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USER MANUAL

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Summary of Contents for Avant Polar HIT

Page 1: ...USER MANUAL...

Page 2: ...1 Testing Directional Hearing Instruments Polar Plots 12 Clinical Use of Polar Plots 18 Printing 18 Limited Warranty 19 0086 www medrx usa com 1200 Starkey Rd 105 Largo FL 33771 Toll Free 888 392 1234...

Page 3: ...recision Hearing Instrument Testing for your office Compact yet rugged this PC Based system is USB powered and performs all required ANSI and IEC tests A unique feature of the Polar HIT is a rotating...

Page 4: ...The AVANT Software Suite can run stand alone or from NOAH System or the TIMS NOAH Compatible Office System Figure 1 The AVANT Software Suite Main Screen Figure 2 The AVANT HIT Stand Alone Main Screen...

Page 5: ...are The View tab allows you to set the default appearance of the HIT test environment Values can be changed by using the check boxes and pull down menus shown above The HIT Tab allows you to select th...

Page 6: ...as shown to the right The key features of each tab are described below For more in depth information consult the interactive Help system within the software The General Tab configures the overall Avan...

Page 7: ...truments 1 Seal acoustic vents 2 Wrap the canal portion of the instrument with a hermetic sealing material such as Bostik Blu Tack see Figure 1 3 Align the sound bore with the opening of the ITE coupl...

Page 8: ...to 20mm long Tygon tube on BTE Coupler Adapter see Figure 4 3 Snap the BTE Coupler Adapter onto the 2cc Coupler see Figure 5 Figure 4 Figure 5 Hearing Instruments with Button Receivers 1 Remove earmo...

Page 9: ...hone Proper positioning for ITE BTE and Body Worn hearing instruments are shown below ITE Hearing Instrument BTE Hearing Instrument Body Worn Hearing Instrument Once the instrument is properly placed...

Page 10: ...nclude in your Auto Test battery 4 Select the appropriate amplifier and battery type 5 Select the test frequencies you wish to use 6 Select your default stimulus For ANSI and IEC tests select Tone To...

Page 11: ...strate the Avant Polar HIT representations of the ANSI S3 22 2003 Hearing Instrument Test Battery The system also supports the IEC 60118 7 2005 OSPL90 Full On Gain Reference Test Gain Frequency Respon...

Page 12: ...ic vents 2 Wrap the canal portion of the instrument with a hermetic sealing material such as Bostik Blu Tack see Figure 1 3 Align the sound bore with the opening of the ITE coupler adapter Press the s...

Page 13: ...nce the instrument is properly placed in the test chamber turn the power on and close the lid of the chamber The latch will engage which an audible click when the lid is closed properly Notes 4 ITE in...

Page 14: ...he software will prompt you to manually rotate the test pad either clockwise or counter clockwise Please refer to the figure below for reference 7 Follow the screen prompts circled in red below to com...

Page 15: ...tivity when the test signal 1000 Hz pure tone is in front of the hearing instrument 750 The minimum sensitivity or null of the system occurs between 1050 and 1200 to either side of the center of the h...

Page 16: ...ress Start Directionality test gauge is shown indicating current position inside the box 2 Press Test and wait for the test to finish The test is performed automatically Target and current positions a...

Page 17: ...Zero angle is assumed when the hearing aid microphone is facing the main right speaker The Current box indicates the current angle The table can be rotated either by using the Left and Right arrows or...

Page 18: ...iscriminating speech in noise is one of the greatest challenges and most desired outcomes for people purchasing hearing instruments The majority of hearing instrument manufacturers offer sophisticated...

Page 19: ...ded under this warranty is the sole and exclusive remedy of the purchaser MedRx shall not be liable for any consequential or incidental damages or for breach of any express or implied warranty Except...

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