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Digital Audio Broadcasting

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Digital Audio Broadcasting R Digital audio broadcasting GENERALDigital audio broadcasting INFORMATION Digital radio reception E94094 DAB radio is very different from normal AM/FM Digital radio is transmitted from regional radio in both operation and sound quality. The transmitters. Some local channels are not DAB network is designed to provide near CD available outside the range of their quality from radio broadcasts. In most transmitters. If you want to listen to local locations DAB signals are available without channels as you move around the country, use hiss, crackle, pop or interference, and no the auto-tune function (AUTO) to build new fading or overlap. channel lists. For more information on the DAB radio can significantly increase the auto-tune function. See CHANNEL number of radio channels/stations available. AUTOMATIC TUNING (page 275). The DAB signals are transmitted to most major Note: If any auxiliary electrical equipment is cities, towns and motorway networks. connected to the vehicle, then this may reduce Radio signals travel in a straight line so large the DAB radio sound quality. obstacles, such as tall buildings, can shield the vehicle from the signal, causing temporary loss of reception (known as dead spots). 271 L Digital audio broadcasting Ensembles When scrolling through the channels the Unlike AM/FM radio, DAB transmits several sub-channels will appear in order, and can be channels/stations on a single frequency. A selected in the same way as the channels. If group of channels is known as an ensemble. reception is lost when the vehicle is in motion Ensembles may consist of six or more select AUTO to build a new list of ensembles. channels (national or local). Some may have The table below provides an example of the sub-channels offering several listening ensembles, channels and sub-channels options. available in one location. Ensemble Channel/station Sub-channel 1 Sub-channel 2 First ensemble Channel/station 1 Channel/station 2 Sub-channel Channel/station 3 Channel/station 4 Channel/station 5 Channel/station 6 Sub-channel Sub-channel Channel/station 7 Channel/station 8 Channel/station 9 Second ensemble Channel/station 1 Channel/station 2 Channel/station 3 Channel/station 4 Channel/station 5 Channel/station 6 Third ensemble Channel/station 1 Channel/station 2 Channel/station 3 Channel/station 4 272 R Digital audio broadcasting AUDIO CONTROLS TA-FM DAB-i Link DPLII Audio/TV DAB1 BBC Radio2 AM/FM BBC National DAB Settings DAB radio DAB search CD Radio 1 BBC R2 Viking Portable audio Trent Century BBC Leic 1 TV 12 : 26 pm 6 2 5 3 E94503 4 1. Touch-screen. See TOUCH-SCREEN Steering wheel controls (page 109). 2. Seek up. 1 2 • Short press to find the next channel. • Long press (two seconds) to find next available ensemble. 3. Settings: • Short press to display the audio Settings menu. • Long press (two seconds) to display the 4 3 Vol presets menu. E94043 4. On/off and volume control. 1. Rotate up or down to increase or decrease 5. SOURCE button. the audio volume. • Press repeatedly to select the next 2. Rotate and release to scroll through available audio source FM1, FM2, AM, channels. Rotate and hold for two seconds DAB1, DAB2, DAB3, iPod, USB, to select next available digital ensemble. Auxiliary, TV. 3. Press the SOURCE button repeatedly to 6. Seek down. scroll through the available audio sources • Short press to find previous channel. FM1, FM2, AM, DAB1, DAB2, DAB3, CD, • Long press (two seconds) to find iPod, USB, Auxiliary input and TV. previous available ensemble. 4. Press to mute the audio unit. This button is also used to start, answer or end calls in phone mode and to start a Voice session. 273 L Digital audio broadcasting DISPLAY OPTIONS Note: The display can also show PTY or Ensemble information if you have selected one Touch-screen information panel of these options under DAB text on the Settings menu. See SETTINGS (page 279). 1 2 7 6 3 4 5 DAB radio text Many digital channels transmit additional text TA-FM DAB-i Link DPLII DAB1 BBC Radio2 (DLS, Dynamic Label Segment) to accompany a broadcast. For safety reasons, this text does BBC National DAB Se not scroll across the screen. TA-FM DAB-i Link DPLII Audio/TV DAB1 BBC Radio2 AM/FM BBC National DAB Settings DAB radio DAB search TA-FM DAB-i Link DPLII Audio/TV DAB1 BBC Radio2 CD Radio 1 BBC R2 Viking AM/FM BBC National DAB Settings Portable audio Trent Century1 BBC Leic2 DAB radio DAB search TV DAB radio text CD Radio 1 BBC R2 Viking 12 : 26 pm E94180 Portable audio Trent Century BBC Leic TV DAB radio text The first 16 characters of text are displayed 12 : 26 pm (1). If you want to read the full text, you must select the additional text button (2). E94179 TA-FM DAB-i Link DPLII 1. DAB band indicator. Audio/TV DAB1 BBC Radio2 2. TA-FM is displayed if the FM traffic option AM/FM DABSettings radio text is enabled. See SETTINGS (page 279). DAB radio The latest news headlines from BBC Radio 2. 3. The arrow icon indicates that subchannels CD Radio 1 are available under the current channel. Portable audio SubCh is displayed if a subchannel is tuned to. TV 4. Link is displayed if the Link DAB option is 12 : 26 pm E94181 enabled. See SETTINGS (page 279). 5. Dolby Prologic II surround sound The DAB radio text pop-up screen displays all indicator. 128 characters of text. This text may change periodically, if the broadcaster chooses to do 6. Channel name. so. 7. DAB-i indicates that DAB Announcements To remove the pop-up screen, briefly touch it. are enabled. 274 R Digital audio broadcasting CHANNEL AUTOMATIC TUNING To update the list of local channels when you move to a different region, select Auto-tune Note: When you first use the DAB radio, you again. You can also add local channels as will be unable to listen to any digital broadcasts presets to minimise the need for auto-tuning as until you have completed the auto-tune you move location. process. TA-FM DAB-i Link DPLII CHANNEL OPTIONS Audio/TV DAB1 BBC Radio2 AM/FM BBC National DAB Settings DAB radio DAB search CD Radio 1 BBC R2 Viking Portable audio Trent Century BBC Leic E94185 TV DAB radio text 12 : 26 pm To receive digital broadcasts, short press the SOURCE button repeatedly to toggle between the available sources, or briefly touch the DAB TA-FM DAB-i Link DPLII Audio/TV DAB1 BBC Radio2 Radio button on the touch-screen. See AUDIO Ensemble list BBC National DAB Auto-tune CONTROLS (page 273). Channel list Digital1 Network Choose DAB1, DAB2 or DAB3 to receive digital Subchannel list EMAP Leeds radio broadcasts. The three DAB sources enable you to preset up to 18 different PTY MXR channels. See PRESET BUTTONS (page 278). Channel data Now Middlesbrough The channel that was last played on your 12 : 26 pm chosen digital source will be selected for E94182 playback automatically. Note: If this is the first time you have used DAB In DAB mode, select DAB search, then select radio, you must first build a list of available Auto-tune to start automatic tuning and build a channels using the auto-tune function. See list of all the digital ensembles and channels CHANNEL AUTOMATIC TUNING (page 275). that are available in your region. Digital radio channels are organised into While automatic tuning is running, the groups called ensembles. Some channels may message Auto-tuning will be displayed on the sometimes provide one or more subchannels. touch-screen, along with a percentage complete. When tuning is complete, the first channel found will start playing. Note: The auto-tune process can take longer than one minute to complete. 275 L Digital audio broadcasting Note: If the next or previous channel is in a TA-FM Link DPLII different ensemble, then there will be a pause DAB1 No reception before the channel is located. The message Searching... is displayed on the screen. TA-FM Link DPLII Audio/TV DAB1 No reception On the touch-screen, if channels have been AM/FM Settings preset, select one of the six preset buttons to start playing that channel. If no channel has DAB radio DAB search been preset, the button will display ---. CD Radio 1 BBC R2 Viking Finding a subchannel Portable audio Trent Century BBC Leic TV TA-FM DAB-i Link DPLII Audio/TV DAB1 BBC Radio2 12 : 26 pm 1 AM/FM BBC National DAB Settings E94186 DAB radio 2 DAB search If the digital radio signal is lost or the system CD Radio 1 3BBC R2 Viking takes time to tune in to a channel, then the Portable audio Trent Century BBC Leic display screen will show the message No reception. TV The problem may be caused by a temporary 12 : 26 pm problem, such as buildings or trees blocking E94188 the signal, or it might be a problem with the If subchannels are available under the current broadcast service operator. Try tuning to an channel, the subchannel arrow icon (1) is alternative channel and return later to see if the displayed at the top of the touch-screen and the problem has been resolved. If you are unable to Subchannel button is enabled. tune to any other channels, switch off the audio To access the subchannels, select the unit and then try again. downward-pointing arrow (2). Select the seek Finding a channel buttons (3) to find the next/previous subchannel.
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