LORECa Hearing Instrument PKA87 Page 8 User Manual Download | Manualshive

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P K A 8 7 O p e r a t i o n a l M a n u a l

Page 7

1-3- Select

“

Device and Printers

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from

“

Start

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menu.

1-4- Double Click on the PKA87 Icon.

1-5- Select

“

Hardware

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tab and Push the

“

properties

”

Button.

>>>>

1-6- Select

“

Change Settings

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and enter to the

“

Driver

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Tab.

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Summary of Contents for PKA87

Page 1: ...PKA 87 PC Based Screening Audiometer LORECa Hearing Instrument March 2014 USER MANUAL PKA87 PKA87 B User manual ...

Page 2: ...P K A 8 7 O p e r a t i o n a l M a n u a l Page 1 ...

Page 3: ... Steps 6 Device Installation 6 GUI Installation 10 Software Description 14 Case History 15 Otoscopy 17 Primary Tests 20 PTA 23 Report 29 Common Setting 30 File Menu 30 Option Menu 32 Shortcut keys 35 Technical specifications 36 Unpacking Inspection 37 General maintenance 37 Operating temperature 39 Care and maintenance 39 Device uninstall steps 40 Trouble shooting 41 Reporting imperfection 41 ...

Page 4: ...st hearing healthcare professionals or trained technicians in a quiet environment It is recommended that the instrument be operated within an ambient temperature range of 15 35 degree Celsius 59 95 degrees Fahrenheit This manual describes the Diagnostic software used for PC Audiometry The Software allows users to working and display store and print audiometric data Precautions Notice Be sure to us...

Page 5: ... other heat source Notice In operation the instrument should not be subject to temperatures below 15C or above 35C Notice Although the instrument fulfils the relevant EMC requirements precautions should be taken to avoid unnecessary exposure to electromagnetic fields e g from mobile phones etc If the device is used adjacent to other equipment it must be observed that no mutual disturbance appears ...

Page 6: ...erating systems support Windows XP SP2 and Vista Windows 7 32 Bit PKA87 B and PKA87 uses a direct USB connection it has built in USB Test measurement data support Audiometric data Only Air Conduction BC and FF are Optional On line PC operated and Patient Session Saving in PC ...

Page 7: ... 1 Device Initialization Step 2 GUI Installation Device Initialization Notice Please check for System compatibility System type 32 bit Operating System 1 1 Plug in Device to the AC socket 1 2 Connect the Instrument to the PC with a USB cable the following window should appear ...

Page 8: ...t i o n a l M a n u a l Page 7 1 3 Select Device and Printers from Start menu 1 4 Double Click on the PKA87 Icon 1 5 Select Hardware tab and Push the properties Button 1 6 Select Change Settings and enter to the Driver Tab ...

Page 9: ...P K A 8 7 O p e r a t i o n a l M a n u a l Page 8 1 7 Push Update Driver button 1 8 Select Browse my computer for driver software choice ...

Page 10: ...r a t i o n a l M a n u a l Page 9 1 9 Enter address of Drivers from CD drive 1 10 Please wait a moment 1 11 Update driver is completed Close the window 1 12 Then processed to system setup described in the next chapter ...

Page 11: ...lation Installation of Graphical User Interface GUI To install Software simply insert the installation CD run the installation file if it does not start automatically and following the installation 2 1 Welcome Dialog Select Installation Directory Press Next Button ...

Page 12: ...P K A 8 7 O p e r a t i o n a l M a n u a l Page 11 2 2 Confirm Installation Press Next Button 2 3 Press Setup Button Wait for installation to complete ...

Page 13: ...P K A 8 7 O p e r a t i o n a l M a n u a l Page 12 2 4 Installation is complete Press Ok 2 5 PKA87 folder Created in the C Drive Open this folder and select PKA exe file ...

Page 14: ...P K A 8 7 O p e r a t i o n a l M a n u a l Page 13 2 6 For easy to access Create shortcut on the Desktop 2 7 PKA87 Shortcut ...

Page 15: ... i o n a l M a n u a l Page 14 Software Description 3 1 Double Click on PKA87 Shortcut 3 2 OK the window 3 3 PKA main window is open PKA window have 5 tabs for different objects Case History Otoscopy Primary test PTA Report ...

Page 16: ... either of the patient or of other people who know the person and can give suitable information with the aim of obtaining information useful in formulating a diagnosis and providing medical care to the patient The medically relevant complaints reported by the patient or others familiar with the patient are referred to as symptoms in contrast with clinical signs which are ascertained by direct exam...

Page 17: ...he complaints enumerated in the chief complaint Past medical history including major illnesses any previous surgery any current ongoing illness e g diabetes Family diseases especially those relevant to the patient s chief complaint Childhood diseases this is very important in pediatrics Social history medicine including living arrangements occupation number of children drug use including tobacco a...

Page 18: ...d This process will move the acoustic meatus in line with the canal Hold the otoscope like a pen pencil and use the little finger area as a fulcrum This prevents injury should the patient turn suddenly Inspect the external auditory canal Evaluate tympanic membrane o Note the color red white yellow and translucency transparent opaque and position retracted neutral or bulging of the drum Case Histor...

Page 19: ...in viewfinder such as a computer monitor will be referred to as a video otoscope Before use the examiner shall ensure the otoscope is operational and that any relevant safety checks have been conducted The examiner shall adopt a stable position when examining the ear using an otoscope This involves the examiner taking necessary precautions to minimize the risk of harming the subject or her himself...

Page 20: ...ar canal Recording reporting and managing the findings The examiner should note her his observations immediately after carrying out the procedure Depending on the circumstances it might also be appropriate for the examiner to make a judgement as to the status of an ear such as the presence of an abnormality or disease It might also be necessary for the examiner to take further action such as a ref...

Page 21: ... fork can be a useful clinical screening tool to differentiate between conductive and sensorineural hearing loss By comparing the threshold of hearing by air conduction with that elicited by bone conduction with a 512 Hz tuning fork one can infer the site of the lesion responsible for hearing loss The Rinne and Weber tuning fork tests are used widely both to differentiate conductive from sensorine...

Page 22: ...ity to hear by bone conduction The vibrating tuning fork is held near the opening of the external auditory canal and then the stem is placed on the mastoid process See figure below The patient is asked to indicate whether the tone is louder by air conduction or bone conduction Normally and in sensorineural hearing loss the tone of the vibrating tuning fork is heard louder by air conduction than by...

Page 23: ...P K A 8 7 O p e r a t i o n a l M a n u a l Page 22 ...

Page 24: ...n and bone conduction testing In air conduction audiometry the test signal is presented to the patient via earphones In bone conduction audiometry the test signal is presented via a bone vibrator placed on the mastoid or forehead of the patient It is recommended to start threshold testing with air conduction first followed by bone conduction testing Just PKA87 B Case History Otoscopy Primary test ...

Page 25: ...e the Send 3R 3L is pressed Automatic will be a presentation tone each time the Send 3R 3L is pressed and interrupted Automatic dependent by Send Duration Menu 3 Select what type of presentation you wish to use either manual or reverse tones by Double Click Send Button 3R 3L Manual presentation is activated each time the Send 3R 3L is pressed Reverse will be a continuous tone and interrupted each ...

Page 26: ...old after a question 10 10 Delete saved point by pressing Clean 11 11 If did not complete liens between store points press Plot 15 3 7 3 Tone Switch area Select what type of presentation you wish to use either Send button or Tone Switch area Click 16 button for activity Tone Switch area Signal will be a presentation tone each time is the Mouse Cursor coming to the area 17 3 7 3 Tone Warble For pur...

Page 27: ...the test tone directly to the cochlea via bone conduction of the skull to establish inner ear hearing thresholds Bone Conduction testing can be selected by pressing Output Menu 14 Just PKA87 B 3 7 6 Free Field Free field audiometry is a behavioral test obtained in a sound treated room Free field testing is useful for a difficult to test subject like children who are too young or refuse to wear hea...

Page 28: ...wer frequencies The Headphone can be used with Audiocups type V3 for reducing Background Noise 3 7 10 Instruction to Subject Prior to threshold testing the following instructions should be given to the test subject You will now hear different tones at different intensities Please press the response button every time you hear the tone and release the button when you do not hear the tone 3 7 11 Fami...

Page 29: ...he same results will be obtained when two responses out of three tone presentations occur at the same level and frequency If less than two responses out of three or less than three out of five have been obtained at the same level present a tone 10dB higher than the last response and repeat the procedure 3 Proceed to the next frequency Decrease the level by 10dB and begin another ascending level se...

Page 30: ...ke sure all our reports contain information which is meaningful to a lay person Alongside this we always have an eye on the fact that reports may often be read by specialists therefore we also make sure that all the technical information they may need is also present A statistical summary of some key elements of the pre test health questionnaires Case History Otoscopy Primary test PTA Report ...

Page 31: ...ual audiogram result for each and every attendee Common Setting 4 1 File menu The File menu enables you to create save close print Audiometry resources and to exit the Workbench 4 1 1 New Ctrl N Enables you to create new resources Before you can create a new file you must create a project in which to store the file 4 1 2 Open Ctrl O Enables you to open a test file for editing including files that ...

Page 32: ...t preview is a feature that allows audiologist to view what a printed version of the document would look like on the screen before printing a hard copy To open the print preview feature click the print preview option 4 1 7 Print Setup The Print Setup dialog box is used to select and configure your printer and final output orientation The dialog box is used to select the paper size and orientation ...

Page 33: ... most recently accessed files in the Workbench You can open any of these files from the File menu by simply clicking the file name 4 1 9 Exit Closes and exits the Workbench 4 2 Option menu The Option menu enables you to select which one print pages and to assign Header and footer of print page ...

Page 34: ... e r a t i o n a l M a n u a l Page 33 4 2 1 Common Page Printing Setting for Print the choicest parts of all pages except for Report page 4 2 2 Report Page Printing Setting for Print the contents of the Report page ...

Page 35: ...age 34 4 2 3 Audiologist Name Enter the audiologist name for printing in footer pages 4 2 4 Name of Clinic Enter the Clinic name for printing in Header pages 4 2 5 Tel Address of clinic Enter the Tel Address of clinic for printing in footer pages ...

Page 36: ...ew Menu o Alt F R Printer Setup Menu Alt E Edit Menu to open the Alt O Option Menu to open the Alt V View Menu to open the Alt H Help Menu to open the PTA tab Press Alt S to open the Save function and press C S or the other underlined character Mnemonic for the other menu or Functions Alt W Warble tone Function to active Alt R Patient response dialog to active Alt C Points cleaner to active Alt S ...

Page 37: ...Loudspeaker B71 Bone Conductor Notebook 8 9 Wide LCD PKA87 B Technical Specifications Optional Including Bone Vibrator For this Output Input Tone Channel 1 Output Left Right Bone Free Field R L Manual Presentations Ch1 single or multiple pulses Single and Multiple Pulse Speed Programmable from 250 1000 mS in 250 mS steps Standards Tone audiometer type 4 Calibration ISO389 One channel Channels Freq...

Page 38: ... at least one annual overhaul to ensure that the acoustical electrical and mechanical properties are correct This should be made by an authorized workshop in order to guaranty proper service and repair o Before the connection to the mains network be sure that the local mains voltage corresponds to the voltage labeled on the instrument Always disconnect the power cord if the instrument is opened or...

Page 39: ...r and dish washing cleaner or something similar The use of organic solvents and aromatic oils must be avoided Always disconnect the mains conductor during the cleaning process and be careful that no fluid is entering the inside of the instrument or the accessories o After each examination of a patient it should be ensured that there is no contamination on the parts in connection with the patient G...

Page 40: ...nd Maintenance The performance and reliability of the PKA87 will be prolonged if the following recommendations for care and maintenance are adhered to Great care when handling the headset Great care should be exercised when handling the headset as dropping it may alter the calibration Annual calibration headset The PKA87 has been designed to provide many years of reliable service but annual calibr...

Page 41: ... u a l Page 40 Device Uninstall Steps For Uninstall PKA software Refer to following address o Control Panel All Control Panel Items Programs and Features o Select the FTDIFTD2XX USB Drivers o Unplug USB device and then click uninstall item ...

Page 42: ...e update point step by step No tones in the headphone If no sound appears check that the headphone is correctly connected to the phone output Reporting Imperfection Inspect before connection Prior to connecting the PKA87 to the mains it should once more be inspected for damage All of the cabinet and the accessories should be checked visually for scratches and missing parts Report immediately any f...

Page 43: ...Report Please realise that if the service technician does not know what problem to look for he may not find it so using the Return Report will be of great help to us and is your best guarantee that the correction of the problem will be to your satisfaction INFO LORECA COM ...

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