Widex TV-DEX User Instructions
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Widex TV-DEX User Instructions

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USER INSTRUCTIONS
TV-DEX

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  • Page 1 USER INSTRUCTIONS TV-DEX...

  • Page 3: Table Of Contents

    CONTENTS PACKAGE CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 DESCRIPTION OF DEVICE .
  • Page 4 CARING FOR YOUR TV-DEX . . . . . . . . . . . . . . . . . .

  • Page 5: Package Contents

    PACKAGE CONTENTS User manual TV-Controller Box 1: Mini USB power supply...
  • Page 6 Box 2: Lanyard Box 3: a. 3.5 mm jack to 3.5 mm jack cable b. 3.5 mm jack to phono cable Box 4: a. TV-Base b. SCART adaptor (For European markets only)

  • Page 7: Description Of Device

    The TV-DEX comprises a TV-Controller (1) and a TV-Base (2) . 1 . TV-Controller 2 . TV-Base The TV-DEX allows the user to listen to audio input using WidexLink for connection to Widex hearing aids . If you need help to identify the serial number (usually six or seven digits)
  • Page 8 This booklet contains important information and instructions . Please read this booklet carefully before you start using the device . Intended use The TV-DEX is a wireless device intended for listening directly to the TV or other audio sources .

  • Page 9: Tv-Controller

    TV-CONTROLLER The controller is provided with four keys: 1 . Transmission on/off 2 . Room off 3 . Volume up 4 . Volume down...

  • Page 10: Tv-Base

    TV-BASE On the back of the base you will find the following inputs: 1 . Power 2 . TV 3 . Audio On the underside of the base there is a switch with a choice of two settings:...
  • Page 11 1.HEARING AID 2.HEARING AIDS 1 . Monaural/binaural switch The setting chosen by your hearing care professional depends on whether you use a hearing aid in only one ear (monaural) or in both ears (binaural) .

  • Page 12: Light-Emitting Diodes

    LIGHT-EMITTING DIODES There are two light-emitting diodes (LEDs) on the controller . 1 . Constant green light: Transmission 2 . Changing from green to red: Transmission off 3 . Constant red light: Room off active 4 . Flashing red and green light: Battery charging...

  • Page 13: Getting Started

    GETTING STARTED You can skip steps 5+6 if you only wish to transmit from the TV, and steps 3+4 if you only wish to transmit from an audio source . Connecting the units: Connect the mini-USB power supply unit to the base . (The supply unit is available in four versions .
  • Page 14 3a . Connect the jack to phono cable to the base . 4a . Plug the two phono connectors at the other end of the cable into AUDIO OUT on the TV . Please refer to the user guide for your TV for further details .
  • Page 15 POWER TV AUDIO 4a . 3a .
  • Page 16 For European markets only: If the TV has no AUDIO OUT, a SCART adaptor should be used: 3b . Connect the phono connectors to the two terminals on the included SCART adaptor (red to red and white to white) . 4b .
  • Page 17 4b . 3b .
  • Page 18 Audio: Plug the jack to jack cable into the audio input on the base . Connect the other end to the audio source (e . g . a stereo system) . POWER TV AUDIO...
  • Page 19 Place the controller in the base and allow it to charge for eight hours (the first time) .

  • Page 20: When Using More Than One Tv-Base

    When using more than one tv-base If you only have one base, this base is automatically selected the first time you charge the controller in the base . If you have more than one base, you can change between these by placing the controller in the base you wish to use for approx .

  • Page 21: Usage

    USAGE When appropriate, the TV controller may be attached to the lanyard in your package contents to wear around the neck as a convenience . Up to 30 ft / 10 m...
  • Page 22 WARNING Interference with active Implants • In order to show caution, we advise to follow the guidelines recom- mended by manufacturers of defibrillators and pacemakers regard- ing use of cell phones: • If you wear an active implantable device keep the Wireless Hearing Aids and Hearing Aid Accessories such as wireless devices or com- municators at least 15 cm/6 inches away from the implant .

  • Page 23: Instructions For Lanyard Usage

    INSTRUCTIONS FOR LANYARD USAGE Place the controller in the plastic holder at the end of the lanyard as illustrated .
  • Page 24 WARNING The breakaway buckle of the lanyard must be positioned at the back of your neck (1) .

  • Page 25: Transmission

    TRANSMISSION With either TV or audio connected • Press the transmission on/off key on the controller once to start transmitting from the connected source . An acoustic signal will sound in your hearing aids, and the transmission LED will turn green . •...
  • Page 26 • Press the key a third time to stop transmission . The hearing aids will enter the Master program, as indicated by a voice message or beep tones . The green LED will change briefly to red and then off .
  • Page 27 If you carry your controller around with you and move outside the operating range, transmission will be interrupted and your hear- ing aids will switch to the Master program . The LED will flash at slow intervals to indicate that transmission has been interrupted . The change will be indicated by a voice message .

  • Page 28: Adjusting The Volume

    Adjusting the volume Press the volume up key to raise the volume of the transmitted TV or audio sound . Press the volume down key to lower the volume . DOWN Mute You can mute the transmitted TV or audio sound on the TV or audio source .

  • Page 29: Room Off

    Room off If you wish to turn the hearing aid microphones off during transmission, so that you only hear the transmitted sound, press the room on/off key once . To turn the microphones back on, press again . An acoustic indicator will sound in your hearing aids, and the red LED will turn off .

  • Page 30: Recharging The Battery

    . When the battery runs low, transmission is interrupted . To recharge the battery, place the controller in the base for approximately 4 hours . You can also recharge the battery using an appropriate USB power supply supplied by Widex .
  • Page 31 WARNING Do not attempt to change the battery . Contact your hearing care professional .

  • Page 32: Caring For Your Tv-Dex

    CARING FOR YOUR TV-DEX The device is a valuable object and should be treated with care . Here are some things you can do to prolong the life of your device: WARNING • Do not expose the device to extreme temperatures or high humidity .
  • Page 33 CAUTION • Clean the device with a soft cloth . Never clean it with acids, alcohol, strong detergents or other liquids . • Avoid dropping the device . • It is not recommended to keep your cell phone/PDA within close proximity of the device e .g .
  • Page 34 WARNING • Do not carry your device with you during X-rays, MRIs and other scans or radiation treatments and never place your device in a mi- crowave oven . These are some of the types of radiation that can damage your device . •...

  • Page 35: Warnings

    WARNINGS WARNING • Keep the TV-DEX and its parts and accessories out of reach of chil- dren and anyone else who might swallow parts of the device, or oth- erwise cause injury to themselves with these items . In case of ingestion, contact a physician immediately .
  • Page 36 CAUTION • Although your device has been designed to comply with the most stringent international electromagnetic compatibility standards, the possibility cannot be excluded that it may cause interference with other equipment, such as medical devices .
  • Page 37 WARNING Interference with active Implants • In order to show caution, we advise to follow the guidelines recom- mended by manufacturers of defibrillators and pacemakers regard- ing use of cell phones: • If you wear an active implantable device keep the Wireless Hearing Aids and Hearing Aid Accessories such as wireless devices or com- municators at least 15 cm/6 inches away from the implant .

  • Page 38: Safety Warning

    • The power supply must have the certification marks showing certification by a safety agency acceptable in your region . Widex strongly recommends that you always use a power supply unit that is supplied by your Widex Distributor to ensure safe and efficient use of your TV-DEX .

  • Page 39: Troubleshooting

    TROUBLESHOOTING Problem Potential cause Solution Your TV-Controller The battery is exhausted Charge the battery does not work Base has not been Place the TV-Controller in selected the TV-Base for at least 5 seconds The battery needs Contact your hearing replacement care professional The green diode The jack plug for tv or...
  • Page 40 Problem Potential cause Solution No transmitted TV/audio source is not Switch TV/audio source on sound even if the switched on green diode is Sound source and TV- Connect the sound source turned on Base are not properly and TV-Base as shown on connected pages 14, 16, 16 Transmission...
  • Page 41 Problem Potential cause Solution Volume of TV-Base is not connected Connect the TV-Base to transmitted sound to the correct output the correct TV/audio changes when you output . Please refer to the adjust the volume user instructions for the of the sound TV/audio source .

  • Page 42: Regulatory Information

    REGULATORY INFORMATION The following Table summarizes the technical details of the WidexLink tech- nology as it is implemented in the TV-DEX. Unit TV-Controller TV-Base Hearing aids Type Radio 2 Radio 1 Radio 1 Radio 2 Antenna type Inductive Planar PCB F...
  • Page 43 Center 10 . 6 MHz 2 . 4 5GHz ISM 2 . 4 5GHz ISM 10 . 6 MHz frequency Channels Single channel 17 logical 17 logical Single channel radio channels channels radio Bandwidth 660kHz 2 MHz 2 MHz 660kHz (-15dB) (-15dB) Data rate 212kbit/s raw...
  • Page 44 Synchronization of volume control setting between hearing aids – The vol- ume in both hearing aids will change when the VC is adjusted on one ear. Synchronization of listening programs between hearing aids – The same lis- tening program is used in both hearing aids when one is changed by the user.
  • Page 45 • Acute or chronic dizziness • Sudden unilateral hearing loss in previous 90 days The TV-DEX contains radio transmitters / receivers with the following TV-BASE radio transmitter parameters: • Frequency (range): 2 .45 GHz (2 .4 – 2 .5 GHz) •...
  • Page 46 TV-CONTROLLER radio 1 transmitter parameters: • Frequency (range): 2 .45 GHz (2 .4 – 2 .5 GHz) • Bandwidth: 2 MHz • Channel: 17 logical channels • Modulation: GFSK • Radiated output power: 2 .5 mW / +4 dBm • Magnetic field strength: N/A •...
  • Page 47 The radio receivers in the TV-BASE and TV-CONTROLLER are using the same frequency and bandwidth as the corresponding transmitter. Cables and transducers: The TV-BASE is using a standard 3.5 mm jack to 3.5 mm jack or phono to 3.5 mm jack cable for audio input signal.
  • Page 48 Quality of Service for Wireless Technology in the WidexLink System WidexLink wireless technology enables communication between two part- ners of a binaural pair of Widex wireless hearing aids and with their matched external devices. The requirements for the quality of service (QoS) vary among the various components and their intended user scenarios.
  • Page 49 • A built-in pairing table which specifies valid and legitimate pairing among units • A proprietary Widex communication protocol which checks the pack- age numbers during each transmission . • A Cyclic Redundancy Check (CRC) to check data validity and correct...
  • Page 50 Guidance and manufacturer’s declaration Electromagnetic emissions The TV-DEX is intended for use in the electromagnetic environment specified below. The customer or the user of a TV-DEX should assure that it is used in such an environment. Emissions test Compliance Electromagnetic...
  • Page 51 RF emissions Class B The TV-DEX is suitable for use in all CISPR 11 establishments, including domestic establishments and those directly Harmonic emissions TV-BASE: connected to the public low-voltage IEC 61000-3-2 Class A power supply network that supplies TV-CONTROLLER: buildings used for domestic Not applicable *) purposes .
  • Page 52 Electromagnetic immunity The TV-DEX is intended for use in the electromagnetic environment specified below. The customer or the user of a TV-DEX should assure that it is used in such an environment. Immunity Test IEC 60601 Compliance level Electromagnetic Test level environment –...
  • Page 53 Electrical fast Mains power quality ± 2 kV for TV-BASE: transients/burst should be that of a power line ± 2 kV for power IEC 61000-4-4 typical commercial or supplies line supplies hospital environment . ± 1 kV for input/ ± 1 kV for input/ output lines output lines TV-CONTROLLER:...
  • Page 54 ) for 25 reductions interruptions, it is cycles TV-CONTROLLER: recommended that the <5 % U (>95 % Not applicable *) TV-DEX be powered dip in U ) for 5 s from an uninterruptable power supply . Power frequency Power frequency 3 A/m...
  • Page 55 Electromagnetic immunity – cont. The TV-DEX is intended for use in the electromagnetic environment specified below. The customer or the user of a TV-DEX should assure that it is used in such an environment. Immunity IEC 60601 Compli-ance Electromagnetic environment...
  • Page 56 √ Radiated 3 V/m 3 V/m d = 1 .2 P 80 MHz to 800 MHz √ 80 MHz to d = 2 .3 P 800 MHz to 2 . 5 GHz 2 . 5 GHz where P is the maximum output power 61000-4-3 rating of the transmitter in watts (W) according to the transmitter manufac-...
  • Page 57 . If the measured field strength in the location in which the TV-DEX is used exceeds the applicable RF compliance level above, the TV-DEX should be observed to verify normal operation . If abnormal performance is observed, additional measures may be necessary, such as re- orienting or re-locating the TV-DEX .
  • Page 58 NOTE 2 These guidelines may not apply in all situations . Electromagnetic propagation is affected by absorption and reflection from structures, objects and people . This TV-DEX may be interfered with by other equipment even if that other equipment complies with CISPR emission requirements.
  • Page 59 (EMI/EMC Compliance). The TV-DEX complies with the following EMC/EMI standards: Standard Test type Note 47 CFR Part 15, RF emissions USA Federal Communications subpart C Commission (FCC) requirements for intentional radiators . EN 300 330-2 RF emissions EMC and radio spectrum matters for V1 .
  • Page 60 Important notice for prospective hearing aid users Good health practice requires that a person with a hearing loss have a med- ical evaluation by a licensed physician (preferably a physician who specializ- es in diseases of the ear) before purchasing a hearing aid. Licensed physi- cians who specialize in diseases of the ear are often referred to as otolaryn- gologists, otologists, or otorhinolaryngologists.
  • Page 61 If you have reservations about your ability to adapt to amplification, you should inquire about the availability of a trial-rental or purchase-option pro- gram. Many hearing aid dispensers now offer programs that permit you to wear a hearing aid for a period of time for a nominal fee after which you may decide if you want to purchase the hearing aid.
  • Page 62 FCC ID: TTY-TVB FCC ID: TTY-TVC IC: 5676B-TVB IC: 5676B-TVC Federal Communications Commission Statement This device complies with part 15 of the FCC Rules . 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 undesired operation .
  • Page 63 radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications . However, there is no guarantee that interference 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 encouraged to try to correct the interference by one or more of the following...
  • Page 64 . This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter . Changes or modifications to the equipment not expressly approved by Widex could void the user’s authority to operate the equipment .
  • Page 65 Industry Canada Statement / Déclaration d’industrie Canada Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada . To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e .i .r .p .
  • Page 66 Conformément à la réglementation d’Industrie Canada, le présent émetteur radio peut fonctionner avec une antenne d’un type et d’un gain maximal (ou inférieur) approuvé pour l’émetteur par Industrie Canada . Dans le but de réduire les risques de brouillage radioélectrique à l’intention des autres utilisateurs, il faut choisir le type d’antenne et son gain de sorte que la puissance isotrope rayonnée équivalente (p .i .r .e .
  • Page 67 Directive 1999/5/EC Hereby, Widex A/S declares that the TV-Controller and TV-Base are in compliance with the essential requirements and other rele- vant provisions of Directive 1999/5/EC . A copy of the Declaration of Conformity according to 1999/5/EC can be found at:...
  • Page 68 Electrical and electronic equipment (EEE) contains materials, components and substances that can be hazardous and present a risk to human health and the environment when waste electrical and elec- tronic equipment (WEEE) is not handled correctly . Do not dispose of hearing aids, hearing aid accessories and bat- teries with ordinary household waste .

  • Page 69: Symbols

    SYMBOLS Symbols commonly used by Widex A/S in medical device labelling (labels/IFU/etc .) Symbol Title/Description Manufacturer The product is produced by the manufacturer whose name and address are stated next to the symbol . If ap- propriate, the date of manufacture may also be stated .
  • Page 70 Symbol Title/Description Catalog number The product’s catalog (item) number . Serial number The product’s serial number . * Keep away from sunlight The product must be protected from light sources and/or The product must be kept away from heat Keep dry The product must be protected from moisture and/or The product must be kept away from rain Lower limit of temperature...
  • Page 71 Symbol Title/Description Upper limit of temperature The highest temperature to which the product can be safely exposed . Temperature limits The highest and lowest temperatures to which the prod- uct can be safely exposed . Consult instructions for use The user instructions contain important cautionary infor- mation (warnings/precautions) and must be read before using the product .
  • Page 72 Symbol Title/Description CE mark The product is in conformity with the requirements set out in European CE marking directives . Alert The product is identified by R&TTE Directive 1999/5/EC as an equipment Class 2 product with some restrictions on use in some CE member states . C-Tick mark The product complies with EMC and radio spectrum regu- latory requirements for products supplied to the...
  • Page 76 WIDEX A/S Nymoellevej 6, DK-3540 Lynge, Denmark www.widex.com Manual no.: 5qr0q3|;;fa;f] 9 514 0130 041 #05 Issue: 2015-06 CIB201/1214...

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