USER INSTRUCTIONS M‑DEX
PACKAGE CONTENTS M-DEX User instructions Lanyard Charger Jack-to-jack cable 2
CONTENTS DESCRIPTION OF DEVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 INTENDED USE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 STATUS ICONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 BATTERY STATUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ADVANCED FUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BLUETOOTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AUDIO INPUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L/R VOLUME . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DESCRIPTION OF DEVICE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. On/off Yes (green) No (red) Volume up Volume down Previous Next Menu Room Off FreeFocus Microphone 1 2 3 8 4 6 7 5 9 10 11 If you need help to identify the serial number (usually six or seven digits) on the product, please contact your hearing care professional.
WARNING This booklet contains important information and instructions. Please read this booklet carefully before you start using the device. M‑DEX is an advanced hearing aid remote control. M‑DEX reproduces mobile phone conversations directly in the hearing aid and allows the user to control normal mobile phone functions and listen to audio input, using a Bluetooth connection for compatibility with most models of mobile phone, and WidexLink for connection to Widex hearing aids.
STATUS ICONS When the M‑DEX is turned on, you can see the battery, Bluetooth and Room Off status in the upper right corner of the start screen.
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 metre With mobile phones, Bluetooth and transmitted audio input, incl.
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. 1. WARNING The breakaway buckle of the lanyard must be positioned at the back of your neck (1), to make it easier to unsnap.
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). The charger is available in four country versions. The version you have may therefore not look exactly as illustrated in this booklet. To charge the battery 1. Connect the charger to the M‑DEX. 2.
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. Contact your hearing care professional.
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 cooperation with you. Your dispenser will have matched the M‑DEX with your hearing aids. Once this is done, you will be able to change programs and adjust the volume in your hearing aids.
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.
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 mode.
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 44.
BASIC FUNCTIONS – REMOTE CONTROL From the start screen you can change programs in your hearing aid, adjust the volume, choose listening focus and activate/deactivate Room Off. Except when using the Room Off function, your hearing aids will produce speech messages or tones when you change settings, unless the function has been deactivated by your hearing care professional. If a check mark is displayed, it means that the specific function has been activated.
To navigate through the available programs Press or Every time you press one of the arrows, an icon representing the active program is displayed.
ADJUSTING THE VOLUME To access the volume bars Press or To increase or decrease the volume in both hearing aids Press or The volume adjustment will apply only to the listening program that is currently active. The wider bar in the middle indicates the default setting. The icon displayed reflects the number of volume adjustment steps chosen by your hearing care professional in consultation with you. The binaural volume adjustment closes automatically after a few seconds.
To adjust the volume of your two hearing aids separately, 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.
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 “unlock” your choice by pressing Menu again.
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.
ROOM OFF Activating ‘Room Off’ turns the hearing aid microphones off. This allows you to use the feature to listen directly to transmitted audio sound without interference 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. The Room Off key lights up and the Room Off icon is displayed.
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. 2. Turn on Bluetooth on your M-DEX. To to this: 2a. Press the Menu key from any program screen. This screen is displayed.
2b. Press or until you reach Settings. Press Menu ➞ Menu.
If Bluetooth is not already turned on, this screen will be displayed. 2c. P ress 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.
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. 5. Select the M-DEX on your phone, and enter the pin code (0000) displayed on your M-DEX into your phone, if prompted. The devices are now paired. If no device can be detected, “Device not found. Try again?” will be displayed on your 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 significantly increase their battery consumption. MOBILE PHONE CONVERSATIONS VIA THE M-DEX Hold the M-DEX as you would hold a phone and speak into the microphone. The sound will be heard in both hearing aids. The mobile phone must be within range (up to 10 m).
When connected to your mobile phone, the M‑DEX gives access to the following functions: 1. Accept or reject call 2. End call 3. Transfer call 4. Make a call 5. Hands-free operation 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 “No”.
END CALL To end a call Press End MAKING A CALL To make an outgoing call Dial the telephone number on your mobile phone and use the M-DEX as described on page 27. USING THE CALL LOG TO MAKE A CALL To make a call to one of the last five numbers registered in the Call log: Press the Yes key Use the or key to choose the desired number. Press the Yes key. Arrows indicate whether it is an incoming or outgoing call. To leave Call log: Press the No key.
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.
HANDS-FREE OPERATION Max 30 cm For hands-free operation, wear the M-DEX around your neck and speak into its microphone.
OTHER FUNCTIONS ADJUSTING THE VOLUME You can adjust the volume during a telephone conversation. 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. See page 22.
ADVANCED FUNCTIONS The following advanced functions can be accessed by pressing the Menu key once and using or : If you use , the menu items are placed in the following order 1. Bluetooth * 2. Audio Input * 3. L/R volume 4. M‑DEX T * 5. Settings Choices made in options 1, 2 and 5 will be confirmed by a check mark. Because items 1, 2 and 4 involve transmitted sound, the sound in your hearing aids will be affected every time you confirm a choice in these options.
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. Note When using the M-DEX for Bluetooth transmission, it must be within range of the hearing aids (up to 50 cm).
To start transmission: Press the Menu key. On some personal audio devices, e.g. telephones, the music player may need to be activated before it can play music. In the default Bluetooth setting, the hearing aid emphasises Music. To optimise it for Speech instead, use or .
AUDIO INPUT This function may be useful if you wish to listen to an external audio source such as an mp3 player. When you connect a jack plug to the audio input, the 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 connected by a jack-to-jack cable. Note When using the M-DEX for audio input, it must be within range of the hearing aids (up to 50 cm).
To start transmission: Press Menu. In the default Audio input setting, the hearing aid is optimised for Music. To optimise it for Speech instead, use or .
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 for Use or to choose left or right, respectively.
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.
M‑DEX T This option allows you to take advantage of teleloop systems even if you do not have a telecoil in your hearing aid. If your hearing aid is provided with a telecoil program, we recommend using this, for optimum performance. Using the telecoil in the M-DEX To enable the M-DEX to pick up teleloop signals, it should hang in a vertical position and be within range of the hearing aids. (Up to 50 cm).
To change the volume from the M‑DEX T screen Press Menu and or To leave M‑DEX T Press No ➞ No 41
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.
Bluetooth settings Here you can turn Bluetooth on and off using the Menu key. You can also perform Bluetooth pairing. Bluetooth pairing See page 23. To go back to the menu Press No. Note Please note that using the M-DEX and mobile phone with Bluetooth turned on will significantly increase their battery consumption.
Automatic keylock This function helps you avoid pressing a key accidentally, for example if you have your M‑DEX in your pocket. If this function has been enabled, the M‑DEX keys will automatically lock when the screen enters standby mode.
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 pairings. This can be necessary if you change your mobile phone.
Short-term Log If you experience difficulties in a specific listening situation, this feature allows you to make a one-minute recording 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 cannot be interrupted. You can follow the progress on the screen.
Please note that if you start a new log, the previous log will be deleted.
RESET This function resets settings to: default volume, automatic keylock off, vibrating alarm off. To reset the settings and volume to default Press Menu To reset Bluetooth settings see page 45.
MAINTENANCE 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 M-DEX: WARNING • Do not expose the device to extreme temperatures or high humidity. • Do not immerse it 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.
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 device, or otherwise cause i njury to themselves with these items. In case of ingestion, contact a physician immediately. • Do not use the device on aircraft or in hospitals without permission. • Do not use the device in mines or other areas with explosive gases.
WARNING Interference with active Implants • In order to show caution, we advise to follow the guidelines recommended by manufacturers of defibrillators and pacemakers regarding use of mobile phones: • If you wear an active implantable device keep the Wireless Hearing Aids and Hearing Aid Accessories such as wireless remote controls or communicators at least 15 cm away from the implant.
SAFETY WARNING This device is powered by an external power supply. • Only connect a power supply that is compatible with the M‑DEX. • The power supply must have an output rating of 5VDC, 500mA, and a mini USB connector.
TROUBLESHOOTING Problem Possible cause Solution Your M‑DEX The battery is exdoes not work hausted Charge the battery (see page 10) Display shows The M-DEX is not “Please match matched with your with hearing hearing aids aids” Contact your hearing care professional No Bluetooth streaming of telephone music when activating Bluetooth on M‑DEX On some personal au- Refer to the user mandio devices, the music ual for the telephone player may need to be for further information activated before it can play
Problem Possible cause Solution Sound from Bluetooth/ jack too low and/or noisy Sound not turned up loud enough Turn up the volume of the device connected to the M‑DEX and turn down to a suitable volume on the M‑DEX M‑DEX takes a long time to charge or does not charge at all Charger used is not the correct one Use the charger included with your M‑DEX Program M‑DEX and hearing shown in aid not matched corM‑DEX not rectly the same as in the hearing aid Ask your hearing care professional to match aga
Problem Possible cause Solution Bluetooth pairing is not working Reset Bluetooth under Settings and pair again No sound M-DEX is not within when listening range of the hearing to audio aids Slide the M-DEX upwards on the lanyard 55
REGULATORY INFORMATION Directive 1999/5/EC Hereby, Widex A/S declares that this M‑DEX is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/EC. A copy of the Declaration of Conformity according to 1999/5/EC can be found at: http://www.widex.
Federal Communications Commission and Industry Canada Statement FCC ID: TTY-MDEX FCC ID: TTY092802 IC: 5676B-MDEX IC: 5676B-092802 This device complies with part 15 of the FCC Rules and with RSS-210 of Industry Canada. 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.
– Reorient or relocate the receiving antenna. – Increase the separation between the equipment and receiver. – Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. – Consult the dealer or an experienced radio/TV technician for help. NOTE: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
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 electronic equipment (WEEE) is not handled correctly. Do not dispose of hearing aids, hearing aid accessories and batteries with ordinary household waste.
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 appropriate, the date of manufacture may also be stated . Date of manufacture The date when the product was manufactured . Use‑by date The date after which the product is not to be used . Batch code The product’s batch code (lot or batch identification) .
Symbol Title/Description Keep dry The product must be protected from moisture and/or The product must be kept away from rain Lower limit of temperature The lowest temperature to which the product can be safely exposed . 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 product can be safely exposed .
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 regulatory requirements for products supplied to the Australian or New Zealand market . Interference Electromagnetic interference may occur in the vicinity of the product .
WIDEX A/S Nymoellevej 6, DK-3540 Lynge, Denmark www.widex.com Manual no.
