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Operating Instructions

Hearing Instrument

WH-416KZ
WH-412LZ

WH-409MZ

The information contained in this manual is important for safe
and reliable operation. Anyone who will handle, maintain, store,
or dispose of your hearing aid should read this document.

The Limited Warranty document is enclosed together in the package. Keep it in a secure place. Make sure that it is
properly completed, signed with the authorized dispenser’s name, and filled in with date of original purchase, name
of dispenser and other important information.

The difference among the three models (WH-416KZ, WH-412LZ, WH-409MZ) is only additional installed circuit as
described in Page 37 of this document; otherwise the same.

Carefully read and thoroughly understand this entire document before attempting to set up and operate the hearing aid.
Failure to follow the operating instructions may result in poor performance of the hearing aid or even cause permanent
damage to the user. Keep this document for future reference. If you have any questions, consult the dispenser where
you purchased your hearing aid.

YAH416KZA-1          (1/44)

Summary of Contents for WH-409MZ

Page 1: ...it in a secure place Make sure that it is ed in with date of original purchase name Z is only additional installed circuit as mpting to set up and operate the hearing aid of the hearing aid or even cause permanent ny questions consult the dispenser where YAH416KZA 1 1 44 ...

Page 2: ... nents contact your dispenser onents type eartip Size S M L QTY 1 of each size ver unit QTY 1 rated with the main unit ng case QTY 1 midifier QTY 1 guard QTY 2 cement tool QTY 1 other sizes of eartips than the one to be used our hearing aid will be kept at your dispenser entation ting Instructions d Warranty Tips YAH416KZA 1 2 44 ...

Page 3: ...cautions 7 ructions 14 Maintenance 17 on the Hearing Instrument 23 off the Hearing Instrument 23 g the Hearing Instrument 24 elephone 24 y and Friends Can Help 31 oting Guide 32 ce 33 ons 37 n 38 and Customer Service 41 YAH416KZA 1 3 44 ...

Page 4: ... programmed and d by the dispenser on an individual basis priate hearing aid setting may cause e to the ears of your customers If you y questions about fitting contact the nic sales division below ny name onic Corporation of North America h Care Group s anasonic Way 1H 6 Secaucus NJ 07094 one No 422 6309 YAH416KZA 1 4 44 ...

Page 5: ...period of time minal fee after which you may decide nt to purchase the hearing aid aw restricts the sale of hearing aids ndividuals who have obtained a evaluation from a licensed physician aw permits a fully informed adult to aiver statement declining the medical n for religious or personal beliefs lude consultation with a physician cise of such a waiver is not in your th interest and its use is s...

Page 6: ...s YAH416KZA 1 6 44 ...

Page 7: ... d contain important differences e as follows s situation that could result in ch if not avoided may result in so used to alert against unsafe erty damage ot permitted and an instruction ttention consult CCOMPANYING DOCUMENT YAH416KZA 1 7 44 ...

Page 8: ...ard and possible internal injury To prevent accidental ingestion secure batteries in a safe place where hey are not accessed by infants small children and pets Dispose of used batteries immediately owed call the 24 hour National Battery Ingestion Hotline collect at 625 3333 Seek medical attention YAH416KZA 1 8 44 ...

Page 9: ...r examined by a d physician or get a hearing tion from a hearing ment specialist or an ogist If the wrong type of a hearing aid is selected or a hearing aid is used in an improper manner it can cause ear or hearing damage CAUTION YAH416KZA 1 9 44 ...

Page 10: ...g Have your hearing aid ed to your individual needs e that you position the rrectly ert the fresh battery with the plus side Inserting a battery with the positive d negative terminals mixed up may ult in a burst or leak which can cause ury or damage to the unit YAH416KZA 1 10 44 ...

Page 11: ...nd rough burrs protruding from the urface of the hearing instrument an cause cuts and nicks to the skin aning your hearing aid wipe it th a soft cloth Never use organic such as alcohol paint thinner or Failure to heed this caution may deformation of the hearing nt or cracking on the surface YAH416KZA 1 11 44 ...

Page 12: ...ich can result in hearing damage d of electromagnetic treatment such mputerized Axial Tomography CAT CG Short Wave Diathermy or other om surveillance systems radio hearing aid They could however in the hearing aids YAH416KZA 1 12 44 ...

Page 13: ... in d do not allow it to get wet herwise it may short circuit and come damaged e any other receiver unit e of another type of receiver unit t is not provided by your penser may generate loud und which can damage hearing YAH416KZA 1 13 44 ...

Page 14: ...o not drop hit or shake the mperatures moisture humidity and dust the hearing aid in the shower or swimming dryer or microwave oven to dry the hearing aid h the hearing aid with wet hands hair spray while wearing the hearing aid he hearing aid on wet hair the hearing aid in the kitchen bathroom a r in any place where it will be subjected to ht or high temperatures e g heater a car irect sunlight i...

Page 15: ...15 Before Use YAH416KZA 1 15 44 ...

Page 16: ...attery gets wet it may not operly If it occurs wipe the battery with a h tack zinc air batteries to prevent short circuit tore or carry the battery with metal jewelry ts such as coins nails screws or hair pins expose the battery to moisture or rain Air battery absorbs Carbon Dioxide from osphere resulting in its short life span e the battery near a gas heater or a e stove ventilate the room proper...

Page 17: ... dispenser n Before cleaning om the receiver y soiled wash it off with eartip is completely dry ent d out of the receiver the he head of the receiver logged it needs to be acement tool dedicated to f your hearing instrument er your dispenser Receiver Receiver Wax guard Eartip YAH416KZA 1 17 44 ...

Page 18: ...ill be consumed quickly as its chemicals tend to dry out Do not place the battery inside the dehumidifier case or expose to dry environments which may significantly shorten the battery service life time See Page 25 To prevent the battery from being drained read and understand usage and maintenance of Zinc Air battery in Page 16 YAH416KZA 1 18 44 ...

Page 19: ...19 Before Use y r y Put your hearing instrument in the dehumidifier and fasten the lid to the dehumidifier 3 Sponge Lid Desiccant pack Dehumidifier case YAH416KZA 1 19 44 ...

Page 20: ...oving Zinc Air Battery Page 21 ng the Hearing Instrument Page 22 g on the Hearing Instrument Page 23 g off the Hearing Instrument Page 23 ing the Hearing Instrument Page 24 c operation flow YAH416KZA 1 20 44 ...

Page 21: ...ious damage If you keep the battery door shut the switch remains turned on which can result in a high pitched squeal or feedback Turn the switch off before wearing the hearing instrument See Page 23 You can set up the amount of time until audio output gets fully activated after closing the battery door For more information contact your dispenser YAH416KZA 1 21 44 ...

Page 22: ... in your ear 2 Gently insert the eartip into the ear canal Then softly press the receiver unit into place with your fingertip If you push the eartip too inward toward the eardrum you can cause damage to the ear YAH416KZA 1 22 44 ...

Page 23: ...23 Operations ry door is not open enough the trument may remain on ng off the Hearing Instrument the battery door until it clicks Off YAH416KZA 1 23 44 ...

Page 24: ...e oo close to the microphone a high pitched or feedback can be caused To avoid this me distance between the telephone both and mobile and the microphone itched noise can be caused if a GSM mobile s used If this occurs place the mobile n a position where the noise decreases Microphone YAH416KZA 1 24 44 ...

Page 25: ...ided as an option as well p does not fit your ear or you have ms with your eartip contact your our dispenser for replacement of the d type eartip might make your ear ounds are muffled or the sound too low Before using the closed type sure to consult your dispenser e Closed type YAH416KZA 1 25 44 ...

Page 26: ...to ask your dispenser e the tube down against the hole he eartip attached to the er down into the drilling ntil it is securely in place ing case for rtip YAH416KZA 1 26 44 ...

Page 27: ...ull out the If the eartip is not firmly attached to the receiver it may come off and remain in the ear If this occurs never try to remove it yourself Consult your physician immediately Seeking prompt medical care is important to avoid possible complications If the eartip gets torn never use it CAUTION YAH416KZA 1 27 44 ...

Page 28: ... be clogged ty Replace it with a new one 4 5 ax Push the new wax guard fixed at step No 1 down into the head of the receiver in place Pull out the tool so the new wax guard is held in place securely into the head of the receiver YAH416KZA 1 28 44 ...

Page 29: ...dispenser H 04KZF1L1A WH 04KZF1L2A WH 04KZF1L3A ee Page 21 e plug into the main unit placing the pitted of the plug of the receiver unit into the ne of the main unit until it snaps into place Plug Pitted portion of the plug Centerline of the main unit YAH416KZA 1 29 44 ...

Page 30: ...o adjust to the amplified sound ess of sounds and their sources as described should become accustomed to the amplified o TV n the olume as 4 Talk with several people 4 5 in a quiet environment YAH416KZA 1 30 44 ...

Page 31: ...e words are understand If the person s reply doesn t make sense repeat what you said with different words rtant Family members and friends can feel helpless not being able to encing and help prevent them from being The more practice and experience they hearing aid The following strategies can YAH416KZA 1 31 44 ...

Page 32: ...ctive action Workaround e eartip into your ears properly If you eel the eartip fit consult your dispenser t best suited to your ear shape the battery your dispenser to clean the eartip your dispenser to have the wax guard d the battery e battery door completely the battery he battery correctly Page 22 21 17 28 21 23 21 21 YAH416KZA 1 32 44 ...

Page 33: ...07 Erratum ry current drain saturation output rage full on gain e level se rtion teristics 0 75 mA 107 dB SPL 105 dB SPL 41 dB 28 5 dB 200 Hz 5 300 Hz 25 dB 500 Hz 1 5 800 Hz 1 5 1 600 Hz 1 5 Attack time 10 ms Release time 300 ms ed YAH416KZA 1 33 44 ...

Page 34: ...o ANSI S3 22 2003 Includes April 2007 Erratum urve Saturation output d Full on gain response curve YAH416KZA 1 34 44 ...

Page 35: ...35 Reference ANSI S3 22 2003 Includes April 2007 Erratum y response curve YAH416KZA 1 35 44 ...

Page 36: ...o ANSI S3 22 2003 Includes April 2007 Erratum ut output characteristics utput curve YAH416KZA 1 36 44 ...

Page 37: ...37 Reference unit 601 1 2003 R6 03 YAH416KZA 1 37 44 ...

Page 38: ...ymbol for HANDLE WITH CARE ymbol for THIS WAY UP ymbol for STACKING LIMIT BY NUMBER he international recycling symbol ymbol for Zinc air battery YAH416KZA 1 38 44 ...

Page 39: ...ations Many states have n place requiring some form of ling The regulations of some states recycling for certain types of erent than other states If you are es outside the United States other regulate waste based on different irm the status of batteries in the e disposal occurs YAH416KZA 1 39 44 ...

Page 40: ...ur hearing aid YAH416KZA 1 40 44 ...

Page 41: ...41 Reference rvice r and other important information earest dispenser by visiting our YAH416KZA 1 41 44 ...

Page 42: ...YAH416KZA 1 42 44 ...

Page 43: ...43 Reference YAH416KZA 1 43 44 ...

Page 44: ...Printed in Japan S0510 10610 YAH416KZA 1 2010 06 15 YAH416KZA 1 44 44 ...

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