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Widex M-DEX User Instructions Download Page 122

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 . 

Hearing aids, batteries and hearing aid accessories  should be 
disposed of at sites intended for waste electrical and electronic 
equipment, or given to your hearing care professional for safe 
disposal . Proper disposal helps to protect human health and the 
environment .

122

Summary of Contents for M-DEX

Page 1: ...USERINSTRUCTIONS M DEX ...

Page 2: ...PACKAGECONTENTS M DEX User instructions 2 ...

Page 3: ...Lanyard Charger Jack to jack cable 3 ...

Page 4: ...CE 7 INTENDED USE 9 BATTERY STATUS 10 BLUETOOTH 11 ROOM OFF 12 OPERATING RANGES 13 LANYARD USAGE 14 GETTING STARTED 17 CHARGING THE BATTERY 17 TURNING ON THE M DEX 20 TURNING OFF THE M DEX 23 STANDBY SCREEN 24 MANUAL KEYLOCK 25 4 ...

Page 5: ...FF 35 BASIC FUNCTIONS MOBILE PHONE 36 PAIRING THE M DEX WITH YOUR MOBILE PHONE 36 MOBILE PHONE CONVERSATIONS VIA THE M DEX 42 ACCEPT OR REJECT CALL 44 END CALL 45 MAKING A CALL 45 USING THE CALL LOG TO MAKE A CALL 46 TRANSFER CALL 47 HANDS FREE OPERATION 49 OTHER FUNCTIONS 51 ADJUSTING THE VOLUME 51 ROOM OFF 51 5 ...

Page 6: ...VANCED FUNCTIONS 52 BLUETOOTH 53 AUDIO INPUT 57 L R VOLUME 62 M DEX T 65 SETTINGS 69 RESET 79 MAINTENANCE 80 WARNINGS 82 SAFETY WARNING 85 IN CASE OF MALFUNCTION 86 REGULATORY INFORMATION 90 SYMBOLS 123 6 ...

Page 7: ...DESCRIPTIONOFDEVICE 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 7 ...

Page 8: ...9 10 8 5 7 4 3 2 1 6 11 If you need help to identify the serial number usually six or seven digits on the product please contact your hearing care professional 8 ...

Page 9: ...uces mobile phone conversations directly in the hearing aid and allows the user to control normal mobile phone functions and lis ten to audio input using a Bluetooth connection for compatibility with most models of mobile phone and WidexLink for connection to Widex hearing aids INTENDED USE The M DEX is a wireless device intended for mobile phone applications as well as an advanced remote control ...

Page 10: ...STATUSICONS 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 BATTERY STATUS Full Low 10 ...

Page 11: ...BLUETOOTH blue connected grey on but not connected icon not visible off 11 ...

Page 12: ...ROOM OFF Icon shown only if feature is active 12 ...

Page 13: ...M DEX to the hearing aids When using it as a remote control up to 1 meter 3 feet With mobile phones Bluetooth and transmitted audio input incl M DEX T up to 50 cm 1 feet From the M DEX to mobile phone up to 10 meters 30 feet 13 ...

Page 14: ...LANYARDUSAGE 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 14 ...

Page 15: ...WARNING The breakaway buckle of the lanyard must be positioned at the back of your neck 1 to make it easier to unsnap 15 ...

Page 16: ...away from the implant If you experience any interference do not use the hearing aids and or hearing aid accessories and contact the manufacturer of the im plant Please note that interference can also be caused by power lines electrostatic discharge airport metal detectors etc If you have an active brain implant please contact the manufacturer of the implant for risk evaluation If you have an impla...

Page 17: ... capacity of approx 5 hours of continuous use when on standby the battery will last approximately three days If Blue tooth 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 17 ...

Page 18: ...To charge the battery 1 Connect the charger to the M DEX 2 Plug the charger into a wall socket 18 ...

Page 19: ...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 19 ...

Page 20: ...TURNINGONTHEM DEX Push the slide button on the right side upwards 20 ...

Page 21: ... 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 21 ...

Page 22: ...The program in position number 1 usually Master is displayed 22 ...

Page 23: ...TURNINGOFFTHEM DEX To turn the M DEX off Push the slide button on the right side of the M DEX downward 23 ...

Page 24: ...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 24 ...

Page 25: ...MANUAL KEYLOCK You can activate the keylock from any program screen To activate the keylock Press No Menu 25 ...

Page 26: ...To deactivate the keylock Press No Menu For information on automatic keylock see page 73 26 ...

Page 27: ...l 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 CHANGING PROGRAM The selection of listening programs in your M DEX depends on how many and which programs you have chosen to have in your hearing aid The order of the programs is th...

Page 28: ...as been cho sen as program number 1 by you and your hearing care professional usually the Master program To navigate through the available programs Press or Every time you press one of the arrows an icon representing the active program is displayed 28 ...

Page 29: ...earing 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 29 ...

Page 30: ...ress 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 To adjust the volume of your two hearing aids separately see Advanced functions 30 ...

Page 31: ...ING LISTENING FOCUS The FreeFocus feature allows you to focus on sound from a specif ic direction with your hearing aids Press the FreeFocus key TheFreeFocuskeylightsuptoindicatethatFreeFocusis activated 31 ...

Page 32: ...To focus on sound from the front Press Menu To focus on sound from behind Press Menu 32 ...

Page 33: ...To focus on sound from the right Press Menu To focus on sound from the left Press Menu 33 ...

Page 34: ...s 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 To deactivate FreeFocus Press the FreeFocus key 34 ...

Page 35: ... directly to transmitted au dio 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 To deactivate Room Off Press the Room Off key again 35 ...

Page 36: ...ONE 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 36 ...

Page 37: ...2b Press or until you reach Settings Press Menu Menu 37 ...

Page 38: ...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 38 ...

Page 39: ...3 On your mobile phone search for new devices Refer to the user instructions for your phone to see how to do this 39 ...

Page 40: ...s 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 40 ...

Page 41: ...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 bat tery consumption 41 ...

Page 42: ...ERSATIONS VIA THE M DEX Hold the M DEX as you would hold a phone and speak into the mi crophone The sound will be heard in both hearing aids The mobile phone must be within range up to 10 m 30 feet Mobile phone M DEX 42 ...

Page 43: ...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 43 ...

Page 44: ... 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 44 ...

Page 45: ...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 42 45 ...

Page 46: ... 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 46 ...

Page 47: ...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 47 ...

Page 48: ...Turning off your M DEX will also transfer the call back to the mobile phone 48 ...

Page 49: ...HANDS FREE OPERATION For hands free operation wear the M DEX around your neck and speak into its microphone Max 30 cm 49 ...

Page 50: ...way from the implant If you experience any interference do not use the hearing aids and or hearing aid accessories and contact the manufacturer of the im plant Please note that interference can also be caused by power lines electrostatic discharge airport metal detectors etc If you have an active brain implant please contact the manufacturer of the implant for risk evaluation If you have an implan...

Page 51: ...LUME 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 conversa tions See page 35 51 ...

Page 52: ...io 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 When you leave these functions you will return to program 1 The M DEX must be within a range of 50 cm 1 feet of the hearing aids 52 ...

Page 53: ...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 53 ...

Page 54: ...Note When using the M DEX for Bluetooth transmission it must be within range of the hearing aids up to 50 cm 1 feet 54 ...

Page 55: ...away from the implant If you experience any interference do not use the hearing aids and or hearing aid accessories and contact the manufacturer of the im plant Please note that interference can also be caused by power lines electrostatic discharge airport metal detectors etc If you have an active brain implant please contact the manufacturer of the implant for risk evaluation If you have an impla...

Page 56: ...ices e g tele phones the music player may need to be activated before it can play music In the default Bluetooth setting the hearing aid em phasizes Music To optimize it for Speech instead use or To confirm a new setting Press Menu key To leave Bluetooth Press No No 56 ...

Page 57: ...au dio 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 57 ...

Page 58: ...Note When using the M DEX for audio input it must be within range of the hearing aids up to 50 cm 1 feet 58 ...

Page 59: ...away from the implant If you experience any interference do not use the hearing aids and or hearing aid accessories and contact the manufacturer of the im plant Please note that interference can also be caused by power lines electrostatic discharge airport metal detectors etc If you have an active brain implant please contact the manufacturer of the implant for risk evaluation If you have an impla...

Page 60: ...To start transmission Press Menu In the default Audio input setting the hearing aid is optimized for Music To optimize it for Speech instead use or 60 ...

Page 61: ...To confirm a new setting Press the Menu key To leave Audio Input Press No No 61 ...

Page 62: ...L R VOLUME This function is used if you wish to adjust the volume of your two hearing aids separately Press the Menu key 62 ...

Page 63: ...To select which hearing aid to adjust the volume for Use or to choose left or right respectively 63 ...

Page 64: ...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 64 ...

Page 65: ...tion allows you to take advantage of teleloop systems even if you do not have a telecoil in your hearing aid If your hear ing aid is provided with a telecoil program we recommend using this for optimum performance 65 ...

Page 66: ...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 1 feet 66 ...

Page 67: ...away from the implant If you experience any interference do not use the hearing aids and or hearing aid accessories and contact the manufacturer of the im plant Please note that interference can also be caused by power lines electrostatic discharge airport metal detectors etc If you have an active brain implant please contact the manufacturer of the implant for risk evaluation If you have an impla...

Page 68: ...To change the volume from the M DEX T screen Press Menu and or To leave M DEX T Press No No 68 ...

Page 69: ...SETTINGS Pressing the Menu key gives you access to the following menu items 69 ...

Page 70: ...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 Press the Menu key to select an item 70 ...

Page 71: ...Bluetooth settings Here you can turn Bluetooth on and off using the Menu key You can also perform Bluetooth pairing Bluetooth pairing See page 36 To go back to the menu Press No 71 ...

Page 72: ...Note Please note that using the M DEX and mobile phone with Bluetooth turned on will significantly increase their battery consumption 72 ...

Page 73: ...e if you have your M DEX in your pocket If this function has been enabled the M DEX keys will automati cally lock when the screen enters standby mode Use the Menu key to turn the automatic keylock on and off To go back to the Menu Press No To unlock the automatic keylock Press No Menu 73 ...

Page 74: ...lert If you have chosen a Silent profile in your mobile phone the vi brating 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 74 ...

Page 75: ...eset Bluetooth This function allows you to delete previous Bluetooth pairings This can be necessary if you change your mobile phone To select Reset Bluetooth Press Menu To go back to the Menu Press No 75 ...

Page 76: ...ifficulties in a specific listening situation this feature allows you to make a one minute recording of the situa tion This can help your hearing care professional to fine tune your hearing aids To start recording Press the Menu key 76 ...

Page 77: ...The recording process takes one minute and cannot be interrupted You can follow the progress on the screen 77 ...

Page 78: ...Please note that if you start a new log the previous log will be deleted To go back to the Menu Press No 78 ...

Page 79: ...RESET This function resets settings to default volume automat ic keylock off vibrating alarm off To reset the settings and volume to default Press Menu To reset Bluetooth settings see page 75 79 ...

Page 80: ...ring 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 Radi ation from room surveillance equipment burglar alarms mobile phones and similar sources is weaker and will not damage the device However on occasion radiation from devices such as certain burglar alarms automatic motion detectors an...

Page 81: ...be done by authorised personnel Clean the device with a soft cloth Never clean your device with acids alcohol strong detergents or other liquids Avoid dropping the M DEX When the device is not in use keep it in its case in a dry location out of reach of children and pets 81 ...

Page 82: ...ely 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 If you wear your M DEX around your neck make sure that the break away buckle on the lanyard is always at the back of your neck The device is made of modern non allergenic materials Nonetheless in rare cases skin irritation may occur If you notice such skin irr...

Page 83: ...vice 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 83 ...

Page 84: ... away from the implant If you experience any interference do not use the hearing aids and or hearing aid accessories and contact the manufacturer of the im plant Please note that interference can also be caused by power lines electrostatic discharge airport metal detectors etc If you have an active brain implant please contact the manufacturer of the implant for risk evaluation If you have an impl...

Page 85: ...SB connector The power supply input rating voltage and wall plug must be compatible with the AC wall outlet in your region 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 M DEX 85 ...

Page 86: ...ing aids Contact your hearing care professional No Bluetooth stream ing of telephone music when activating Blue tooth on M DEX On some personal au dio devices the music player may need to be activated before it can play music Refer to the user man ual for the telephone for further information M DEX not vibrating when telephone rings Vibrator not activated in M DEX The vibrator function is activate...

Page 87: ... settings and pair telephone again Your M DEX is on but the display is black Keylock is activated Press No Menu Sound from Blue tooth 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 vol ume 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...

Page 88: ...e ringing tone is heard in the hearing aids Some telephones do not produce a ringing tone in the hearing aids if telephone is set to si lent Turn off the silent func tion on your mobile phone The M DEX is not within range Move it within range up to 50 cm 1 feet When a telephone key is pressed the hearing aids beep and change to another program Some telephones send keypad tone to the M DEX Turn off...

Page 89: ... cause Solution Bluetooth pairing is not working Reset Bluetooth under Settings and pair again No sound when listen ing to audio M DEX is not within range of the hearing aids Slide the M DEX up wards on the lanyard 89 ...

Page 90: ... Inductive antenna Embedded ceramic antenna Inductive antenna Antenna dimensions Ø6 mm L 40mm NA Ø1 8 mm L 4 85mm Modulation FSK FHSS GFSK π 4 DPSK 8DPSK FSK Magnetic Field Strength 11dBμA m at 10m distance NA 54dBμA m at 10m distance Output power 8nW EIRP 4dBm 29pW EIRP Range 1m remote unit to hearing aid 10m between M DEX and Bluetooth device 1m remote unit to hearing aid 30cm between hearing ai...

Page 91: ...nnel capacity Data flow Simplex or semi duplex Time division duplex TDD Simplex or semi duplex Protocol Random access no collision avoid ance Packet based protocol time divided secure serial port pro file SPP Random access no collision avoidance Bluetooth specification v2 0 EDR published by the Bluetooth Special In terest Group SIG EIRP Equivalent isotropically radiated power Bluetooth Qualified d...

Page 92: ...The same lis tening program is used in both hearing aids when one is changed by the user Surveillance of partner hearing aid The hearing aid s will signal an alert partner check when a hearing aid battery has expired or that one of the hearing aids has fallen off In rare instances a much stronger wireless source nearby may activate this alert This serves as an early warning to the wearer of such s...

Page 93: ...tling or feedback and music sounds to pre vent unnecessary feedback cancellation and preserve natural sound quality Contraindications Congenital or traumatic deformity of the ear Active drainage from the ear within 90 days History of rapid progressive hearing loss within previous 90 days Acute or chronic dizziness Sudden unilateral hearing loss in previous 90 days 93 ...

Page 94: ...ce Some mo bile phone displays and computer monitors could interfere with the wireless functions when the hearing aids are within a few cm from them While the hearing aids are still functional the communications between the hearing aids may be temporarily suspended until the wearers remove themselves from the vicinity of the stronger EM field A message partner check may be audible Keep at least a ...

Page 95: ...iated output power 2 5 mW 4 dBm Magnetic field strength N A Duty Cycle 100 averaged over 1 hour of operation Time division duplex TDD M DEX radio 2 transmitter parameters Frequency range 10 6 MHz 10 2 11 0 MHz Bandwidth 15dB 660 kHz Channel Single channel radio Modulation FSK Radiated output power 8 nW 51 dBm Magnetic field strength 11 dBµA m 10 m Duty Cycle 100 averaged over 1 hour of operation S...

Page 96: ...receivers in the M DEX are using the same frequency and band width 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 96 ...

Page 97: ...r scenarios During daily use the requirements on audio streaming between hearing aids include a BER better than 10 3 The communication is simplex with a bitrate of 212 kbits s The additional audio decoding in this mode results in a longer latency which is less than 10 ms For remote control commands the QoS re quirements include a BER better than 10 2 The lower BER requirement re sults from redunda...

Page 98: ...MAC address for each unit which is checked during each transmission 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 errors 98 ...

Page 99: ...customer or the user of a M DEX should assure that it is used in such an environment Emissions test Compliance Electromagnetic environment guidance RF emissions CISPR 11 Group 1 The M DEX uses RF energy only for its internal function Therefore its RF emissions are very low and are not likely to cause any interference in nearby electronic equip ment 99 ...

Page 100: ...estic es tablishments and those directly con nected to the public low voltage power supply network that supplies buildings used for domestic purposes Harmonic emis sions IEC 61000 3 2 Not applicable Voltage fluctua tions flicker emissions IEC 61000 3 3 Not applicable Battery powered equipment 100 ...

Page 101: ...601 Test level Compliance level Electromagnetic environment guidance Electrostatic discharge ESD IEC 61000 4 2 6 kV contact 8 kV air 6 kV contact 8 kV air Floors should be wood concrete or ceramic tile If floors are covered with synthetic ma terial the relative humidity should be at least 30 Electrical fast transients burst IEC 61000 4 4 2 kV for pow er line supplies 1 kV for input output lines No...

Page 102: ...th Not applicable Voltage dips short interrup tions and volt age variations on power sup ply input lines IEC 61000 4 11 5 UT 95 dip in UT for 0 5 cycle 40 UT 60 dip in UT for 5 cycles 70 UT 30 dip in UT for 25 cycles 5 UT 95 dip in UT for 5 s Not applicable 102 ...

Page 103: ... 3 A m 3 A m Power frequency magnetic fields should be at levels characteristic of a typical location in a typical commercial or hospital envi ronment NOTE UT is the a c mains voltage prior to the application of the test level Battery powered equipment 103 ...

Page 104: ...at it is used in such an environment Immunity Test IEC 60601 Test level Compli ance level Electromagnetic environment guidance Portable and mobile RF com munications equipment should be used no closer to any part of the M DEX includ ing cables than the recom mended separation distance calculated from the equation applicable to the frequency of the transmitter 104 ...

Page 105: ...Conducted RF IEC 61000 4 6 3 Vrms 150 kHz to 80 MHz 3 Vrms Recommended separation distance d 1 2 P Immunity Test IEC 60601 Test level Compli ance level Electromagnetic environment guidance 105 ...

Page 106: ... 5 GHz 3 V m d 1 2 P 80 MHz to 800 MHz d 2 3 P 800 MHz to 2 5 GHz Where P is the maximum out put power rating of the trans mitter in watts W according to the transmitter manufactur er and d is the recommended separation distance in metres m 106 ...

Page 107: ... each frequency P range b Interference may occur in the vicinity of equipment marked with the following symbol NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic propagation is affected by absorption and reflection from structures ob jects and people 107 ...

Page 108: ...t due to fixed RF transmitters an electromagnetic site survey should be consid ered 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 observed to verify normal operation If abnormal performance is ob served additional measures may be necessary such as re orienting or re locating the M DEX b Over the freque...

Page 109: ...he electromagnetic environment in which RF disturbances are controlled The customer or the user of the M DEX can help prevent electromagnetic interference by maintaining a minimum dis tance between portable and mobile RF communications equipment trans mitters and the M DEXs as recommended below according to the maxi mum output power of the communications equipment 109 ...

Page 110: ...nsmitter W Separation distance according to frequency of transmitter m 150 kHz to 80 MHz d 1 2 P 80 MHz to 800 MHz d 1 2 P 800 MHz to 2 5 GHz d 2 3 P 0 01 0 12 0 12 0 23 0 1 0 38 0 38 0 73 1 1 2 1 2 2 3 10 3 8 3 8 7 3 100 12 12 23 110 ...

Page 111: ...er rating of the transmitter in watts W accord ing to the transmitter manufacturer NOTE 1 At 80 MHz and 800 MHz the higher frequency range applies NOTE 2 These guidelines may not apply in all situations Electromagnetic 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 wi...

Page 112: ... emission EMC and radio spectrum matters for Short Range Devices in the fre quency range 9 kHz 25 MHz EN 300 328 V1 7 1 RF emissions incl Spurious emission EMC and radio spectrum matters for Wideband transmission sys tems in the 2 4GHz ISM band and using wide band modulation tech niques IEC 60601 1 2 2007 EMC emission Immunity RF and ESD Medical electrical equipment General requirements for basic ...

Page 113: ...rson 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 The purpose of medical eval uation is to assure that all medically treatable conditions t...

Page 114: ...idual needs 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 Federal law restricts the sale of heari...

Page 115: ...hould be directed to an audiologist for evaluation and rehabilitation since hearing loss may cause problems in language development and the educational and social growth of a child An audiologist is qualified by train ing and experience to assist in the evaluation and rehabilitation of a child with a hearing loss 115 ...

Page 116: ... 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 NOTE This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to part 15 of the FCC Rules These limits are designed to provide reasonable 116 ...

Page 117: ...ular 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 measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet o...

Page 118: ...h for an uncontrolled environment 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 118 ...

Page 119: ... to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power e i r p is not more than that necessary for successful communication This device complies with Industry Canada licence exempt RSS standard s Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference inc...

Page 120: ... son gain de sorte que la puissance isotrope rayonnée équivalente p i r e ne dépasse pas l intensité nécessaire à l établissement d une communication satisfaisante Le présent appareil est conforme aux CNR d Industrie Canada applicables aux appareils radio exempts de licence L exploitation est autorisée aux deux conditions suivantes 1 l appareil ne doit pas produire de brouillage et 2 l utilisateur...

Page 121: ...s that the TV Controller and TV Base are 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 com doc 121 ...

Page 122: ...ipment WEEE is not handled correctly Do not dispose of hearing aids hearing aid accessories and bat teries with ordinary household waste Hearing aids batteries and hearing aid accessories should be disposed of at sites intended for waste electrical and electronic equipment or given to your hearing care professional for safe disposal Proper disposal helps to protect human health and the environment...

Page 123: ...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 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 123 ...

Page 124: ... 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 The lowest temperature to which the product can be safely exposed 124 ...

Page 125: ...y exposed Consult instructions for use The user instructions contain important cautionary infor mation warnings precautions and must be read before using the product Caution Warning Text marked with a caution warning symbol must be read before using the product WEEE mark Not for general waste When the product is to be discarded it must be sent to a designated collection point for recycling and rec...

Page 126: ...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 Australian or New Zealand market Interference Electromagnetic interference may occur in the vicinity of the product The six or seven digit number on the product is the serial number Serial numbers may not always be prece...

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Page 130: ...CIB202 1214 WIDEX A S Nymoellevej 6 DK 3540 Lynge Denmark www widex com Manual no 9 514 0129 041 05 Issue 2015 06 É 5qr0q2 l fa k ...

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