connected via LAN in this screen. Input the name as text or an IPv4 format. Operations and the functions of the icons are the same as for the PATIENTID screen. Output Folder Name Input Screen Enter th...

3NamesofParts 35 LCD Brightness Adjustment Screen Adjust the LCD brightness in this screen. 4 5 3 1 2 1 Brightness gauge Shows the current brightness of the LCD. The left side is 1 and the right side is 100. 2 Brightness value Shows the current brightness. Specify a value from 1 to 100. 3 OK key ...

36 3NamesofParts Description of Printouts The following shows how measurement results are printed. 12 34 5 6 7 8 1 Date and time of measurement 2 Patient number 3 Patient ID 4 Patient information entry field 5 Order of data <BY RELIABILITY>: In order of reliability <BY TIME>: In order...

37 This chapter explains the flow of operations and the basic measurement procedure. Flow of Operations The TX-20 has three alignment modes (full auto, auto, and manual). Full auto: Alignment, measuring left and right eyes, and printing the results of the measurement are all done automatically. Auto...

38 4BasicOperation Connecting Cables WARNING • Take the following precautions to avoid risk of fire or electric shock: - Do not handle the power plug with wet hands. - Use only the power cord provided with the instrument. • Connect the cables carefully so there are no problems operating the instru...

4BasicOperation 39 3 Connect an RS-232C cable or LAN cable to send measurement results to an external device. • You cannot use the RS-232C and LAN connections at the same time. Use only one. • Use a cross cable for the RS-232C cable. • Ask your sales representative or local Canon dealer to set the...

40 4BasicOperation Preparations Prior to an Examination CAUTION Disinfect the forehead rest and replace the chin rest paper for each patient To prevent the risk of infection, wipe the forehead rest with disinfectant ethanol for each patient. If the chin rest paper is not being used, be sure to dis...

4BasicOperation 41 Patient Setup 1 Disinfect the forehead rest and the chin rest. If chin rest paper is being used, change the paper. 2 Have the patient sit down. 3 Instruct patients to remove their glasses or contact lenses if they are wearing them. • Explain to the patient that intraocular press...

4BasicOperation 43 4) Move the operation lever to check the following: • Pull the operation lever slightly backward so the nozzle stop position mark disappears. • Tilt the operation lever forward and the nozzle stop position mark appears. The nozzle should not approach the eye being examined close...

4BasicOperation 47 Sendingdatatoanexternaldevice If you have set the instrument to send measurements to an external device, the measurement results are output at this point. Ifallthemeasurementsareerroneous The measurement values are neither printed out nor output via RS-232C.However, ...

48 4BasicOperation Power Saving Mode If no operations are performed for a set period, the TX-20: • Turns off the backlight of the LCD monitor. • Turns off all LED lamps, except the power lamp. • Flashes the power lamp. Recovering from the Power Saving Mode Press a button on the operation panel, a ...

49 This chapter explains how to perform the settings on the Measurement screen, PATIENTID screen, and MENU screen. Measurement Screen You can set the alignment mode, number of measurements, and the eye fixation lamp in the measurement mode. Alignment mode Measurement count Eye fixation lamp Measure...

50 5TypesofMeasurements Changing the Number of Measurements You can set the number of measurements done in full auto-alignment mode. One measurement ( ): One automatic measurement is done. Two measurements ( ): Two automatic measurements are done. Three measurements ( ): Three automatic measureme...

5TypesofMeasurements 51 Changing the Eye Fixation Lamp You can select either the internal or external eye fixation lamp. Internal eye fixation lamp ( ): Located inside the nozzle. Have the patient stare to fix his/her line of sight. Normally, the internal eye fixation lamp is used. External eye f...

52 5TypesofMeasurements Input Patient ID in the PATIENT ID Screen This section explains how to input the patient ID in the PATIENTID screen. PATIENT ID Screen Display and Functions of Buttons 12 4 5 10 6 3 9 8 7 1 Patient ID area Displays the patient ID that was input. 2 ID cursor Displays the p...

5TypesofMeasurements 53 Basic Operations on the PATIENT ID Screen This section explains the basic procedures for the patient ID settings. Steps 2 to 4: Input text. Steps 5 to 6: Delete text. Steps 7 to 8: Add text to existing text. Step 9: Delete the entire ID. 1 Display the PATIENT ID screen. Pr...

54 5TypesofMeasurements 3 Select a character to input. Use the CHIN REST button and the measurement unit vertical movement ring to move the selection cursor to the position of the [C] in the character list. Select [C]. 4 Input the selected character. While [C] is selected with the selection curso...

5TypesofMeasurements 55 6 Delete a character. Use the CHIN REST button and the measurement unit vertical movement ring to move the selection cursor to the position of (ID delete command). Press the measurement button one time to delete “2” and move “C” one space to the left. The “2” disappears. S...

56 5TypesofMeasurements 9 Delete the entire patient ID. Use the CHIN REST button and the measurement unit vertical movement ring to move the selection cursor to the position of (ID delete command). Pressing the measurement button opens a message screen to confirm that you want to delete the entir...

5TypesofMeasurements 57 MENU Screen In the MENU screen, you can set the measurements, printing, data input and output, patient ID, patient No., date & time, messages, and the brightness of the monitor. MENU Screen Display and Functions of Buttons Settings tab Setting items Name of the selecte...

58 5TypesofMeasurements • Measurementbutton 1. Moves the cursor between digits in the patient No., IP address, subnet mask, default gateway, DNS server, time and date settings. The cursor moves to the right every time it is pressed. 2. Execute the setting. • [Input Message]: Move to the print me...

5TypesofMeasurements 61 Common Settings in Measurement Modes In the common settings menu, you can set auto-data output, alignment mode initial settings, measurement results display order, measurement unit recovery position, distance moved when switching eyes, and operation settings of the operati...

62 5TypesofMeasurements Settings for Intraocular Pressure Measurements In the intraocular pressure settings menu, you can configure the settings of the intraocular pressure measurement range switching, units of intraocular pressure measurements, display of received light level, warning display th...

5TypesofMeasurements 63 Settings for Printing You can enable or disable printing, and set the text size, the density of print, and the type of print data, as well as whether to print a title, Patient ID, Patient No., and a message, in the print menu. How to Enter the Print Menu MENU screen > P...

64 5TypesofMeasurements Settings for Patient ID Input Interface In the patient ID input interface menu, you can perform settings related to the position of the start byte for reading data, number of bytes for reading input data, method for inputting data, and connection tests for a USB device for...

5TypesofMeasurements 65 UsingtheRS-232CorLANconnector Ask your sales representative or local Canon dealer to check the connectable computer, connecting cables, setting and operation methods of the TX-20. How to Enter the Output Settings Menu MENU screen > Output tab > [Output] Setting...

66 5TypesofMeasurements How to Enter the LAN Menu MENU screen > Output tab > [LAN] Setting items Description Factory settings Stylesheet Output Set to output stylesheets to the connected PC. [ON]: Output. [OFF]: Not output. ON DHCP Set to enable DHCP. [ON]: Enable [OFF]: Do not enable OFF I...

5TypesofMeasurements 67 Settings for Patient No. You can set patient No., patient No. display, patient No. count up, output at measurement error, reset, in the Patient No. menu screen. The patient No. is a number to identify patients. You can set any number from 000001 to 999999 and you can set t...

68 5TypesofMeasurements Settings for Patient ID You can set the input screen display, number of characters to input, requirement to input, and type of characters to input, in the patient ID menu. The patient ID is a code to identify patients. You can set up to 64 alphanumeric characters and symbo...

5TypesofMeasurements 69 Setting the Time, Date, and Power Saving Mode You can set the date, time, and power saving mode, in the Other Menu. On the TX-20, you can set the data and time so that the dates of measurements are output as data. Also, you can set the monitor to turn off and enter power s...

70 5TypesofMeasurements Checking Firmware You can check the name and version of the firmware in the firmware menu. How to Enter the Firmware Menu MENU screen > Other tab > [Firmware] Setting items Description Factory settings Name Displays the name of the firmware. TX-20 Version Displays th...

71 This section outlines the maintenance instructions for the TX-20: daily inspection, cleaning, disinfecting, and refilling chin rest paper. CAUTION • For safety reason, before using the TX-20, be sure to perform the daily inspection. • Have a periodically inspection performed for the TX-20 at leas...

72 6Maintenance Cleaning and Disinfection CAUTION Always disinfect the nozzle after measuring an infected patient’s eyes A patient’s tears may get on the nozzle and cause a secondary infection. Always use a cotton swab or other appropriate material that has been treated with disinfectant to wipe th...

6Maintenance 73 Use lens cleaning paper and lens cleaner designated by Canon. Forehead Rest CAUTION • To prevent the risk of infection, wipe the forehead rest with disinfectant ethanol for each patient. • The forehead rest may be corroded if a disinfectant other than ethanol is used. • For details ...

74 6Maintenance Refilling Chin Rest Paper CAUTION If the chin rest paper is not being used, be sure to disinfect the chin rest whenever the patient is changed. For details on how to disinfect, see the Forehead Rest section. 1 Pull out the right and left chin rest holding pins. 2 Insert the holding ...

6Maintenance 75 2 Remove the remaining paper. Remove the old roll of paper. CAUTION Do not touch the cutter for the printer Do not touch the cutter for the printer. Similarly, instruct the patient not to touch the cutter for the printer.Otherwise, it may result in injury. 3 Put new paper into the p...

76 6Maintenance 6 Cut the paper. Paper that is automatically cut has 1.5 mm of uncut paper in the middle of the cut so it does not fall off. Hold the tip of the paper and slowly pull it to cut it. Always remove the automatically cut paper. Printing again while the cut paper is still attached may ca...

77 If any of the symptoms listed below occur or if a message appears while using the TX-20, try the relevant remedy described below.If these remedies do not eliminate the symptoms or the message, turn off the power and contact your sales representative or local Canon dealer. Be ready to provide a de...

78 7Troubleshooting Message and Remedy The message screen appears if a problem occurs or if there is a notification. If this happens, check the displayed message, refer to the message codes and error codes on the following list and follow the instructions in the remedy. If the message screen does n...

7Troubleshooting 79 Fatal Code Cause Remedy 1 Abnormality occurred in transmission between boards. 1) Record the message code and contents (including error codes). 2) Turn the power off and then on again. If it does not return to normal, stop using the unit and contact your sales representative or ...

80 7Troubleshooting Error Code Cause Remedy 100 Found abnormality in setting during initialization operation when power was turned on. Return to factory settings. 1) Record the message code, contents (including error codes) and then execute [OK]. 2) Turn the power off and then on again. 101 Abnorma...

7Troubleshooting 81 Warning Code Cause Remedy 201 The printer is overheating. 1) Record the message code, contents (including error codes) and then execute [OK]. 2) Wait a while and then print again. 202 The paper cover is open. 1) Record the message code, contents (including error codes) and then ...

87 Specifications Intraocular pressure measurement Measurement type Air-puff type Operation distance 11 mm Range of intraocular pressure measurement 0 to 80 hPa (0 to 60 mmHg) 30 mode 0 to 40 hPa / 33 to 80 hPa changes automatically(0 to 30 mmHg / 25 to 60 mmHg changes automatically) 60 mode 33 to 8...

88 Appendix Stylesheet File Setting the stylesheet to be output when transmitting via a LAN allows you to view the measurements on a web browser such as Windows Internet Explorer. The stylesheet file defines the layout of the display when measurement files are displayed on a web browser. • Set wheth...

90 Appendix EMC (Electromagnetic Compatibility) The TX-20 is designed and tested to comply with IEC 60601-1-2 (EN 60601-1-2) which are applicable regulations regarding EMC for medical devices and need to be installed and put into service according to the EMC information stated as follows. If this eq...

Appendix 95 Warranty and Repair Service Service life The service life of this product is eight years if specified inspections and maintenance are performed. About repairs If a problem cannot be solved even after taking the measures indicated in “7 Troubleshooting” (see page 77), contact your sales r...