Widex M-DEX User Instructions
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Widex M-DEX User Instructions

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Summary of Contents for Widex M-DEX

  • Page 1 USER INSTRUCTIONS M-DEX...

  • Page 2: Package Contents

    PACKAGE CONTENTS M-DEX User instructions Lanyard Charger Jack-to-jack cable...

  • Page 3: Table Of Contents

    M-DEX OVERVIEW ........7...
  • Page 4 IN CASE OF MALFUNCTION......53 CARING FOR YOUR M-DEX ......55 WARNINGS.

  • Page 5: Symbols

    SYMBOLS The following symbols will be used throughout the manual: WARNING Messages with this heading indicate adverse reactions, potential safety hazards or inadequate device perform- ance. CAUTION Messages with this heading indicate/include informa- tion regarding any special care to be exercised. Non-ionizing radiation.

  • Page 6: Your New M-Dex

    YOUR NEW M-DEX Your M-DEX is part of the DEX™ family of assistive lis- tening devices. These user instructions explain how the M-DEX should be operated. WARNING This booklet contains important information and instructions. Please read this booklet care fully before you start using the de- vice.

  • Page 7: M-Dex Overview

    M-DEX OVERVIEW 1. On/off 2. Yes (green) 3. No (red) 4. Volume up 5. Volume down 6. Previous 7. Next 8. Menu 9. Room Off 10. FreeFocus 11. Microphone...

  • Page 8: Status Icons

    STATUS ICONS When the M-DEX is turned on, you can see the battery, Bluetooth and Room Off status in the upper right cor- ner of the start screen. BATTERY STATUS Full BLUETOOTH (blue=connected, grey=on (but not connected), icon not visible=off)

  • Page 9: Room Off

    ROOM OFF (Icon shown only if feature is active). OPERATING RANGES From the M-DEX to the hearing aids When using it as a remote control up to 1 meter/3 feet With mobile phones, Bluetooth and up to 50 cm/1½ feet transmitted audio input, incl.

  • Page 10: Lanyard Usage

    LANYARD USAGE If you wish to wear the M-DEX around your neck, place it in the plastic holder at the end of the lanyard provided, as illustrated.
  • Page 11 (Risks) The use of the CLEAR/DEX should not interfere with other devices such as a pacemaker. However, to be extra cautious, Widex follows the guidelines recommended by the manufacturers of implantable defibrillators and pacemakers for their patients when using mobile phones. Specifically, hearing aid wearers who also use a pacemaker should •...

  • Page 12: Getting Started

    GETTING STARTED CHARGING THE BATTERY The M-DEX uses a rechargeable battery. When fully charged, the battery has a capacity of approx. 5 hours of continuous use (when on standby, the battery will last approximately three days. If Bluetooth is turned on, this period will be considerably reduced).
  • Page 13 It takes approximately 6 hours to charge the battery the first time. Allow the battery to charge for the full six hours, even if the “battery full” icon appears. Recharging takes approx. 3 hours, depending on whether the device is turned on or off. WARNING Do not attempt to change the battery yourself.

  • Page 14: Turning On The M-Dex

    Push the slide button on the right side upwards. Note The icons and screens in your M-DEX will depend on how it has been configured by the hearing care professional in coopera- tion with you. Your dispenser will have matched the M-DEX with your hearing aids.

  • Page 15: Turning Off The M-Dex

    The program in position number 1 (usually Master) is displayed. TURNING OFF THE M-DEX To turn the M-DEX off Push the slide button on the right side of the M-DEX downward.

  • Page 16: Standby Screen

    STANDBY SCREEN To save power, the M-DEX screen will automatically enter standby mode when it has not been used for 10 seconds. To leave standby mode Use any key except the on/off button. If the other keys are locked, you can use the “No” key to leave standby...

  • Page 17: Manual Keylock

    MANUAL KEYLOCK You can activate the keylock from any program screen. To activate the keylock Press No ➞ Menu To deactivate the keylock Press No ➞ Menu For information on automatic keylock, see page 49.

  • Page 18: Basic Functions - Remote Control

    The order of the pro- grams is the same as in your hearing aid. The M-DEX always starts up in the program which has been chosen as program number 1 by you and your...
  • Page 19 To navigate through the available programs Press  or  Every time you press one of the arrows, an icon repre- senting the active program is displayed.

  • Page 20: Adjusting The Volume

    The binaural volume adjustment closes automatically after a few seconds. To close it manually, press the No key. Changing to another program or turning the M-DEX off will cancel any volume adjustment. If you adjust the volume on the hearing aid’s volume control, this adjustment will not be copied into the M-DEX.

  • Page 21: Choosing Listening Focus

    To adjust the volume of your two hearing aids separate- ly, see “Advanced functions”. CHOOSING LISTENING FOCUS The FreeFocus feature allows you to focus on sound from a specific direction with your hearing aids. Press the FreeFocus key The FreeFocus key lights up to indicate that FreeFocus is activated.
  • Page 22 To focus on sound from the right Press  ➞ Menu To focus on sound from the left Press  ➞ Menu When you choose a setting and lock it by pressing Menu, a check mark confirms your choice. You can “un- lock”...
  • Page 23 To adjust the volume in FreeFocus First, choose the direction of focus and lock the setting. Then use the same procedure as for the hearing aids’ listening programs. To deactivate FreeFocus Press the FreeFocus key...

  • Page 24: Room Off

    ROOM OFF Activating ‘Room Off’ turns the hearing aid micro- phones off. This allows you to use the feature to listen directly to transmitted audio sound without interfer- ence from surrounding sounds, or as a mute function with your normal listening programs (e.g. Master). To activate Room Off Press the Room Off key.

  • Page 25: Basic Functions - Mobile Phone

    BASIC FUNCTIONS – MOBILE PHONE PAIRING THE M-DEX WITH YOUR MOBILE PHONE When you use the M-DEX with your mobile phone for the first time, you will need to pair the two devices. 1. Turn on Bluetooth on your mobile phone.
  • Page 26 2b. Press  or  until you reach Settings. Press Menu ➞ Menu.
  • Page 27 If Bluetooth is not already turned on, this screen will be displayed. 2c. Press the Menu key to turn on BT. This screen is displayed. 3. On your mobile phone, search for new devices. Refer to the user instructions for your phone to see how to do this.
  • Page 28 4. When the M-DEX is found on the mobile phone, pair the two devices. To do this: 4a. Press  or  to go to pairing 4b. Press the Menu key 4c. Press the Menu key again to start pairing. You can follow the progress on the screen.

  • Page 29: Mobile Phone Conversations Via The M-Dex

    NOTE The next time you want to use M-DEX with your mobile phone, make sure that Bluetooth is turned on in both units. Please note that using the devices with Bluetooth turned on will significant- ly increase their battery consumption.

  • Page 30: Accept Or Reject Call

    ACCEPT OR REJECT CALL When you receive a call, you will hear your mobile phone ringing, and if the M-DEX is within range of your hearing aids, you will also hear a tone in these. You can choose to accept or reject the call by selecting “Yes” or...

  • Page 31: End Call

    To make an outgoing call Dial the telephone number on your mobile phone and use the M-DEX as described on page 29. USING THE CALL LOG TO MAKE A CALL To make a call to one of the last five numbers registered...

  • Page 32: Transfer Call

    The transfer function allows you to transfer the call back to the mobile phone. To transfer a call to the mobile Press Transfer ➞ Yes A check mark confirms your choice. Turning off your M-DEX will also transfer the call back to the mobile phone.

  • Page 33: Hands-Free Operation

    (Risks) The use of the CLEAR/DEX should not interfere with other devices such as a pacemaker. However, to be extra cautious, Widex follows the guidelines recommended by the manufacturers of implantable defibrillators and pacemakers for their patients when using mobile phones. Specifically, hearing aid wearers who also use a pacemaker should •...

  • Page 34: Other Functions

    OTHER FUNCTIONS ADJUSTING THE VOLUME You can adjust the volume during a telephone conver- sation. To access the volume bars Press  or  To increase or decrease the volume Press  or  ROOM OFF You can also use the Room Off function during phone conversations.

  • Page 35: Advanced Functions

    When you leave these functions, you will return to program 1. * The M-DEX must be within a range of 50 cm/1½ feet of the hearing aids.

  • Page 36: Bluetooth

    BLUETOOTH The Bluetooth menu is only available (indicated by a blue colour) if Bluetooth is activated in your M-DEX and this is connected to a Bluetooth unit. Otherwise it will be greyed out.
  • Page 37 (Risks) The use of the CLEAR/DEX should not interfere with other devices such as a pacemaker. However, to be extra cautious, Widex follows the guidelines recommended by the manufacturers of implantable defibrillators and pacemakers for their patients when using mobile phones. Specifically, hearing aid wearers who also use a pacemaker should •...
  • Page 38 To start transmission: Press the Menu key. On some personal audio devices, e.g. telephones, the music player may need to be acti- vated before it can play music. In the default Bluetooth setting, the hearing aid emphasizes Music. To optimize it for Speech instead, use ...

  • Page 39: Audio Input

    Audio input screen will automatically be displayed. The Audio input menu is only available (indicated by a blue colour) if the M-DEX and the audio source are con- nected by a jack-to-jack cable.
  • Page 40 (Risks) The use of the CLEAR/DEX should not interfere with other devices such as a pacemaker. However, to be extra cautious, Widex follows the guidelines recommended by the manufacturers of implantable defibrillators and pacemakers for their patients when using mobile phones. Specifically, hearing aid wearers who also use a pacemaker should •...
  • Page 41 To start transmission: Press Menu. In the default Audio input setting, the hear- ing aid is optimized for Music. To optimize it for Speech instead, use  or . To confirm a new setting Press the Menu key To leave Audio Input Press No ➞...

  • Page 42: L/R Volume

    L/R VOLUME This function is used if you wish to adjust the volume of your two hearing aids separately. Press the Menu key To select which hearing aid to adjust the volume Use  or  to choose left or right, respectively.
  • Page 43 To adjust the volume up and down Use  or  To leave L/R volume Press No ➞ No When you leave this pop-up screen, the volume in the hearing aids will be set to default level.

  • Page 44: M-Dex T

    M-DEX T This option allows you to take advantage of teleloop systems even if you do not have a telecoil in your hear- ing aid. If your hearing aid is provided with a telecoil program, we recommend using this, for optimum per-...
  • Page 45 (Risks) The use of the CLEAR/DEX should not interfere with other devices such as a pacemaker. However, to be extra cautious, Widex follows the guidelines recommended by the manufacturers of implantable defibrillators and pacemakers for their patients when using mobile phones. Specifically, hearing aid wearers who also use a pacemaker should •...
  • Page 46 To change the volume from the M-DEX T screen Press Menu and  or  To leave M-DEX T Press No ➞ No...

  • Page 47: Settings

    SETTINGS Pressing the Menu key gives you access to the following menu items: 1. Bluetooth Settings 2. Automatic Keylock 3. Vibrating Alert 4. Reset Bluetooth 5. Short-term Log 6. Reset To select a menu item Press  or  to go to the desired item.
  • Page 48 You can also perform Bluetooth pairing. Bluetooth pairing See page 25. To go back to the menu Press No. Note Please note that using the M-DEX and mobile phone with Blue- tooth turned on will significantly increase their battery con- sumption.
  • Page 49 Automatic keylock This function helps you avoid pressing a key acciden- tally, for example if you have your M-DEX in your pock- If this function has been enabled, the M-DEX keys will automatically lock when the screen enters standby mode.
  • Page 50 Vibrating alert If you have chosen a Silent profile in your mobile phone, the vibrating alert will alert you when you receive a call. To turn the vibrating alert on or off Press the Menu key To go back to the Menu Press No Reset Bluetooth This function allows you to delete previous Bluetooth...
  • Page 51 Short-term Log If you experience difficulties in a specific listening situ- ation, this feature allows you to make a one-minute re- cording of the situation. This can help your hearing care professional to fine-tune your hearing aids. To start recording Press the Menu key The recording process takes one minute and...

  • Page 52: Reset

    Please note that if you start a new log, the previous log will be deleted. To go back to the Menu Press No RESET This function resets settings to: default volume, auto- matic keylock off, vibrating alarm off. To reset the settings and volume to default Press Menu To reset Bluetooth settings see page 50.

  • Page 53: In Case Of Malfunction

    Sound from Blue- Sound not turned up Turn up the volume of tooth/jack too low loud enough the device connected and/or noisy to the M-DEX and turn down to a suitable volume on the M-DEX...
  • Page 54 The M-DEX is not Move it within range within range (up to 50 cm/1½ feet) When a telephone Some telephones Turn off keypad tone...

  • Page 55: Caring For Your M-Dex

    • Do not immerse in water or other liquids. • Do not carry your M-DEX with you during X-rays, MRIs or other scans or radiation treatments and never place it in a microwave oven. These are some of the types of radiation that can damage the device.

  • Page 56: Warnings

    WARNINGS WARNING • Keep the M-DEX and its parts and accessories out of reach of children and anyone else who might swallow parts of the de- vice, or otherwise cause injury to themselves with these items. In case of ingestion, contact a physician immediately.

  • Page 57: 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 Dis- tributor to ensure safe and efficient use of your M-DEX.

  • Page 58: Regulatory Information

    10m distance 10m distance Strength Output 8nW EIRP** +4dBm 29pW EIRP** power Range <1m remote <10m between <1m remote unit to hearing M-DEX and unit to hearing aid. Bluetooth aid. device <30cm be- tween hearing aids Center 10.6MHz 2.45GHz ISM 10.6MHz...
  • Page 59 Data rate 212kbit/s raw 2.1Mbit/s 212kbit/s raw channel channel capacity capacity Simplex or Time division Simplex or Data flow semiduplex duplex (TDD) semiduplex Protocol Random access Packet based Random access – no collision protocol, time – no collision avoidance. divided; secure avoidance.
  • Page 60 (Benefits) The use of wireless transmission allows convenient and synchronized control of hearing aid functions. The CLEAR wireless hearing aids share input information between the two partner hear- ing aids. In so doing, the wearers would experience the following additional user benefits (only when wearing binaural CLEAR hearing aids).
  • Page 61 • Sudden unilateral hearing loss in previous 90 days WARNING (Warnings) In rare situations, the performance of the CLEAR hearing aids and/or the M-DEX may be affected by other de- vices emitting a much stronger EM field. For example, radia- tion from room surveillance equipment, burglar alarms and mobile phones may cause interference.
  • Page 62 • Simplex or semi duplex capability The radio receivers in the M-DEX are using the same frequency and bandwidth as the corresponding transmitter. Cables and transducers: The M-DEX is using a standard 3.5 mm jack to 3.5 mm jack cable for audio input signal.
  • Page 63 Quality of Service for Wireless Technology in the WidexLink System WidexLink wireless technology enables communication between two partners of a binaural pair of CLEAR hearing aids and with their matched external devices. The requirements for the quality of ser- vice (QoS) vary among the various components and their intended user scenarios.
  • Page 64 • A built-in pairing table which specifies valid and legitimate pairing among units • A proprietary Widex communication protocol which checks the package numbers during each transmission. • A Cyclic Redundancy Check (CRC) to check data validity and...
  • Page 65 Guidance and manufacturer’s declaration Electromagnetic emissions The M-DEX is intended for use in the electromagnetic environment specified below. The customer or the user of a M-DEX should assure that it is used in such an environment. Emissions Compliance Electromagnetic environment -...
  • Page 66 Electromagnetic immunity The M-DEX is intended for use in the electromagnetic environment specified below. The customer or the user of a M-DEX should assure that it is used in such an environment. Immunity IEC 60601 Compliance Electromagnetic Test Test level level environment –...
  • Page 67 Voltage dips, <5 % U (>95 short inter- % dip in U applicable *) ruptions and for 0.5 cycle voltage 40 % U variations on % dip in U power sup- for 5 cycles ply input 70 % U lines % dip in U IEC 61000- for 25 cycles...
  • Page 68 Electromagnetic immunity – cont. The M-DEX is intended for use in the electromagnetic environment specified below. The customer or the user of a M-DEX should assure that it is used in such an environment. Immunity IEC 60601 Compli- Electromagnetic environ-...
  • Page 69 Immunity IEC 60601 Compli- Electromagnetic environ- Test Test level ance level ment – guidance √ Radiated 3 V/m 3 V/m d = 1.2 80 MHz to 800 MHz 80 MHz to √ 61000-4-3 2.5 GHz d = 2.3 800 MHz to 2.5 GHz Where P is the maximum output power rating of the transmitter in watts (W)
  • Page 70 RF transmitters, an electro- magnetic site survey should be considered. If the measured field strength in the location in which the M-DEX is used exceeds the applicable RF compliance level above, the M-DEX should be ob- served to verify normal operation.
  • Page 71 NOTE 2 These guidelines may not apply in all situations. Electro- magnetic propagation is affected by absorption and reflection from structures, objects and people. This M-DEX may be interfered with by other equipment even if that other equipment complies with CISPR emission requirements.
  • Page 72 EMC/EMI Compliance The M-DEX complies with the following EMC/EMI standards. Standard Test type Note 47 CFR Part RF emissions USA Federal Communications 15, subpart C Commission (FCC) require- ments for intentional radiators. EN 303 330-2 RF emissions EMC and radio spectrum mat- V1.3.1...
  • Page 73 aid. Licensed physicians who specialize in diseases of the ear are of- ten referred to as otolaryngologists, otologists, or otorhinolaryngol- ogists. The purpose of medical evaluation is to assure that all medi- cally treatable conditions that may affect hearing are identified and treated before the hearing aid is purchased.
  • Page 74 FCC ID: TTY-MDEX IC: 5676B-MDEX This device contains: FCC ID: TTY092802 IC: 5676B-092802 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 75 Changes or modifications to the equipment not expressly approved by Widex could void the user’s authority to operate the equipment. Industry Canada Statement / Déclaration d’industrie Canada...
  • Page 76 (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. 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...
  • Page 77 Hereby, Widex A/S declares that this M-DEX is in com- pliance with the essential requirements and other rele- vant provisions of Directive 1999/5/EC. A copy of the Declaration of Conformity can be found at: http://www.widex.com...
  • Page 78 Hearing aids, accessories and batteries should not be disposed of with normal household waste. Please consult your na- tional Widex distributor for advice on how to dispose of these items.
  • Page 80 Manufacturer CIB202/0411 ¡9 514 0129 041]¤ ¡#01v¤ Printed by HTO / 2011-04 9 514 0129 041 #01...

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