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26

Wireless Security Measures 

Security of the wireless signals is assured through device system 
design that includes:

• Individual 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 package numbers during each transmission.

• A Cyclic Redundancy Check (CRC) to check data validity and 

correct errors.

Содержание RC-Dex

Страница 1: ...USER INSTRUCTIONS RC DEX REMOTE CONTROL...

Страница 2: ...NG Messages with this heading indicate adverse reactions poten tial safety hazards and inadequate performance of device CAUTION Messages with this heading indicate include information re garding any s...

Страница 3: ...OF DEVICE 5 ACCESSORIES 7 THE BATTERY 8 CHANGING THE BATTERY 9 USING THE REMOTE CONTROL 11 OPERATING RANGE 11 LIGHT EMITTING DIODE 11 ADJUSTING THE VOLUME 12 CHANGING PROGRAMS 12 CARING FOR YOUR REMO...

Страница 4: ...These user instructions ex plain how your remote control should be operated WARNING This booklet contains important information and instructions Read this booklet carefully before you start using your...

Страница 5: ...the right hearing aids as well as between the hearing aids and the RC DEX accessories The RC DEX remote control gives simple access to hearing aid functions such as volume adjustment and program chan...

Страница 6: ...6 REAR VIEW 1 Battery cover 2 Eye for key ring string attachment 1 2...

Страница 7: ...7 ACCESSORIES 1 Battery 2 Key ring string 1 2...

Страница 8: ...ring care professional Please note the expiration date and the recommendations regard ing disposal of used batteries on the battery pack The remote control is on when a functioning bat tery is correct...

Страница 9: ...rds to remove it 2 Press the battery as illustrated to tip it up and take it out or just turn the device around and let the battery fall out in your hand 1 2 NOTE When changing battery it is a good id...

Страница 10: ...10 3 Insert the new battery at an angle as illustrated and press to click the battery into place The plus sign on the battery must face upwards 4 Replace the battery cover 3 4...

Страница 11: ...an eye for at tachment of a key ring or similar OPERATING RANGE The operating range from the remote control to the hearing aid is up to 3 feet LIGHT EMITTING DIODE A green light in the diode indicate...

Страница 12: ...keys you will hear a brief beep tone When the maximum or minimum adjustment level is reached you will hear a long beep tone CHANGING PROGRAMS With your remote control you can choose from a number of...

Страница 13: ...you can do to prolong the life of your remote control WARNING Do not expose the remote control to extreme temperatures or high humidity Do not immerse it in water CAUTION Clean the remote control with...

Страница 14: ...or radiation treatments and never place your remote control in a microwave oven These are some of the types of radiation that can damage your remote control Radiation from room surveillance equipment...

Страница 15: ...ational Button Battery Ingestion Hotline at at 202 625 3333 Keep your remote control and its parts accessories and batteries out of reach of children and anyone else who might swallow such items or ot...

Страница 16: ...pe or recharged CAUTION Although your remote control has been designed to comply with the most stringent international electromagnetic com patibility standards the possibility cannot be excluded that...

Страница 17: ...ance Problem Possible cause Solution Your remote control does not work The battery is dead or does not work Change the battery The battery in your hearing aid is ex hausted Change the battery Out of o...

Страница 18: ...RC DEX closer to the CLEAR hearing aids b Move away from known source of EM interference c Check with dis penser to make sure RC DEX is paired with CLEAR hearing aids You hear interrupted speech on an...

Страница 19: ...tenna Antenna dimen sions 1 8 mm L 4 85 mm 8 mm L 20 mm 6 mm L 8 mm NA Modula tion FSK FSK FSK FHSS GFSK 4 DPSK 8 DPSK Magnetic Field Strength at 10 m distance 54 dB A m 13 dB A m 26 dB A m NA Output...

Страница 20: ...semi duplex ca pability Simplex capability Simplex or semi duplex capability Time divi sion duplex TDD Protocol Random Access no collision avoidance Random Access no colli sion avoidance Random Access...

Страница 21: ...ram 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...

Страница 22: ...Warnings In rare situations the performance of the CLEAR hearing aids and or the DEX may be affected by other devic es emitting a much stronger EM field For example radiation from room surveillance e...

Страница 23: ...r patients when using mobile phones Specifically hearing aid wearers who also use a pacemaker should Keep the hearing aids at a distance of at least 15 cm away from the pacemaker and Do not carry the...

Страница 24: ...10 2 11 0 MHz Bandwidth 15dB 660 kHz Channel Single channel radio Modulation FSK Radiated output power 21 nW 46 dBm Magnetic field strength 13 dB A m 10 m Duty Cycle 1 averaged over 1 hour of operatio...

Страница 25: ...n transmis sion is interrupted 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 a...

Страница 26: ...al 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 whic...

Страница 27: ...1 Group 2 The RC DEX must emit electromagnetic energy in order to perform its intended function Nearby electronic equipment may be affected RF emissions CISPR 11 Class B The RC DEX is suitable for use...

Страница 28: ...ance Electro static 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 material the relative hu...

Страница 29: ...in UT for 25 cycles 5 UT 95 dip in UT for 5 s Not applicable Not applicable Power frequency 50 60 Hz magnetic field IEC 61000 4 8 3 A m 3 A m Power frequency magnetic fields should be at levels charac...

Страница 30: ...Test IEC 60601 Test level Compli ance level Electromagnetic en vironment guid ance Portable and mobile RF communications equipment should be used no closer to any part of the RC DEX including cables...

Страница 31: ...is the maximum output power rating of the transmitter in watts W according to the transmitter manufacturer and d is the recommended separation distance in metres m Field strengths from fixed RF trans...

Страница 32: ...d exceeds the applicable RF compli ance level above the RC DEX should be observed to verify normal operation If abnormal performance is observed ad ditional measures may be necessary such as re orient...

Страница 33: ...nce d in metres m can be estimated using the equation applicable to the frequency of the transmitter where P is the maximum out put power rating of the transmitter in watts W according to the transmit...

Страница 34: ...9 3 V1 4 1 Immunity RF and ESD Standard for Low Power Transmitters in the frequency range 9 kHz 40 GHz The device was tested in only one orientation that represents the longest length or worst case sc...

Страница 35: ...urchase option program 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 th...

Страница 36: ...a residential instal lation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to rad...

Страница 37: ...ated or be operating in conjunction with any other antenna or transmitter This equipment complies with the Industry Canada RF radia tion exposure limits set forth for an uncontrolled environment as pe...

Страница 38: ...idex A S declares that this RC DEX is in compliance with the essential requirements and other relevant provisions of Directive 1999 5 EC A copy of the Declaration of Conformity can be found at http ww...

Страница 39: ...39 Hearing aids accessories and batteries should not be disposed of with normal household waste Please consult your national Widex distributor for advice on how to dispose of these items...

Страница 40: ...Printed by HTO 2011 04 9 514 0128 041 03 9 514 0128 041S 03 CIB163 0411 Manufacturer...

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