Table of Contents
Advertisement
Quick Links
Contents
50 Contents
51 Introduction
55 figure references
50
64 Listening via the trans m itter unit
314 appendix
328 areas of application
336 Warranty conditons
Bellman audio Domino Classic
personal Hearing System, Be2250/Be2270
Introduction
thank you for choosing products from Bellman & Symfon.
Bellman audio is an assistive listening system. the system consists of a number
of units which facilitate listening under different circumstances. Bellman audio
products make everyday life easier for many people and give them the free-
dom to freely pursue their interests.
Bellman audio Domino comprises easy-to-use wireless audio products which
have been specially developed to help in circumstances where listening is dif-
ficult. the use of the latest technology in digital signal processing, encryption
and wireless technology provides you with fantastic sound quality, secure and
reliable radio transmission and great flexibility in how you use the system. the
radio solution used and the flexible battery charging ensure that the products
can be used safely and easily throughout the world.
read through the entire user manual before starting to use the product. refer
to the diagram showing the accessories and connection options.
DE
DK
EN
ES
FI
FR
IT
JP
NL
PL
SE
SI-CN
TR-CN
APP
51
Advertisement
Table of Contents
Related Manuals for Bellman & Symfon BE2250
Summary of Contents for Bellman & Symfon BE2250
-
Page 1: Table Of Contents
Contents Bellman audio Domino Classic personal Hearing System, Be2250/Be2270 Introduction 50 Contents 63 Switching on the transmitter unit 51 Introduction 64 Listening via the trans m itter unit thank you for choosing products from Bellman & Symfon. 52 Important Safety InStruC- 64 Listening on the receiver unit’s Bellman audio is an assistive listening system. the system consists of a number tIonS microphone again 55 What is in the box? 65 Switching off of units which facilitate listening under different circumstances. Bellman audio products make everyday life easier for many people and give them the free- 55 figure references 65 external sound source 57 Getting started 66 external microphone dom to freely pursue their interests. 67 Combined signal sources 57 testing... -
Page 2: Important Safety Instructions
Important Safety InStruCtIonS Please note: The BE2250 and BE2270 Bellman Audio Domino Classic Personal Hear- ing Systems are not hearing instruments. Bellman & Symfon AB recommend that anyone who is experiencing hearing loss should consult a doctor. Warning! The BE2250 and BE2270 Bellman Audio Domino Classic Personal Hearing • Read these Instructions. Systems have a very powerful amplifier and the sound level can cause discomfort or, • Keep these Instructions. in serious cases, endanger hearing if the product is used carelessly. Always turn the • Heed all Warnings. volume down to a low level before putting on the headphones! • Follow all instructions. • Do not use this apparatus near water. Warning! The Bellman Audio Domino Classic Personal Hearing System is powered • Clean only with a dry cloth. by rechargeable Lithium-Ion batteries. Do not expose the batteries to fire or to direct • Do not block any of the ventilation openings. Install in accordance with the manufacturers sunlight. The batteries must only be changed by Bellman & Symfon staff and must instructions. only be replaced by batteries of the same type. There is a risk of explosion if the bat- • Do not install near any heat sources such as radiators, heat registers, stoves, or other ap- teries are not replaced correctly. The batteries must be charged fully before using the paratus (including amplifiers) that produce heat. products for the first time. Batteries should be charged in temperatures of between • Do not defeat the safety purpose of the polarized or grounding - type plug. A polarized plug +5°C and +40°C. has two blades with one wider than the other. A grounding type plug has two blades and a third grounding prong. The wide blade or the third prong are provided for your safety. When... -
Page 3: What Is In The Box
Warning! For the safety of your children - Please be aware that this product may include small parts. Ensure that the package and small parts are kept out of reach of the box contains everything you children. normally need in order to use Bell- Receiver unit man audio Domino Classic. Internal microphone for receiver This symbol indicates that integral electrical equipment must not be treated as unit household waste. It should be taken to the relevant collection depot for the recycling of electrical and electronic equipment. You can obtain more detailed information the box contains: Internal microphone setting LeD about recycling of the product from your local authorities, from the nearest recycling station or from the shop you purchased the product from. A Be2250 receiver unit Battery status LeD B Be2270 transmitter unit Green: Switched on with well C Be9147 travel case charged battery D user manual Blinking Green: Switched on but the Be9142 universal charger with 4 battery charge is low mains plugs Blinking Orange: Switched on with Be9139 Charging cable, uSB flat battery - will soon switch itself G Be9135 neck strap with safety clasp (2 pcs) Orange: Charging... -
Page 4: Getting Started
Getting started on/off button Transmitter unit 16 Internal microphone for trans- Button for selecting listening via mitter unit transmitter 17 Battery status LeD testing Volume and tone LeD Indicator Green: Switched on with well charged Both the transmitter and receiver units are supplied with built-in rechargeable Button for increasing sound level battery batteries. the batteries in both the transmitter unit and receiver unit must be 10 Button for reducing sound level Blinking Orange and Green several fully charged before using the products for the first time. please use the charger times: An external sound source has supplied. 11 Button for reducing treble been connected Connect the Headphones to the headphone output (13) and switch on the 12 Button for increasing treble Blinking Green: Switched on but the receiver unit with the on/off button i (6). Listen to the receiver unit’s micro- battery charge is low 13 Headphone output 3.5 mm jack phone and adjust the volume using the Volume Buttons + or - (9 or 10). -
Page 5: How To Use Bellman Audio Domino Classic
How to use Bellman audio Domino Classic the tone control adjusts the sound quality. > (12) increases and < (11) reduces the treble. the Volume and tone LeD Indicator (8) shows the tone setting. the LeD indicator goes out 5 seconds after the sound quality has been set. When you have finished, you can switch off the transmitter and receiver units the Be2250 and Be2270 Bellman audio Domino Classic personal Hearing Sys- by pressing the on/off buttons i (6, 18) and holding them down until the Bat- tems are personal hearing systems which have been specifically developed to tery Status LeDs (3, 17) go out. provide an excellent sound experience even in demanding situations. Bellman audio Domino Classic works extremely well for speech and music. you can use the built-in microphones in the receiver unit and the transmitter unit or use an external sound source. you can use an external microphone or the stereo cable set as an external source source for connection to a stereo sound source. SI-CN TR-CN... -
Page 6: Symbols And Indicators
Symbols and indicators Charging the following symbols are used in the user manual and can be explained as Both the transmitter and receiver units are supplied with built-in rechargeable follows: batteries. the batteries in both the transmitter and receiver units must be charged before using the products for the first time. the warning triangle indicates information which must be followed in order to guarantee operation and also in some cases to ensure personal Bellman audio Domino Classic contains Lithium-Ion batteries and a universal safety. charger with plugs for the eu, united Kingdom, uSa and australia to suit the the light bulb (tip, note) indicates information which can be useful to majority of wall sockets used around the world. help you get the most out of the product. Warning: The product may only be charged with the charger supplied or a permanently lit LeD is indicated by solid indi- using accessories from Bellman & Symfon. cator. a blinking LeD is indicated by a sunlike solid Connect the charger as illustrated in the fold-out section of the manual. indicator. III Indicators that are switched off are indicated by Select the mains plug for the appropriate region and check that it is locked an empty circle. properly before it is connected to the wall socket. When the charging connec- IV If a button must be held down for more than a tors are connected to the charger, the transmitter unit and the receiver unit, certain time, this is indicated by a grey button the Battery Status LeDs (3 and 17) change from green to orange to indicate that SI-CN and a stop watch symbol with a figure which charging is taking place. When charging is finished, after about 2.5 hours, the TR-CN corresponds to the number of seconds that the LeDs turn green again. you can charge one unit at a time or two at the same button must be held down for. -
Page 7: Using The Receiver Unit
using the receiver unit Selecting the tone use the tone control’s < button (11) to reduce and the Connect Be9122 Bellman Stereo Headphones, Be9128 Bellman neck Loop, > button (12) to increase the treble in the tone. the Be9125 Bellman Stetoclip, Be9124 Bellman In-ear phones or another listening Volume and tone LeD Indicator (8) shows the selected product recommended by Bellman & Symfon to the headphone output (13) on setting. the LeD indicator goes out 5 seconds after the the right-hand side as illustrated in the fold-out section of the manual. sound quality has been set. Switching on the Receiver Unit press the on/off button i (6). the Battery Status LeD (3) starts to shine with a green light to indicate that the unit is on. The Receiver Unit can be used as a small and adaptable self-contained call the receiver unit always starts with the internal amplifier, but together with the Transmitter Unit it opens up a whole new microphone selected as a sound source. In addition, range of possibilities. You can achieve the greatest flexibility when using the the volume control is always set to low volume to avoid Receiver Unit together with the Transmitter Unit. unpleasant sound levels. Selecting the sound volume use the volume control’s + button (9) to increase and using the transmitter unit the - button (10) to decrease the sound level. the SI-CN Volume and tone LeD Indicator (8) shows the sound TR-CN Switching on the Transmitter Unit level. the more LeDs that are lit the higher the volume. -
Page 8: Listening On The Receiver Unit's Microphone Again
Switching off Listening via the Trans- mitter Unit When you have finished, you to listen on the microphone can switch off the transmitter in the transmitter unit press and receiver units by press- the R button (7) on the ing the on/off buttons i (6, receiver unit. the external 18) and holding them down sound LeD (4) comes on until the Battery Status LeDs and the sound detected in (3, 17) go out. the transmitter unit is now heard in the headphones. external sound source If the audio cable (which has a small 2.5 mm jack plug on one end), or if the ex- ternal microphone is connected to the transmitter unit’s external sound source input (20), the transmitter unit’s internal microphone will be disconnected and Listening on the Receiver Unit’s microphone again the external sound source will be automatically selected. the Battery Status If you want to switch back to the internal microphone, LeD blinks orange several times to confirm that an external sound source has give a short press on the M button (5). the internal been connected. the external Sound LeD (4) will light up green and orange microphone LeD (2) comes on and the sound heard in at the same time to indicate that the sound is coming from an external sound the headphones now comes from the Internal micro- source. -
Page 9: External Microphone
external microphone Combined signal sources you can connect an external microphone to the transmitter’s 2.5 mm socket (20). the Battery Status LeD blinks orange several times to confirm that an ex- When you are listening via the ternal sound source has been connected. the external Sound LeD (4) will light transmitter unit’s microphone up green and orange at the same time to indicate that the sound is coming or an external Sound Source, from an external sound source. this sound can be combined with the sound that the internal In some cases it may, for example, be easier for a lecturer to have an external microphone in the receiver unit microphone and a transmitter unit in his/her pocket than to speak in a loud is receiving. Choose to listen on voice or carry a wired microphone. the transmitter unit by pressing the R button (7). Hold down the a transmitter unit can transmit speech to one or more receiver units at the M button (5) until both the mIC same time. (2) and rf LeDs (4) light up. the input sensitivity is automatically adjusted to a suitable amplification when an external microphone is connected. the sound from the transmitter unit is mixed with the sound from Please note that the Transmitter Unit’s Battery Status LED (17) blinks alter- the internal microphone. you can SI-CN nately green and orange several times when an external sound source is adjust the balance between the TR-CN connected. receiver unit and the transmitter unit’s microphone by holding down the M button (5) at the same time as setting the balance using the < (11) or > buttons (12). -
Page 10: Wireless Digital Transfer
establishing a temporary link with another transmitter unit If you want to go back to listening on the transmitter unit, press the R button (7) and if you want to switch over to listening on the internal microphone, press the radio link between the transmitter and receiver units in the Bellman audio the M button (5) instead. Domino Classic must be established in order for radio communication to oper- ate. to make it easy to get started, receiver units and transmitter units which Wireless digital transfer are supplied together are always paired up so that they will work together. Bellman audio Domino Classic uses the latest radio communications technol- ogy to digitally transfer sound with an exceptionally high sound quality in Whenever you want to listen on another transmitter unit you can establish a stereo. the radio transmission is encrypted to ensure the highest level of temporary link with it. as soon as you switch off the receiver unit it returns to security and confidentiality. working with the paired transmitter unit again. proceed as follows to establish a temporary radio link between a transmitter and a receiver: Radio communication takes place on 2.4 GHz which is a frequency range whose use is permitted throughout the world. • Start both the units with the on/off buttons (6, 18). • Hold down CONNECT (19) on the transmitter unit. Battery indicator • Hold down both the M button (5) and the R button (7) on the receiver unit. the Battery Status LeD (3, 17) normally lights up green. this indicates that the unit is switched on and the battery level is satisfactory. a ”running light” on the receiver unit’s Volume When the battery is low, the Battery Status LeD (3, 17) blinks green until the and tone LeD Indicator (8) battery is almost completely flat when it blinks orange instead. as soon as it SI-CN moving towards the centre blinks green it is time to charge the unit again. If the unit is not charged, it is TR-CN indicates that the link has switched off automatically. -
Page 11: Accessories
Please note that it is possible to connect several Receiver Units to the same the following accessories are available: Transmitter Unit by repeating the above procedure. There is, however, a risk • Be9122 Stereo headphones that the number of receivers may affect the performance of the system. • Be9124 In-ear phones • Be9125 Stetoclips • Be9137 Stereo cable, 1.5 m with adapter from 3.5 mm jack to rCa (phono) connectors • Be9126 Stereo Cable Kit, 5 m (16 feet) • Be9136 microphone with clip • Be9128 neck loop • Be9141 Deluxe travel case • Be9143 uSB car charger • Be1360 Scart switch box • Be2250 receiver unit SI-CN for all accessories and for more information about the latest accessories please TR-CN visit our website at http://www.bellman.com. -
Page 12: Troubleshooting In Brief
troubleshooting in brief Problem Solution Connect the radio link and check that the connection is made without problems. Problem Solution Check that the sound source is correctly connected to the transmitter if the stereo cable is connected to the external nothing happens when you Connect the charger and check that charging starts within Sound Source Input (20). try to start the units. 10 seconds. a high-pitched noise is turn down the volume or increase the distance between Please note! If charging does not start within 10 seconds, heard in the headphones. the microphone and headphones. disconnect the charger immediately and contact the nearest dealer! Direct the microphone away from you. no sound can be heard in turn up the volume using the volume control (9). the sound breaks up or the receiver unit is too far away from the transmitter the headphones when the comes and goes. unit. move the units closer together. Check that the internal microphone has been selected as receiver unit is switched the signal source and that it works by gently scraping on more than one receiver is connected to the transmit- the microphones (1). ter and at least one receiver is too far away from the transmitter. Check that the headphone plug is securely inserted in the headphone output. too many receivers are connected to the same trans- mitter. Connect the headphones to another sound source (with a 3.5 mm headphone output) to test whether the head- there are too many transmitters on 2.4 GHz or too many... - Page 13 Appendix Version information The product version information is presented here via a pattern of lit and blinking LEDs. This internal information is only intended as an aid for servicing Settings and support. Bellman Audio Domino Classic has some settings that you cannot access in user mode.
- Page 14 Testing Proceed as follows to pair up the units: • Start both the units with the On/Off buttons i (6, 18). • Go into the Settings Menu. It is easy to test the Bellman Audio Domino Classic Personal Hearing System. If the Bellman Audio Domino Classic does not operate as described below, you •...
- Page 15 Troubleshooting • Press the R button (7) and make sure that the External Sound LED (4) lights up green. • Carefully scrape on the round microphone (16) on the Transmitter Unit with your finger and check that there is a scraping sound in the headphones. Problem Solution •...
-
Page 16: Technical Information
40 – 10.000 Hz (electrical) Max output level, saturation Power supply BE9122 Headphones BE2250: 124.3 dB SPL / BE2270: 124.3 dB SPL (@ 2.5 kHz) BE9124 Ear Phones BE2250: 132.0 dB SPL / BE2270: 130.5 dB SPL (@ 5 kHz) Battery power... - Page 17 9 steps (5 dB/step) Dimensions HxWxD 99 x 48 x 22 mm Tone control +/- 10 dB in 9 steps, cut-off frequency 1.6 kHz Weight BE2250: 74 g, BE2270: 70 g Power switch On/Off toggle button Colour White/grey with silver-coloured buttons. Regulatory requirements...
- Page 18 Measurements Output signal with BE9124, In-ear phones Frequency response Acoustical (BE9122 Headphones, BE9124 Ear Phones and BE9125 Stetoclips). See diagrams below. Output signal with Output signal with BE9122, Stereo head- BE9125, Stetoclips phones...
- Page 19 FCC compliance statement eAR PhONeS heAdPhONeS STETOCLIPS This device complies with Part 15 of the FCC Rules. 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. Warning: Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
Need help?
Do you have a question about the BE2250 and is the answer not in the manual?
Questions and answers