Sennheiser 502011 Headphones User Manual
Contents
1. Z se 5 ten ff wy Contents Contents Safety INS TEUICTIONS casi acaiiasiusnrensmnnnsnaaamananianimanunmed 2 Delivery Wnclude sicsissnscssccsscesnesecdesassecsnseuandelastevededatessiecatecsaaces 4 Product OVEFVIGW sissors an 5 Putting the Set 840 S system into operation nesese 6 Setting up the transmitter sssssssessssseseresesesresressersressess 6 Connecting the transmitter to a sound source sses 7 Connecting the transmitter to the Mains seses 11 Connecting the induction loop or headphones for hearing aids to the receiver ssssesssssesssssssessesesrreesens 12 Wearing the receiver sssssessessessesssossossossessessesssossossosnossosse 13 Using the Set 840 S system ssssssssssssssessssssrsseessssserssrseessres 15 Switching the transmitter on off sissccsccscssscncescesssnccascsasseas 15 Switching the receiver on off si apscosssinscutinssnadiiessinaaseisarta 16 Adjusting the volume ssesssssssssssesesesessesesessssesessssssesessesesese 16 Searching for a sound Source Ss iaiiisiassaeccscasazeadsudadvslanasewsisinn 17 Changing the transmission channel seeseseseseesseserseeseess 17 Adjusting the balance sssssssssssesssessssesesessssssssessesssseresesese 18 Switching between mono and stereo operation 18 Individually enhancing the speech intelligibility 19 Storing and charging the receiver sssssssssrsssesssseresese 20 Charging a rechargeable2. Switching between mono and stereo operation If despite a correct balance adjustment you can hear the sound only with one ear gt Set the ST MO switch 45 on the transmitter to MO mono i Si ose ST MO 6 18 Using the Set 840 S system Meaning of the terms mono and stereo Bw S v R w LFR Example L Speech from the left R Music from the right You hear speech from the You hear speech and music left and music from the coming from the front right Individually enhancing the speech intelligibility The speech _ intelligibility D button 3 9 allows you to adjust the sound to your individual needs Try out which setting works best for you A gt Press the speech intelligibility button 3 J repeatedly until the sound is optimally adjusted to your needs Press the button 1x 2x 3x 4x Indicator 4 is z PE 2 lit yellow 3 2 Q 1 Setting 3 Default setting If necessary you can have the speech intelligibility fine adjusted to your hearing ability see page 28 19 Using the Set 840 S system Storing and charging the receiver After use place the receiver into the transmitter s char ging compartment 8 without exerting too much pressure ao D The receiver automatically gt a switches off ot wy The Sennheiser logo can face the operation indicator 49 4 or away from it When the receiver is placed
3. Transmitters that operate in the 863 865 MHz frequency range can be used licence free in the following countries AT BA BE CH CY CZ DE DK EE ES Fl FR GB GR HU IE IS IT LI LT LU LV ME MK MT NL NO PL PT RO RS SE SI SK TR UA The NT 13 mains unit is certified in accordance with the legal safety requirements of Europe the United States Canada China and Russia 34 Manufacturer Declarations Manufacturer Declarations Warranty Sennheiser electronic GmbH amp Co KG gives a warranty 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 Please dispose of the devices at the end of their operational lifetime by taking them to your local mmm COllection point or recycling center for such equipment e Battery Directive 2006 66 EC The supplied batteries or rechargeable batteries as 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 CE Declaration of Conformity e C 0682 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 devices into operation
4. please observe the respective country specific regulations 35 Manufacturer Declarations Statements regarding FCC and Industry Canada This equipment 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 equipment may not cause harmful interference and 2 this equipment 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 reason able protection against harmful interference in a residen tial 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 particular 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 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 conn
5. the loudspeakers deactivated when you connecta Usea different audio socket on transmitter your TV or use the MKE 800 TV N external microphone If a problem occurs that is not listed in the above tables or if the problem cannot be solved with the proposed solutions please contact your Sennheiser partner for assistance 27 Additional technical information Additional technical information Fine adjusting the speech intelligibility The speech intelligibility can be enhanced individually on the trans mitter see page 19 There are the following settings Indicator 4 lit Setting yellow Fine adjustment Default 3 No fine adjustment made setting A Compression NG Treble boost N NUO Compression and treble boost Compression settings 1 and 3 Deterioration of the ability to hear quiet sounds as well as loud ones is a typical symptom of old age Compression compensates for these volume differences by boosting the volume of quiet sounds and reducing the volume of loud sounds if necessary Compression seems to put the speech in the foreground making it easier to understand Compression is self regulating once it has been activated it is not necessary to make any other settings Treble boost settings 2 and 3 Another typical age related phenomenon is the deterioration of the hearing with regard to high frequencies However high frequencies are important for the intelligibility of speech The t
6. correctly into the charging compartment the indicator 4 lights up oo 20 red The battery is being charged green The battery is fully charged With a fully charged battery the operating time is up to 9 hours The transmitter remains switched on during charging If you have a second receiver it can be used with the transmitter while the discharged first receiver is being charged Always store the receiver in the transmitter s charging compartment 8 to ensure that it is fully charged The intelligent battery charging technology prevents overcharging Using the Set 840 S system Charging a rechargeable battery in the transmitter s charging compartment You can charge the receiver s rechargeable battery or a spare BA 300 rechargeable battery not included in the delivery of the Set 840 S in the charging compartment 9 at the side of the transmitter The spare battery offers extended listening time while the discharged first battery is being recharged 7 Before using the spare rechargeable battery for the first time charge it for at least 3 hours Removing and charging the receiver s battery To remove the receiver s battery gt Pull the battery out of the receiver s battery compart ment 7 gt Insert the receiver s battery into the charging compart ment 9 at the side of the transmitter as shown When the battery is inserted correctly the indicator 40 lights up red The battery is
7. mono and stereo operation 18 Switching the transmitter on off 15 Troubleshooting 26 Using the MKE 800 TV N external microphone 9 Versions EU version 7 US version 7 37 Sennheiser electronic GmbH amp Co KG Printed in China Am Labor 1 30900 Wedemark Germany Publ 06 09 www sennheiser com 528281 A01
8. off before connecting the transmitter gt Plug one end of the connection cable 20 into the blue socket 45 of the transmitter gt Check the available connection possibilities of your sound source e g TV Connection possibility Name of connection possibility A Headphone socket F en B RCA socket C SCART socket SCART adapter included with the EU version What if your sound source doesn t have any of these connection possibilities D MKE 800 TV N external included with the US version gt Connect the transmitter as described in the corre sponding chapter PJ I3 Ia or 3 If possible use the SCART connection fa SCART adapter and microphone are also available as accessories see page 30 Putting the Set 840 S system into operation A Connecting the transmitter to a headphone socket gt Plug the other end of the connection cable 20 into the headphone socket on your sound source Z We 2 Is the plug on the connection cable too small for the head phone socket gt Plug the adapter to 14 6 3 mm jack socket onto the connection cable 20 gt Adjust the volume of the headphone socket on your sound source to a medium level This improves the quality of wireless sound transmis sion For detailed information please refer to the instruction manual of your sound source e g TV 7 With most TVs the headphone socket is located at the front or sides EJ Connect
9. system Switching the receiver on off CAUTION Hearing damage due to high volumes This receiver allows you to set higher volumes A than conventional devices This can cause hearing damage in persons with healthy hearing and especially in children gt Before using the receiver set the volume on the receiver to a low level gt Do not continuously expose yourself to high volumes To switch the receiver on gt Keep the on off button 3 pressed until the channel indi cator 1 lights up The channel indicator 1 goes off after 30 seconds To switch the receiver off gt Keep the on off button 3 pressed until the channel indicator 1 goes off 7 Ifyou are not within the range of the transmitter the receiver automatically switches off after 3 minutes Adjusting the volume gt Use the volume control 2 to qer Y adjust the volume to a suffi cient and comfortable level 16 Using the Set 840 S system Searching for a sound source gt Switch the receiver on The receiver automatically searches for one of the 3 channels of the transmitter and starts the channel search on the last selected channel If a channel is found the channel search stops Your hear the sound of the sound source found Depending on the channel found the receiver produces 1 2 or 3 beeps see page 24 and the channel indicator 1 on the receiver lights up as follows SH The channel indicator goes off afte
10. the channel search button 6 on the receiver for approx 5 seconds You hear a short acoustic signal Warning signals cannot be switched off Cleaning the Set 840 S system Cleaning the transmitter and the receiver CAUTION Danger of electric shock and damage to the device electronics Liquids entering the housing of the devices can cause a short circuit and damage the electronics gt Keep all liquids far away from the devices Do not use any cleansing agents or solvents Before cleaning disconnect the transmitter from the mains gt Use only a slightly damp cloth to clean the devices 25 If a problem occurs If a problem occurs The transmitter does not switch on Possible cause Solution Is the mains unit Check the connection of the mains connected correctly unit to the transmitter and to the mains see page 11 Is the sound source Switch your sound source on switched on Is the volume of Set the volume on your sound the sound source source to a medium level sufficient You cannot hear anything Possible cause Solution Is the transmitter Choose a different place for the placed close to transmitter metal objects Make sure that the transmitter is not placed close to metal objects Are all connectors Check the connection between the connected correctly transmitter and your sound source see page 7 Is the operation Check if the transmitter is switched indicator 4
11. 2 lit on see page 15 Is the volume of Set the volume on your sound the sound source source to a medium level sufficient Is the volume of the Increase the volume by turning the receiver sufficient volume control 2 see page 16 Is the rechargeable Remove the rechargeable battery battery inserted and reinsert it into the receiver properly into the If this doesn t help recharge receiver and fully the rechargeable battery charged see page 20 26 If a problem occurs You hear the sound only with one ear Possible cause Solution Is the balance Turn the balance control 4 to the adjusted correctly left or right see page 18 Is the transmitter Set the ST MO switch 48 on the set to mono transmitter to mono MO see page 18 The sound of your sound source is hardly intelligible Possible cause Solution Is the speech intelli Press the speech intelligibility gibility enhance button 49 9 on the transmitter ment out of adjust repeatedly until the sound is ment optimally adjusted to your needs see page 19 Is there another Change the transmission channel transmitter oper see page 17 ating in the prox imity Is the receiver still Move the receiver closer to the within the trans transmitter mitter s range The loudspeakers of your TV are muted Possible cause Solution Some TVs have a Via the operating menu of your TV function that mutes check if and how the muting can be
12. age 32 not operated near heat sources Safety instructions Intended use Intended use includes e having read this instruction manual especially the chapter Safety instructions on page 2 e using the products within the operating conditions and limitations described in this instruction manual Improper use means using the products other than as described in this instruction manual or under operating conditions which differ from those described herein Safety instructions for the Lithium Polymer rechargeable battery The BA 300 is a Lithium Polymer rechargeable battery If abused or misused this rechargeable battery may be damaged Please under stand that Sennheiser does not accept liability for damage arising from abuse or misuse WARNING In extreme cases the rechargeable battery may even presenta A e heat hazard e fire hazard e explosion hazard e smoke and gas hazard Only charge rechargeable 4 Do not heat above 70 C batteries with the appro A 158 F e g do not expose to priate Sennheiser char sunlight or throw into a fire gers Return defective When not using the devices or exhausted rechargeable battery for rechargeable batteries to extended periods of time your specialist dealer charge it regularly every 6 months for about 1 hour Do not short circuit Only charge rechargeable batteries at ambient temperatures between 10 C 50 F and 40 C 104 F Do not mutilate or
13. battery in the transmitter s charging compartment cesceccseecccsseseeceeeeecceeseceeees 21 What if saes ssesecivsan racks wnaeieasteevnnsea ssa aana iai aai aaie 22 we this indicator lights Up eessssssessessesssssssesssssssessesreereeesees 22 we YOU press this button esesssssssessssssesessssessessssssessesssessees 23 you change the position of this control switch 23 you hear acoustic signals or warning signals 24 Cleaning the Set 840 S system uo ceseseeseeeeeeeeeeeeeneenee 25 Cleaning the transmitter and the receiver eesse 25 If A problem OCCULS se cccescesscccssecsssecsssessseesssessescsseseseeeeneess 26 Additional technical information ces eceeseeseeseeeeeeeeee 28 Accessories and Spare parts cecesessscseseeceeeseeceeeeeeeeeees 30 Specifications sseui a EEEE 32 Manufacturer Declarations sssssssssesessssesesessssessrresesssssrreessne 34 MALEK 55 iss cconnpdaiv con sna vaccanopuincainggpaannanennnaro vnc iias ainsa ERS 36 Safety instructions Safety instructions e Please read this instruction manual carefully and completely before using the products e Make this instruction manual easily accessible to all users at all times Always include this instruction manual when passing the products on to third parties e Do not use the products in situations which require special atten tion e g when performing skilled jobs e Always keep the products dry and
14. being charged The charging time is approx 3 hours green The battery is fully charged gt Insert the battery into the receiver as shown gt Slide the battery into the battery compartment 7 as far as it will go 21 What if What if this indicator lights up Channel O indicator G on the receiver Operation indicator 42 on the trans mitter Charging indicator 4 Charging indicator 30 Speech intelli 2 gibility indi 22 cator 4 on the transmitter lit yellow flashes off lit green off lit red lit green lit yellow off The receiver has just been switched on or a button has just been pressed The distance between receiver and transmitter is too great The receiver switches off after 3 minutes The receiver is switched on for more than 30 secs and no button has been pressed The receiver is switched off The transmitter is switched on The transmitter is switched off The rechargeable battery is being charged The rechargeable battery is fully charged The speech intelligibility enhancement is switched on The speech intelligibility enhancement is switched off What if you press this button Channel search Searches for the sound 17 button 6 onthe source or a different channel receiver Speech Selects one of the possible 19 intelligibility settings in order to individu button 49 P al
15. do not expose them to extreme temperatures e Use the products with care and set them up in a clean dust free environment e Varnish or furniture polish may degrade the feet of the transmitter which could stain your furniture You should therefore place the transmitter on a non slip pad to avoid potential staining of furniture e This receiver allows you to set higher volumes than conventional receivers to which headphones can be connected This can cause hearing damage in persons with healthy hearing and especially in children e Refer all servicing to qualified service personnel Servicing is required if the products have been damaged in any way liquid has been spilled objects have fallen inside the products have been exposed to rain or moisture do not operate properly or have been dropped e WARNING To reduce the risk of fire or electric shock do not expose the products to rain or moisture e Use only the supplied mains unit e Disconnect the mains connector from the wall socket to completely disconnect the products from the mains during lightning storms or when unused for long periods of time e Ensure that the mains unit is always readily operable and easily accessible properly plugged into the wall socket not covered or exposed to direct sunlight for longer periods of time in order to prevent heat accumulation only operated within the permissible temperature range see Specifications on p
16. ected e Consult the dealer or an experienced radio TV technician for help This class B digital equipment 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 Before putting the equipment into operation please observe the respective country specific regulations 36 Index Index Receiver Adjusting the balance 18 Adjusting the volume 16 Attaching the receiver to clothing 14 Automatic channel search 17 Channel indicator meaning 22 Cleaning 25 No sound signal 26 Operating elements 5 Operating time 20 Reception is subject to interference 17 Searching for a sound source 17 Sound is hardly intelligible 27 Sound is only audible with one ear 27 Storing and charging the receiver 20 Switching the acoustic signals off 25 Switching the receiver on off 16 Rechargeable battery Replacing and charging the rechargeable battery 21 Special functions Fine adjusting the speech intelligibility 28 Treble boost control 29 Terms Compression treble boost 28 Mono stereo 19 Transmitter Changing the channel 17 Cleaning 25 Connection to a headphone socket 8 Connection to a SCART socket 9 Connection to a sound source 7 Connection to an RCA socket 8 Connection to the mains 11 Enhancing the speech intelligibility 19 Installation 6 Operating elements 5 Operation indicator meaning 22 Switching between
17. ing the transmitter to an RCA socket gt Plug the audio adapter for RCA socket 22 onto the connection cable 20 gt Connect the red connector of the audio adapter 2 to the red RCAsocketR of your sound source gt Connect the white connector of the audio adapter 2 to the white or black RCA socket L of your sound source 7 With most TVs the RCA socket is located at the rear If your TV has several RCA sockets use the socket RCA output Putting the Set 840 S system into operation Connecting the transmitter to a SCART socket gt Plug the SCART adapter 23 onto the connection cable 20 to the SCART socket on C7 EAD f A your TV If your TV has several SCART sockets use the socket SCART output D Using the MKE 800 TV N external microphone What if your sound source doesn t have any of the connec tions mentioned above You can then use the optional MKE 800 TV N microphone What if your sound source mutes the external loud speakers if you use one of the connections mentioned above Via the operating menu of your TV check if the muting can be deactivated If the muting persists use the optional MKE 800 TV N microphone instead of the connection cable I N A n NA v nR g D P Putting the Set 840 S system into operation To connect the MKE 800 TV N microphone If possible adhere the supplied Velcro tape directly in front of the loudspeake
18. j Do not charge the recharge tae dismantle A able battery if the device is obviously defective Store the devices N Do not expose to moisture A rechargeable batteries in a cool and dry place at room temperature Delivery includes Delivery includes The Set 840 S system is available as an EU and a US version The following table shows which items are included with the respective version Components of the Set 840 S system ts 1 RR 840 S receiver with BA 300 aff Lithium Polymer rechargeable battery TI 840 transmitter with integrated J charging compartments NT 13 mains unit with 2 country adapters EU UK J 1 country adapter US J connection cable with two 3 5 mm stereo jack plugs J for connection to a headphone socket audio adapter 3 5 mm to 1 4 6 3 mm jack plug audio adapter for RCA socket e g TB Aux Out audio adapter for SCART socket V E MKE 800 TV N microphone V EZT 3011 induction loop lanyard clip for attaching the receiver instruction manual installation manual re Product overview Product overview The overview pictures of the receiver and the transmitter can be found on the inside front cover of this instruction manual ea Receiver OIOI 9O Channel indicator Volume control On off button C Balance control Socket for headphones induction loop or connection cable to hearing aid Channel search button Battery compartment H Transmit
19. ly enhance the speech on the transmitter intelligibility you change the position of this control switch Volume control 2 Reduces or increases the 16 on the receiver volume of the receiver Balance control 4 Increases the volume forthe 18 on the receiver left or the right ear Channel selector Selects a different transmis 17 switch 48 on the sion channel transmitter ST MO switch Sets the transmitter to 18 on the transmitter mono or stereo operation Treble adjustment Treble adjustment is only to 28 control 4 on the be made by a hearing aid transmitter technician an expert 23 What if you hear acoustic signals or warning signals 3 ascending beeps 1 acknowledgement beep I 3 descending beeps boo 1 3 short beeps The receiver has just been switched on The receiver has just been switched off The channel search button has been pressed once briefly The channel search button has been pressed for 5 seconds The receiver is set to channel 1 2 or 3 warning signal Meaning eae 6 short H beeps D A 2 long beeps 24 The receiver does not receive any signal from the transmitter e The distance between trans mitter and receiver is too great The receiver switches off after 3 minutes e The transmitter is switched off The rechargeable battery is almost flat Cleaning the Set 840 S system To switch the acoustic signals on and off gt Press
20. n 502014 RR 840 S receiver 502027 RR 840 stethoset receiver 30 Accessories and spare parts The following Set 840 S accessories are available from your specialist dealer Cat No 500898 502566 504061 003448 528185 528184 517627 500974 502710 001676 004658 001678 004657 002408 004652 002409 004653 Accessory spare part BA 300 spare rechargeable battery EZT 3011 induction loop EZT 3012 induction loop EZI 120 induction couplers Lanyard Clip for attaching the receiver Extension cable 3 m 3 5 stereo jack plug MKE 800 TV N external microphone mono L 300 10 10 charger HZL connection cables HZL 30 6 3 5 mm jack plug to 1 mini plug 40 cm HZL 30 600 3 5 mm jack plug to 1 mini plug 60 cm HZL 32 6 3 5 mm jack plug to 2 mini plugs 40 cm HZL 32 600 3 5 mm jack plug to 2 mini plugs 60 cm HZL 34 6E 3 5 mm jack plug to 1 Euro plug 40 cm HZL 34 600E 3 5 mm jack plug to 1 Euro plug 60 cm HZL 36 6E 3 5 mm jack plug to 2 Euro plugs 40 cm HZL 36 600E 3 5 mm jack plug to 2 Euro plugs 60 cm 31 Specifications Specifications System Modulation Carrier frequencies EU version US version Frequency response THD Charging time for rechargeable battery Signal to noise ratio 1 mV peak deviation Operating temperature Transmitter RF radiated power EU version US version Range EU version US version Audio microphone connection Power supply Max
21. power consump tion transmitter in conjunction with the NT 13 mains unit Max current consumption Standby consumption Weight Dimensions 32 FM stereo 863 3 864 0 864 7 MHz 925 95 926 8 927 5 MHz 50 Hz 16 000 Hz lt 1 approx 3 hours typ 70 dB A 10 C to 40 C max 10 mW EIRP max 50 mV m at a distance of 3 m up to 100 m up to 100 ft 3 5 mm stereo jack socket 13 5 V 2 4 W incl battery and receiver charging and with switched on transmitter 140 mA approx 0 9 W w o battery charging approx 260g approx 112 x 146 x 58 mm Receiver Audio connection Power supply Operating time Weight Dimensions NT 13 mains unit Nominal input voltage Mains frequency Nominal output voltage Nominal output current Ambient temperature Specifications 3 5 mm stereo jack socket via BA 300 rechargeable Li Pol battery 3 7 V 150 mAh up to 9 hours approx 50 g with BA 300 approx 70 x 60 x 26mm 100 V to 240 V 50 60 Hz 13 5 V DC 500 mA 5 C to 40 C 33 Specifications In compliance with Europe EMC EN 301489 1 9 CE Radio EN 301357 1 2 Safety EN 60065 The devices can be operated license free in most countries of the European Union Approved by Canada Industry Canada RSS 210 IC 2099A SET840 USA FE FCC 47 CFR Part 15C FCC ID DMOSET840
22. r 30 seconds so that the light won t disturb you in a dark room What if you don t hear the desired sound source The channel search has possibly found another sound source e g from another nearby system To continue the channel search gt Press the channel search button 6 on the receiver repeat edly until you have found your sound source If you still cannot find your sound source gt Change the transmission channel as described in the next chapter Read the chapter If a problem occurs on page 26 Changing the transmission channel If several transmitters are operated simultaneously and are very close to one another reception can be subject to inter ference e g hissing noise 17 Using the Set 840 S system gt Change if necessary several times the position of the channel selector switch 48 on the transmitter to change to e 8 an interference free channel You can choose between 3 gt Press the channel search button 6 on the receiver to re start the channel search channels If reception is still subject to interference gt Read the chapter If a problem occurs on page 26 Adjusting the balance The balance control allows for right left volume adjustment Adjust the balance so that you hear equally well with both ears gt Turn the balance control 4 to the left L or right R in order to increase the volume for the corresponding ear
23. r of your TV gt Press the microphone onto the Velcro tape gt Connect the jack plug of the microphone to the blue socket 45 of the transmitter 7 You can change the sound by varying the position of the microphone in front of the loudspeaker 10 Putting the Set 840 S system into operation Connecting the transmitter to the mains The EU and UK country adapters are included with the EU version of the Set 840 S the US country adapter is included with the US version of the Set 840 S gt Slide the supplied country adapter 25 onto the mains unit 24 gt Connect the yellow connector of the mains unit to the yellow socket 9 of the transmitter gt Plug the mains unit 24 into a wall socket The operation indicator 2 9 on the transmitter lights up green When connecting the transmitter to the mains for the first time charge the rechargeable battery for Bh 3 hours as described in the chapter Storing and charging the receiver on page 20 fH sf there is no audio signal from the sound source for I about 3 minutes the transmitter automatically switches off The operation indicator 42 goes off To disconnect the transmitter from the mains pull out the mains connector from the wall socket When not using the transmitter for extended periods of time e g when you are on holiday pull out the mains connector from the wall socket In this case however the receiver s rechargeable batte
24. reble boost makes the speech clearer and easier to understand With the treble boost settings 2 and 3 additional fine adjustment is possible using the treble boost control 47 at the rear of the transmitter 28 Additional technical information gt Use a screwdriver to turn the treble boost control 7 to the left or right until the sound can be heard very well g o Wor anit ee The position 0 corresponds to a minimum boost the position MAX corresponds to a maximum boost and the control is factory preset to the medium position Function of the treble boost control By means of the transmitter s steplessly adjustable treble boost control 4 the audio signal is boosted as shown in the diagram The treble boost control 7 allows you to select one of the curves shown in the diagram below dB 20 10 29 Accessories and spare parts Accessories and spare parts CAUTION Danger of damage to the device Components from other manufacturers e g for power supply or rechargeable battery may cause damage to the device and will invalidate the warranty gt Use only original Sennheiser accessories and spare parts For the Set 840 S the following receivers and stethoset receivers are available from your specialist dealer Cat No Accessory spare part EU version 502026 RR 840 S receiver 502025 RR 840 stethoset receiver US versio
25. ry will not be recharged 11 Putting the Set 840 S system into operation Connecting the induction loop or headphones for hearing aids to the receiver The socket 5 of the receiver allows you to connect e the supplied induction loop 23 e headphones or e a connection cable to your hearing aid or to induction couplers Connecting the induction loop gt Carefully remove the clip 26 from the receiver Attach the clip of the induction loop as shown gt Connect the induction loop 28 to the socket 5 of the receiver gt Set your hearing aid to position T If your hearing aid has no position T please contact your hearing aid acoustician 7 For alternative connection possibilities to your hearing aid as well as the connection to cochlea implants please contact your hearing aid acoustician 12 Putting the Set 840 S system into operation Connecting headphones gt Connect the 3 5 mm jack plug of the headphones to the socket 5 of the receiver Wearing the receiver In order to wear the receiver you can use the supplied lanyard 27 the clip 26 or the supplied induction loop 23 The induction loop is suitable for users of hearing aids the lanyard and the clip are useful if you are using headphones Wearing the receiver around the neck If you want to wear the receiver around your neck use e the supplied lanyard 2 or e the connected induction loop 2 where applies To at
26. tach the lanyard 27 gt Connect the fasteners of the lanyard 27 to the metal ring at the rear of the receiver gt Wear the receiver around your neck with the Sennheiser logo facing away from your body 13 Putting the Set 840 S system into operation Attaching the receiver to clothing or belt If you want to attach the receiver to your clothing or belt use the attachment clip 26 To attach the receiver gt Attach the clip to your clothing or belt To remove the receiver gt Pull the clip 26 with the receiver t away from your clothing or belt 14 Using the Set 840 S system Using the Set 840 S system To switch the Set 840 S system on proceed as follows Sequence of steps 1 Switch your sound source e g TV on 15 2 Adjust the volume on the receiver to alow level 16 3 Switch the receiver on 16 4 Adjust the desired volume on the receiver 16 5 If necessary set a different channel on the transmitter stl Switching the transmitter on off To switch the transmitter on gt Switch your sound source on The transmitter automatically switches on The opera tion indicator 2 Q lights up green If the transmitter doesn t switch on gt Read the corresponding chapter on page 26 To switch the transmitter off Switch your sound source off The transmitter automatically switches off after 3 minutes The operation indicator 42 4 goes off 15 Using the Set 840 S
27. ter 000 OLOJO Charging compartment for receiver Charging compartment for optional spare rechargeable battery Charging indicator for optional spare rechargeable battery Charging indicator for receiver s rechargeable battery Operation indicator 9 Speech intelligibility button Indicator for the selected speech intelligibility Socket marked blue for connection of sound source or external microphone ST MO slide switch stereo mono Treble adjustment control Channel selector switch DC socket marked yellow for connection of mains unit Putting the Set 840 S system into operation Putting the Set 840 S system into operation Setting up the transmitter Choose a suitable place near your sound source e g TV 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 It is not necessary that the transmitter and receiver are in the same room so you can move around freely in the home or outside in the garden When the receiver leaves the range of the transmitter it produces warning signals and then automatically switches off after 3 minutes Pw One transmitter can be used to transmit to several receivers on the same frequency Putting the Set 840 S system into operation Connecting the transmitter to a sound source gt Switch your sound source e g TV
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