VisuaStim Digital - Resonance Technology Inc.
Contents
1. nennen nenne nnne nennen nene nennen sene nnns 20 7 4 2 Electricallharacteristics nennen nenne nenne nnne nnne nna nnn nene nnns 20 Fs MOO OOE uas n OS NENNEN li ii EK KK MEE NNI MIU E EIU UE 29 7 5 1 Physical Characteristics METTE E T ld 29 7 5 2 Display el E e E E EE 20 76 1 E P 29 7 6 1 AcousticalCharacteristics RRE 20 B SUDDBOFE LHITOHTIGU eg Eua E VER EERR VER KEEN ERG FEHEE ENPNEENEKI SU Resonance Technology Inc VisuaStim System I nstallation Operation Manual RTC VS Rev 11 Resonance Technology Inc VisuaStim System I nstallation Operation Manual RTC VS Rev 11 1 Introduction Congratulations on your purchase of the VisuaStim Digital MRI compatible f MRI system with high resolution stereo 3D glasses This device represents more than 40 years of development and state of the art engineering We are confident this product will give you the tools you need for sophisticated fMRI visual audio stimulation research presentations This installation operation manual outlines how to properly install and operate the system Thank you for choosing to purchase this advanced fMRI system from Resonance Technology Inc the leader in fMRI and MRI patient comfort systems Suggestions on how to improve this system are always welcome2. kS D Y org KK jud AP amp lt A Va av es S A E ast Vus Vm WP Remove both upper and lower cable covers from the transducer by loosening the 4 black thumbscrews on the covers 5 2 2 Unravel all the fiber optic cables from the plastic coil Select all pairs except the black and white pair 79 10 Put the unused fibers back into the plastic coil Remove the plastic dust caps from the selected fiber optic connectors Keep the dust caps for future use whenever cables might be removed for service 5 2 3 Remove the dust caps on all the fiber optic connectors on the transducer Matching the fiber optic connector colors with the labels on the transducer insert the fiber optic cable connector until fully seated connector will click when properly seated Perform the same procedure on the remaining pairs of fiber optic cables 5 2 4 Connect the Power Supply cable to the Transducer Make sure the ring on the connector is secure Route the cable to one of the round notches near where the fiber optic bundle exits the housing 5 2 5 Secure the fiber optic bundle strain relief to the transducer housing Make sure all of the individual fiber optic cables have a smooth bend radius The fiber optics can be damaged if bent too tightly L ge wa ee E Resonance Technology Inc VisuaStim System Installation Operation Manual RTC VS Rev 11 Installation Procedure 5 2 6 Carefully install the lower cab
3. Sincerely Mokhtar Ziarati President and CEO Resonance Technology Inc Fe ge Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 2 Safety I nformation 2 Safety Information At Resonance Technology Inc patient safety is our top priority Please review this section completely as its contents are vital to the safety of the installer the clinician operator and the patient 2 1 Important Warnings for Patient and Operator Safety 2 2 Precautionary Patient Conditions Eve Disease Eye Injury Glaucoma If the patient has been diagnosed with or is susceptible to eye disease eye injuries or glaucoma instruct the patient to consult their doctor before using the video goggles Use of this product by individuals with conditions such as glaucoma is not recommended Heart Disease High Blood Pressure If the patient has a history of heart disease or high blood pressure instruct the patient to consult their doctor before using this system If during viewing any increased anxiety is experienced stop using this product immediately and instruct the patient to rest If the symptoms persist after resting instruct the patient to consult their doctor before continuing using this product Seizures If the patient has a history of temporary spasms unconsciousness or epileptic seizures from light stimulation instruct the patient to consult their doctor before using this s
4. 15kHz Outside Noise 30dB passive nominal Attenuation Page 29 Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 8 Support Information 8 Support Information If you have any questions regarding the VisuaStim system use or installation please don t hesitate to call Resonance Technology Inc Customer Service Department Service and technical support staff may be reached Monday through Friday 8 A M to 5 P M Pacific Standard Time USA at 1 818 882 1997 or e mail to support mrivideo com Page 30 Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 8 Support Information Resonance Technology Inc Product Recycling Program ER KEES bh em FEUSE ECYCLE Resonance Technology Inc actively supports the protection of the environment by efficiently recycling all our electronic products Our everyday pollution prevention activities reduce the need for electronic waste to go into landfills At Resonance Technology Inc we are committed to our customers our communities and to everyone s environment In light of the above Resonance Technology Inc recommends that all our customers return their undesired obsolete or unused Resonance Technology Inc equipment to the following address for recycling Resonance Technology Inc Attn Product Recycling Program 18121 Parthenia Street Northridge CA 91325 Page 31 Resonance
5. Video Mode Selects the video input routing to the video goggle Please refer to Section 6 5 3 for details Video Res 60Hz800x600 Selects the expected refresh rate from the input video signal 75Hz800x600 85Hz800x600 Patient Volume Balance Bar Graph Used to balance the Audio on the Patient Headset Communication Mode Selects the Type of Connection between Controller and Patient Manual Full Duplex Off Enables patient microphone in the Control Room even when Talk On button is pressed so both patient and technologist can speak and hear each other at the same time Turn this off if there is a problem with feedback Audio Input AUDIO 1 Selects the audio source for both patient and operator AUDIO 2 VGA Trigger Enables or disables paradigm triggering on VGA vertical sync ON LVGA Trigger PW 1ms 2ms Adjust the output trigger pulse width from VisuaStim Controller to RVGA Trigger PW 4ms 8ms stimulus PC when VGA is used as trigger source RF Trigger STOP Enables or disables trigger pass through of MR trigger signal on BNC START input RF Trigger PW 1ms 2ms Adjust the output trigger pulse width from VisuaStim Controller to 4ms 8ms stimulus PC when RF BNC MR trigger is used as trigger source FIBOP Trigger STOP Enables or disables trigger pass through of MR trigger signal on START fiber optic input FIBOP Trigger PW 1ms 2ms Adjust the output trigger pulse width from VisuaStim Controller to 4ms 8ms stimulus PC when RF BNC
6. VisuaStim System Installation Operation Manual RTC VS Rev 11 Operation 6 6 4 5 Click the Test button under the list of created trigger channels Start your MRI scanner to generate trigger pulses The test window should look similar to the example below if it is receiving the trigger signal Make note of the numerical value shown You will need it in the next step Click OK to close the Input Channel Test window Any code sent by the device should appear below Values s 2 s 6 6 4 6 Click the Close button on the Port Settings window Back in the main settings window if not selected already select your new trigger channel in the fMRI Mode Triggers section Enter the number observed during the previous test into the Value field Leave the Type field at start esentatior Experiment Editor Tools License Main Scenarios Settings Editor MAI Made Triggers General Ce Use port input channel Use response button event Channel trigger channel i Button c I es X Value 2 Type start Select button an the Hespanse panel Input Fart Add z Remove Output Fort Add Remove Data Port Add Remove Mote port based response devices are Part Properties added on the Response panel Page 26 Resonance Technology Inc VisuaStim System Installation Operation Manual RTC VS Rev 11 Operation 6 6 4 7 Click the Test button In the Tr
7. gt Bre un ORE US aze dee e EE 0 E ae T x DS Eu D el Le Ze e BE b iis s er aul Lin be 5 4 6 Connect the 15 pin male to male cable from the connector labeled PATIENT SKEAKER to the VisuaStim CONTOLLER INTERFACE connector on the Remote Interface Box i ZZ e A gt I a a e Liebe s E r a Ch Ke zeg Se Ke E Li i Ka E rd CR Ge E gle Ge ka SCH D AnA A i B i Sei IS ed e r 5 S gt p i ae net rents t i T 1 te ELI Ae j 1 b at d ak Ei ei a Il See ZC SCH Ze e Maso ties e Beto Gab e i x P d r Er ur ef Lu Ime e PETERE PR ae le i oes us 5 4 7 Set the Technologist Remote Control on a firm surface and connect it to the REMOTE INTERFACE connector on the Remote Interface Box 5 4 8 To connect the audio inputs use the supplied 1 8 3 5mm male to male stereo cables Connect the LINE OUT from the PC usually a pale green connector to the IN 1 or IN 2 connectors on the Controller s rear panel Connect another cable from the OUT connector to the amplifier box of the PC speakers 5 4 9 To be able to record the patient s audio headset microphone voice on a computer connect the REC OUT from the Controller to the LINE IN connection on the PC usually a pale blue connector You must use recording software such as Windows Sound Recorder to be able to record the patient s voice Page 14 Resonance Technology I nc VisuaStim System Installation Op
8. MR trigger is used as trigger source Visor Power On Controls the power supplied to the patient video visor Off System Power On Controls the power supplied to the VisuaStim Controller and Off Transducer System Information A V Console Displays hardware version firmware version and serial number of Transducer selected device Tech Remote Default Settings Please Note To reset the system to the original Factory Default Settings perform the following Adjustment Wheel 1 Set Patient Audio to 1 Adjustment Wheel 2 Set Patient Microphone to 2 Adjustment Wheel 3 Set System Audio to 3 Press and hold the Talk button for 15 seconds Wait for the display to count down to zero Release the TALK button and wait for the system to re synchronize Both the CinemaVision Controller and Transducer front panel logo lights should have color lights rotating once synchronized UM W N PR Page 20 Resonance Technology Inc VisuaStim System Installation Operation Manual RTC VS Rev 11 6 Operation 6 4 Performing Data I ntegrity Tests on the Magnet Before using the VisuaStim system on patients always do at least two data integrity tests on the magnet to verify that the MRI images are acceptable Minimum tests required e DQA Phantom Test e 3 Plane Localizer Test 6 5 Patient Setup 6 5 1 Overview Make sure all cables have been connected securely to the Transducer in the Magnet Room and that the system
9. MRI Suite or Magnet Room CONTRO ROOM MAGNET ROOM IMR FC MONITOR TECHNOLOGIST e AUDIO HEADSET ror 8 VIDEO GOGGLES d mH LM Seef j E asi amm y HE INTERFACE TU METERS LUNG D die POWER CABLE wi eerte ER EN TECH REMOTE LOW PASS CONTROLLER l FIBER OPTI UNIT Dg FIL VERS OPTIONAL LINEAR Gant FOR POWER w POWER SUPPLY SUPPLY Fi Fi MAGNET RO OM Ex GUIDE Ux C ABHINEIFS 1 METERS LONG D POWER CABLE T r 4 MAGNET PENETRANON COOLING PANEL Ka Ges e EQUIPMEN SWITCHING POWER SUPPLY EOUIPMEKHT COMPUTER ROOM The Control Room setup consists of placement and connection of the VisuaStim Controller Technologist Remote Control and stimulus computer with video monitor not included A 12 channel MR Laserlink fiber optic cable bundle is routed from the VisuaStim Controller in the Control Room through the filter panel waveguide in the Equipment room to the VisuaStim Transducer inside the Magnet Room Inside the Magnet Room the patient is fitted with the VisuaStim audio headset and video goggles For power source the VisuaStim Transducer utilizes a standalone power supply that must be installed outside the Magnet Room since it contains ferromagnetic components and has internal frequencies which may cause interference This supply must be located outside the 20 Gauss line The power delivered by this power supply is conducted via a power cable that is filtered at the
10. Remote Control VisuaStim A V Controller 5 4 1 Set the VisuaStim Controller on a firm desk or table in the Control Room 5 4 2 Do not power up the VisuaStim Controller until after complete system installation 5 4 3 Unravel all the fiber optic cables from the plastic coil Select all pairs except the black and white pair 49 10 Put the unused fibers back into the plastic coil Remove the plastic dust caps from the selected fiber optic connectors Keep the dust caps for future use whenever cables might be removed for service 5 4 4 Remove the dust caps on all the fiber optic connectors on the Controller Matching the fiber optic connector colors with the labels on the Controller s real panel insert the fiber optic cable connector until fully seated connector will click when properly seated Perform the same procedure on the remaining pairs of fiber optic cables Resonance Technology Inc VisuaStim System Installation Operation Manual RTC VS Rev 11 Installation Procedure 5 4 5 Connect video source s from PC or laptop computer to RIGHT INPUT and LEFT INPUT on rear panel of controller The right input is considered primary and should be used if only one input is connected Connect PC s monitor to OUTPUT connector NOTE While both DVI and VGA connections are provided using a mixture of connections is not supported Both inputs and output must be ALL DVI or ALL VGA n A GR Se uM ES Ze D ze Ee 3 T MENSES
11. com 2 4 MRI Environment Hazards Installation of materials inside the MRI suite must be done with extreme caution and only by authorized personnel Care must be taken to keep ferromagnetic materials such as tools filter plates screws etc at least three meters approximately 10 feet away from the energized magnet Absolutely no work should be done near the filter panel when a scan is in progress In addition no persons with ferromagnetic prosthetic devices such as pacemakers or joint replacements should enter the MRI suite at any time Extremely high magnetic forces have the potential to dislodge ferrous items at high velocities that can result in serious injury or death Only system components explicitly designated for use in the MRI suite should be placed inside the MRI suite Components not designated for use inside the MRI suite may present a projectile hazard and can become airborne causing property damage serious bodily injury or death Please refer to the installation block diagram to determine which components belong inside the MRI suite Resonance Technology Inc will not be held liable for any injuries or property damage which may occur as the result of improper use or installation of this product By agreeing to this notice users certify that they are familiar with basic safety procedures in an MRI room environment and that they have read and understand these safety precautions For questions regarding installation proced
12. components do not impede any walkways Ensure that the Transducer is not placed directly in front of the bore of the magnet Before placing the Video Goggles and Headphones on the patient make sure that the patient headset audio levels on the Control Room Tech Remote Control have been set to a comfortable level See Technologist Remote Control operation section on page 19 for level adjustments Place the Video Goggles and Headphones over the patient s ears and eyes and adjust the headband NOTE the pivot should not be rotated more then 15 and visor bands if necessary Position the headset microphone about 1 inch 2 5 cm away from the patient s mouth Your patient is now ready for your scan procedure 6 5 2 Audio Setup Make sure the system level output on the Tech Remote Control is set to approximately mid level See Technologist Remote Control operation section on page 19 for level adjustments Before using the headset on a patient verify that the volume level is not too loud Also if crackling or static is present in the audio the source level may be set too high Reduce the volume level on the PC until the crackling is no longer present After this initial setup the patient headset output level will be adjusted from the Tech Remote Control For safety always notify the patient when making volume level adjustments to the patient audio headset Page 21 Resonance Technology I nc VisuaStim System Installation Operation Man
13. drivers version 162 50 or older Frame sequential 3D is no longer fully supported and is provided for backward compatibility only STEREO modes can be used for 3D when separate left and right images are available providing full 60Hz 75Hz or 85Hz refresh rate to each eye While the VisuaStim video goggle system is designed for refresh rates of 60Hz 75Hz or 85Hz not all computer monitors are capable of producing video at refresh rates other than 60Hz Please check the specifications of your monitor prior to setting refresh rates higher than 60Hz Page 22 Resonance Technology Inc VisuaStim System Installation Operation Manual RTC VS Rev 11 How to fit the Video Goggles into the 8 channel head coil 6 5 4 1 With the patient s head half way in the 8 channel head coil slide the Video Goggles under the center part Slide the Video Goggles under the Head coil center part 6 5 4 2 Fit the patient s head all the way into the coil and slide the Video Goggles down to fit the patient s eyes Place the patient s head all the way into the 8 channel head coil Page 23 Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 6 6 MR Trigger Synchronization Setup The timing of stimuli in relation to the scan time is crucial in fMRI experiments It is very important that the stimulus and scan must start at precisely the same time For that reason f MRI researchers must use a trigg
14. one containing the DB 9 filter If there is not a blank filter plate available look for an available DB 9 filter that may be installed elsewhere on the penetration panel If one is available verify the polarity to ensure the transducer cables will mate Again it may be necessary to reverse the direction of the filter If no free filters are available then a new DB 9 cut out will need to be punched into the penetration panel or plate Please check with the facility for permission and preference to the filter s location 5 1 3 Route the transducer power cable that will be used in the magnet room following a similar path to the fiber optic cable Avoid running the power cable close to the high energy RF cables for the magnet as the RF energy may interfere with reliable operation of the system Connect the DB 9 connector of the cable to the DB 9 filter 5 1 4 In the computer equipment room choose a site for the transducer power supply that will be convenient to the operator Route the remaining transducer power cable from the power supply location to the penetration panel Connect the DB 9 cable to the same DB 9 filter that the other transducer power cable is connected to Page 10 Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 mm Jj in ar Dr GAP e nantT pde Ime mp Bag Be ar Yata D L Wien AE DE D BE I D CX ILE COTM TELLO m m 4 n St L X
15. penetration panel using low pass DB 9 filters depending on the type of magnet Optionally a Linear Medical Power Supply can be securely installed inside the Magnet Room outside the 200 Gauss line With the exception of the audio headset and visor goggles all the Magnet Room components of the VisuaStim must be installed to the side of the magnet shroud and never in line with the bore Additionally these components should be placed in an area not heavily trafficked to keep them from being damaged Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 Installation Procedure 5 Installation Procedure The installation procedure consists of four major phases Installing the MR Laser Link Cable and Transducer Power Supply Cables e Magnet Room Component Interconnection e Equipment Room Component Interconnection e Control Room Component Interconnection Before you begin the installation determine the location where the transducer will be installed It should be a secure area next to the magnet and away from traffic Please refer to the photo below for typical placement Audio Headset Transducer Unit Resonance Technology Inc VisuaStim System Installation Operation Manual RTC VS Rev 11 5 Installation Procedure 5 1 Installing the MR Laser Link Cable and Transducer Power Supply Cables The preferred method of routing the fiber optic cable is to run the cable from the contro
16. 170 000 101 VisuaStim Controller Unit RTC 330 170 093 000 VisuaStim Controller Rear Bracket RTC 650 040 000 000 RTC 330 240 001 000 RTC 650 020 000 000 Technologist Remote Control RTC LPS 1 Linear Power Supply Installation Operation Manual optional RTC 101 525 001 000 1 HD 15 Female to Female Cable 3 PCM 2230 06B 2 HD 15 Male to Male VGA Cable 6 2 2 Speaker System Remote Interface Speaker for Control Room monitoring of patient 1 1 1 1 RTC 330 170 404 000 1 8 Mini Stereo Cable 6 101 2n amp 6 nn3 Hospital Grade AC Power Cord bia be ee 1 for Controller 1 for Transducer Power Supply 129712 00 Cable bundling tubing 3 2 Magnet Room Components RTC 330 050 000 000 1 VisuaStim Transducer RTC 650 050 182 000 Transducer Mounting Plate specific to your magnet type RTC 650 050 270 001 Acrylic Transducer Stand optional RTC 650 060 000 000 Audio Headset w Microphone soft shell version RTC 650 065 000 000 Audio Headset w Microphone slim version RTC 651 060 621 000 Headband for Soft Shell Headset 1 1 2 1 1 RTC 650 070 458 000 Goggle Strap RTC 650 070 060 000 RTC ALS HDH RTC 651 000 453 000 RTC 101 245 001 001 Set of Corrective Lenses optional Offered Upon Request Headset Hooks Custom Headrest for G E 8 channel coil to fit audio headset Transducer DC Power cable 15 meters 50 Resonance Technology Inc Visu
17. Installation Operation Manual VisuaStim Digital 18121 Parthenia Street Northridge California 91325 USA 1 818 882 1997 1 800 428 MRTV www mrivideo com Innovative MRI Compatible Virtual Entertainment System for Advanced Functional MRI Resonance Technology Inc VisuaStim System Installation Operation Manual RTC VS Rev 11 Notice This document contains proprietary information protected by copyright All rights reserved No part of the document may be photocopied or reproduced without the prior written consent of Resonance Technology Inc Information contained in this document is covered by one or more of the following U S patents 5627902 5877732 5432544 5412419 Resonance Technology Inc VisuaStim System I nstallation Operation Manual RTC VS Rev 11 Table of Contents 1 Introduction GN MM MA 2 1 Important Warnings for Patient and Operator Safety annarannnnnnannununnnannunnnavnunnnanavnunnvavnunnvavnvnne 2 22 Precautionary Patient Conditions e idir ilini disa MR EE MIN RE ll 2 Ac USO de NS eet M 3 2 4 MRI Environment ET i nd l URNA DUI NND Md VIDES E 3 2 5 General Warnings for Electronic Products u araunnvanannunnnnnnunnnannunnnnnannunnvavnunnnavnvnnnnnavnunsvavnvnunnvannne d 2 6 Labeling Used to I ndicate Device Safety araununnnnnnunnnnnnunnnnnnununnnavnunnnavnunnvavnununnnavnunnvavnunnvavn
18. O On Two video sources are present Stereoscopic display is possible Frame sequential 3D signal not present O 3D o 5 Monitor Input selection ff n Frame sequential 3D signal detected 6 Blank Screen Trigger Status Indicator Description Right eye in video goggle is enabled RIGHT Right eye in video goggle is blanked Left eye in video goggle is enabled LEFT Page 18 Resonance Technology I nc Left eye in video goggle is blanked VisuaStim System Installation Operation Manual RTC VS Rev 11 Operation 6 3 Technologist Remote Control TEN M lenu wW wheel a rZ ni is Ge The TALK button allows the h i gogi to ne gt two way dsel t E d lr mic ln and Tech Remote unication link with the patient control room audio Wheel 1 Controls the patient headset audio level Scrolling the wheel up increases the headset volume Scrolling the wheel down decreases the headset volume Scrolling the wheel down while pressing down on the Menu wheel 4 mutes the headset Scrolling the wheel up while pressing down on the Menu wheel 4 un mutes the headset Previous volume setting is resumed Wheel 2 Controls the Patient Microphone audio level Scrolling the wheel up increases the patient microphone volume Scrolling the wheel down decreases the patient microphone volume Scrolling the wheel down while pressing down on the Menu wheel 4 mutes
19. Technology Inc VisuaStim System I nstallation Operation Manual RTC VS Rev 11 Page 32 Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11
20. aStim System Installation Operation Manual RTC VS Rev 11 Installation Materials 3 3 Equipment Room Components RTC 650 300 000 001 Transducer MRI Medical Power Supply RTC 101 306 003 000 2 Hospital Grade AC Power Cord RTC 101 210 001 001 Transducer DC Power cable 3 meters 710 1 RTC 650 080 610 000 Filter Plate for G E Penetration Panel RTC PL 502RB Filter Plate for Philips Penetration Panel RTC ALS FPP Filter Plate for Siemens Penetration Panel large version RTC 650 080 525 000 Filter Plate for Siemens Penetration Panel small version RTC 650 300 605 000 1 9 pin D Sub Filter 1 3 4 Installation Items RTC ALS TWR 20 Tie Wraps RTC ALS TWH 20 Tie Wrap Holders RTC 101 112 001 000 1 12 Channel LC type MR Laser Link Cable 3 5 Accessories RTC ALS HEC Headset Earpiece Covers 0 RTC 650 060 052 000 Headset Microphone Cushions Resonance Technology Inc VisuaStim System Installation Operation Manual RTC VS Rev 11 4 Room Layout Overview for Installation 4 Room Layout Overview for I nstallation While no tools other than tie wraps are required to install the system in the MRI suite absolutely all ferromagnetic tools remain outside of and away from the door leading to the MRI suite Below is a typical MRI setup Your individual installation may vary somewhat but it will generally be spaced into three areas Control Room Computer Equipment Room and
21. er pulse from the scanner at the start of the scan to trigger the start of the stimulus on the PC in software packages such as Presentation e Prime or Cogent 6 6 1 Verify the trigger cable has been properly connected to the system Refer to steps 5 4 10 through 5 4 11 in Section 5 Installation of this manual for connection details 6 6 2 Using the Tech Remote Control the pulse width of the sync pulse from the VisuaStim Controller to the PC can be set to 1ms 2ms 4ms or 8ms Use the setting that matches the type of input signal being used BNC vs fiber optic 6 6 3 For best results the MRI scanner should be set up to generate EPI sequences with a pulse duration of approximately 12ms for syncing and triggering purposes 6 6 4 Configure your stimulus presentation software to use the appropriate signal from the trigger cable Following is an example using Presentation 6 6 4 1 6 6 4 2 6 6 4 3 6 6 4 4 Go to the Settings tab and select the Port button on the left side In the fMRI Mode Triggers section select Add new channel and give the new channel a meaningful name such as Serial Trigger or Parallel Trigger with Interrupt etc In the Port Settings window all detected parallel and serial ports should be listed If your PC has a parallel port that is the recommended option In the Properties section within the Port Input Channels section select the port to be used for triggering In this
22. eration Manual RTC VS Rev 11 Installation Procedure 5 4 10 Connect the MR trigger signal cable to the mating trigger input connection on the rear panel of the Controller The exact connector used will depend on the magnet type For example Siemens magnets typically use a fiber optic cable 5 4 11 Connect the RJ 45 connector of the supplied PC trigger cable to the PARALLEL PORT OUTPUT connector as shown above The other end of the cable may have different configurations depending on your installation If the connector is a DB 25 male connect it to the parallel port of the stimulus PC If the connector is a DB 9 female connect it to a serial port on the stimulus PC or a USB to Serial converter such as the Aten UC 232A 5 4 12 Make sure the Controller power switch is in the off position Connect the Hospital Grade Power Cord to the Controller and an available active AC power outlet 5 4 13 Power on the monitor then power on the Controller and finally power on the PC 5 4 14 Power on the Transducer Power Supply usually located in the equipment room Exact location will vary depending on installation and magnet type The logo rings on the VisuaStim Controller and Transducer should start rotating within 30 seconds of both units being powered up 5 5 PC Setup Configuration for Video Compatibility In order for the PC s video to work with the VisuaStim video goggle system the video signal must be set to a video resolution o
23. example it is LPT1 The data source should be set to interrupt only if you want to use an interrupt and select the Use interrupt check box If you do not want to or cannot use an interrupt select Status port and make sure the Use interrupt check box is cleared po Properties Device Components Type Parallel Port Device LPT Modes Data port input output Identifier LPT Status port input Address k378 Address 2 s778 Port Input Channels trigger channel Fort LET Mask Data source Status part Inversion mask 0 Use interrupt h Independent lines Add Remove Hename Test Page 24 Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 If trying to use an interrupt you may get the following error Error creating port input channel Parallel Trigger with Interrupt interrupt vector You can most likely fix this by setting the port to Use any interrupt assigned to the port with the Windows device manager If this happens go to Device Manager select the port device you are trying to use right Click and select Properties Go to the Port Settings tab and select Use any interrupt assigned to the port Click OK and exit Device Manager f ECP Printer LPT1 Pr operties E Enable legacy Plug and Play detection LPT Bot Number Page 25 Resonance Technology I nc
24. f 800x600 with a refresh rate of 60Hz 75Hz or 85Hz Any signal not meeting these specifications will not be reproduced in the video goggles Please follow the procedure for setting the video resolution and refresh rate that is appropriate for the operating system used on the stimulus PC While the VisuaStim video goggle system is designed for refresh rates of 60Hz 75Hz or 85Hz not all computer monitors are capable of producing video at refresh rates other than 60Hz Please check the specifications of your monitor prior to setting refresh rates higher than 60Hz Page 15 Resonance Technology Inc VisuaStim System I nstallation Operation Manual RTC VS Rev 11 6 Operation Below is a description of the VisuaStim control room components The Controller converts the selected audio and video source signals into optical signals that the MR Laser Link cables route to the Transducer unit inside the magnet room The Transducer unit recreates the signals and routes the audio and video signals to the audio headset and video goggles LCD Video Monitor from stimulus PC to view the selected video source The Tech Remote unit allows control of all system features Speaker for patient s voice The VisuaStim Controller unit 6 1 VisuaStim System Features e Fiber optic link cable for audio video and data voice communication between VisuaStim Controller in the control room and Transducer in t
25. gle use the Technologist Remote to turn off the power to the video goggle at night or when not in use Note that if the system is not used for 2 hours it will hibernate and you may have to press the Tech Remote TALK button to wake up the system 2 6 Labeling Used to I ndicate Device Safety Type BF Applied Part 4 Devices that have conductive contact with the patient or have applied parts that are fixed in medium or long term contact with the patient MR Safe Device Device considered safe for use anywhere inside the magnet room MR Conditionally Safe Device Device considered safe in the MR room under certain conditions MR Unsafe Device Device considered unsafe for use in the MR room These items should not be taken inside the MR room due to being a projectile hazard in the magnetic field MR 6 Page A Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 2 Safety I nformation 2 7 Medical Device Safety Approvals The VisuaStim System has the following safety certifications Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 Installation Materials 3 Installation Materials Your VisuaStim system comes complete with all the necessary components to complete the system installation at your facility The following checklists are provided for materials verification purposes 3 1 Control Room Components RTC 330
26. he magnet room e Dual DVI and VGA video inputs to connect two PC video sources one dual head graphics card or two separate PC s e Speaker system with subwoofer to hear the selected PC audio source e Technologist Remote Control with a highly visible display to select all system features e Built in patient intercom consisting of built in microphone in Technologist Remote Control and speaker to hear patient s voice e Patient stereo headset with communication microphone and patient controlled alert button e Digital video goggles for patient to view video images Image presented to patient is the equivalent to viewing a 62 inch screen at a distance of 5 feet giving the impression of being in a private movie theater e Ability to control individual video routing of the two video inputs to each eye of the video goggles When used with stereoscopic video sources video goggle can show 3D images e Simple patient setup to prevent downtime Page 16 Resonance Technology Inc VisuaStim System Installation Operation Manual RTC VS Rev 11 6 2 Front Panel Controls and I ndicators 6 2 1 Buttons A System Power Controls the power supplied to the VisuaStim Controller and Transducer B Monitor Input Select Controls which video input is displayed on the monitor Options are RIGHT LEFT and OFF 6 2 2 Indicators 1 RTC Logo status indicator The center portion of the logo it lit white when system power is enabled The o
27. igger Test window click the Go button in the Quick Monitor section Start your MRI scanner If everything is working correctly there should be an incrementing scan number Click Stop and then Close to conclude the test ea CC lc ll Quick Monitor during this time se el See Note parallel port interrupt polarity and scope tests can be accessed from the Advanced panel Once the proper connections are made and software correctly configured the scanner generated sync pulses will be routed to the stimulus software via the VisuaStim trigger inputs and outputs and the proper synchronization between the scanner and software will be achieved 6 7 Cleaning For cleaning and disinfecting purposes Resonance Technology Inc recommends using alcohol free non flammable and non corrosive cleaning wipes such as SaniZide Plus wipes on the video goggles mask and audio headset components Daily cleaning of these items is recommended Page 27 Resonance Technology Inc VisuaStim System I nstallation Operation Manual RTC VS Rev 11 Specifications 7 Specifications 7 1 VisuaStim Controller 7 1 1 Physical Characteristics Dimensions 17 0 x 3 7 x 8 0 432mm x 93mm x 203mm Weight 6 2 Ibs 2 8kg 7 1 2 Power Input Power Input 100 240 VAC 50 60 Hz 2 5A Max 7 1 3 A V Interfaces Video Inputs 2 VGA 2 DVI D Audio Inputs 2 3 5mm mini stereo jacks Video Outputs VGA DVI D Audio O
28. l room through the overhead ceiling drop tiles and down into the computer room in front of the filter panel through the Fiber Optics Waveguide It can then be run alongside the other MRI cables going to the magnet The cable should end where you intend to locate the transducer Note Care must be taken to ensure the cable is not bent in radius of less than 15cm 6 inches or damage to the optical fibers will occur MR Laser Link Cable MR Laser Link Cable r215cm V r lt 15cm Q The routing of the transducer power cables will vary somewhat depending on the facility layout and the magnet type For most facilities and magnets the typical procedure would be as follows 5 1 1 Determine the length of cable needed from the location of the transducer to the penetration panel If the run needed is longer than 3 meters 10 feet then use the 15 meter 45 foot transducer power cable in the magnet room The 3 meter cable will then be used in the computer equipment room 5 1 2 If there is a blank filter plate on the penetration panel and a matching panel with DB 9 cut out has been provided install the DB 9 low pass filter such that the transducer power cables will mate with the filter on both sides If the filter was pre installed you will need to inspect the orientation to ensure the cables will mate In some cases it may be necessary to remove the filter and re install it in the opposite direction Remove the blank filter plate and install the new
29. le cover over these connections making sure not to pinch any of the cables under the screw posts 5 2 7 Connect audio headset and video goggle to transducer Each latching connector should click on both sides when fully seated If the headset connection is equipped with a DB 9 connector make sure the screws on the sides of the connector are secure fe 5 2 8 Carefully install the upper cable cover making sure to align all cables with their respective exit notches in the housing and making sure no cables are pinched while installing the cover 5 3 Equipment Room Component I nterconnection 5 3 1 Place the Transducer power supply into the location chosen in Step 5 1 4 This location must be outside of the 20 Gauss line for the switching power supply and 200 Gauss line for the linear power supply 5 3 2 Connect the round transducer power cable connector to the power supply Make sure the ring on the connector is secure 5 3 3 Make sure the power supply s switch is set to the OFF position Connect a hospital grade AC power cable to the AC inlet connector and to an available AC outlet in the computer equipment room Page 12 Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 Installation Procedure 5 4 Control Room Component I nterconnection The photo below depicts a typical control room setup Video Monitor Remote Interface Box Tech
30. nologist Remote Control a snruvavavnnnnnannunnnnnnunnnnvavnunnvavnunnvannunnnavavnnnavavnnnnvannnnnnavavnnvnvannnvnvann 19 6 4 Performing Data Integrity Tests on the Magnet uravavannnnnnnnnnnnnnununnnnvnunnnavnunnvavavnnnnvavnunnvavavnuenne 21 G3 o EE aE 21 Ode DENN ren 21 052 AUO SOU 9 o X 21 6 5 3 e e SETUP 22 Resonance Technology Inc VisuaStim System I nstallation Operation Manual RTC VS Rev 11 Table of Contents 6 5 4 Displaying3DVideoontheGoggles ea 22 6 6 MR Trigger Synchronization Setup sraxsnvavaunnnnnnununnnnnnunnnannunnnavnvnnnnnavnnnnvavnvnnnavannvnnvavavnnvavavnnvnvnn 24 Gre rec 27 Tix SBOCIIICOUlODS Va 20 TE ST SE og go UE E 28 7 1 1 Physical Characteristics LaaJeesevorseeeskerm eee 28 TFT PT c 28 713 FV VC ACCS TI IU m uT 28 7 1 4 Trigger Interfaces e 28 7 2 Remote Interface Patient ntercom Speaker 1e eere eroe eee KEREN KEE RA RA nana 28 7 2 1 Physical Characteristics sirenlerin tie qua amk imi CU i e ln insu aaa 28 7 3 Technologist Remote CODO TT 28 7 3 1 PhysicalCharacteristics nennen ne nnus nenne sen nennen sene nnns 28 OE TE ar Ta EE EM 29 7 4 1 PhysicalCharacteristics
31. ound Volume Avoid using audio headset with high volume for the patient as hearing expert s advice against continuous loud and extended audio play If the patient experiences a ringing in their ears reduce the audio headset volume The patient is advised to consult their health doctor for further advice 2 3 Use Restrictions Shelf Life and System Maintenance Service Schedule The CinemaVision System comes with a one year original manufacturer warranty and a shelf life of two years from the date of installation Optional extended warranty may be purchased for this system With patient safety in mind Resonance Technology Inc recommends periodic maintenance service for this CinemaVision System every six months after the one year original warranty period Restrictions on Using Non Resonance Technology Inc Components with the VisuaStim system The original manufacturer s warranty will be voided if any non Resonance Technology Inc Power Supply is used to provide power the VisuaStim Transducer The original manufacturer s warranty will be voided if other non Resonance Technology Inc approved components are connected to the VisuaStim system In addition Resonance Technology Inc cannot be held responsible or liable for any unauthorized use of this equipment If you have any questions about how to operate this system please read this user manual or call Resonance Technology Inc customer service at 818 882 1997 or email support mrivideo
32. the microphone Scrolling the wheel up while pressing down on the Menu wheel 4 un mutes the microphone Previous volume setting is resumed Wheel 3 Controls the system audio level Scrolling the wheel up increases the control room volume Scrolling the wheel down decreases the control room volume Scrolling the wheel down while pressing down on the Menu wheel 4 mutes the control room speakers Scrolling the wheel up while pressing down on the Menu wheel 4 un mutes the control room speakers Previous volume setting is resumed Wheel 4 Controls the system settings Clicking the wheel enters the system menu Scrolling the wheel up or down rotates through the system functions To select a desired menu function press down on the wheel To select sub menu functions scroll the wheel up down and press down again Technologist Remote Control with built in microphone volume adjustment Push and hold the talk button then scroll up or down the adjustment wheel 1 This adjustment is to change the tech remote built in microphone volume that the patient will hear during the two way channel communication Page 19 Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 Operation The Tech Remote Control system functions are as follows Visor L Brightness Bar Graph Adjusts left eye brightness of video goggle Visor R Brightness Bar Graph Adjusts right eye brightness of video goggle
33. ual RTC VS Rev 11 6 5 3 Video Setup Using the Tech Remote Control select the video source MONO R MONO L STEREO R STEREO L 3D R 3D L for the patient and the audio source AUDIO 1 AUDIO 2 for both the patient and operator Use the Monitor Input button on the Controller s front panel to select the video source for the operator The following table shows the video input routing to the video goggle for each video mode MONOL MONO R STEREO STEREO R 3D L 3D R Left eye Left Input Right Input Right Input Left Input Right frame A Right frame B Right eye Left Input Right Input Left Input Right Input Right frame B Right frame A 6 5 4 Displaying 3D Video on the Goggles To construct a 3D image in the goggles the stimulus PC must have a dual head graphics card Each of the two outputs on the graphics card must output the image for each eye The video mode of the VisuaStim system should then be set to STEREO R or STEREO L Please refer to the previous step regarding video setup If the stimulus PC is capable of generating a frame sequential 3D signal then 3D R or 3D L may be used without the dual head requirement 3D in this context refers to frame sequential 3D signaling which requires a special graphics driver on the PC At the time of this printing no known current drivers exist to provide this functionality These modes provide compatibility for nVidia Windows XP stereo
34. ures or this manual Resonance Technology Inc technical support staff may be reached Monday through Friday 8 a m to 5 p m Pacific Standard Time at 818 882 1997 or by email at support mrivideo com Resonance Technology Inc VisuaStim System Installation Operation Manual RTC VS Rev 11 2 Safety I nformation 2 5 General Warnings for Electronic Products Electric shock Failure to observe all operating and maintenance instructions may cause damage to this product and may result in property damage and or injury or death from electric shock fire or other cause Do not disassemble this product Only Resonance Technology Inc trained and authorized personnel should perform all required service for this product Failure to comply with this warning may result in property damage injury and or death from electric shock fire or other cause Avoid exposing this product to extreme environments This product may be damaged by high temperatures direct sunlight exposure by dropping this product or by other mechanical shock Do not expose this product to rain or excessive moisture Avoid these conditions as the video goggle lenses may become damaged and may result in eye fatigue to the patient Unplug this product when not in use for long periods of time Always unplug this product when not in use for extended periods of time or during MRI maintenance Leave connected if used daily In addition to prolong the life of the video gog
35. uter ring contains colored lights which rotate in sequence when all system status is OK Lack of the colored rotating ring indicates that a part of the system is not functioning due to being disabled or some sort of system problem 2 Trigger status Indicator State Description Off No trigger signal present on BNC trigger input Trigger signal present on BNC trigger input Flashing Trigger signal present and active via Start Stop control No trigger signal present on fiber optic trigger input SYSTEM On Trigger signal present on fiber optic trigger input Flashing Trigger signal present and active via Start Stop control He On VGA VSYNC trigger enabled Off Controller and Transducer are in shutdown state POWER On Controller and Transducer are in fully powered up state 3 System status Indicator State Description Off Transducer turned off or lost communication link ADEN Communication link with Transducer is established Technologist Remote Control not connected or lost communication link Technologist Remote Control is connected and communication is established Page 17 Resonance Technology Inc VisuaStim System Installation Operation Manual RTC VS Rev 11 REMOTE 4 RGB Input Status Indicator Off Description No video sources are present MONO On Off At least one video source is present Two video sources are not present Stereoscopic display not possible STERE
36. utputs Control room Out and Patient Voice Record Out via 3 5mm mini stereo jacks 7 1 4 Trigger Interfaces Trigger Inputs RF TTL Pulse BNC and Fiber Optic Trigger Output Proprietary RJ 45 connection using Resonance Technology parallel or serial trigger cable for PC Pin Type Function Signal Specifications 1 8 Output RF Trigger Out Trigger pulse output at 3 3 Volts pulse H Output Fiber Optic Trigger Out width is 1 2 4 or 8 ms based on 3 Output VGA A Vertical Sync Trigger Out Setting selected in Tech Remote 2 5 5 0 Volts Blanking ON l 0 0 8 Volts Blanking OFF 5 Input Left Eye Blanking Input No Connection Blanking OFF ER Output VGA B Vertical Sync Trigger Out See Pins 1 3 above 5V DC D 8 Ground Signal Return Ground For best results please use the Parallel Port Trigger Cable part number RTC 101 VST 003 001 This cable contains circuitry to level shift the trigger output signals to 5 Volts for compatibility with a PC s parallel port The RF and Fiber Optic trigger signals are logical OR ed and level shifted to 5 Volts and the resulting output trigger signal is available on Pins 9 and 10 of the DB 25 parallel port connector 7 2 Remote Interface Patient Intercom Speaker 7 2 1 Physical Characteristics Dimensions 7 8 x 5 5 x 5 5 197mm x 140mm x 140mm Weight 3 1 lbs 1 4kg 7 3 Technologist Remote Control 7 3 1 Ph
37. vnuene 4 2 7 Medical Device Safety Approvals assises saxi un ERR IRA EF RR RR UMP E wd RR AED QR EQUO ERR 5 3 Installation Materials NNN NNN NNN KKK KKK KK KKK KR KR KKK KR KK KK KKK ee unn O Jd Control Room Component et edinn iin iin li ll ll ERR cil 6 3 2 Magnet Room Componens isnt saxi as Fg ERA mi FR AM CU US LUE UNES QUEE FER nA E IRE RR E RC ERR ni 6 3 3 EQUIDITICNE Room kes oe gg EM 7 3 4 EE c ULM 7 3 5 EE eet 7 4 Room Layout Overview for Installation 8 5 Installatiori reese EENEG SEP EK ES D 5 1 Installing the MR Laser Link Cable and Transducer Power Supply Cables 10 5 2 Magnet Room Component I nterconnection KREE RER EK nana uana uana naa KEREN 11 5 3 Equipment Room Component I nterconnection Le eroe eee sean nne E KEE RER KK Ken 12 5 4 Control Room Component I nterconnection Leere eres eae n EE RER KREE EE EK 13 5 5 PC Setup Configuration for Video Compatibility araxnnvavaunnnannunnnnnnnnunnnannunnnannunnvannvnnnnvavnnnnvavnne 15 6 e AON ara citer ete TC IIT LO Gel VISUASTIN System Features ssiri iaaa 16 6 2 Front Panel Controls and I ndicators a snnnvavannnnnnnnnnnannnnnnnnavnvnnnavnvnnvavnnnnnnvannvnnvavnnnnvavavnnnnvavnunnne 17 6 2 1 BUTTONS E HO 17 022 aS 17 6 3 Tech
38. ysical Characteristics Dimensions 6 2 x 4 4 x 4 6 157mm x 112mm x 116mm Weight 1 3 Ibs 0 6kg Page 28 Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 Specifications 7 4 VisuaStim Transducer 7 4 1 Physical Characteristics Dimensions 11 5 x 13 0 x 1 9 293mm x 330mm x 48mm Weight 7 0 Ibs 3 2kg 7 4 2 Electrical Characteristics Power Input Proprietary 5 pin DC power connector Pin out Pin 1 17 5 Volts nominal Pin 2 17 5 Volts nominal Pin 3 DC ground Pin 4 8 0 Volts nominal Pin 5 6 5 Volts nominal Headset connection Proprietary 4X LaneLink or DB 9 connector not user serviceable Goggle connection Proprietary 12X LaneLink connector not user serviceable 7 5 Video Goggle 7 5 1 Physical Characteristics Dimensions 4 7 x 2 4 x 1 3 118mm x 60mm x 32mm 7 5 2 Display Characteristics Resolution 800x600 SVGA Refresh Rate 60Hz 75Hz or 85Hz selectable Field of View 30 Horizontal x 24 Vertical White Luminance 70cd m max 60Hz White Chromacity x 0 30 0 03 y 0 34 0 03 Gray Levels Up to 256 per primary color Contrast Ratio 100 1 intrinsic measured per VESA FPDM Standard Uniformity gt 85 as per VESA FPDM Standard Operating Temperature 40 to 85 C Storage Temperature 51 to 90 C 7 6 Audio Headset 7 6 1 Acoustical Characteristics SPL 104dB nominal Frequency Response 100Hz
39. ystem Use of this product by such individuals may cause spasms unconsciousness or seizures If the patient experiences such symptoms stop using the product immediately and instruct the patient to consult their doctor Sickness Headache Nausea If during use the patient experiences any of the following symptoms stop using this product immediately and rest These symptoms may indicate misuse or overuse of the product or that you should not use the product for health reasons If the following symptoms persist after rest consult your doctor e Sore eyes eye fatigue or double vision e Headache e Inability to focus on the screen e Stiff or sore shoulders or neck For patient safety the patient video goggles turn off automatically after six hours of continuous use Read this user manual for instructions on how to reset the video goggles to continue viewing video images Motion Sickness from using the Video Goggles Some patients may experience motion sickness headache or nausea from viewing visual paradigms or video programs especially those with intense action and movement If the patient experiences any of these symptoms stop using the product immediately To avoid personal injury or injury to others do not operate a motor vehicle nor do anything that requires concentration until these symptoms disappear Resonance Technology I nc VisuaStim System Installation Operation Manual RTC VS Rev 11 2 Safety I nformation Loud S
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