- Frank`s Hospital Workshop
Contents
1. I6 5 2 THROUGH FEEDING AND INSTALLATION OF FIBER CABLES c ccssssssssssssssssssssssssssecsesesesesesssssseseseseseseseseeeseseseseseees I7 ATTACHMENT OF OPECTROMETER FIDER lella 18 INSTALLATION OF LASER GOUPLER TO THE rl I9 5 5 MEASUREMENT OF FA LASER POWER AT OBJECTIVE entcitscesesenseeese eee ever Eee UR See tox REN Uer 20 5 6 ATTACHMENT OF THE FIBER STRAIN RELIEF UNIT aide fiiic mo desde i eios eeu 2I TECIKROMETER eT 22 DI ca een 22 Do CECKOFTHEOPTICALCALIGNMEN 23 92 OVES sewn eem n 28 FINAL CHECK AND INSTALLATION 29 PIET cr M 29 APPENDIX SPECTRALIS INSTALLATION noiosi 3I Confidential for internal and distributor use only HRA 2 Installation and System Configuration PC Requirements I PC Requirements The motherboard must to be equipped with an Intel 975X chip set and two PCI Express Graphics PEG slots One PEG hosts the graphic card The other PEG hosts a PCI Express Card with IEEE 1394b standard interface FireWire800 Additionally a second IEEE 1394a bus with an own controller has to be available To allow operation o2. Spectrum on Trace 60000 nn MEN m line sensor b 5 Damp 0 Show Smooth Export a EE E EN EOT ERER REE RE ES A SAES EA EE ARE AR BARE R E E E VEAR A L RERI AR E 1023 CT gt HRA Corr Ref Arm Pre Processing x Offs 0 000 E Set Zero Setup zero 16786 Var o 8411 to 314 Capture 2D y Offs 0 000 BScan Selection 20771 Manual Calibration j xAmpl 1 000 ET vie v Subtractzero Setzero e Standard j C Vert Calib m y Ampl 1 000 LT live Normalize Set ref C Horiz Calib as automatic Auto Shutter V Auto Piezo Show B Scan Live Image Display service display crosshaits Every time R OCTis pressed on the touch screen the auto calibration will start This procedure can take a few seconds depending on the grade of misalignment or drift During this procedure the piezo setting is changed from o to 1 0 to find an optimum signal intensity on the detector A uto piezo must be checked 23 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Spectrometer During operation the image line will drift downward due to thermal effects which has to be compensated by an increased value of the piezo setting Af
3. if at laser power 50 and medium detector sensitivity a well illuminated sharp image of the retina of a test person is obtained Line 19 OCT image If the check box service display is enabled in the OCT service window an arbitrary value for the signal to noise ratio SNR is displayed on the computer screen just below the OCT image For a healthy eye typical values of about 35 or higher are obtained when the OCT image is shifted to the upper range of the OCT display window Document the obtained values of a test examination 30 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Appendix SPECTRALIS Installation Report Line 20 line 22 Document the installed versions of the Heyex the Acquisition Module and the Viewing module The installed versions are displayed in the Heyex About menu Line 23 Fill in address and institution of the customer responsible person phone number and or email address Line 24 Date and Signature end test by Heidelberg Engineering Line 25 Installation o k Date and Signature confirmed by technician engineer responsible for installation Heidelberg Engineering GmbH fax 49 6221 646362 Att Technical Support email Support HeidelbergEngineering com Appendix SPECTRALIS Installation Report Art No 92 733 31 Confidential for internal and distributor use only BHEIDELBErG EnGInNecrinGs Spectralis Datasheet and Instal
4. loose the two screws of the spectrometer lens Focus position is adjusted by moving the brass lens mounting slightly forward backward If helpful a pin or a screw can be inserted to shift the lens The depth of the focus is smaller than 400 microns Optimum focus position can be detected by a maximum of signal intensity observed in the OCT service screen uncheck Live and Normalize IMPORTANT Shifting the lens affects the height of the image line Move the lens as slightly as possible and simultaneously move the piezo slider up and down to compensate for any changes in height Best focus is where maximum signal results after piezo optimisation Tighten the screws Signal will decrease but can be recovered by the piezo setting or a micrometer screw adjustment then proceed with Check Piezo Setting 6 3 Closing the Cover e First attach the protective earth wire as shown in the picture in section 5 1 e Then carefully impose the cover without touching the sensor board e Make sure that no cables resp fibers are squeezed e Tighten the 8 allen screws allen wrench 2 mm 28 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Final Check and Installation Report 7 Final Check and Installation Report In order to ensure an optimum performance of the SPECTRALIS units in the clinical environment Heidelberg Engineering requests the own field service as well as the international partners to
5. 2 Installation and System Configuration Software and Driver Installation Select Install from a list or specific location and click on Next Hardware Update Wizard This wizard helps you install software for Texas Instruments OHCI Compliant IEEE 1394 Host Controller If your hardware came with an installation CD or floppy disk insert it now What do you want the wizard to do C Install the software automatically Recommended Click Next to continue lt Back Cancel Select Don t search I will choose the driver to install and click on Next Hardware Update Wizard Please choose your search and installation options sae C Search forthe best driver in these locations Use the check boxes below to limit or expand the default search which includes local paths and removable media The best driver found will be installed Search removable media floppy CD ROM v Include this location in the search Browse Choose this option to select the device driver from alist Windows does not guarantee that the driver you choose will be the best match for your hardware lt Back Cancel Click on Have Disk Hardware Update Wizard Select the device driver you want to install for this hardware Sg Select the manufacturer and model of your hardware device and then click Next Ifyou have a disk that contains the driver you want to install
6. Page 38 and 39 in the HRA2 Installation Instructions The only difference is that you have to do this step twice First for the HRA2 and then for the OCT Module Confidential for internal and distributor use only HRA 2 Installation and System Configuration Software and Driver Installation 2 3 Tesycon Driver Installation additional Fire Wire Controller driver Open the Windows device manager e g from the control panel and check open the group IEE 1394 Bus host controllers Here you have to identify the FireWire 1394B Controller Card see next step Device Manager File Action View Help H Computer Disk drives Display adapters 2 DVD CD ROM drives Floppy disk controllers lt Floppy disk drives kg Human Interface Devices iy IDE ATA ATAPI controllers amp IEEE 1394 Bus host controllers gg OHCI Compliant IEEE 1394 Host Controller Texas Instruments OHCI Compliant IEEE 1394 Host Controller A Texas Instruments OHCI Compliant IEEE 1394 Host Controller c Keyboards 1 Mice and other pointing devices Monitors 88 Network adapters U EH EH EH Right click on each FireWire Controller select Details and search for DEV 8025 This Value means that this Card is the FireWire B Controller General Driver Details Resources So Texas Instruments Compliant IEEE 1384 Host Controller POREN 10408 DEV GUZ5R SUBS YS b231738 amp RPE
7. click Have Disk of OHCI Compliant IEEE 1394 Host Controller af Texas Instruments OHCI Compliant IEEE 1394 Host Controller E This driver is digitally signed Have Disk Tellme why driver signing is important STI Confidential for internal and distributor use only HRA 2 Installation and System Configuration Software and Driver Installation Insert the SPECTRALIS Installation Software CD into you CD DVD Drive and browse on this CD to the Folder 1394Driver Install From Disk 4 x A Insert the manufacturer s installation disk and then make gs sure that the correct drive is selected below Cancel Copy manufacturer s files from Dal 3940river Browse Then the following Screen should appear Click on Next Hardware Update Wizard Select the device driver you want to install for this hardware 2 Select the manufacturer and model of your hardware device and then click Next If you have Sup disk that contains the driver you wantto install click Have Disk Show compatible hardware T1384bus OHCI TI This driver is not digitally signed Have Disk Tellme why driver signing is important Cancel Click on Continue Anyway Hardware Installation The software you are installing for this hardware T1394bus OHCI TI has not passed Windows Logo testing to verify its compatibility with Windows XP Tell me why this testing is i
8. document the installation process by completing an installation report form see appendix This report should be filled out during after the installation procedure at the customers site and should be faxed or emailed to the support department of Heidelberg Engineering This installation report is an important element of the device history record of each instrument Please follow the procedures listed below Line Line 4 SPECTRALIS model name and serial numbers of camera power supply and touch screen panel These lines are filled out by Heidelberg Engineering Line 5 Fill in the serial number of the installed software protector dongle Line 6 Check if the instrument is set up with an instrumentation base joystick version XYZ version or the new Spectralis OCT slim version Write down the corresponding serial number if available Line 7 Check if the outer appearance of the instrument is o k no transportation damage Line 8 Check if all cables are properly connected Line 9 The instrument has to be connected to an appropriate isolation transformer Check if o k Line ro Line I2 Check the laser power values as follows Set the SPECTRALIS system to o diopters put the Ophir power meter with the HE adapter onto the objective and measure the laser power in the following modes 10 seconds average Line IO ICG mode 790 nm high resolution mode 30 field laser intensity 100 Line 11 IR Refl
9. for HRA and SPECTRALIS HRA small cut out Strain relief assembly for SPECTRALIS OCT and SPECTRALIS HRA OCT larger cut out Mount the cable loom strain relief assembly as shown in the HRA2 installation manual Make sure that the cable loom is not twisted and that the cable loop is long enough to allow the movement of the camera to its extreme positions 12 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Set Up Instrumentation Base and Camera 3 2 SPECTRALIS with instrumentation base XYZ unit Similar as for the joystick version also for the XYZ style instrumentation base a cable bracket with a larger cut out for the thicker cable loom with the OCT cables is required Cable bracket for HRA Cable bracket for II and SPECTRALIS SPECTRALIS OCT HRA small cut out and SPECTRALIS HRA OCT larger cut out 13 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Electrical Wiring 4 Electrical Wiring The electrical wiring of the SPECTRALIS system is very similar to the wiring of the HRA2 system please therefore follow the HRA2 installation manual for details The only differences for the SPECTRALIS HTA OCT resp SPECTRALIS OCT systems are listed below 4 1 Additional OCT cables in the cable loom The cable loom includes two additional cables the OCT data cable purple connector and the OCT power connector o
10. nm circular scan 17 Copy screen shot of SLD spectra attached uncheck live and normalize spectrum acquired in 30 HR Mode circ scan 18 Quality of IR image power at 50 medium sensitivity 19 SNR value image quality of OCT image o k OCT image in the upper quarter of display SNR values typically 35 activate service display 20 Installed Software Versions Heyex HEYEX Version NEM 21 Installed Software Versions Acquisition AQM Version Module 22 Installed Software Versions Viewing Module Address Institution of the Customer responsible person if possible phone and or email Institution Name Phone Name First name Fax Street Number e mail City Zip Remark Fax or scan email this document back to the support department of Heidelberg Engineering Fax 49 6221 646362 email support HeidelbergEngineering com
11. while slightly pushing the fiber into the nort Threaded nut of FCAPC connector Confidential for internal and distributor use only HRA 2 Installation and System Configuration Installation of the Sapphire and Spectrometer Fibers 5 4 Installation of Laser Coupler to the Kineflex The installation of the Sapphire coupler is described in detail in the HRA2 installation manual Please note the following two differences e The access to the alignment screws is more difficult due to the orange fiber cable and the flat ribbon cables of the OCT spectrometer unit It is recommended to use allen screws 2mm allen wrench for the alignment e The locking screw for the retaining pin is omitted as the access is more difficult Push the spring button in order to launch in the fiber optics Make sure that the polarisation key fits properly into the polarising key way The button can be released as soon as the fiber is properly positioned Once the fiber is positioned the 4 screws can be aligned in a wide range without readjusting the preload tension However usually after shipment only very slight readjustments of Ai and Br are required often the specified output power values are obtained without any readjustment 4 x locking nuts to secure alignment of If the fiber coupler is inserted properly the little set screw on the polarisation ring should be centered within the bore Push this spring button down for inserti
12. Confidential for internal and distributor use only Installation Guide SPECTRALIS HRA OCT What is new compared to the HRA2 Heidelberg Engineering GmbH 2007 Printed in Germany QM Art No 97 127 003 Sage Art No 19978 This document refers to the Manual Heidelberg Retina Angiograph 2 Installation and System Configuration Art No 96 037 006 BHEIDELBET tU ENGINEErNGa Confidential for internal and distributor use only Table of Contents I 2 3 4 5 T e cette 3 SOFTWARE AND 2 0 4 04 00000000000 4 2 inii RR ROOT IO 4 HRAZANDOCTDRVIRINSTATATON aaa 4 2 3 TESYCON DRIVER INSTALLATION ADDITIONAL FIREWIRE CONTROLLER DRIVER eerte teretes 5 SET UP INSTRUMENTATION BASE AND CAMERA IO 3 1 SPECTRALIS WITH INSTRUMENTATION BASE JOYSTICK VERSION eere entente nene tentata to tis IO 3 2 SPECTRALIS WITH INSTRUMENTATION BASE XYZ UNIT cccssssssssssesssscsessssssssssesecesssssessesessesesesesesseaeseseeseseeesees I3 ELEGIRIGALWIR Gili I4 AT ADDITIONALOCT CABEESIN den es estere bee E e I4 47 REESE lai I4 INSTALLATION OF THE SAPPHIRE AND SPECTROMETER 5 44 4 422201 I6 bp ARE MIO TE COVER Ob Pete POWER SUPPLY DOK
13. Measure the OCT SLD power 880 nm circular scan 30 field Line 16 Power out of OCT fiber injected into spectrometer This value needs not to be measured during normal installation However it may help to locate the source of error in case the curve of the SLD spectra line 17 is lower as supposed to be Measuring mode as in Line 15 but power range 30 W Line I7 Screen shot of the SLD spectra e Switch to live mode enable the OCT feature select OCT IR e Switch to 30 field HR mode and circular scan e Open the OCT Service Window Ctrl Alt Shift and wait until the auto calibration procedure is finished e Disable live and normalize by unchecking these features in order to display the original SLD spectra e Press Alt Prt in order to copy the window with the SLD spectra to the clipboard Open an appropriate program e g Paint Word etc insert the clipboard and print and or save the debug window with the spectra Attach this document to the installation protocol e Compare the measured spectra with the delivered print out The shape of the curve should be very similar the height of the maximum should agree within 10 Line 18 ine 19 In order to judge the quality of the instrument performance after installation a test examination IR reflection and OCT image of a normal eye should be accomplished The following criteria allow the evaluation of the images Line 18 IR reflection image Check
14. Scan Selection Standard C Wert Calib lt Horiz automatic IMPORTANT Do notstart to re adjust the optical setting before having verified that data transfer and fiber output power delivered to the spectrometer are correct Uncheck Live Normalize and Subtract Zero If any offset signal i e a flat but noisy signal which is updating continuously is missing then data transfer is interrupted In this case check cables restart the power supply and check the device drivers If data is transferred check the fiber output power with a powermeter about 2 W 880nm e Check Sensor Alignment If a spectrum is visible in the service screen at any piezo setting then check if the sensor is aligned parallel to the incident line spectrum Varying the piezo slider the position of the maximum and the shape of the curve should stay constant see figure 24 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Spectrometer ie RE pem i Esk a T haia E an 3 if Tm i emisti 1 cera Piezo 0 460 Piezo 0 520 Piezo 0 560 A tilt of the line sensor is evident if the spectrum is narrowed compared to the spectrum of your data sheet and its maximum moves from left to right or the other way round while moving the piezo slider see figur
15. V TVd amp 35FAETBUSRUSUS Confidential for internal and distributor use only HRA 2 Installation and System Configuration Software and Driver Installation After you found the FireWire B Controller click on Driver and then on Update Driver Texas Instruments Compliant IEEE 1394 Host Contr 2 x General Driver Details Resources So Texas Instruments Compliant IEEE 1334 Host Controller Driver Provider Microsoft Driver Date 01 07 2001 Driver ersion 5 1 2535 ll Digital Signer Microsoft Windows Component Publisher To view details aboutthe driver files Update Driver To update the driver for this device Boll Back Driver If the device fails after updating the driver roll back to the previously installed driver Uninstall To uninstall the driver Advanced OK Cancel Select No not this time and click on Next Hardware Update Wizard aw Welcome to the Hardware Update lt Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update eb site with your permission Read our privacy policy Can Windows connect to Windows Update to search for software Yes this time only Yes now and every time connect a device Click Next to continue lt Ba ck Cancel Confidential for internal and distributor use only HRA
16. al of the 8 allen screws 2mm allen wrench the power supply cover can be carefully removed as shown in the pictures below Make sure that the cover is tilted to the side opposite to the cable connectors as on this side the protective earth cable is attached Extreme care has to be taken for not touching and misaligning the sensor board Sensor board close to the power supply housing Remove protective earth wire 16 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Installation of the Sapphire and Spectrometer Fibers 5 2 Through Feeding and Installation of Fiber Cables The metallic fiber protection cap is removed from the Sapphire fiber coupler and saved in the provided thread next to the distance bolt i ee x F T The OCT fiber is laid through the cut out up to the spectrometer level just next to the protective earth wire a E e agia He n uu Cut out for the protective earth and the fiber 17 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Installation of the Sapphire and Spectrometer Fibers 5 3 Attachment of Spectrometer Fiber Connector key of FCAPC connector Remove the plastic fiber protection cap Insert the FCAPC fiber connector into the spectrometer fiber port Make sure that the connector key fits into the keyway of the fiber port Carefully tighten the threaded nut
17. diffraction grating The diffracted beam is imaged onto a line sensor Due to the very small pixel size of the detector 14 microns in height the adjustment of the grating and the adjustment of the sensor itself is crucial Fiber output collimating lens Diffractive grating E 5 2 b a yis lal i Aer mns Sensor line Focussing lens The line which is imaged onto the line sensor will drift vertically during operation due to th effects The piezo drive of the diffraction grating mount should compensate for this automatically The actual piezo setting is displayed on the OCT service screen 22 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Spectrometer 6 2 Check of the optical alignment e The OCT Service Screen OCT image acquisition is started by selecting OCTon the touch panel The OCT service screen will show up by pressing Ctr Alt Shift and Oat the same time provided that the acquisition window 15 active The service screen is showing the actual A Scan image i e one line detector output To check the optical alignment of the spectrometer the settings Z ve and Normalize have to be unchecked Now the raw spectrum should be visible fe Spectralis OCT Firmware Version 1 1 1 0 16000 1000 0 mV 122 1 mVv div 16383 o won x SONNEN Oc o FixScale 10000 Max Peak issue 3 3 3
18. e 0x 180 qug abd TOO nao Vana EAT ew 300 E 17128 wow 1868 p Pila mery LH xm 225 Compose E MM rome te 050 resse i Bs TE men IE Jedi um i x PO Bees me AT ta ss N Shoe d an ee i ei a i bares ile Dr veri as rem pe pem amc o 4 f Wem ve Coi n Hog cam T DU 7 Jute Pare To align the sensor board loosen the screw of the black mount only to the extent that the sensor board can be turned but is held in its position Turn the sensor board slightly to broaden the spectrum Possibly the micrometer screw has to be turned slightly by only a few degrees at the same time if the piezo range is not sufficient to match the change in image height Confidential for internal and distributor use only HRA 2 Installation and System Configuration Spectrometer L Show Smooth Expat 2000 0 service display crosshairs BScan Selection Standard C ert Calib C Horiz Calib Check the adjustment by moving the piezo slider and observing the spectrum as is described above Then fasten the screw carefully and check the alignment again e Check Piezo Setting The
19. eck during installation a calibrated Ophir power meter is absolutely required If the TSE sensor is not available the adjustment can be done with the Ophir laser power meter in the Tune Mode in order to reduce the fluctuations on the display due to the modulation of the laser 3 Optimise the fiber coupling by aligning the adjustment screws Br vertical tilt and Ar horizontal tilt of the manipulator to maximum laser output at the objective in FA mode 30 HR mode at o diopters Compare the measured values with the data given on the datasheet delivered with each system If the power values are not reached a control of the translation adjustment in horizontal and vertical direction of the fiber coupler has to be done Refer to the HRA2 service manual for a detailed description of this procedure 20 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Installation of the Sapphire and Spectrometer Fibers 5 6 Attachment of the fiber strain relief unit The fiber strain relief unit is mounted to the steel band with two M2 5x8 screws as shown is the picture below 21 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Spectrometer 6 Spectrometer 6 1 Principal set up The OCT signal is detected by a spectrometer inside the power supply box An optical fiber is inserted into the spectrometer the collimated light beam is then impinging on a
20. f SPECTRALIS OCT and SPECTRALIS HRA OCT it is important that these minimum requirements are met Complete PC requirements are as follows Motherboard Processor Intel Core 2 CPU Q6700 Chip set Intel 975X RAM 2 GiByte PCI Express Graphics PEG slots 2 Graphic card Chip set Geforce 8800 GTX or comparable Memory 512 MB 768 MB recommended Fire Wire Cards 1 PCI or PCI Express Card IEEE 1394a or on board IEEE 1394a interface FireWire 400 PCI Express Card IEEE 1394b FireWire 800 Internal HDD 40GB Windows XP Confidential for internal and distributor use only HRA 2 Installation and System Configuration Software and Driver Installation 2 Software and Driver Installation 2 1 Overview The following chart gives you an overview of the Spectralis PC software architecture r M rr r r r r ey Windows 2000 SP4 Windows SP2 PC Heidelberg Eye Explorer Spectralis HRA2 Acquisition Module hra2 aqm IModule Device Driver API Microsoft Thesycon Graphics Board GDI OpenGL Southbridge Northbridge Northbridge 512 MBytes mo Controller 6 pin IEEE avers Spectralis OCT Modules pm 2 2 HRA2 and OCT Driver Installation Proceed
21. lation Report Art Nr 92 733 005 vom 02 12 2008 Page 1 2 Form Spectralis Datasheet Installation Report SPECTRALIS Datasheet and Installation Report 1 Spectralis Model Heidelberg Eng Installation at HRA OCT L HRA OCT Plus _ OCTL Endtest protocol Customer site 2 SN Spectralis System Camera Label 3 SN Spectralis Power Supply PWS 4 SN Touch Panel TSP 5 SN Dongle 6 SN Instrumentation Base 7 Appearance o k no transportation damage check if correct 8 All cables properly connected check if correct Oo 9 System including PC connected to isolation transformer check if correct Laser Power Measurements Specification Measurement Measurement at objective closed cover Endtest HE installation refraction O dpt 100 power average 10 s average 10 s 30 field HR mode 13 Primary Sapphire 7 9mW mW mW power display reading 14 Sapphire power after mW AOM continuous diffraction into 1 Order Confidential for internal and distributor use only BHEIDELBETIG m eNGineerinGe Spectralis Datasheet and Installation Report Art Nr 92 733 005 vom 02 12 2008 Page 2 2 Form Spectralis Datasheet Installation Report SPECTRALIS Datasheet and Installation Report SN Spectralis System Camera Label 15 SLD power 1 10 1 25 mW A 880 nm IR OCT set IR to 0 circular scan 16 Power out of OCT fiber injected into Spectrometer 880
22. mode 790 nm high resolution mode 30 field laser intensity 100 Line 12 FA mode 488 nm high resolution mode 30 field These values should be within the listed specification range On the report form the results of measurements during the end test procedure in Heidelberg are given as reference Line I3 The primary Sapphire laser power is shown on the power supply display The specification range is 7 mW g mW The value should be in agreement 0 2 mW with the data filled in by Heidelberg Engineering Line I4 Sapphire power after AOM in the 1 order beam This value needs not to be measured during normal installation However it may help to locate the source of error in case the specified range of FA power line 12 can not be reached 29 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Final Check and Installation Report Line I5 In order to measure the power of the SLD OCT light source proceed as follows Switch to IR OCT Mode select circular scan pattern no laser modulation and set the IR Laser to laser power 0 Therefore the Touch Panel has to be set to the service mode see HRA2 service manual then press 5 and 5 times the minus button Mount the power meter wavelength 880 nm range mW onto the objective Averaging procedure is not required Important For stable power reading deactivate Live and automatic buttons in Service Window
23. mportant Continuing your installation of this software may impair or destabilize the correct operation of your system either immediately or in the future Microsoft strongly recommends that you stop this installation now and contact the hardware vendor for software that has passed Windows Logo testing Continue Anyway Confidential for internal and distributor use only HRA 2 Installation and System Configuration Software and Driver Installation Click on Finish Hardware Update Wizard SS Completing the Hardware Update lt Wizard The wizard has finished installing the software for T1384bus OHCI TI Click Finish to close the wizard Cancel To verify that the Driver is correctly installed you now have to see that the Device name changed to I1394bus OHCI TT A Device Manager File Acton View Help e mF H Computer 9 Disk drives ee Display adapters H DVD CD ROM drives H Floppy disk controllers Hd Floppy disk drives Human Interface Devices IDE ATA ATAPI controllers B IEEE 1394 Bus host controllers De Keyboards Mice and other pointing devices Monitors H E Network adapters After installing this Driver it could be necessary to turn off the PC completely include removing the power cable for 1 minute Now Proceed with Page 40 in the HRA2 Installation Instructions Confidential for internal and distribu
24. n of about 0 3 If the optimum signal is at a slider position which is too large to meet these requirements turn the micrometer screw clockwise Correspondingly if the optimum signal is at a slider position which is too low turn the micrometer screw counterclockwise e Check OCT Image Quality To assess OCT image quality check Service Display in the Service Screen A SNR value is now displayed below the OCT image Acquire an OCT image of your eye Make sure that refraction setting and head rest positioning are optimum to get a reliable measure Move the Spectralis camera forward backward until the OCT cross section appears in the upper third of the image display Press freeze on the touch panel to freeze the image and to read the SNR value It should be at least 35 on a normal healthy eye e Check Image Quality Decay Inherent to the OCT technique is a decay in image quality with depth Acquire an OCT image at a larger depth Try to fixate the same position as before Move the Spectralis camera forward backward until the OCT cross section appears at about the center of the image display Check that at this position still decent images are available If there is a decay in image quality with depth which is evidently stronger than described above the focus of the spectrometer should be readjusted 27 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Spectrometer To adjust the focus
25. ng the fiber coupler or pre alignment tool Retaining pin J omitted in new units Screw for locking retaining pin is omitted Nut for polarisation key Confidential for internal and distributor use only HRA 2 Installation and System Configuration Installation of the Sapphire and Spectrometer Fibers 5 5 Measurement of FA Laser Power at objective I Start the SPECTRALIS system and the computer open the acquisition module and wait until the message warmup on the LCD at the power supply is replaced by zo error Then switch to Live Mode and select fluorescein angiography FA mode Some blue light should be visible at the camera objective 2 Mount the Ophir Powermeter with the special Camera Adapter on the camera objective Select the wavelength 488 nm and the range max 3 mW Set the camera to 30 HR Mode and o diopters Measure the laser output by using the average procedure ro seconds The specified power range is 260 W 300 W Please note For the alignment procedure we recommend to use the Heidelberg Engineering TSE sensor equipped with an special Camera adapter fitting on the SPECTRALIS objective The TSE sensor significantly facilities the adjustment procedure as the reading of the sensor is less affected by the fluctuation due to laser modulation However the TSE sensor is not calibrated and can be used only for relative power measurements and for adjustment procedures For the final power ch
26. piezo setting can be varied within a range from o to 1 0 corresponding to a positioning shift of o to 25 microns To compensate for thermal drift the automatic piezo setting will move towards 1 0 during operation The initial setting therefore should be in the lower range about o 300 to 0 350 at system start which has to be adjusted by the micrometer screw Check the actual optimum piezo setting This can be done automatically by checking Live or Auto Calib or manually by pushing the slider upwards starting from o and identifying the maximum signal IMPORTANT Due to hysteresis of the piezo the slider has always to be moved upwards starting at setting o Maximum intensity occurs at a different piezo setting while moving downwards 26 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Spectrometer If the optimum piezo setting is at its upper limit 1 0 or near the micrometer screw has to be turned very slightly and very slowly clockwise This is a sensible procedure One complete turn of the micrometer screw corresponds to a shift of 500 microns What is needed is a shift of about 10 microns so only a few degrees are required Then move the slider to find the position of maximum signal intensity or use the automatic calibration If the system has been run for some hours the slider should be in the upper range about 0 7 for a cold system the maximum signal should be at a slider positio
27. range connector Fire Wire data OCT data Instrumentation links to PC Foot switch connector base Touch panel Service port Power cor Dataconnector Powerconnector Signal connector cord POWEL connector 4 2 Fire Wire links to the computer In addition to the HRA2 Fire Wire cable IEEE 1394 A Standard 200 MBit s there is now an additional Fire Wire OCT B Standard Power Inlet and fuse Fire Wire HRA A Standard Ie OCT data port i OCT power port Confidential for internal and distributor use only HRA 2 Installation and System Configuration Electrical Wiring Fire Wire cables connected to the power supply Fire Wire cables connected to the computer B Standard cable connected to the PCI Express Card IEEE 1394b Please note The external hard disks are connected to additional FireWire ports of the computer As laptops usually do not provide electrical power at the FireWire interface there was in the HRA2 the possibility to connect external hard disks without intrinsic power supply to the power supply This option does not exist anymore for the SPECTRALIS system 15 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Installation of the Sapphire and Spectrometer Fibers 5 Installation of the Sapphire and Spectrometer Fibers 5 1 Remove the cover of the power supply box Make sure that the power is switched off After remov
28. ter some hours of operation the optimum piezo setting will have been run from about 0 3 or 0 4 depending on its initial setting towards 1 0 A failure of calibration is indicated by a piezo setting of 1 0 the piezo has been moved upwards from o to 1 0 but no spectrum signal has been detected If Normalize and Subtract Zero are unchecked only a flat line with some noise shows up If automatic calibration fails and only a flat noisy line is visible the spectrometer has to be re aligned Spectralis OCT Firmware Version 1 1 1 0 i x 16383 k OO ae E ae eS ae 16000 4000 0 mV i 1221 mVv div ou d XY CQ qd corr a Fix Scale L 0000 Max Peak 8000 No spectrum but noisy offset _togValue Signal Trace 6000 l Damp xs 4000 1 vp v rv L1 Show Smooth 0 0 mv g 1023 Live Image Display Piezo OCT gt HRA Corr Ref Arm pee eee hits Capture Setu xcofts 0 000 Set Zero esum Capture Setup 0 490 zero 18786 0 5 8 914 pm Capture 2D T y Offs 0 000 UA anual Calibration i 5 Aut x Ampl 1 000 ate Subtract zero Ton E ormalize Set i i Shutters Auto Piezo Show B Scan service display crosshairs B
29. tor use only HRA 2 Installation and System Configuration Set Up Instrumentation Base and Camera 3 Set Up Instrumentation Base and Camera 3 1 SPECTRALIS with instrumentation base joystick version 3 1 1 Launching the cable loom through the instrumentation base After the camera head is mounted onto the instrumentation base the complete cable loom is launched through the cable feedthrough brass tube channel as shown in the following pictures First the black strain relief assembly for cable loom needs to be removed Then the optical fibers are threaded through FCAPC fiber connector for spectrometer fiber coupler for Sapphire FA laser fiber strain relief Black strain relief assembly for cable loom removed GRAVES ese ebeee fiber strain relief fits through the brass tube Confidential for internal and distributor use only HRA 2 Installation and System Configuration Set Up Instrumentation Base and Camera Then the three bigger HRA connectors are threaded through the cable channel The order black red blue connector is recommended Re Finally the purple and orange connectors OCT unit are inserted 11 Confidential for internal and distributor use only HRA 2 Installation and System Configuration Set Up Instrumentation Base and Camera 3 1 2 Modified strain relief for SPECTRALIS cable loom Strain relief assembly for cable loom Strain relief assembly
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