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Sennheiser 502874 Headphones User Manual
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1. The transmitter is in gt enrollment mode searching for headphones to pair with i i The transmitter is in a association mode exchanging device information with the headphones The transmitter is in single gt user operation The transmitter is in multi user operation Acoustic signal of the headphones The minimum volume is reached a The maximum volume is reached _ The SURR button is being pressed The BASS button is being pressed Product overview Enrollment mode Pairing Single user operation Multi user operation on By of o 2 e D 10 Overview of the connection stages Connection establishment When you switch the headphones and the transmitter on the headphones search for a suitable transmitter The headphones and the transmitter have recognized each other and the headphones are paired with the transmitter Single user and multi user operation You can listen to your sound source via one pair of headphones By default the transmitter is set to single user operation see page 24 In order to be able to listen to your sound source with several headphones simultaneously you have to set your transmitter to multi user operation see page 27 Putting the RS 170 into operation Putting the RS 170 into operation Setting up the transmitter gt Choose a suitable place near your sound source e g TV stereo
2. P Simultaneously press the multi function button of the transmitter and the multi function button 4 of the headphones for 7 seconds The multi function button 5 of the transmitter flashes green After approx 30 seconds the headphones are paired with the transmitter gt and you can hear your sound source via the headphones The multi function LED of the headphones and the multi function button 5 of the transmitter flash green 25 Using the RS 170 26 amp a Associating other Kleer compatible headphones to the transmitter The following describes how to associate the Sennheiser MX W1 earphones to the TR 170 transmitter For information on how to associate other Kleer compatible headphones to the transmitter refer to the instruction manual of the corresponding product gt Press the operation pairing button on both MX W1 earphones for 7 seconds gt Press the multi function button of the transmitter for 7 seconds After approx 30 seconds the MX W1 earphones are paired with the transmitter and you can hear your sound source via the earphones The multi function button of the transmitter flashes green Associating several headphones to the transmitter In order to be able to use several headphones simultaneously you first have to associate your additional headphones to the transmitter gt Follow the s
3. Adjusting the volume on the headphones 0 0 eseeseseeseesseseeseseeeseenees 21 Adjusting the sound of the RS 170 to your needs sssr 22 Associating the headphones to the transmitter sesse 24 Listening with several headphones simultaneously oo eee 27 Cleaning the RS V7 Or ves cisctasadovele itive orcs ena ctscasitersoeatseseciosrisel ofeueuetarhiostaeianters 28 If al problem OCCU Sas seisissvcisdadd sits o a a 29 Accessories ANC SPALe parts oo eseseseseseeeessssseseseseeeeessessaeaeseeteseeseaeetseenees 31 Specia tons onn parn ENE EE KE S ENEA 32 Manufacturer declarations ccscssesecsssceseseseescsesesesesessesesessesseseseeasseesenseeneaes 33 Important safety information Important safety information Please read this instruction manual carefully and completely before using the product Make this instruction manual easily accessible to all users at all times Always include this instruction manual when passing the product on to third parties Do not use the product in situations which require special attention e g in traffic or when performing skilled jobs Always keep the product dry and do not expose it to extreme temperatures normal operating temperatures 0 C 32 F to 40 C 104 F Use the product with care and store it in a clean dust free environment Switch the headphones off after use to conserve battery power Remove the batteries if the product will not be used for extended periods of time
4. When the rechargeable batteries are fully charged the CHARGE LED goes off Always store the headphones on the headphone holder charger to ensure that they are fully charged when they are needed Adjusting the headband of the headphones For good sound quality and best possible comfort the headband has to be adjusted to properly fit your head To do so adjust the headband via its snap in locking mechanism gt Wear the headphones so that the headband runs over the top of your head gt Adjust the length of the headband so that your ears are completely inside the earpads you feel even gentle pressure around your ears a snug fit of the headband on the head is ensured 17 Using the RS 170 18 Using the RS 170 To switch the product on and to listen to your sound source proceed as follows Sequence of steps 1 Make sure that the rechargeable batteries are charged 17 2 Switch your sound source on 3 Switch your transmitter on 20 4 Switch your headphones on 20 5 Adjust the desired volume 21 Switching the transmitter on and off Switching the transmitter on gt Press the multi function button 4 for approx 1 second The transmitter switches on The multi function button flashes green indicating that the transmitter is in enrollment mode Once the transmitter has found suitable headphones it pairs with the headphones and transmits an audio signal The multi function LED
5. 7 SENNHEISER Digital Wireless System _ 70 Instruction manual Contents Contents Important Safety information oe ceseceseseseseeeescseseseseseseseseetsesessesesteteeeeeseees 2 The RS 170 digital RF headphone system ou sessseeseseseseeeeeeseseaseeeeeeeees 4 Delivery includes oo sssssetstctsssssesscecesececcsessseseseessssescssectsceesesesessseseseeseteeseess 5 PFOGUCT OVERVIOW sesscsccsseccscscecetcescsescedeashecacerssstutdetsneescvadeavessucoranesiavevatecsdeestiaveseae Overview of the HDR 170 headphones Overview of the TR 170 transmitter 0 ecceeesesesseeseseetseeteeseseseeteeeseees Overview of the indicators and acoustic Signals seses 8 Overview of the CONNECTION STAGES s sssessssessssessssssssessstersstessseesseessseee 10 Putting the RS 170 into operation oo seseeeeseeeeeeeessseeeeeeeeeeseateeeneees Setting Up the transmitter esseseesesssssesressesresseseeseeressessestosroseeneseeseestesee Connecting the transmitter to a sound Source ou esesesetsssteeeeseeeeeeeeeees Connecting the transmitter to the mains Inserting and changing the rechargeable batteries Charging the headphones rechargeable batteries Adjusting the headband of the headphones sessies USING the RS LTO ieseicseccccvccsiesstavtancntteesescsauasansreatestveevenssesessaesanaeesasvacsiviapseatecatees Switching the transmitter on and off Switching the headphones on and off ou eesesesseseeseseeeeseceeseeeeseneeseneeees 20
6. RS 170 We Sennheiser Electronic Corporation Strat Marketing Stefanie Reichert One Enterprise Drive Old Lyme CT 06371 USA Tel 1 860 434 9190 ext 144 Fax 1 860 434 1759 declare the above device comply with the requirements of Federal Communications Commission This device complies with Part 15 of the FCC rules Operation is subjected 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 Responsible Party John Falcone 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 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 protection against harmful interference in a residential installation 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 radio communications However there is no guarantee that interference will not occur in a particu lar installati
7. headphones To activate the dynamic bass boost gt Press the BASS button on the headphones or the BASS button on the transmitter The BASS button is backlit in green 23 Using the RS 170 24 Associating the headphones to the transmitter The RS 170 system features the digital wireless audio transmission i technology from Kleer You can also associate other Kleer compatible headphones e g the Sennheiser MX W1 to the transmitter For more information refer to the chapter Associating other Kleer compatible headphones to the transmitter on page 26 or to the instruction manual of the corresponding product The headphones and the transmitter are already associated upon delivery You only have to associate the headphones to the transmitter e if you want to use another pair of Kleer compatible headphones or e if the transmission between the headphones and the transmitter is disturbed by interferences in the vicinity If you want to use several headphones refer to the chapter Associating several headphones to the transmitter on page 26 Associating the HDR 170 headphones to the transmitter When associating the headphones to the transmitter the distance between the transmitter and the headphones should not exceed 1 m gt Make sure that the transmitter and the headphones are in standby mode see page 19 and 20 Using the RS 170
8. of the headphones and the multi function button of the transmitter flash slowly Using the RS 170 Switching the transmitter off gt Press the multi function button for approx 1 second The multi function button goes off The transmitter is in standby mode To disconnect the transmitter from the mains gt Pull out the mains plug from the wall socket Please note that In this case the headphones rechargeable batteries will not be recharged rw if the headphones are outside the transmission range or switched 1 off for more than 5 minutes the transmitter automatically switches to standby mode The multi function button goes off In standby mode the transmitter s power consumption is very low so that it can remain connected to the mains 19 Using the RS 170 Switching the headphones on and off WARNING Danger due to high volumes Listening at high volume levels for long periods can lead to A permanent hearing defects gt Before putting the headphones on set the volume to a low level gt Do not continuously expose yourself to high volumes Switching the headphones on _ P Press the multi function button for approx 1 second The headphones switch on The multi function LED flashes green indicating that the headphones are in enrollment mode _s Once the headphones have found a suitable transmitter the transmitter pairs with
9. or home cinema system gt Do not place the transmitter close to metal objects such as shelf bars reinforced concrete walls etc as this can decrease the transmitter s range same room so you can move around freely in the home or outside ry it is not necessary that the transmitter and headphones are in the 1 in the garden Cable dresser gt Snap the cable dresser into the opening at the rear of the transmitter gt Dress the cables through the small slit of the cable dresser 9 The cable dresser prevents the cables from slipping out of the sockets or being kinked Gram gt Use the cable binder to conceal the cables 11 Putting the RS 170 into operation 12 Connecting the transmitter to a sound source You can connect the TR 170 transmitter to different sound sources such as a TV a DVD player or a stereo system gt Switch your sound source off before connecting the transmitter gt Connect the audio cable 0 to the audio input of the transmitter gt Check the connection possibility of your sound source Connection possibility Type of socket Headphone socket i B RCA sockets output Jea gt Follow the instructions in the corresponding chapter in order to connect your transmitter to the sound source Putting the RS 170 into operation Connecting the transmitter to a headphone socket Depending on your
10. plugs 2 m DC cable 4 0 mm DC jack socket to 2 x 4 0 mm DC plug Adapter 3 5 mm jack socket to 1 4 6 3 mm jack plug Adapter 3 5 mm jack socket to 2 RCA plugs 1 pair of ear pads closed type 31 Specifications 32 Specifications RS 170 system Modulation Carrier frequencies Range Ambient temperature TR 170 transmitter Audio connection Power consumption standby mode Power supply Transmission power Weight Dimensions HDR 170 headphones Transducer principle Max SPL THD Frequency response Charging time of rechargeable batteries Power supply Operating time Weight w o rechargeable batteries MSK digital 2 4 2 48 GHz approx 80 m in the open area 32 F to 104 F 0 C to 40 C 3 5 mm stereo jack socket lt 0 5W 5 V 500 mA lt 10 mW approx 336 g 12 5 cm x 10 cm x 23 cm circumaural closed 110 dB SPL lt 0 5 at 1 kHz 100 dB SPL 18 Hz 21 000 Hz approx 16 hours 2 AAA size NiMH rechargeable batteries 1 2 V 600 mAh approx 24 hours approx 228 g SSA 4P 5050F power supply unit Rated input Rated output 100 240 V 0 2 A 50 60 Hz 5 V 500 mA Operating temperature range 32 F to 104 F 0 C to 40 C Dt Manufacturer declarations Manufacturer declarations Warranty Sennheiser GmbH amp Co KG gives a wa
11. sound source you have to change the setting of the ATTENUATOR switch in order to optimally adjust the signal of the sound source Portable sound source Stationary sound source a MP3 player mobile telephone _ hi fi system amplifier gt Set the ATTENUATOR switch B Set the ATTENUATOR switch gt Adjust the volume of the headphone socket on your sound source to a medium level This improves the quality of wireless sound transmission If necessary check the settings of your sound source gt Connect the audio cable 0 to the headphone socket of your sound source If the plug on the audio cable 40 is too small for your headphone socket plug the adapter to 1 4 6 3 mm jack plug 4 onto the audio cable 13 Putting the RS 170 into operation B Connecting the transmitter to RCA sockets output WARNING Danger of hearing damage due to high volumes i You can suffer hearing damage if you are using other Kleer A compatible headphones without integrated volume control such as the Sennheiser MX W1 with the TR 170 transmitter gt In this case do not connect the transmitter to the RCA sockets output of your sound source but to the headphone socket of your sound source gt Before putting the headphones on set the volume on the sound source to a low level Depending on your sound source you have to change the setting of t
12. the headphones and transmits an audio signal z The multi function LED of the headphones and the multi function button 5 of the transmitter flash slowly Switching the headphones off gt Press the multi function button for approx 1 second The multi function LED goes off The headphones are in standby mode PJ if there is no signal from the transmitter for more than 5 minutes 1 the headphones automatically switch to standby mode 20 Using the RS 170 Adjusting the volume on the headphones gt Press the VOLUME button or the VOLUME button repeatedly until the volume is adjusted to a comfortable and undistorted level Vol Vol Vol Vol 1 G G Muting the headphones gt Briefly press the multi function button to mute the headphones or to cancel the muting 21 Using the RS 170 22 Adjusting the sound of the RS 170 to your needs Activating deactivating 3D surround sound You can activate or deactivate 3D surround sound on the transmitter or directly on your headphones To activate 3D surround sound gt Press the SURR button on the headphones or the SURROUND button 8 on the transmitter The SURROUND button is backlit in green Using the RS 170 Activating deactivating the dynamic bass boost You can activate or deactivate the dynamic bass boost on the transmitter or directly on your
13. ARGE LED orange BASS button backlit in green SURROUND button backlit in green Multi function button backlit in green Charging contacts for charging the headphones Audio input AUDIO IN ATTENUATOR switch Socket for power supply unit DC 5V 0 5A Cable dresser Pw With the multi function button you can switch the 15 transmitter on to standby mode set the transmitter to multi user operation and associate the transmitter Product overview Overview of the indicators and acoustic signals Meaning of the pictograms for the different LEDs x The LED is lit is _ TheLED flashes once per second gt te The LED flashes twice every 5 seconds Indicators on the headphones Multi function LED S w s s The rechargeable batteries are almost flat i The headphones are in enrollment mode searching for a transmitter to pair with The headphones are in association mode exchanging device information with the transmitter O03 ry I e I e I 0 one The headphones receive an audio signal m i Product overview Indicators on the transmitter CHARGE LED The rechargeable batteries are being charged off The rechargeable batteries are fully charged BASS button B The dynamic bass boost is activated SURR button x 3D surround sound is activated Multi function off The transmitter is in button standby mode
14. C rechargeable batteries 158 F e g do not expose to at ambient sunlight or throw into a fire temperatures between 10 C 50 F and 40 C 104 F Do not mutilate or dismantle Do not continue to use defective rechargeable batteries x A Immediately remove Dispose of rechargeable rechargeable batteries batteries at special collection from obviously points or return them to your defective devices specialist dealer The RS 170 digital RF headphone system The RS 170 digital RF headphone system The RS 170 is an RF stereo hi fi headphone system with comprehensive technical features Its transparent and balanced sound image with excellent bass response makes this system an ideal choice for hi fi home cinema and TV use The rechargeable batteries can conveniently be recharged while in the headphones Enjoy total freedom of sound stylish design and maximum comfort Additional features of the RS 170 headphone system e Transmits uncompressed audio over a robust 2 4 GHz digital link enabling you to enjoy your music without the hassles of cables e Dynamic transducer systems with powerful neodymium magnets deliver clear and detailed audio reproduction e Kleer s uncompressed digital wireless transmission delivers CD quality sound e No set up required just plug and play Simply connect the transmitter to your personal audio video player put on the headphones and turn it on e TR170 transmitter wit
15. The headphones contain magnets that generate a magnetic field which could cause interference with cardiac pacemakers and implanted defibrillators Keep the headphones at least 1 2 3 cm from cardiac pacemakers or implanted defibrillators Please protect your hearing from high volume levels Sennheiser headphones also sound exceptionally good at low volumes Only use the Sennheiser supplied power supply units To reduce the risk of fire or electric shock do not use the product near water and do not expose it to rain or moisture Unplug the power supply unit from the wall socket to completely disconnect the product from the mains during lightning storms or when unused for long periods of time Only operate the power supply unit from the type of power source specified in the chapter Specifications see page 32 Ensure that the power supply unit is in a safe operating condition and easily accessible properly plugged into the wall socket only operated within the permissible temperature range not covered or exposed to direct sunlight for longer periods of time in order to prevent heat accumulation see Specifications on page 32 Do not operate the product near any heat sources Only use attachments accessories specified by Sennheiser see Accessories and spare parts on page 31 Important safety information Replacement parts When replacement parts are required be sure the
16. es Setthe ATTENUATOR 14 switch 7 to 8 dB No mains connection i RT cannot be switched on Headphone Rechargeable batteries are s cannot be flat switched on Rechargeable batteries are inserted the wrong way round Headphone Headphones do not make scannotbe contact to the charging recharged contacts Operating Rechargeable batteries are time exhausted decreases Check the connection of the power supply unit to the transmitter and to the mains Recharge the 17 rechargeable batteries Remove the 16 rechargeable batteries from the headphones and reinsert them again Observe correct polarity Ensure that the 17 headphones are properly seated on the charging contacts Clean the charging 28 contacts Replace the 16 rechargeable batteries If a problem occurs that is not listed in the above table or if the problem cannot be solved with the proposed solutions please contact your local Sennheiser partner for assistance To find a Sennheiser partner in your country search at www sennheiser com Accessories and spare parts Accessories and spare parts Only use original Sennheiser accessories and spare parts otherwise the product quality can be impaired or the product can be damaged Cat No 504251 534480 534486 534479 093778 514267 534470 Accessory spare part HDR 170 headphones Power supply unit with country adapters Stereo audio cable with two 3 5 mm jack
17. h multi receiver capability enabling up to 4 people to listen to the same sound source Kleer wireless transmission technology The RS 170 headphone system features the digital wireless audio kl eer transmission technology from Kleer The Kleer company has developed an RF based wireless transmission standard of the same name that offers cut loose re aie ec lossless audio transmission in CD quality while consuming minimal power Delivery includes Delivery includes HDR 170 headphones TR 170 transmitter power supply unit with country adapters stereo audio cable with 3 5 mm jack plugs adapter 3 5 mm jack socket to 1 4 6 3 mm jack plug adapter 3 5 mm jack socket to 2 RCA plugs AAA size NiMH rechargeable batteries 1 2 V cable dresser cable binder quick guide incl CD ROM with detailed instruction manual PDF file safety guide PRPRPHEHNRPP RP RP HP BH Product overview Product overview Overview of the HDR 170 headphones A Headband VOLUME button Charging contacts Multi function button 0 Ear pads VOLUME button Battery compartments SURR button amp BASS button 9 Multi function LED With the multi function button 0 you can switch the headphones on to standby mode set the headphones to multi user operation mute the headphones and associate the headphones Product overview Overview of the TR 170 transmitter CH
18. he ATTENUATOR switch 7 in order to optimally adjust the signal of the sound source Portable sound source Stationary sound source i MP3 player mobile telephone hi fi system amplifier gt Set the ATTENUATOR switch B Set the ATTENUATOR switch L gt to 0 dB to 8 dB 5S gt Plug the adapter for RCA sockets onto the audio cable 0 gt Connect the red connector of the adapter 2 to the red socket R of your sound source gt Connect the white connector of the adapter to the white or black socket L of your sound source rw if your sound source has several RCA sockets use the RCA outputs s usually Audio Out 14 Putting the RS 170 into operation Connecting the transmitter to the mains gt Select the suitable country adapter 4 for your wall socket gt Slide the country adapter 4 onto the power supply unit until it locks into place gt Plug the power supply unit into a wall socket The transmitter switches on The multi function button flashes green after 9 seconds The transmitter is in enrollment mode 15 Putting the RS 170 into operation 16 Inserting and changing the rechargeable batteries For powering the headphones you can use e standard batteries AAA size 1 5 V e NiMH rechargeable batteries AAA size 1 2 V 600 mAh If you are
19. on 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 e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help This class B digital apparatus complies with the Canadian ICES 003 Changes or modifications made to this equipment not expressly approved by Sennheiser electronic Corp may void the FCC authorization to operate this equipment RF Radiation Exposure Information Since the radiated output power of this device is far below the FCC radio frequency exposure limits it is not subjected to routine RF exposure evaluation as per Section 2 1093 of the FCC rules X ogg kleer cut loose Powered by an ENERGY STAR qualified adapter for a better environment Manufacturer declarations In compliance with USA FCC ID DMOTR180 FCC ID DMOHDR180 C Canada IC 2099A TR180 IC 2099A HDR180 wore CE0560 X N Australia New Zealand N340 Singapore Complies with IDA Standards DB100582 Trademarks The Kleer logo is a trademark of Kleer Inc About ENERGY STAR ENERGY STAR is a join
20. rranty of 24 months on this product For the current warranty conditions please visit our website at www sennheiser com or contact your Sennheiser partner In compliance with the following requirements e ROHS Directive 2002 95 EC e WEEE Directive 2002 96 EC e Battery Directive 2006 66 EC CE Declaration of Conformity e R amp TTE Directive 1999 5 EC e EMC Directive 2004 108 EC e Low Voltage Directive 2006 95 EC The declaration is available at www sennheiser com Before putting the product into operation please observe the respective country specific regulations Rechargeable batteries The supplied rechargeable batteries can be recycled Please dispose of them as special waste or return them to your specialist dealer In order to protect the environment only dispose of exhausted batteries WEEE Declaration Your Sennheiser product was developed and manufactured with high quality materials and components which can be recycled and or reused This symbol indicates that electrical and electronic equipment must be disposed of separately from normal waste at the end of its operational lifetime Please dispose of this product by taking it to your local collection point or recycling centre for such equipment This will help to protect the environment in which we all live 33 Manufacturer declarations 34 Statements regarding FCC and Industry Canada FCC Declaration of Conformity DoC C SENNHEISER Model No
21. service technician uses replacement parts specified by Sennheiser or those having the same characteristics as the original part Unauthorized substitutions may result in fire electric shock or other hazards Intended use Intended use of the product includes e having read this instruction manual especially the chapter Important safety instructions on page 2 e using the product within the operating conditions and limitations described in this instruction manual Improper use means using the product other than as described in this instruction manual or under operating conditions which differ from those described herein Safety instructions for the NiMH rechargeable batteries If abused or misused the rechargeable batteries may leak In extreme cases they may even present e aheat hazard A e a fire hazard e an explosion hazard e asmoke or gas hazard Please understand that Sennheiser does not accept liability for damage arising from abuse or misuse Keep away from Only use rechargeable batteries ii children recommended by Sennheiser 2 Observe correct polarity Do not short circuit soy Do not expose to Switch rechargeable battery moisture powered products off after use Do not pack charged When not using rechargeable batteries loose danger a batteries for extended periods of shorting out fire of time charge them regularly hazard about every 3 months Only charge Do not heat above 70
22. t program of the U S Environmental Protection Agency and the U S Department of Energy helping us all save money and protect the environment 35
23. teps in the chapter Associating the headphones to the transmitter You can then only use the last headphones paired to listen to your sound source single user operation To listen to your sound source with up to 4 headphones simultaneously gt Set your transmitter to multi user operation as described in the next chapter ote m 2 Using the RS 170 Listening with several headphones simultaneously By default the transmitter is set to single user operation In order to be able to listen to your sound source with several headphones simultaneously you have to set your transmitter to multi user operation The settings for the dynamic bass boost and for 3D surround sound are applied to the additional headphones The volume of the each pair of headphones can be adjusted individually gt Make sure that all headphones are paired to the transmitter see previous chapter gt Switch all headphones on see page 20 Vv Then switch the transmitter on see page 18 gt Briefly press the multi function button 0 of the transmitter The multi function button of the transmitter and the multi function LEDs of the headphones flash green You can now listen to your sound source with several headphones simultaneously When pressing the transmitter s multi function button in i multi user operation the transmitter switches to single user operation You can still listen to your sound source with
24. the last headphones paired the other headphones are disconnected from the transmitter 27 Cleaning the RS 170 28 Cleaning the RS 170 CAUTION Liquids can damage the electronics of the product Liquids entering the housing of the product can cause a short circuit and damage the electronics gt Keep all liquids far away from the product gt Do not use any cleansing agents or solvents gt Before cleaning switch the product off and disconnect the transmitter from the mains gt Only use a dry and soft cloth to clean the product Replacing the ear pads For reasons of hygiene you should replace the ear pads from time to time Spare ear pads are available from your Sennheiser dealer see Accessoires and spare parts on page 31 gt Remove the ear pads from the ear cups by turning the ear pads in the direction of the arrow until you overcome a slight resistance gt Lift the ear pads off the ear cups gt Secure the new ear pads to the ear cups If a problem occurs Sound problems No sound Occasional sound dropouts Sound is too low Sound only on one ear Transmitter is headphones are switched off Headphones are muted Jack plug is not properly connected Sound source is switched off Audio cable is defective Transmission between transmitter and headphones is disturbed by interferences including ESD in the vicinity Headphones are not correctl
25. using standard batteries the headphones must not be placed on the headphone holder charger of the transmitter gt Remove the ear pads from both ear cups by turning the ear pads in the direction of the arrow until you overcome a slight resistance gt Lift the ear pads off the ear cups gt Remove the depeleted rechargeable batteries where applies gt Insert the rechargeable batteries Observe correct polarity when inserting the batteries gt Secure the ear pads to the ear cups Putting the RS 170 into operation Charging the headphones rechargeable batteries CAUTION Danger of damage to the headphones If standard batteries are inserted into the headphones and you place the headphones on the headphone holder charger of the transmitter the batteries can leak and damage your headphones gt Only place the headphones on the headphone holder charger of the transmitter if rechargeable batteries are inserted Charge the rechargeable batteries for at least 16 hours prior to first time use Subsequent charging time is about half of the previous operating time The operating time is up to 24 hours gt Place the headphones on the headphone holder charger of the transmitter Make sure that the headphones make good contact with the charging contacts The rechargeable batteries are being charged The CHARGE LED lights up orange
26. y associated with the transmitter e g additional headphones Headphones are out of range Signal is shielded Interfering devices in the vicinity Volume of the sound source is adjusted too low Signal of the sound source is too weak Headphone volume is adjusted too low Audio cable is defective Audio cable is not properly connected If a problem occurs Switch the 18 20 transmitter headphones on Cancel the muting 21 Check the plug 12 connection Switch the sound source on Replace the cable Associate the 24 headphones with the transmitter again Disconnect the 15 transmitter from the mains and reconnect it again Remove the 16 rechargeable batteries from the headphones and reinsert them again Associate the 24 headphones with the transmitter Reduce the distance 11 between headphones and transmitter Remove obstacles 11 between transmitter and headphones Change your position 11 Increase the volume of the sound source Set the ATTENUATOR 13 switch O to 0 dB Increase the volume 21 by pressing the VOLUME button Replace the audio cable Check the plug 12 connection 29 If a problem occurs 30 Sound is Signal of the sound source Reduce the volume distorted is distorted Signal of the sound source is too strong Other problems of the sound source Reduce the volume 21 by pressing the VOLUME button on the headphon
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