TRIGNO Wireless System User's Guide
Contents
1. A B C and D These should only be changed if wireless communication is poor for the default set A Poor communication occurs if nearby sources are interfering with the operating frequencies or if there is significant path loss on the operating frequencies After changing communication frequencies all sensors must be re paired Firmware Version Delsys may occasionally release firmware upgrades to improve and evolve the functionality of Trigno Systems The current firmware version is shown here Serial Number Each Trigno Base Station has a unique serial number and identifier address which is shown here Network Size Indicates the number of sensors supported by this base 15 Launch Test Panel Places the Trigno Base Station in a test mode for verifying the analog output connections Each of the 64 analog output channels is configured to produce a unique sinusoid which can be verified by properly sampling these channels with a third party data acquisition system Refer to the Using Analog Outputs section of this guide Refresh el This button refreshes the status information Copy C Copies the data the in the Information tab to the clipboard 16 Trigno Wireless System User s Guide Trigno System Settings The Settings tab in the Trigno Configuration window allows several system parameters to be modified as needed A D settings Base 1 Information Setti2. Refer to the Acquiring and Plotting Data video tutorial provided on the DVD for a brief introduction to configuring the EMGworks software with the Trigno system When editing a configuration in EMGworks the hardware options for the base station can be set in the Hardware node of the Configuration Tree after selecting the Trigno as the primary A D device for that configuration When using the Trigno Analog Output application these options can be set by clicking the Configure button J People i CN Hardware AN Tigro Wireless System a Th Cherie T La E e 3 3 Expaniment War kila Desegcd Sampie Piste IUO E e E o J Figure 7 Selecting the Trigno system as the primary A D device in the Hardware node of the Configuration Tree 14 Trigno Wireless System User s Guide Trigno System Information The Information tab in the window relays data pertaining the to system settings Settings Base 1 Information e General Settings Transmission Frequencies Set A Information Firmware MAXXXX BEA NNN DN SSMN GK DAN SSMN Serial WO2 XXXX BID KXXX Network Size 16 Sensor Launch Test Panel Figure 8 Trigno Wireless System information If multiple bases are connected the settings for each base are shown on a separate top level tab Transmission Frequencies Wireless communication occurs on varieties of frequencies throughout the acceptable 2 4 GHz spectrum Four frequency sets are available
3. DELSYS Trigno Wireless System User s Guide Delsys Inc P O Box 15734 Boston MA 02215 phone 617 236 0599 fax 617 236 0549 email delsys delsys com web www delsys com TRIOGNO Wireless System User s Guide October 2010 Edition DM WO Copyright 2010 by Delsys Incorporated Specifications and procedures outlined in this document are subject to change without notice Delsys Logo EMGworks and Myomonitor are Registered Trademarks of Delsys Incorporated MAN 012 2 0 Table of Contents Table Of Contents ccccccccceccsesececeeeeeeseeeeeessaeeseeessaeeeessaaaeess 1 Important Information ccccceeeeeeeeeeeeceeeeeeeeeeeseeeeessaeeeeseeeeesaees 3 Intended Uee ee 3 Contraindications EE 3 Technical Service and Gupport 3 Warnings and Precautions cccccccccssseeceeeeeeeeeeeeaeeeeeneaees 4 Device Information ccccccsececeeeeeeeeeeeeeeeeeeeueeeeeseeeeeeaeeeeens 5 Ke lun EE 7 Limited Warranty cceccccccseeeceeeaeeseeeseeeeeeeeseaeeeeesaeeeessaaaeess 7 System Heourements 7 TrignoTM Wireless EMG System Overview asesseseeenrseenennn 8 Wireless EMG Gensor 8 Sensor LED Indicator Status ccccccseeeeeeeeseeeeeeeeees 9 Base SAMO Lu EE 9 Power Supply cccccsseececceeeeeecceeeseeecaaeceeseeaeeeesseaeeessaaeees 10 Getting Started with the TrignoTM Gvsiem 11 Powering the Base Giaion 11 Connecting the Base Station ccccecccc
4. Violet Orange Blue Orange Orange Blue Orange Violet e Green Orange Yellow Orange Orange Yellow 3 6 6 2 3 6 6 2 2 5 2 2 5 5 2 2 Orange Green Gray Pink Violet Pink Pink Violet Pink Gray Blue Pink Green Pink Pink Green Pink Blue Yellow Pink Orange Pink Pink Orange Pink Yellow Gray Brown Violet Brown Brown Violet Brown Gray Trigno Output AY 9 AZ9 EMG 10 AX 10 AY 10 AZ 10 EMG 11 AX 11 AY 11 AZ 11 EMG 12 AX 12 AY 12 AZ 12 EMG 13 AX 13 AY 13 AZ 13 EMG 14 AX 14 AY 14 AZ 14 EMG 15 Conductor Color Pin Primary Secondary Tan Violet Tan Gray Blue Tan Green Tan Tan Green Tan Blue Yellow Tan Orange Tan Tan Orange Tan Yellow Pink Tan Brown Tan Tan Brown Tan Pink Violet White Blue White White Blue 8 White Violet Green White Yellow White White Yellow e White Green Orange White Figure 26 DC A22 Conductor Assignments 38 Trigno Wireless System User s Guide
5. hardware The full dialog is displayed by double slicking this icon Figure 10 The Trigno Sensor Status Console offers real time sensor feedback A data acquisition status B battery charge state C sensor number D sensor power E wireless signal strength F sensor pairing G off command 18 Trigno Wireless System User s Guide Using the Wireless EMG Sensors Orienting the EMG Sensors on the Skin Trigno EMG Sensors are fitted with 4 silver bar contacts for detecting the EMG signal at the skin surface It is crucial that the orientation of these bars be perpendicular to the muscle fibers for maximum signal detection The top of the sensor is shaped with an arrow to aid in the determination of this orientation The arrow should be placed parallel to the muscle fibers underneath the sensor The sensor should also be placed in the center of the muscle belly away from tendons and the edge of the muscle The sensor is easily attached to the skin using the Delsys Adhesive Sensor Interface Muscle fiber direction Figure 11 EMG Sensors must be properly oriented with the muscle fibers Align the sensor s arrow with the direction of the underlying muscle fibers Cleaning the Sensor Site Prior to affixing the EMG sensor on the surface of the skin the sensor site must be properly cleaned to remove dry dermis and any skin oils Wiping the skin prior to sensor application is critical If excessive hair is present it
6. ired operation Changes not expressly approved by Delsys Inc could void the User s authority to operate the equipment To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radi ated power EIRP is not more than that required for successful com munication This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment gen erates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful inter ference to radio communications There is no guarantee that interfer ence will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encour aged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into outlet on a separate circuit Trigno Wireless System User s Guide Disclaimer DELSYS INC makes no warranties express or implied as to the quality and performance o
7. AZ 16 EMG 16 DGND AY 16 AX 16 D GND Te 1 64 EP EMG 1 16 Figure 18 Pinouts of the Analog Output connectors Screw Terminal Connections Many data acquisition systems are equipped with screw type wire terminations In these cases Delsys can supply a cable assembly that mates with the Trigno Analog Output connectors and breaks out the individual channels onto single conductors Please contact Delsys for details regarding this particular wire assembly or other connectivity needs Please refer to Appendix II for further details regarding the DC A22 Unterminated Output Cable Figure 19 DC A22 Unterminated Output Cable 25 Analog Output Software Included with the Delsys software package is the Trigno Analog Output software which operates on a PC independently from EMGworks Data Acquisition and Analysis software The Trigno Analog Output Software is designed to configure and control the Trigno System so that it becomes a full analog instrument In this scenario all data acquisition is performed by sampling the analog channels with 3rd party acquisition systems often used with Motion Capture Systems The Trigno Analog Output application must remain running on the PC for the analog outputs to remain active The wireless sensor configuration window is accessible from the configure button Start and Stop controls activate and deactivate the analog outputs and define the Start and Stop output trigger event
8. data Operation Time is expected to decrease as a function of charge cycles and when the sensor is searching for a network 3 80 of original battery capacity is maintained after 300 discharge recharge cycles This value represents a typical expectation under ideal conditions Actual performance will vary depending on usage conditions 4 Operation beyond these temperature limits may damage the rechargeable battery 33 EMG SENSOR SPECIFICATIONS Resolution EMG Signal 168 nV bit 20 5 Hz gt 40 dB dec Bandwidth EMG Signal 450 50 Hz gt 80 dB dec Overall Channel Noise lt 0 75uV CMRR gt 80 dB 2000 samples sec 5 Sampling Rate 4000 samples sec Contact Material 99 9 Silver 1 Range is specified for the input of the EMG sensor and is samples with 16 bits 2 Resolution is specified for the input of the sensor 3 Filter is designed as a maximally flat Butterworth to preserve EMG signal amplitude and phase linearity 4 Input referred noise is calculated as a root mean square over a 5 second window sampled at 2kHz 5 EMG signal sampling rates are intrinsic to the sensor and cannot be changed beyond the two stated rates which are software selectable 6 Sensor skin contacts are made from pure silver and should not be used if allergic reactions to silver are expected or found to occur ACCELEROMETER SPECIFICATIONS jb 1 5g 0 016 0 001 g bit 2 meson 0 063 0 005 g bit Bandwidth DC
9. shutoff Inertial Sensing Axes EMG Electrodes Figure 1 Trigno wireless 4 channel sensor 8 Trigno Wireless System User s Guide Sensor LED Indicator Status LED Behavior _Satus CLED Behavior Daa Sieaning Femme sD Sam Aerating grenfanberfash Hz O O Parna Success Rapid green Tasting x buton dres ss Paring Unsuccessiul Fe red Tasting 3x buton depressed OQ SEET REECH Batey Charging Sdan E Charging Compe Soenna LS Charging Enor LED ofi sensorn cradle rade poweredup O Srs WI Base Station Figure 2 Trigno Base Station Wireless Sensor Analog Output Connectors Base Station Trigger Port USB Port Antenna Power Jack Power Supply EMGworks Software Each Base Station is equipped with the following features recharging cradle for 16 sensors high speed USB communication with PC 64 channel analog output connector 16 EMG 48 ACC 5V analog output range detachable antenna full trigger capability Start Stop Input Output communication amp power feedback LEDs convenient carry case design Power Supply gt gt Trigno Systems are equipped with an isolated medical grade power supply The green power LED on the base station will illuminate when power is connected to the Base Station The power supply is provided with interchangeable country specific plug adapters The power supply can be conveniently stored in the Base Station stor age space when the syste
10. the Trigno System on discrete wires for data acquisition systems with screw type terminations The DC A22 cable connects directly to the output connector labeled 1 64 0n the Trigno System and terminates in 67 signal conductors with pre stripped ends 64 analog output signals and 3 GND conductors Each conductor employs a unique color scheme to identify its signal The conductor jacket is the primary color and it is marked with a secondary color An example of the coloring scheme is shown in Figure 25 below ie White Black Black White Figure 25 Wire color scheme example Refer to Figure 26 for installing the DC A22 cable Please observe the following points e Connect the GND wires to the data acquisition system ground for analog inputs It is recommended to twist all three wires together and connect these to a common ground point on the measurement system to avoide the risk of creating ground loops e Ensure that any unused conductors are not exposed and will not come into contact with each other or any other signal or voltage potential This can be done by clipping the bare ends of the conductors or using heat shrink tubing or electrical tape to enclose the bare ends 37 DC A22 Conductor Assignments Trigno Output EMG 1 AX 1 AY 1 AZ 1 EMG 2 AX 2 AY 2 AZ 2 EMG 3 AX 3 AY 3 AZ3 EMG 4 AX 4 AY 4 AZ 4 EMG 5 AX 5 AY 5 AZ5 EMG 6 AX 6 AY 6 AZ6 Conductor Color Pin Primary Secondary e
11. to reflect the presence of additional sensors Figure 24 The Status Console when tandem bases are used 30 Trigno Wireless System User s Guide Maintenance and Care Trigno Sensors Trigno sensor are encased in a sealed polycarbonate enclosure The following points should be kept in mind when handling the Sensors e All sensors should be visually inspected before each use to ensure that no mechanical deterioration has occurred e The sensors can be cleaned and sterilized with a damp cloth and mild detergent or with 70 isopropyl alcohol swabs Ensure that the sensor contacts remain clean at all times for proper operation e While the sensors are sealed and are water resistant these should never be completely submerged in any liquid They are design to be used on damp skin surfaces and in the presence of sweat without compromise to safety sensor integrity or opera tion e The sensor contacts are made of pure silver and are quite soft Care should be taken to preserve the integrity of these contacts Do not scrape or dent these contacts e Handle the sensors with care do not drop them on the ground or step on them A Do not submerge the sensors in any liquid under any circumstance The sensors contain sensitive electronic circuitry Static discharges and intense magnetic fields should be avoided to prevent the risk of irreparable damage to the sensors Trigno Base Station The Trigno System i
12. will also be necessary to shave the site In cases where the skin is excessively dry it may be useful to dislodge dry skin cells by dabbing the site with medical tape The dry cells will attach the tape s adhesive when it is removed Be sure to wipe with isopropyl alcohol to remove any adhesive residue that may remain Applying the Trigno Adhesive Skin Interfaces Trigno System are supplied with specially designed adhesive interfaces to simplify sensor attachment These hypo allergenic interfaces are manufactured from medical grade adhesive approved for dermatological applications Usage of the interface promotes a 19 high quality electrical connection between the sensor bars and the skin minimizing motion artifacts and the ill effects of line interference To ensure a strong bond with the skin it is advised to remove excessive hair and wipe the skin area and the EMG Sensor with isopropyl alcohol to remove oils and surface residues Allow the skin to dry completely before applying the interfaces Adhesive Sensor Interfaces are for single use only Immediately discontinue use if skin irritation or discomfort occurs All Adhesive Sensor Interfaces and Reference Electrodes are for single use only Discard after using Reseal storage bag to maintain freshness Sensor Pairing Trigno sensors communicate with a custom wireless protocol that links each sensor to a unique Base Station This linking process is known as sensor p
13. 50 5 Hz 20dB dec Sampling Rate 148 1 296 3 samples sec 1 Accelerometer range is software selectable 2 Accelerometer output is sampled with 8 bits over full range 2g 7g Readings exceeding the nominal range of 1 5g and 6g may be non linear and are not guaranteed 3 Offset errors can nulled in software by using a calibration routine that references the normal gravitation force 4 Accelerometer sampling rates are intrinsic to the sensor and cannot be changed beyond the two stated rates which are software selectable 34 Trigno Wireless System User s Guide Trigno Recharging Base Station GENERAL SPECIFICATIONS Transmission Source Maximum number of Sensors 1 Range is characterized in normal office environments Interfering RF sources in the 2 4GHz spectrum as well as absorptive objects occluding the RF communication path may degrade transmission distance Stated range can be exceeded under favorable RF conditions Signal group delay Effective EMG Signal Gain Accelerometer Signal Range Nominal Accelerometer Signal 2 42 V g 1 5g range Gain 0 62 Vig 6 g range Channel Offset 100 mV max Baseline Noise 0 5mV RMS Passband Ripple lt 2 with Sin X X correction Connector Type SCSI 68 Type Il 1 Delay from sensor event to analog output is fixed for all channels and referenced as a group delay 2 This parameter relates the detected voltage input at the sensor to
14. ZAUOM areant sa a Reeg 29 User interlace ee EE 30 Maintenance and Care 31 Trigno SENSO EE 31 Trigno BASE StatiON EE 31 Segel e le 33 Trigno Bn Ee 33 Trigno Recharging Base Gtaton 35 PADD CNG EE 36 Mams Ee E e EE 36 Appena EE 37 DC A22 Unterminated Output Cable eeeeeeeeees 37 Ia re E 37 DC A22 Conductor Assignments n eneoenneaeneennenennnennnn 38 Important Information Intended Use The Trigno Wireless EMG Systems are designed for research investigational and scholarship purposes only Delsys products are not intended for measurement purposes or for use in the treatment and diagnosis of humans Rx ONLY Contraindications DO NOT USE on Patients with implanted electronic devices of any kind including cardiac pace makers or similar assistive devices elec tronic infusion pumps and implanted stimulators DO NOT USE on irritated skin or open wounds gt gt gt DO NOT USE on Patients with allergies to Silver Technical Service and Support For information and assistance visit our web site at www delsys com Contact us at E mail support delsys com tel 617 236 0599 Warnings and Precautions gt iy 8 i W o E PPP PRi ai Consult all accompanying documents for precautionary statements and other important information Consult accompanying user s guide for detailed instructions Keep the device dry The presence of liquids may compromise th
15. airing and is initiated through the Pair command 1 Initiate sensor pairing in software When using EMGworks initiate pairing by right clicking the Trigno hardware icon in the system notification area and selecting the appropriate menu item Pair sensor 2 Pair seni Pair sensor 13 Pair sensor 14 Ty ae el i JE Pair sensor 15 Pair sensor 16 Reset Base Turn Off All Sensors Show Status Figure 12 Location of the Trigno hardware icon in the system notification area and the pairing menu item 20 Trigno Wireless System User s Guide When using Trigno Analog Output click the Pair button on the Sensor Status Console Figure 13 Pair button in the Sensor Status Console 2 Complete the pairing process by depressing the desired sensor button for a minimum of 3 seconds Successful pairing will result in 3 green LED flashes on the sensor and a confirma tional message in the software 3 Sec Figure 14 Complete the process by depressing the sensor button for 3 sec Trigno systems are shipped with all sensors appropriately paired Sensor pairing is typically needed if sensors are being replaced within the network group when the communication frequency sets are changed and after a firmware upgrade is performed Sensor Factory Calibration The system stores calibration information for sensors which have been paired with it When collect
16. e e Users of Windows 7 and Vista can simply ensure that they have a Windows Experience Index of 4 0 or greater Trigno Wireless EMG System Overview The Trigno Wireless EMG System is a high performing device unparalleled in its sophistication its reliability and its ease of use Each EMG sensor has a built in triaxial accelerometer a guaranteed transmission range of 40 m and a rechargeable battery lasting a minimum of 7 hours The system is capable of streaming data to EMGworks Acquisition and Analysis software and of generating 16 EMG and 48 accelerometer analog channels for integration with motion capture and other 3rd party data acquisition systems Full triggering features further expand the possibility for integration with additional measurement technologies Wireless EMG Sensor Each Trigno Sensor is equipped with the following features transmission range of 40m inter sensor latency lt 500us lt 1 sample period self contained rechargeable battery EMG signal bandwidth 20 450 Hz EMG signal sampling rate up to 4000 samples sec EMG baseline noise of lt 750 nV RMS CMRR gt 80dB 16 bit EMG signal resolution integrated triaxial accelerometer software selectable accelerometer sensitivity of 1 5g or 6g LED User feedback battery charge monitoring and status indicator environmentally sealed device proven parallel bar electrode technology contoured sensor skin interface for maximum signal stability auto
17. e safety features of the device Handle with care Sensitive electronic device Avoid static discharges Do not operate or store near strong electrostatic electromagnetic magnetic or radioac tive fields Interference from external sources may decrease the signal to noise ratio or result in corrupted data Connect only to Delsys approved devices Connecting a patient to high frequency surgical equipment while using Delsys EMG systems may result in burns at the site of the EMG sensor contacts Immediately discontinue device use if skin irritation or discomfort occurs Immediately discontinue device use if a change in the device s perfor mance is noted Contact Delsys technical support for assistance Delsys Inc guarantees the safety reliability and performance of the equipment only if assembly modifications and repairs are carried out by authorized technicians the electrical installation complies with the appropriate requirements and the equipment is used in accordance with the instructions for use Device contains a Lithium Polymer battery Do not damage crush burn freeze or otherwise mishandle the device Recharge only with the approved power supply and recharger Trigno Systems should be stored and operated between 5 and 50 degrees Celsius due to the presence of an internal Lithium Polymer rechargeable cell Storing or operating the device and consequently the cell outside of this temperature range may compromise
18. e calibrated according to their selected operational range 1 5g 6g Note that these signals exhibit a fixed 48ms delay from the time the sensor detects the event to the time the analog signal is reproduced Figure 17 Analog Output connections Analog Output Connectors Es gt Channels 1 16 EMG Signals The pinout of this connector replicates the pinout of the Bagnoli desktop EMG systems to facilitate connectivity between shared equipment Only EMG signals are provided on this connector Note that this pinout is also compatible to that of National Instruments data acquisition modules Channels 1 64 all Signals This connector makes available all 64 analog output channels in the 68 pin connector This connector is compatible with some 80 channel data acquisition modules from National Instruments 24 Trigno Wireless System User s Guide AZ 4 EMG 1 EMG a EMG 1 AY 1 AN EMG 2 GND AZ 2 EMG 2 GND EMG 10 AY AM 2 EMG 11 EMG 3 Az 3 EMG 3 EMG 4 GND AY A Ax 4 GND EMG 12 Az a EMG 4 EMG 5 AY 4 Axa GND EMG 13 Az 5 EMG 5 EMG 14 EMG 6 ATS AX S EMG7 GND Az 6 EMG 6 GND EMG 15 AY 6 AX 6 EMG 16 EMG 8 A GND GND AZT EMG 7 AYT AXT Az 4a EMG a D GND AYB AXE D GND Azo EMG AY AX a DGND Az 10 EMG 10 D GND AY 10 AR 10 AZ ii EMG 11 D GND AY 11 AX 11 D GND Az iz EMG 12 AY 1z AM 12 D GND A GHO A GND D GND Az 13 EMG 13 AY 123 AN 43 D GND Ag 14 EMG i4 AY 14 AK 14 AZ 15 EMG 15 D GND AY 15 AM 15
19. f this is not done the Found New Hardware dialog will appear and Windows will prompt for a driver location Cancel this dialog and install EMG works from the Delsys DVD in order to register the Trigno drivers with the operating system Once the software is correctly installed the PC will automatically detect the Trigno Base Station when it is connected to the USB port Charging the Sensors Before using the system the sensors should be fully charged by placing them in the Base Station cradle slots Ensure the Base Sta tion is powered and that the green power LED is illuminated When charging the sensor LEDs will illuminate to an amber color Once the sensor battery is fully charged the sensor LED will turn 11 green A blinking LED indicates an incomplete charge Remove the sensor from the device and let it stand for 5 minutes Cycle power on the Base Station and re dock the sensor to restart the charge cycle A complete charge cycle from a fully depleted sensor takes approximately 2 5 hours Do not force the sensors into the recharging cradles of the Base Station The sensors are keyed so that they can only be inserted in one orientation Check the sensor orientation and check for obstructions in the cradle if physical resistance is met while cradling the sensors Recharge only with the approved power supply SC P05 originally included with the system Charging with any other power supply may damage the device and wi
20. f this product including but not limited to any implied warranty of applicability for other than research uses by qualified individuals DELSYS INC shall not be liable to any person for any medical expenses or any direct or consequential damages resulting from any defect failure or malfunction whether a claim for such damages is based upon theory of warranty con tract tort or otherwise No representative agent or licensed practi tioner is authorized to waive this disclaimer DELSYS INC makes no diagnosis or prescription by virtue of anything about this prod uct Limited Warranty The Trigno Wireless EMG Systems are warranted against failure of materials and workmanship for a period of 1 year from the date of delivery provided that the product is given proper care and has not been subject to abuse during this period This warranty is in lieu of all other warranties expressed or implied Operation of this device outside specifications determined by DELSYS INC or use with any other input devices other than DELSYS INC sensors constitute an invalidation of this limited warranty This warranty is not transferable System Requirements e EMGworks 4 0 2 or later e Windows 7 32 bit operating systems only Alternate OS Windows Vista or Windows XP with service pack 3 e One USB 2 0 port e At least 2 0 GHz processor clock speed e At least 2 GB system memory e 1280x1024 SXGA display resolution or better e 1 GB hard disk storag
21. ing data with EMGworks this calibration information is used to accurately display measured values in many cases without the need for a user initiated manual calibration After a pairing operation is completed the system automatically searches for pre existing factory calibration data on the particular sensor If the sensor has never been paired with the system for example in the case of a new additional sensor the software will prompt the user to enter factory calibration data which can be obtained from Delsys Factory calibration data are a string a numbers and letters which encode the calibration values for a 21 specific sensor Factory calibrations are specific to a single sensor and will not be accepted by the software for use on another sensor At any time a nominal default calibration may be selected for a sensor or the specific factory calibration may be re entered This feature is accessed by re pairing the sensor Fes Lorri Suse ined CiHibe ib gar dete d e SEI Fere Tipe _ Eie ee ae eee Ja i ee eee Figure 15 Factory Calibration Prompt The calibration can be either auto detected or entered manually if the sensor is being paired for the first time Smart Sensors After pairing the association of sensors to the base station is retained for all future uses Any configuration in EMGworks can be made to reflect the last paired set of sensors by clicking the Refresh Smart Sensors butto
22. ll void the warranty Charge Charging Complete Figure 5 Sensor LED feedback for battery charging status 12 Trigno Wireless System User s Guide Turing the Sensors ON Trigno Sensors are turned on by depressing the rubber button for approximately one second The green LED on the sensor will immediately begin to flash and begin searching for a Base Station that has been properly paired and is within its range If no Base Station is found the LED will alternate between amber and green indicating that it does not have an established communication link As soon a link is established with the Base Station the sensor LED will flash green approximately once per second indicating that data are streaming Figure 6 Turning the Trigno Sensor ON Turning the Sensors Off There are several mechanisms for turning the Trigno sensors off described as follows e Send an off command via software e Dock the sensor in an active cradle e 5 minute time out if no base is linked e Hold sensor button for approx 20 sec 13 Configuring the Trigno System Software Installation and Configuration The Trigno EMG system is controlled by a PC via the USB port and thus requires specialized software They system is shipped with a Delsys Software DVD containing both EMGworks Signal Acqui sition and Analysis Software and the Trigno Analog Output soft ware for use with 3rd party data acquisition systems
23. m is not in use Figure 3 Trigno SC P05 International Medical Power Supply Trigno System are specifically designed and approved to function only with the Power Supply provided Power Supply substitutions constitute a violation of the medical safety approvals and will void the warranty If using a mains powered PC then an additional isolation transformer is required for medical compliance to IEC60601 1 Refer to Appendix I for further details No PC isolation is required for operation on a battery powered laptop 10 Trigno Wireless System User s Guide Getting Started with the Trigno System Powering the Base Station 12 VDC ZN Connect the Trigno power supply to the circular DC jack located on the side of the Base Station Energize the power supply by con necting it to a Mains outlet or to an isolation transformer Ensure that the PC to be used with the Base Station is connected to the same isolation transformer Please refer to Appendix I for clarifica tion on using an Isolation Transformer The power LED on the Base Station will illuminate anytime power is applied Ensure that the Base Station antenna is securely attached to the antenna con nector Figure 4 Connecting the Trigno Base Station power supply Connecting the Base Station The Trigno Base Station communicates with a PC through the USB link It is important to install the EMGworks software prior to connecting the Base Station to the PC I
24. n in the Add Sensors pane in EMGworks When data collection starts the software will verify that the sensors currently communicating match those used in the configuration If there is a mismatch cancel the recording and re pair the sensors Sensor Modes Each Trigno sensor can operate in one of 4 possible data collection modes which determines the type of data being collected When using EMGworks the sensor mode can be set on the sensor settings pane for each sensor Note that the number of modes available is determined by the Trigno sensor type Figure 16 Setting sensor modes in EMGworks Data Collection Refer to the EMGworks documentation accessible in the Help menu of the software for detailed instructions on setting up data 22 Trigno Wireless System User s Guide collection in EMGworks Whenever data are collected in EMG works the analog outputs on the base station are also active so it is possible to collect data in EMGworks and in a secondary data acquisition system simultaneously 23 Using the Analog Outputs The Trigno System provides simultaneous analog signal reconstruction of data being detected by all active sensors These signals are made available on the 68 pin connectors located on the Base Station EMG signals at these outputs are amplified by a factor of 909 with full dynamic range of 5V Similarly accelerometer signals are presented with a nominal full range of 5V These must b
25. ndem Trigno Systems Two Trigno systems may be used in tandem connected to the same computer as a synchronized 32 sensor 128 channel system Initial Connectivity To use two Trigno systems in a tandem configuration connect the USB cable from each base station to the same computer If using EMGworks also connect the Trigger Cross Over Cable DC C02 between the trigger ports on the two base stations After connect ing the USB cables and powering each base station launch either the Trigno Analog Output application or EMGworks Note that the trigger cross over cable will work irrespective of orientation Tngger Cross Over Cable me DC Figure 23 Installation of the Trigger Cross Over cable to synchronize two base stations when used with EMGworks Communication Frequencies When the software detects the presence of two bases connected to the computer the frequency sets on each base are automatically changed to allow the simultaneous communication of 32 sensors The user is required to re pair each sensor to use these new communication frequencies Similarly when reverting to the use of a single base the communication frequency set will be restored to the option selected by the user Set A B C or D and the sensors must again be re paired Synchronization All channels of data collected in a tandem configuration are fully synchronized between the two bases 29 User Interface User interface options are expanded
26. ngs Fi O High Receiver Sensitivity Audible wamings Frequency Set Seta Set B SAC Set D App Figure 9 Configuring Trigno Sensor Settings Frequency Set Use this setting to change the frequencies being used for wireless communication The default set is A The frequency set should only be changed if nearby sources are interfering with Trigno communications or the particular operating environment is causing significant path loss on the current frequency set Note that changing the communication frequency set will require sensor re pairing see section on Trigno Sensor Status Frequencies within the sets are defined by the system and cannot be changed by the User Audible Warnings This option will generate an audible ping along with a small message whenever a sensor falls out of range or it s battery is excessively low 17 Trigno Sensor Status Console A Status console for Trigno Sensors is available when operating EMGworks and when operating the Trigno system in Analog Output mode The console tracks all Trigno sensors in the system in real time relaying their on off state their battery charge level and their communication quality in the network Additionally this console can send an off command to all sensors and hosts the sensor pairing function A compact display of this information is accessible in EMGworks by hovering over the notification area icon for the Trigno
27. s All settings are locked once the Start button is depressed and can only be changed after the Stop button is pressed ae Delsys Trigno Analog O O stput it Figure 20 Trigno Analog Output software Test Panel The Test Panel is used to verify the analog signal connections with the data acquisition module by outputting predefined and unique 26 Trigno Wireless System User s Guide signals on each channel The test signals are sinusoidal in nature and defined by an amplitude a frequency and an offset The expected outputs for each analog channels are listed in the Test Panel window once the option is slected yo OO e Ce e OO OO OO oc amp Running Figure 21 The Test Panel Signals 27 Sensor Modes In the Analog Output application the sensor mode is controlled on the Mode Control tab of the Configuration dialog When using the Analog Output application the 4 modes are determined by the selection of the check boxes for mode A and mode B on each sensor These settings are independent from the range settings in EMGworks Modes for Trigno Sensor type 00 Sensor 11 Sensor 12 Sensor 13 C Sensor 14 C Sensor 15 E Sensor 16 I A B mga Ae 3H Ae SIE Ae Ae SUE Ae Ae Ae Ao m Al E m Figure 22 Setting sensor modes in the Analog Output application 28 Trigno Wireless System User s Guide Using Ta
28. s designed to provide years of reliable service when proper care is followed While the Base Station enclosure is made of durable plastic the following points should be kept in mind during its use and handling e The device and its accessories should be visually inspected before every use to ensure that no mechanical deterioration has occurred e The Base Station can be easily cleaned with a 70 solution of isopropyl alcohol if necessary DO NOT EXPOSE THE BASE STATION TO ANY LIQUID IT IS NOT A SEALED DEVICE 31 A e The units are not shockproof and should not be dropped or be subjected to excessive forces or accelerations The recharging Base Station is not water resistant Under no circumstance should this unit be exposed to water or any other type of liquids 32 Trigno Wireless System User s Guide Specifications Trigno Sensors GENERAL SPECIFICATIONS Range is characterized in open office environments Interfering RF sources in the 2 4GHz spectrum as well as absorptive objects occluding the RF communication path may degrade transmission distance Stated range can be exceeded under favorable RF conditions 2 Battery duration is a function of charge and discharge conditions Optimal battery performance is obtained when the device is operated at room temperature Note that the stated Operation Time reflects the expected performance of a fully charged new battery used in a sensor that is transmitting
29. sssseeeeeeeeeeaeeeeeees 11 Charging the Sensors ccceccceeecsseseeeeeeeeeeeeeeeeeseeeeeees 11 Turing the Sensors ON 13 Turning the Sensors On 13 Configuring the Trigno System cccccsseeseceeeeeeeseeeeeeeeeaeeeeeees 14 Software Installation and Configuration cccccceeeeees 14 Trigno System Information cccccecseeceeesseeeeesseeeeeeeeaees 15 Trigno System Settings cccccseeeceessseeeeeeeeeseeeeseeees 17 Trigno Sensor Status Console cccccssseeeeeeeeeeeseeeeeeeees 18 Using the Wireless EMG Sensors ccceeeeeeeeeeeeeeeeeeaeeeees 19 Orienting the EMG Sensors on the Skin 0 ccceeeeeee 19 Cleaning the Sensor Site cccccseeceeeeeeseeeeeeeeeeeseeeeeeens 19 Applying the Trigno Adhesive Skin Interfaces 00000 19 Sensor Pairing EE 20 Sensor Factory Calibration cccccccecseeeeeeeeseeeeeeeaeeeeeens 21 Su IT En TC 22 SEET 22 Data CGollechon 22 Using the Analog Kei ul 24 Analog Output CGonnechors 24 Channels 1 16 EMG Signals ccceecceeeeeeeeeeees 24 Channels 1 64 all Ggonals 24 Screw Terminal Connechons 25 Analog Output Software ccccccssecccesssseeeeeseeeeeeeseeeeeeeaeees 26 MOST EE 26 SENSO MOdOS eeneg 28 Using Tandem Trigno Systems neenssneenneeenneeernnnerrn rneer eneee 29 Initial Connechivifv 29 Communication Frequencies ccccceeseeeeeeeeeeeeeeeeees 29 SVMGHTONI
30. the integ rity and the safety features of the cell Trigno Wireless System User s Guide Device Information Complies with Requirements put forth by the Medical Device Direc tive 93 42 EEC Class I device Annex VII Type BF device IEC 60601 1 Isolated device Class II IEC 60601 1 Do not dispose this product with house waste Contact Delsys Inc for instructions on responsibly disposing this device This product should not be mixed with other commercial wastes Date of Manufacturing appears on device Serial Number appears on device EMERGO EUROPE Molenstraat 15 2513 BH The Hague The Netherlands DELSYS INC 650 Beacon St Boston MA 02215 USA Authorized Representative Manufacturer FCC ID W4P SP W02 Trigno Base Station FCC ID W4P SP W01 Trigno Sensor IC 8138A DST01 Trigno System This device complies with Part 15 of the FCC Rules Operation is sub ject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation This product complies with FCC OET Bulletin 65 radiation exposure limits set forth for an uncontrolled environment Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undes
31. the reproduced voltage at the EMG channel output 3 This parameter relates the nominal uncalibrated voltage differential for an inertial displacement of 1 g 4 Sin X X correction is applied to each channel for cancelling the distorting effects of the DAC sampling process 35 Appendix Mains Isolation AN A The Trigno Base Station is provided with Medical Grade isolated power supply which is compliant with IEC60601 series of harmonized standards for Medical Devices However full compliance with IEC60601 1 Basic Safety for Medical Devices requires that the PC operating the software be isolated as well This stems from the basic requirement to have all patients electrically isolated from equipment within their reach and since the PC running the Trigno Software is conceivably within their reach it too must be isolated Delsys does not supply isolation transformers for Personal Computers and their peripherals Delsys recommends model IS1000HG manufactured by Tripp Lite www tripplite com for this task This device is a medial grade isolation transformer capable of delivering up to 1000 W A smaller similar version for 500W is also available ISSOOHG Similar products compliant with IEC60601 1 are acceptable 36 Trigno Wireless System User s Guide Appendix Il DC A22 Unterminated Output Cable Installation The DC A22 Unterminated Output Cable provides access to all 64 analog output channels from
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