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4.4

Create, Modify, and Delete Protocols

Trial setting parameters may be modified for all EP procedures. In order to create, modify, or delete a protocol, a patient
file must be opened. However, these changes will be applicable for all patients.

Single Protocol

Linked (Sequential) Protocol

Otometrics - ICS Chartr EP 200

37

4 Collect Patient Data

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Содержание ICS Chartr EP 200

Страница 1: ...ICS Chartr EP 200 Installation and Startup Guide Doc No 7 50 0570 EN 10 Part No 7 50 05700 EN ...

Страница 2: ...ometrics the Otometrics Icon AURICAL MADSEN Otoscan ICS and HORTMANN are registered trademarks of Natus Medical Denmark ApS in the U S A and or other countries Version release date 2019 08 28 214597 Technical support Please contact your supplier Otometrics ICS Chartr EP 200 2 ...

Страница 3: ... Patient for Testing 12 4 Collect Patient Data 34 5 Review Collected Data 43 6 Print a Patient Report 50 7 Maintenance and Troubleshooting 56 8 Safety 61 9 Technical specifications 66 10 Installation Reference 78 11 Diagnostic Calibrations 83 3 User Guide Otometrics ICS Chartr EP 200 ...

Страница 4: ...Otometrics ICS Chartr EP 200 4 ...

Страница 5: ...rporates hardware enabling the capabilities of the two predecessor devices to be offered as a single device The ICS Chartr EP 200 system can be configured for a wide variety of electrophysiological tests and it can be programmed for single protocol or linked protocol operation The user can select or change the default parameters for a particular test The VEMP monitor is used to provide biofeedback...

Страница 6: ...on all aspects of the ICS Chartr EP 200 system including Functional description of each window and dialog box Advanced Procedures Data Collection and Analysis Archiving Options Customizing Reports Troubleshooting Note The User Manual can be accessed through Help in the software 1 4 2 Otometrics Customer Support Otometrics Customer Support is available at www natus com or contact your local distrib...

Страница 7: ... Study Main Window 8 2 2 Step 2 Add an Operator A Type the requested information Add Operator Dialog Box 1 Type your last name and degree type your first name required 2 Type your address Street City State Zip Code Phone Number Identification i e a work ID 3 Click OK B Click OK to add your name to the operator list and display the ICS Chartr EP 200 Main Window C Go to 2 3Step 3 Study Main Window 8...

Страница 8: ...Function Purpose A Title bar View patient and operator names B Menu bar Select program options C Toolbar Quick access and labeling waveforms D Ongoing EEG box Display EEG waveforms during data collection E Tabs Review New Test and Settings Select a tab to review data select a protocol or change protocol set tings 8 Otometrics ICS Chartr EP 200 2 Prepare System for Data Collection ...

Страница 9: ...A and B latency A B the difference between Cursor A and B amplitude Av Bv the EMG value VEMP only the Interaural Wave V IT5 and the Asymmetry Ratio VEMP only VEMP monitoring is available only if the VEMP monitor application has been included K Waveform work area View collected waveforms L X axis labels area indicated by gray rectangle When waveforms with the same sweep time and delay are displayed...

Страница 10: ...on Add Patient Information Dialog Box 1 Type this information Name Last First required Birthdate required Address City State Zip Code Phone Number Identification i e a work ID 2 Select the Gender required C Click OK to create a patient record D Go to 2 5Step 5 Select Referring Physician and Facility 11 10 Otometrics ICS Chartr EP 200 2 Prepare System for Data Collection ...

Страница 11: ... name Note If the Referring Phys ician is not on the list go to 6 5Step 28 Set up Referring Physician Records 54 3 Click on the Referring Facility s name Note If the Referring Facility is not on the list click None Selected or go to 6 6Step 29 Set up New Referring Facility 55 4 Click OK C Click OK to save the information on both tabs D Go to 3 1Step 6 Patient Preparation 12 Otometrics ICS Chartr E...

Страница 12: ...or tape for adhering the electrodes in place Disposable insert earphone eartips for adults and pediatrics 3 1 2 Test Room Setup In order to obtain clean accurate results the patient should be comfortable The patient should preferably be lying supine or reclined in a comfortable chair with head and leg support Try out the chair or table and lie there for awhile Are you comfortable Pillows and blank...

Страница 13: ...i e infant toothbrush and some warm water Do not leave electrodes soaking in water for hours Handle the electrode wires with care as not to break them If using silver chloride verify that the chloride has not chipped off To re chloride the electrodes place only the cup of the electrode into a small amount of chlorine bleach Soak electrodes for only 20 minutes Do not let the wires touch the chlorin...

Страница 14: ...d waveforms based on the stimulated ear 3 2 1 Electrode Montages Below are proper connection of electrode wires into the Chartr EP 200 preamplifier for 1 and 2 channel recordings for ABR ECochG and VEMP These electrode montages are commonly used for data collection These are not exclusive and other montages may be appropriate for data collection 14 Otometrics ICS Chartr EP 200 3 Prepare Patient fo...

Страница 15: ...Leaving a jumper or electrode lead connected can result in inaccurate data and may introduce noise into the recording AUDITORY BRAINSTEM RESPONSE MONTAGES When performing bone conduction ABR always place the reference electrode and the ground on the front of the earlobe Caution If an alternate montage is used with Electrode Switching ON the data collected will be inaccurate Otometrics ICS Chartr E...

Страница 16: ...16 Otometrics ICS Chartr EP 200 3 Prepare Patient for Testing ...

Страница 17: ...Otometrics ICS Chartr EP 200 17 3 Prepare Patient for Testing ...

Страница 18: ... appropriate After the TM ECochGtrode is in place secure the cable to the patient so that the weight of the cable does not pull the electrode out of the ear Insert the foam eartip into the ear and on top of the TM ECochGtrode tubing Hold the tubing of the TM ECochGtrode when inserting the foam eartip so that the electrode is not pushed against the patient s tympanic membrane Electrode impedance wi...

Страница 19: ...n and then slide the eartip electrode on making sure that the alligator clip is touching the gold foil Connect the tubing to the output of the insert earphone Remove the tubing that is currently on the insert earphone and replace it with the tubing on the Tiptrode Do NOT double the length of the tubing by attaching the two sets together Red tubing goes to the right insert phone and blue tubing to ...

Страница 20: ...20 Otometrics ICS Chartr EP 200 3 Prepare Patient for Testing ...

Страница 21: ...Otometrics ICS Chartr EP 200 21 3 Prepare Patient for Testing ...

Страница 22: ...tion Have the patient turn his her head left or right and downward The SCM should bulge Place the electrode on the middle and most bulbous part of the SCM The right and left SCM electrodes should be symmetrical at the same level on the patient s neck See 3 3 Step 8 VEMP Monitor 28 22 Otometrics ICS Chartr EP 200 3 Prepare Patient for Testing ...

Страница 23: ...Otometrics ICS Chartr EP 200 23 3 Prepare Patient for Testing ...

Страница 24: ...24 Otometrics ICS Chartr EP 200 3 Prepare Patient for Testing ...

Страница 25: ...Otometrics ICS Chartr EP 200 25 3 Prepare Patient for Testing ...

Страница 26: ...26 Otometrics ICS Chartr EP 200 3 Prepare Patient for Testing ...

Страница 27: ...Otometrics ICS Chartr EP 200 27 3 Prepare Patient for Testing ...

Страница 28: ... the level of tonic EMG would appear to be a prerequisite for the accurate interpretation of the VEMP 1 The VEMP reflex amplitude scales in proportion to tonic EMG activity and should therefore be normalized to the level of EMG activity 2 The ICS Chartr EP 200 VEMP MONITOR assesses the level of tonic EMG and displays if the level is adequate or inadequate 1Akin FW Murnane OD Panus PC et al 2004 Th...

Страница 29: ...e the same when collecting data from the left and right SCM to ensure that the EMG value is similar on both sides The response average will only include sweeps when the EMG is in between the min and max values or Good range If the EMG is in the Low or High range those sweeps will be rejected The monitor light will display the following based on the EMG level Low blue EMG level is below the Min val...

Страница 30: ...rential diagnosis of the type of hearing loss sensorineural conductive or mixed The system default is a 2 channel protocol to be used without masking The contralateral response will not have a Wave I present and a slightly longer latency for Wave V Wave I is not always present in the ipsilateral response Listening Check Perform a listening check to verify that the output of the bone oscillator is ...

Страница 31: ...the pinna Trans ducer placement should be consistent between the sides to reduce variability Catheter Holder Dale Medical Products makes the Foley Catheter Holder Latex Free that can be used for holding the bone oscillator in place It is a 1 inch elastic band Cut off the strap for the catheter and place Velcro on the back of the bone oscillator The elastic and Velcro makes it adjustable for any he...

Страница 32: ...pected amount of stimulus dB SPL is delivered to the ear Use the largest eartip that will fit into the patient s ear Leakage will reduce the amount of dB SPL being delivered to the patient s ear The eartip should be flush with the outer rim of the ear canal There should not be foam sitting in the cocha Maneuver the pinna up back for adults down back for infants in order to open the ear canal so th...

Страница 33: ...alues for each channel Make sure there is an impedance reading for each channel with electrodes connected and the ground Adjust the electrodes as needed Impedance Test Dialog Box C Click OK to stop the impedance test D Go to 4 1Step 12 Select a Protocol 34 Otometrics ICS Chartr EP 200 33 3 Prepare Patient for Testing ...

Страница 34: ...hG Electrocochleography ALR Auditory Late Response AMLR Auditory Middle Latency Response P300 optional Note System Diagnostic is a hardware test not a pro tocol See Test Fixture 57 in the Troubleshooting sec tion of this guide Note ECochG AMLR and P300 protocols are not avail able in ICS Chartr EP 200 Limited ALR is provided only for 40 Hz Optional ALR pro cedures are available B Click on a protoc...

Страница 35: ...enu B 2 Click on an option to select it 3 Repeat 1 and 2 for each setting you want to modify The modified settings are saved with the collected waveforms They are not available for use with other patients Go to 4 4Step 15 Create Modify and Delete Protocols 37 to modify a trial setting parameter for use on more than one patient Settings Tab Pop up Menu D Go to 4 4Step 15 Create Modify and Delete Pr...

Страница 36: ...ch ear C or AM and FM Modulation for both ears D Maximum Search Time in E Edit Protocol ASSR Quick Search Dialog box 4 Select Channel options F Amplifier Gain High Pass Filter Low Pass Filter Notch Filter 5 Select a Transducer G 6 Select a masking level for both ears H 7 Click on a box I to select or deselect a frequency Click the Select All button J to select all frequencies for both ears Click t...

Страница 37: ...s may be modified for all EP procedures In order to create modify or delete a protocol a patient file must be opened However these changes will be applicable for all patients Single Protocol Linked Sequential Protocol Otometrics ICS Chartr EP 200 37 4 Collect Patient Data ...

Страница 38: ...K Create a Linked Sequential Protocol A Access the New Test tab and highlight the protocol to be edited B Click F5 Trial Settings C Make changes D Click Add as New E Change Trial Settings Name F Click OK Protocol will display in the left top panel on the Trial Settings window Change Protocol Name A Access the New Test tab and highlight the protocol to be edited B Click F5 Trial Settings C Click Sa...

Страница 39: ... Default Settings A Login as the default operator B Access New Test tab and highlight the protocol to be edited C Click F5 Trial Settings D Click Default Settings E Click Yes to reset manufacturer default settings F Go to 4 5Step 16 Select Data Collection Options 39 4 5 Step 16 Select Data Collection Options A Click a button on the Main Window Toolbar to select one or more of these data collection...

Страница 40: ...n a page based on the ear stimulated the col lection channel the stimulus intensity and the tone frequency Interaural Wave V Click to show the latency difference between Wave V of a left waveform and right waveform Waveforms selected must be collected using an ABR click protocol and must have Wave V marked B Go to4 6Step 17 Start Data Collection 40 4 6 Step 17 Start Data Collection All data collec...

Страница 41: ...lect a protocol B Note F12 C Click F12 Collect to start data collection Click F12 Pause to tem porarily stop data collection B Go to 4 8Step 19 Monitor Data Collection 41 4 8 Step 19 Monitor Data Collection A Monitor data collection Waveform Work Area Cursor B A Waveform Information Line B Waveform Bank Buttons C Waveform page number D max imum 20 waveforms per page Waveform E Otometrics ICS Chart...

Страница 42: ...sweep counter to zero F4 PediGram Display PediGram data F10 Increase Sweeps Increase maximum sweeps for the current trial F6 Report Display Patient Report F11 Stop Stop the current trial F8 Normative Data See normative data graphs for selected waveform To select all waveforms click Ctrl A F12 Pause Resume Pause the current trial Resume current trial C Go to 5 1Step 20 EP Review Tab 43 42 Otometric...

Страница 43: ...lation Box E 1 Select the Test Date and Time B to display the waveforms collected under that order 2 Select a Channel C to see the corresponding trial setting details in the Calculation Box E on the Main Window The channel displays the waveform with two numbers i e 5 1 The first number represents the order it was collected The second number represents the channel So 5 1 is the fifth waveform for t...

Страница 44: ...se a list Review Tab ASSR Trial date A Physician Order Date B ASSRbutton C Test D Calculation Box E 1 Select the Physician Order Date B to display the ASSR test results collected under that order 2 Select a test to see the corresponding trial setting details in the Calculation Box E on the Main Window C Go to 5 3Step 22 Work with Waveforms 45 44 Otometrics ICS Chartr EP 200 5 Review Collected Data...

Страница 45: ...m page number B Click F10 or F11 to move from page to page View the latency F of cursor A and B View the latency difference G between cursor A and B View the amplitude difference H between cursor A and B C Check the calculation box on the Main Window to see the marked latency and amplitude for the selected marked waveform Example waveform 6 with Marker V data D Use the waveform pop up menu to mani...

Страница 46: ...ave form will be placed in the first unused waveform bank on the page Press Ctrl to subtract selected waveforms Smooth Smooth one or more waveforms at a time Select the amount of smoothing 7 to 23 points that will be applied Menu Options Function Unsmooth Remove smoothing from selected waveforms Press Ctrl U to remove smoothing from selected waveforms Invert Invert the selected waveforms Press Ctr...

Страница 47: ...s stimulus intensity must be in the normative data range and normative data for the current patient s age must be available On the graphs data points are indicated by the ear stimulated x left right A Place the appropriate markers on selected click waveform s See 4 8Step 19 Monitor Data Collection 41 B Select the marked waveform s and click F8 Normative Data to display the Normative Data dialog bo...

Страница 48: ...age must be available A Place the appropriate markers on selected tone burst waveform s See 4 8Step 19 Monitor Data Collection 41 B Select the marked waveform s then select F8 Normative Data to display the Tone Burst Normative Data dialog box Tone Burst Normative Data Dialog Note Click on a frequency A to view the cor responding data graph C Click OK to close the dialog 48 Otometrics ICS Chartr EP...

Страница 49: ... a list of parameters for all channel data used as thresholds on the PediGram A Select F4 PediGram to display the Tone Burst Wave V Thresholdsdialog box Tone Burst Wave V Thresholds PediGram Tab 1 Select the PediGram tab A to see the PediGram graph 2 Click a frequency button B to show or hide the related data 3 Select the PediGram Threshold Table C tab to see a list of threshold channel parameters...

Страница 50: ...the word pro cessor report waveforms and normative data 3 Click File and select Save to save the changes and return to the Main Window C Select File Save on the Menu bar D Click File Print EP Report to print the word processor report waveforms and normative data E Go to 6 2Step 25 Creating Macros 50 6 2 Step 25 Creating Macros Macros are defined wording that can be added to the report Creating a m...

Страница 51: ...WNLEP 2 Type the text B D Click Save E Click Done Insert the Macro into a Report A Click F6 Report B Place cursor in the report where you want the macro to be placed C Click on Tools in the menu bar D Click Get Macro Get Macro Dialog Box E Select the macro from drop down A F Click Insert Otometrics ICS Chartr EP 200 51 6 Print a Patient Report ...

Страница 52: ...w Menu bar or from the Word Processing Report to display the Print Report dialog box B Select the items you want to include in the report Print Report Dialog Box A or means an option is selected 1 Select a waveform page option A required 2 Select Click and Tone Burst normative data graphs B 3 Select to include one or more of these options C Click Preview to view an online copy of the report C Clic...

Страница 53: ... Select to include only current search results or all search results A 2 Select to include left and or right ear data B 3 Select to include one or more of these options in the report C 4 Select to include these optional items in the report D 5 Select to include the ASSR symbol legend in the report E Click Preview to view an online copy of the report C Click Print to send the report to the printer ...

Страница 54: ...information Add Referring Physician Dialog Box 1 Type the physician s Name last first required Address City State Zip Code Country Identification Telephone Numbers up to 5 Fax number Email address 2 Click OK C Click OK to create a new referring physician record D Go to 2 5Step 5 Select Referring Physician and Facility 11 54 Otometrics ICS Chartr EP 200 6 Print a Patient Report ...

Страница 55: ... requested information Add Referring Facility Dialog Box 1 Type this information Name of the facility required Address City State Zip Code Country Telephone Number Contact person 2 Click OK C Click OK to create a new referring facility record D Go to 2 5Step 5 Select Referring Physician and Facility 11 Otometrics ICS Chartr EP 200 55 6 Print a Patient Report ...

Страница 56: ...g the patient database Database Repair Utility A method for attempting to fix a corrupt database See Section 9 of the ICS Chartr EP 200 User Manual for additional troubleshooting information Note Special Notice Service and repair of electro medical equipment should only be done by the equipment manufacturer or by authorized representatives The manufacturer reserves the right to disclaim all respon...

Страница 57: ... plug in the Test Fixture cable Plug the Test Fixture into the electrode jacks of the preamp and the transducer connector Plug Test Fixture into Preamp B Turn on the PC and double click ICS Chartr EP 200 icon to display the Operator Login window C Select an Operator and click OK to display the Main Window D Select File New Patient to start a patient record Type a Patient name and Birthdate then cl...

Страница 58: ...f the test produced a noise free sinusoid select File Delete Patient click on the patient record you created in step D and click OK to delete the record H Return the equipment to operating status by closing ICS Chartr EP 200 and turning off the PC I Unplug the test fixture from the Preamp and reconnect electrodes earphones and bone oscillator J Remove the Patient Electrode cable from the Test Fixt...

Страница 59: ...older assembly C Use a flat blade screwdriver to remove the fuse holder assembly from the power entry module D Expose the fuse by carefully prying up on the small clip that is molded into the holder assembly and sliding the fuse block out of the holder E Replace the failed fuses Use slo blo fuses For 115Vac systems use 250V 5A fuses 5 x 20 mm For 230Vac systems use 250V 3 15A fuses 5 x 20 mm F Sli...

Страница 60: ... Utility to attempt to fix a corrupt database Use this utility only if a message prompt indicating the database is corrupt displays when an operator is trying to access or save information A Make sure ICS Chartr EP 200 is closed B Click Start on the Taskbar and select Programs Otometrics Chartr Database Repair to display this prompt C Click Yes to repair the database D Double click ICS Chartr EP 2...

Страница 61: ...tion given in this manual ICS Chartr EP 200 is CE marked according to the Medical Devices Directive 93 42 EEC The switch alternates between On and Stand by mode Green the switch is On pushed in and the USB connection unit is ready Blue the switch is in Stand by mode pushed in with no USB con nection Clear the switch is Off pushed out The instrument is marked with this symbol to indicate that it is...

Страница 62: ...ainst fire hazard replace fuse with the same type and rating only The ring terminal wire Green Yellow of the DC power supply must always be securely attached to the DC power functional earth connection on the Back Panel of the Chartr EP 200 when operating the device Equipment Note 1 There are no user serviceable parts inside the ICS Chartr EP 200 box For the sake of safety and in order not to void...

Страница 63: ...veness of this system Use fiber optic or wireless network connections to install the computer on a network Note 11 The device is disconnected from the mains by removing the plug of the isolation station from the wall outlet Note 12 Avoid accidental contact between connected but unapplied parts electrodes including connections and other conductive parts including those connected to protective earth...

Страница 64: ... Care Note 21 Do not touch non medical parts such as the laptop computer or printer and the patient at the same time Note 22 Do not touch the output DC plug of the power supply or any device connectors on Chartr EP 200 and the patient at the same time Note 23 Do not allow electrodes or electrode leads to contact conductive parts of the equipment or the earth Note 24 While the patient who has a pac...

Страница 65: ...s re adjustments modifications or repairs are carried out by the equipment man ufacturer or personnel authorized by the manufacturer The electrical installation to which the equipment is connected complies with EN IEC requirements The equipment is used in accordance with the instructions for use The manufacturer reserves the right to disclaim all responsibility for the operating safety reliability...

Страница 66: ...0 2 to 180 sec A D Resolution 16 bit Artifact Rejection 99 full scale adjustable Points per Trace 600 Channel Options Channels 2 channel with additional channel available for EMG monitoring 1 channel for CHARTR EP200 Limited Gain 1k 1 5k 2k 2 5k 3k 5k 7 5k 10k 15k 20k 25k 30k 50k 75k 100k 150k 200k 250k 300k 500k High Pass Filter Hz 0 2 0 3 0 5 1 1 5 2 5 10 20 30 50 100 150 200 500 1000 Low Pass F...

Страница 67: ...bration table in dB SPL with a user definable normal hearing threshold table in nHL VEMP Monitor Channel Monitor 1 channel left or right side VEMP EMG Level User defined minimum and maximum acceptable level Power Supply AC DC Adapter Type ELPAC P N MW4015F GND 1 Input 100 240 VAC 50 60 Hz 1 A Output 15V DC 2 6 A Isolation Transformer Powertronix Isolation Station from Natus Medical Denmark ApS Inp...

Страница 68: ... x 13 6 x 11 3 Preamp 3 0 cm x 9 9 cm x 16 4 cm 1 19 x 3 88 x 6 44 VEMP monitor 2 9 cm x 6 2 cm x 9 5 cm 1 13 x 2 44 x 3 75 Weights Chartr EP 200 box 2 7 kg 5 lbs 7 oz Preamp 0 27 kg 9 5 oz VEMP monitor 0 13 kg 4 5 oz Calibration Calibration interval None required but recommended annually Standards Safety IEC 60601 1 UL60601 1 CAN CSA C22 2 NO 601 1 M90 Chartr EP 200 IEC 60601 1 Class I Type BF IP...

Страница 69: ... dB steps Masking White noise up to 100 dB HL AM FM Modulation 20 to 105 Hz 1 Hz per step AM depth 0 to 100 5 per step FM depth 0 to 25 5 per step Gain 1k 2k 3k 5k 10k 20k 30k 50k 100k 200k 300k 500k High Pass Low Pass Filter Exclusive Chartr narrow filters for RapidASSR EEG Online display during data collection or when collection is paused Search Options Quick Search or Straight Descent Electrode...

Страница 70: ...ance 10 mOhm CMR ratio 100 dB at 50 60 Hz Impedance ratio internal 20 Hz triangular wave Stimulators Stimuli Click tone burst Parameters for tonal stimuli Programmable frequency intensity rise fall time plateau duration envelope shape Rate 0 2 to 180 sec Intensity 0 dB to 132 dB SPL Masking White noise Transducers TDH 49 earphones insert earphones bone conduction transducer 70 Otometrics ICS Chart...

Страница 71: ...esponse search time 1 30 min Data collection Test impedance of patient electrode connections displays waveform during col lection displays ongoing EEG stores waveforms presents corrected and uncor rected tone threshold plots ICS Chartr EP 200 Starter Kit Standard Accessories Nuprep 4 oz tubes pkg 3 1 tube supplied in starter kit 7590030 3 Lead Wires 1 5 mm DIN Touchproof Individual jumper 7590490 ...

Страница 72: ...andard qty 50 80A4820900 Foam Eartip 3B Small qty 50 80A4821000 TipTrode Adult Gold Foil qty 20 7590511 TipTrode Child Gold Foil qty 20 7590512 Cables Cords Preamp Cable 7 08 50700 USB cable 2 meter 8 71 79200 Power cord US w plug UL approved 7 08 017 Power cord CH w plug 7 08 027 Power cord EU straight 7 08 07500 Power cord UK straight 7 08 07501 Power cord US straight 7 08 07502 Power cord AUS s...

Страница 73: ... 8 71 86400 Mains Adaptor Cables EU 7 08 10500 Mains Adaptor Cables UK 7 08 10501 Mains Adaptor Cables US 7 08 10502 Mains Adaptor Cables AUS CHI 7 08 10503 Mains Adaptor Cables SWISS 7 08 10505 Mains Adaptor Cables DK 7 08 10506 Otometrics ICS Chartr EP 200 73 9 Technical specifications ...

Страница 74: ...pecified below The user of ICS Chartr EP 200 should ensure that it is used in such an environment Emissions test Compliance Electromagnetic environment guidance RF emissions CISPR11 Group 1 ICS Chartr EP 200 uses RF energy only for its internal function Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equipment RF emissions CISPR11 Class B I...

Страница 75: ...e IEC 61000 4 5 1 kV line s to line s 2 kV line s to earth 1 kV line s to line s 2 kV line s to earth Mains power quality should be that of a typical commercial or hospital envir onment Voltage dips short inter ruptions and voltage variations on power sup ply input lines IEC 61000 4 11 95 dip in 0 5 cycle 60 dip in 5 cycles 30 dip in 25 cycles 95 dip in 5 seconds 95 dip in 0 5 cycle 60 dip in 5 cy...

Страница 76: ...n electromagnetic site survey a should be less than the com pliance level in each frequency range b Interference may occur in the vicinity of equipment marked with this symbol Note 1 At 80 MHz and 800 MHz the separation distance for the higher frequency range applies Note 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflec tion from s...

Страница 77: ... separation distance d in meters m can be estimated using the equation applicable to the frequency of the transmitter where P is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer Note 1 At 80 MHz and 800 MHz the separation distance for the higher frequency range applies Note 2 The ISM industrial scientific and medical bands between 150 kHz and ...

Страница 78: ...onal information or are experiencing problems refer to Maintenance and Troubleshooting 56 and the ICS Chartr EP 200 User Manual 10 1 Set up the Hardware 10 1 1 Chartr EP 200 Back Panel The components on the Chartr EP 200 back panel are shown on the following diagram Chartr EP 200 Back Panel Description Function A VEMP monitor B Preamp C USB D PC laptop E USB F DC power functional earth connection ...

Страница 79: ...mer 6 Earphone cable to preamp 7 Power cable to DC power supply 8 DC power supply cable to isolation transformer 9 Isolation transformer cable to AC outlet 10 Printer cable to printer port 11 Electrode cables to preamp 12 DC power functional earth connection Note Secure the DC power earth connection to the stainless steel screw on the Chartr EP 200 Back Panel labeled with a Functional Earth Connec...

Страница 80: ...nu bar To close a window or dialog box Click the Close or Exit button on the window or dialog Click the Close button on the upper right side of the window or dialog Click File Close or Exit on the menu bar To shut down the PC A Close all open applications and return to the Windows Desktop B Click Start on the Taskbar and select Shut Down C Select the Shut Down the computer option and click Yes 10 ...

Страница 81: ...equip ment Use this procedure to enter the facility threshold values in ICS Chartr EP 200 Once the biological calibration i e listening check is performed and correction value is determined then changes can be made in the Threshold Adjustments table If the softest level normal hearing people hear is 20 dB add this value to the value in the system i e the Click value would change from 0 to 20 This ...

Страница 82: ...ments Dialog Box 1 Select a transducer from the list A 2 Type the dB HL values for each tone burst B 3 Type the Click value C C Click OK to save the new values 82 Otometrics ICS Chartr EP 200 10 Installation Reference ...

Страница 83: ...EP 200 User Manual for more information Use the Setup Menu when patient records are closed to access the Calibration options 11 2 Calibrate Hardware and Frequency Specific Tones Tonal stimuli calibration is completed at 1 kHz in the primary transducer using a Type 1 sound pressure level meter and is followed by a frequency specific tone calibration A Set up the left transducer blue insert earphone...

Страница 84: ...bration dialog F Calibrate a frequency specific tone Frequency Specific Tone Calibration Dialog Box 1 Click and select a Transducer A 2 Select a Frequency B 3 Click Up or Down to adjust the sound pressure level meter to read 88 dB SPL 5 dB 4 Click Accept to save the calibration and put an X in the Calibrated column G Repeat step F for each frequency you want to calibrate H Repeat steps F and G for...

Страница 85: ...er s instructions B Select Calibration Hardware Masking Calibration C Calibrate the hardware masking level Hardware Masking Calibration Dialog Box 1 Click and select the Primary Trans ducer A 2 Click Up or Down to adjust the sound pressure level meter to read 88 dB SPL 5 dB 3 Click OK D Click OK to save the calibration Step1asdfg Step2asdg Step3asdfg sdg Step4sdf gsd Step5fg sdfg Step6sdg Step7sdf...

Страница 86: ...d Step19fga Step20sdf a Step21sdf Step22asdf Step23asd Step24f asd Step25sfg sdfgg Step26sdfg sdfg Step27sdfg Step28s dfg Step29sdfgsdfg Step30sdfg sdg 86 Otometrics ICS Chartr EP 200 11 Diagnostic Calibrations ...

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