suresight autorefractor manual
Contents
1. Cylinder 3 Diopters Indicates number of and variation among measurements for the given eye 1 8 or 1 4 diopter increments 1 increments Compact charger and SureSight storage Approximately 2 0 lbs 0 9 Kg 6 5 x 775 x 2 Remote infrared link to thermal printer RS 232 interface for IBM compatible PC for future software upgrades data transfer to electronic medical records Class 1 Laser Product per CDRH 21CFR 1040 10 and 1040 11 IEC 60825 1 2001 The maximum output of the laser radiation not to exceed 33 uW at a wavelength of 785 nm Patents US 6 007 204 and Des 413 979 International Patents Pending Office illumination Not for use in direct sunlight Indoor operation only Materials This product is latex free Safety EMC and CAN CSA C22 2 No 601 1 Regulatory Compliance CAN CSA C22 2 No 601 1 2 CAN CSA C22 2 No 601 1 4 IEC EN 60601 1 IEC EN 60601 1 2 IEC EN 60601 1 4 ANSI AAMI ES60601 1 Environmental Specifications Transport Storage 20 C 49 C 10 100 R H Max 500hPa 1060hPa Altitude Operating 10 C 30 C 3096 7596 R H Max 500hPa 1060hPa Altitude Battery Specifications Battery voltage 72v nominal Lithium lon Battery life More than 3 hours of continuous usage Low Battery warning Indicates 10 15 minutes usage remains Classifications Protection against electric shock Class equipment and internally powered Mode of operation Continuous use Method of sterilization2. First Time Set Up Stand Insert right angle connector into stand Optional Two strips of hook and loop fasteners are provided on the stand Attach mating strips to countertop or home location of the stand For best results clean surface and allow to dry before adhering Hook and loop fasteners keep stand firmly in place for use while allowing it to be removed as needed Battery 1 2 3 4 Insert battery Open the battery cover located on the underside of the unit by sliding it in the direction indicated by the arrow and lifting out Insert the new battery into the compartment in the direction of the arrow on the battery itself so that the terminal end enters the compartment first If necessary rotate the lever obstructing the compartment in a clockwise direction until the compartment is unobstructed NOTE Insert the battery only as directed Failure to do so will prevent the instrument from functioning While pushing in on the battery rotate the lever in a counterclockwise direction until it covers the battery Replace the cover by lightly pushing in on the raised end until it is level and sliding the cover in the opposite direction of the arrow until it locks into place 13 Plus or Minus Cylinder Convention Your SureSight was set at the factory to the Minus Cylinder Convention If you wish to change your unit to the plus convention 1 Open the battery cover located on the underside of the unit b
3. Hand Strap Replacement 1 Position the unit so that the hand strap is facing up and the battery door com partment is toward you 2 Push the hand strap forward until the square notches beneath it are visible hold the strap in this position with one hand 3 Insert the tool provided into one of the notches and press outward until the fastener is released 4 Repeat step 3 on the other fastener 5 Insert the fasteners of the new strap into the appropriate slots so that Welch Allyn can be read 6 Finally pull on the strap to ensure that it is seated properly Cleaning and Sterilization of the SureSight NOTE Excess solution entering the assembly could damage internal components Use caution to ensure cloth is not saturated with solution Cleaning solutions should be sprayed on the soft cloth rather than directly on the SureSight device Do not sterilize SureSight or any of its components All windows on the SureSight can be cleaned with a soft cloth moistened with 70 Isopropyl Alcohol or any standard window cleaner Keep front window clean to insure proper function The remaining housings softgrip handstrap and stand may be cleaned with either a dry soft cloth or a soft cloth moistened with any of the following 1096 Clorox solution soapy water 7096 Isopropyl Alcohol alcohol pads standard window cleaner 23 Service Calibration and Warranty Information The serial number is located on a label inside the bat
4. Position unit straight and level with patient Rotate unit to test left eye Fixation Look at the red light Remind patient and monitor fixation Correct Distance Not Taking Readings Are you square and level Scan around the pupil Ask patient if they see the red light When overrefracting through glasses aim higher Helpful hints for testing pre schoolers Helpful phrases that will grab the child s attention Look into the video camera while take a movie of you Look in the green circle at the red dot inside and you will hear a little birdie chirp Look at the red dot inside the flashing green lights and tell me when it changes color Helpful tips to keeping a child still while administering the test Have child sit in his her parent s lap Have child lie down Reliablity Number Sphere Cylinder Axis Child Adult Mode Results Reliability Number indicates the number of good readings obtained and their consistency based on a 1 to 9 scale The higher the number the better e gt 6 is typically acceptable e bis marginal repeat the test if possible e 4is poor repetition of the test is necessary f the patient did not appear to fixate on the unit during data acquisition repeat the test even if reliability numbers are gt 6 e Sis the sphere in diopters e Cis the cylinder power in diopters 9 99 or 9 99 indicates a reading outside the unit s meas
5. Refer to Cleaning and Sterilization of the SureSight Function and Intended Application Thank you for purchasing the Welch Allyn SureSight Autorefractor Please read and follow the instructions found in this manual before using your new SureSight to ensure accurate and reliable service SureSight is the child friendly portable autorefractor that lets you test patients including young children and adults anytime anywhere Carry it from room to room to your waiting area even off site SureSight solves many of the problems you face when performing exams You can perform objective refraction from a non threatening 14 inches 35 cm away even through glasses and contact lenses The unit s flashing lights and sounds engage the patient throughout the exam There s no intimidating equipment No cycloplegic drops to contend with Just fast easy refractions That s why SureSight makes testing even your toughest patients quick and painless for both you and your patients SureSight Display Controls and Features Peephole with crosshair target Right eye field for aiming Reliability measure Sphere Left eye field Cylinder Axis Print and left right toggle Clear results Start Button and Child adult calibration Self adjusting hand strap Charging Jack Receptacle Receptacle for Battery Compartment RS232 Connection Fixation LEDs Distance Sensor IR link to printer
6. SureSight b Over the frequency range 150 kHz to 80 MHz field strengths should be less than 3 V m Recommended Separation Distances Between Portable and Mobile RF Communications Equipment and the SureSight Vision Screener The SureSight is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled The customer or user of the SureSight can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF communications equipment transmitters and the SureSight as recommended below according to the maximum output power of the communications equipment Separation Distance According to Frequency of Transmitter m Rated Max 150 kHz to 80 80 MHz to 800 800 MHz to 2 5 GHz Output Power of MHz MHz 2 33 VP Transmitter W SAP dae NE 0 01 0 117 0 117 0 233 0 1 0 37 0 37 0 74 1 1 17 TAZ 2 33 10 3 70 3 70 7 37 100 11 70 11 70 23 30 For transmitters rated at a maximum output power not listed above the recommended separation distance d in meters m can be estimated using the equation applicable to the frequency of the transmitter where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer NOTE 1 At 80 MHz and 800 MHz the separation distance for the higher frequency range applies NOTE 2 These guidelines may not apply in all situations E
7. with a steady low tone When the test of the right eye is complete you will hear the tah dah sound Rotate the unit to the left eye and align the cross hair over the left eye s pupil and repeat Testing resumes 1 second after the first eye is complete so you do not need to press any buttons At the end of the test you will hear the tah dah sound again If the unit has not gathered enough good readings from either eye you will hear 5 tones to signify that the testing has stopped You must re test that eye If you are at the correct distance and not acquiring data ensure you are level and square with the patient tell the patient to look into the red light slowly move the cross hairs around the eye and make sure the patient s eyelids are not occluding the pupil aim higher when overrefracting through glasses To stop a test at any time hold any button until 5 tones sound When the unit is off any button wakes the unit and displays the previous results To Print Press the print button until beep sounds Keep unit aimed at printer during beep Do not send 2 printout to printer before 1 printout has completed printing 17 Important Operating Tips To insure accurate results and quick tests Ambient Lighting Don t perform by uncovered windows Dimmed light can help for adults w small pupils e Too dim can make it harder to find the pupil for those with dark eyes Entry Angle
8. 327 9631 European Call Center 353 46 906 7790 France 33 15 569 5849 Germany 49 747 792 7186 Japan 81 33 219 0071 Latin America 1 305 669 9003 Netherlands 31 15 750 5000 Singapore 65 6419 8100 South Africa 27 11 777 7555 United Kingdom 44 207 365 6780 Sweden 46 85 853 6551 SureSight Rechargeable Batter Welch Allyn Lithium lon batteries are warranted by Welch Allyn for two years from date of manufacture when used in Welch Allyn instruments only Defective batteries will be replaced on a pro rata basis should failure occur prior to expiration date on battery Calibration and Maintenance When the calibration symbol is shown it indicates that it has been 18 months since the unit was last calibrated It is recommended that you send the unit in for re calibration Welch Allyn recommends that the SureSight be recalibrated annually Arrangements may be made by returning the SureSight registration card or by contacting Welch Allyn s Technical Service Department A moderate fee is charged for re calibration 25 Guidance and Manufacturer s Declarations Emissions and Immunity Information Electromagnetic Emissions The SureSight is intended for use in the electromagnetic environment specified below The customer or user of the SureSight should assure that it is used in such an environment SureSight is battery powered and has no cable connections in use Emissions test Compliance Electromagnetic envir
9. RF 3 V m 3 Vim d 1 12 NP 80 MHz to 800 MHz EGODE LAS MERS d 2 33 VP 800 MHz to 2 5 GHz where P is the maximum output power rating of the transmitter in watts VV according to the ransmitter manufacturer and d is he recommended separation distance in meters m Field strengths from fixed RF ransmitters as determined by an electromagnetic site survey should be less than the compliance evel in each frequency range b Interference may occur in the vicinity of equipment marked with he following symbol Cp NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures objects and people 28 a Field strengths from fixed transmitters such as base stations for radio cellular cordless telephones and land mobile radios amateur radio AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy To assess the electromagnetic environment due to fixed RF transmitters an electromagnetic site survey should be considered If the measured field strength in the location in which the SureSight is used exceeds the applicable RF compliance level above the SureSight should be observed to verify normal operation If abnormal performance is observed additional measures may be necessary such as reorienting or relocating the
10. Remplacement de la batterie Remplacer uniquement par une batte rie au lithium Welch Allyn mod le n 72420 Ne pas essayer de d monter ou de modifier le bloc batterie Il ne contient pas de pi ces r parables par l utilisateur Ne pas essayer de souder directement sur le bloc batterie Ne pas essayer de relier les bornes positive et n gative l une l autre ou d autres dispositifs Attention Des proc dures de contr le de r glage ou de perfor mance autres que celles qui sont sp cifi es dans cette notice peu vent entrainer une exposition dangereuse au rayonnement Le produit comprend deux ouvertures internes l int rieur du tube laser L utilisateur ne doit ni les ajuster ni les remplacer NE JAMAIS essayer d ajuster une ouverture sur ce produit Ne pas activer charger laisser ou jeter le bloc batterie un endroit o la temp rature ambiante est inf rieure 0 C ou sup rieure 40 C Ne pas immerger le bloc batterie dans l eau Ne pas essayer d ouvrir ou de percer le bloc batterie Ne pas frapper ni lancer le bloc batterie 8 eee Pe Ne pas utiliser un bloc batterie qui semble fuir ou tre d form corrod ou anormal En cas de contact cutan ou oculaire avec une fuite d lectrolytes de la batterie rincer l eau courante et consulter imm diatement un m decin Si l op rateur pr voit de ne pas utiliser l appareil pendant plusieurs mois voire plus retirer la batterie avant de stocker
11. WelchAllyn SureSight Autorefractor 4341 State Street Road Skaneateles Falls NY 13153 0220 CE 0297 Welch Allyn SureSight Autorefractor Table of Contents Warnings amp Symbols sa acce ec tuc kac caa RR edes 1 Mises en garde et symboles 4 Technical Specifications 4a d acea ceto Lec dd 8 Function and Intended Application 10 SureSight Display Controls and Features 11 First ime SetUp o eee vacare oem Y ex a ee BS ke 13 Stand osque pea EN a Looe Y Ys ee eae 13 Battery 0 0 eee 13 Plus or Minus Cylinder Convention 14 Diopter Power Resolution 14 Bong SEMEN I 15 Operating M tis is er Rec RECEN 16 Important Operating Tips 18 Helpful hints for testing pre schoolers 18 Hesults z xoc ed duds i bcd eb depo edd ed oq 19 Adult Child Calibration 20 Adult Child Mode Tips 20 Replacement and Recycling of Battery 20 Replacing the Battery 20 Chargirig cc chs adco CU EMO EORR RU EURO EN RU CS 21 Recycling Lithium lon Battery 21 Screening Mode and Software Updates 22 Screening Mode zx seule mb Eben ciue pU I 22 Updating SureSight Software 22 Hand Strap Replacement 2 22 addu as th lee o
12. battery 6 Replace the cover by lightly pushing in on the raised end until it is level and sliding the cover in the opposite direction of the arrow until it locks into place 20 Chargin e Acharged unit can test patients for approximately 3 continuous hours e With 10 15 minutes of on time remaining the low battery indicator will begin to flash on the display When low battery indicator is steady battery must be recharged e To charge place the unit completely and firmly into the stand Unit automatically controls charge into battery when used with Welch Allyn approved 710 series chargers Instrument will fit into the stand only one way e Unit will turn off when charging e To prolong on time press three buttons simultaneously to shut down Recycling Lithium lon Battery Welch Allyn now employs the services of an agency which can disassemble and recycle all components of rechargeable batteries so that nothing gets landfilled or incinerated Should you wish to dispose of your expended Welch Allyn rechargeable battery via recycling in the U S and Canada only please send to Welch Allyn Welch Allyn Canada RECYCLE BATTERY RECYCLE BATTERY 4341 State Street Road 160 Matheson Blvd East Skaneateles Falls NY Mississauga Ontario 13153 0220 CANADA L4Z 1V4 For locations outside the U S and Canada consult your local recycling authority for correct disposal of batteries 21 Screening Mode and Software Updates Screenin
13. de 23 Cleaning and Sterilization of the SureSight 23 Service Calibration and Warranty Information 24 Waranty ose dca reete el tt Sere RN St uia e 24 Service and Warranty 25 SureSight Rechargeable Battery 25 Calibration and Maintenance 25 Guidance and Manufacturer s Declarations 26 Emissions and Immunity Information 26 Warnings amp Symbols EEE EE E ATTENTION Refer to the operating instructions This symbol A is intended to advise the user of the presence of important operating or maintenance instructions in the documents accompanying the instru ment WARNING Do not modify this equipment Any modification of this equipment can lead to patient injury Any modification of this equip ment voids the product warranty Service or Repair to be performed by qualified authorized personnel only There are no user serviceable parts inside the instrument Opening this device can expose the user to harmful invisible laser radiation Use only with Welch Allyn 710 series chargers Replacement parts and accessories Use only approved replacement parts and accessories specified in this manual Refer to the mainte nance section of this manual for more information Do not sterilize the instrument or any of its components Use only with IEC 60601 1 approved printers or keep printer out of patient vic
14. g Mode SureSight has an available screening mode to facilitate screening refraction by non specialists In this mode e No axis is displayed e Power readings are displayed to 1 decimal place only e In child mode e Refractive difference D the difference in mean spherical power between the two eyes is displayed e An asterisk on a reading in child mode indicates it is in AAO pre school referral range To place your SureSight in screening mode 1 Open the battery cover located on the underside of the unit by sliding it in the direction indicated by the arrow and lift up 2 Rotate the lever holding the battery in and lift the battery from its compartment 3 View the DIP switches inside the battery compartment located on the button side of the unit Using tweezers or another appropriate tool pull the second switch starting with the side of the unit with the handstrap up towards the bottom of the SureSight Updating SureSight Software If it is necessary or desired to update the unit software 1 Connect the 9 pin female side of the cable supplied with the software disk to a PC IBM compatible 486 processor Windows 3 1 or higher COM1 or COM2 RS 232 port 2 Connect the modular jack end of the cable to the RS232 port on the bottom of the SureSight when SureSight is powered down 3 Insert floppy disk into PC s 3 5 floppy disk drive 4 Run asetup to begin update 5 Follow the prompts displayed on the PC 22
15. inity Disassembly of instrument beyond the extent described in this man ual will void the warranty Refer all servicing to Welch Allyn or a Welch Allyn authorized service representative listed in the Servicing Calibration and Warranty Information section Opening this device can expose the user to harmful invisible laser radiation Only the bat tery cover is to be opened by the user PEPE PEEP P amp As a precaution avoid using this product in close proximity to other equipment The product complies with current required standards for electromagnetic interference and should not present problems to other equipment or be affected by other devices Battery replacement Replace with Welch Allyn model 72420 Lith ium lon battery only Do not attempt to disassemble or modify the battery pack There are no user serviceable parts inside pack Do not attempt to directly solder to the battery pack Do not attempt to connect the positive and negative battery termi nals to each other nor to any other device Caution use of controls or adjustments or performance of proce dures other than those specified herein may result in hazardous radi ation exposure Product contains two internal apertures within the laser tube assem bly These are not user replaceable or user adjustable DO NOT attempt to make any aperture adjustments to this product Do not operate charge leave or discard battery pack in any environ ment where it
16. l EC 61000 4 5 commercial or hospita 2 kV common mode environment Voltage dips short gt 95 dip in 0 5 cycle NA ains power quality interruptions and should be that of a typical voltage variations 6096 dip in 5 cycles commercial or hospita on power supply environment If the user of input lines 3096 dip for 25 cycles he SureSight requires continued operation during power mains interruptions EC 61000 4 11 gt 95 dip in 5 it is recommended that the seconds SureSight be powered rom an uninterruptible power supply or a battery Power frequency 50 60 Hz magnetic field IEC 61000 4 8 3 A m 3 A m Power frequency magnetic ields should be at levels characteristic of a typical ocation in a typical commercial or hospital environment 27 Electromagnetic Immunity The SureSight is intended for use in the electromagnetic environment specified below The customer or the user of the SureSight should assure that it is used in such an environment Immunity test IEC 60601 Compliance Electromagnetic environment test level level guidance Portable and mobile RF communications equipment should be used no closer to any part of the SureSight including cables than the recommended separation distance calculated from the equation applicable to the frequency of the transmitter Recommended separation distance Conducted RF 3 Vrms NA d 1 17 NP IEC 61000 4 6 150 kHz to 80 MHz Radiated
17. l appareil IPX Non prot g contre l infiltration d eau Ne pas utiliser en pr sence d anesth siques inflammables Double isolation Welch Allyn PTY Ltd Australia Metro Centre N344 den ae austria Obedece la norma australiana EMC Framework CE 0297 La marque CE appliqu e sur ce dispositif indique qu il a t test et d clar conforme aux dispositions de la directive 93 42 de la CEE sur les appareils m dicaux Authorized European Representative Address Regulatory Affairs Representative Welch Allyn Limited Navan Business Park Dublin Road Navan County Meath Republic of Ireland Note This product contains no hazardous materials Its disposal will not contaminate or harm the environment or present any risk to individuals disposing of the product As a precaution it is recommended you contact your local disposal and or recycling authority for information regarding the disposal of the equipment Technical Specifications Technology Working distance Distance detection Eyepiece Data acquisition time Data acquisition Measurement Range Reliability measure Diopter display Axis Stand Weight Dimensions Interfaces Laser safety Welch Allyn proprietary autorefractor hardware algorithm 14 inches 35 cm Automatic with audible and visual cues Illuminated target for easy aiming 2 4s eye Measures and averages 5 to 8 readings eye Sphere 45 5 to 5 0 Diopters
18. lectromagnetic propagation is affected by absorption and reflection from structures objects and people 29 30 WelchAllyn SureSight 4341 State Street Road Skaneateles Falls NY 13153 0220
19. may exceed 0 C to 40 C Do not immerse the battery pack in water Do not attempt to open or pierce the battery pack Do not strike or throw the battery pack Do not use a battery pack which appears to be deformed leaking corroded or is otherwise irregular If electrolyte leaking from battery contacts your skin or eyes rinse with running water and immediately seek medical attention If the device will be unused for several months or longer remove the battery prior to storing the device IPX Not protected against the ingress of water Not for use in the presence of flammable anesthetics Double Insulated CR G Welch Allyn PTY Ltd Australia Metro Centr i i N344 iro Ces ia Australia EMC Framework Compliance Rydalmere NSW 2116 Australia The CE mark on this device indicates that it has been tested and C conforms to the provisions noted within the 93 42 EEC Medical 0297 Device Directive Mises en garde et symboles EEE PEP EE o ATTENTION Consulter le mode d emploi Ce symbole N signale l utilisateur la pr sence de renseignements importants relatifs au fonctionnement ou l entretien de l instrument dans les documents qui l accompagnent AVERTISSEMENT Ne modifiez pas l quipement Toute modifica tion de l quipement peut tre source de blessures au patient Toute modification de l quipement annule la garantie produit L entretien ou la r paration ne doivent tre effectu s que par
20. on starts test e Unit off recalls old readings The instrument will turn off when unused for one minute Any button pressed on the SureSight will bring up results 15 Operating Instructions Push any button to turn on the unit Position the patient so that eye levels can be adjusted for unit use Press the child adult button until you hear a beep to choose the appropriate calibration Child Adult Calibration cut over age is 6 see Adult Child Calibration Section Page 20 for more information Explain the test procedure to the patient Now will check your eyes Or Now I m going to take movies of you want you to look for the red light in the middle of the blinking green lights Position yourself at eye level and square with the face of the patient Push the GO button on the unit and check that the patient is fixated correctly during the test Position the unit at the correct distance from the patient e When too far away you will hear slow low pitched beeps eeeeee e Slowly move closer When the unit is at the correct distance 14 you will hear a steady low tone e When the unit is too close you will hear quick high pitched beeps e The cross hairs will flash in synch with the tones When you are at the correct distance look through the peephole and align the cross hairs on the pupil of the patient s right eye While the unit is acquiring data you will hear a very high pitched chirping sound
21. onment guidance flicker emissions IEC 61000 3 3 RF emissions Group 1 The SureSight uses RF energy only for its internal function Therefore its RF emissions are very low and CISPR 11 are not likely to cause any interference in nearby electronic equipment RF emissions Class B The SureSight is suitable for use in all establishments including domestic establishments and those directly CISPR 11 connected to the public low voltage power supply Harmonic NA network that supplies buildings used for domestic emissions purposes IEC 61000 3 2 Voltage NA fluctuations 26 Electromagnetic Immunity The SureSight is intended for use in the electromagnetic environment specified below The customer or the user of the SureSight should assure that it is used in such an environment Immunity test IEC 60601 Compliance level Electromagnetic test level environment guidance Electrostatic 6 kV contact 6 kV contact Floors should be wood discharge ESD EC 61000 4 2 concrete or ceramic tile If floors are covered with 8 kV air 8 kV air synthetic material the relative humidity should be at least 3096 Electrical fast 2 kV for power NA Mains power quality transient burst supply lines should be that of a typical commercial or hospital EC 61000 4 4 x1 kV for input output environment lines Surge x1 kV differential NA Mains power quality mode should be that of a typica
22. tery door Warranty SureSight Instrument Welch Allyn Inc warrants the SureSight instrument to be free of original defects in material and workmanship and to perform in accordance with manufacturer s specifications for a period of one year from the date of purchase If this instrument or any other component thereof is found to be defective or at variance from the manufacturer s specifications during the warranty period Welch Allyn will repair replace or recalibrate the instrument or component s at no cost to the purchaser This warranty only applies to instruments purchased new from Welch Allyn or its authorized distributors or representatives The purchaser must return the instrument directly to Welch Allyn or an authorized SureSight distributor or representative and bear the cost of shipping This warranty does not cover breakage or failure due to tampering misuse neglect accidents modification or shipping and is void if the instrument is not used in accordance with manufacturer s recommendations or if repaired or serviced by other than Welch Allyn or a Welch Allyn authorized representative NOTE Return of the instrument registration card is required for proof of purchase and warranty validation and to automatically receive free software upgrades that may occur during the warranty period 24 Service and Warranty USA 1315 685 4560 Australia 61 29 638 3000 800 535 6663 800 074 793 Canada 800 561 8797 China 86 216
23. un per sonnel comp tent habilit Cet instrument ne contient pas de pi ces r parables par l utilisateur L ouverture de ce dispositif risque d exposer l utilisateur un rayonnement laser invisible nocif Utiliser uniquement avec des chargeurs Welch Allyn s rie 710 Pi ces et accessoires de rechange Utiliser uniquement les pi ces et accessoires de rechange autoris s sp cifi s dans ce manuel Con sulter la section Entretien de ce manuel pour des informations sup pl mentaires Ne pas st riliser l instrument ni aucun de ses composants Utiliser uniquement avec une imprimante conforme la norme CEI 60601 1 ou utiliser l imprimante distance du patient Un d montage de l instrument au del des recommandations de ce manuel annule la garantie Confier toutes r parations Welch Allyn ou un repr sentant agr par Welch Allyn list dans la section Infor mations sur les r parations l talonnage et la garantie L ouverture de ce dispositif risque d exposer l utilisateur un rayonnement laser invisible nocif Seul le couvercle de la batterie peut tre ouvert par l utilisateur DPREPRERREPPPPPR IE Avertissement titre de pr caution viter d utiliser le produit en proximit troite avec d autres appareils Le produit est conforme aux normes actuelles en mati re d interf rences lectromagn tiques et ne devrait pas causer de probl me d autres appareils ni tre affect par leur fonctionnement
24. urement range e The SW X XXe after the date on the printout is the software revision level in the SureSight unit Adult Child Calibration The adult child calibration makes three basic changes to the way the unit operates e Corrects distance target to match the size of the face being tested e Selects the proper default accommodation setting e Activates the screening referral indicators in screening mode only Adult Child Mode Tips e If achild is myopic use the adult mode to get the best estimate of refraction The child mode infers accommodation based on a typical three yearold hyperope e f you are using cycloplegia always use the adult mode to get the best estimate of refraction Replacement and Recycling of Battery Replacing the Battery 1 Open the battery cover located on the underside of the unit by sliding it in the direction indicated by the arrow and lifting out 2 Rotate the lever holding the battery in clockwise direction until the battery is unobstructed 3 Carefully tip the unit to allow the battery to slide out of the compartment 4 Insert the new battery into the compartment in the direction of the arrow on the battery itself so that the terminal end enters the compartment first NOTE Insert the battery only as directed Failure to do so will prevent the instrument from functioning 5 While pushing in on the battery rotate the lever in a counterclockwise direction until it covers the
25. y sliding it in the direction indicated by the arrow and lift up 2 Rotate the lever holding the battery in and lift the battery from its compartment 3 View the DIP switches inside the battery compartment located on the button side of the unit 4 Using tweezers or another appropriate tool pull the first switch located on the side of the unit with the handstrap up towards the bottom of the SureSight Diopter Power Resolution Your SureSight was set at the factory to display power in 1 4 diopter increments If you wish to change to 1 8 diopter increments 1 Open the battery cover located on the underside of the unit by sliding it in the direction indicated by the arrow and lift up 2 Rotate the lever holding the battery in and lift the battery from its compartment 3 View the DIP switches inside the battery compartment located on the button side of the unit 4 Using tweezers or another appropriate tool pull the third switch third from side of SureSight with the handstrap up towards the bottom of the SureSight Controls The buttons on the back of the instrument function as follows Child Adult Calibration Left Right Toggle amp Print e Clears readings e Selects single eye to re test e Changes child adult or switches back to regular Calibration by holding it down test e Prints results hold button down while aiming patient side of SureSight at printer until you hear tah dah GO Button e Unit
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