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HANDBOOK DT81
Arcam DT81 digital radio tuner
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Safety guidelines 9. Power sources Safety instructions Only connect the appliance to a power supply of the type This product is designed and manufactured to meet strict described in the operating instructions or as marked on the quality and safety standards. However, you should be aware of appliance. the following installation and operation precautions: 10. Power-cord protection 1. Take heed of warnings and instructions Power supply cords should be routed so that they are not likely You sho
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Using this handbook This handbook has been designed to give you all the information you need to install, connect, set up and use Contents the Arcam DT81 tuner. The CR-389 remote control handset Safety guidelines 2 supplied with this equipment is also described. Safety instructions 2 Safety compliance 2 Safety Using this handbook 3 Safety guidelines are set out on the inside front cover of this Safety 3 handbook. Information on radio transmissions 3 Many of these items are common sense precau
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Installation REMOTE FM TUNER CONTROL INPUT AUDIO OUTPUTS 230 V DATA SERVICE DIGITAL OUT AERIAL IN L L INPUT RDI OUT R R OPTICAL COAX OUT POWER INLET 2 1 1 2 3 45768 DT81 rear panel Voltage indicator Audio output phono sockets, two pairs 1 5 Socket for IEC power inlet line Data Service on/off switch and RDI output 2 6 Remote control, in and out mini-jacks Digital audio output, coaxial and TOSLINK 3 7 FM tuner input Aerial input, BNC locking coaxial 4 8 Positioning the unit Aerial input sock
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Additional rear panel functions Data Service switch: DAB makes provision for providing dedicated text and other data services in the multiplex datastream.This switch can be set to the ‘in’ position (using the end of a ballpoint pen) to prevent data services from appearing among the available services on the tuner’s display. RDI out: The Radio Data Interface (RDI) is an optical data output that may allow future expansion to use certain data services via an outboard device such as a persona
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Using your tuner DT81 DIGITAL RADIO TUNER 1-9 2-10 3-11 4-12 MENU SELECT 5-13 6-14 7-15 8-16 SEARCH STORE STORE DISPLAY TUNER POWER 1–8 9–16 MODE BYPASS Front panel controls Programming a preset First select the service you wish to assign to a preset. Now Power press STORE 1–8 or STORE 9–16 and then briefl y press the Switches the unit on and off. When off the status LED shows appropriate preset button to store the service. red. When the tuner is switched on the status LED shows It is not pos
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Selection mode Signal quality meter Press the MENU button four times to access the Selection The signal quality meter is a simple bargraph which gives a Mode menu. This can be used to change the way services are quick visual guide to reception quality. Technically, it is an selected when scrolling with the rotary controller or when using inverse measure of the Viterbi error rate, with zero errors at the < and > buttons on the remote control. full scale (all segments are lit) and 300 errors
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Using the remote control CR-389 Remote Control FM/DAB MENU Ensure that DAB mode is selected using the This button has the same function as the FM/DAB toggle button. The DAB LED above the MENU button on the front panel of the tuner. FM/DAB button is lit briefl y when DAB is selected. DISP TUNER This button toggles the tuner’s display between bright, FM DAB dim and off. Preset memory buttons FM These buttons allow access to individual preset MENU DISP DAB stations. To select a preset press the
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Troubleshooting 1. Display shows ‘Service not found’ when attempting to Notes on data rate and sound quality select a service The tuner supports MPEG audio data rates up to 256 kb/s This can happen when the tuner has an ensemble stored that is which is the maximum rate as defi ned by the ETSI specifi cation no longer available. For example when the tuner is fi rst shipped for DAB radio. it has the BBC ensemble stored, and if it is used in another Data rates transmitted are generally lower than t
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Technical specifi cations DT81 digital radio tuner Analogue audio ouput Level 2.4V RMS at 0dB FS Output impedance <100Ω Minimum load 600Ω Bandwidth (±0.5dB) 20Hz—20kHz Digital audio ouput Format SPDIF coaxial & optical (TOSLINK) Sample rate 48kHz Output impedance (coaxial) 75Ω unbalanced Radio Data Interface (RDI) ouput Format Optical (TOSLINK) Modulation Bi-phase (IEC-958) RF input Tuning range 174—240MHz (Band III) 1452—1492MHz (L-band) Sensitivity better than –91dBm, typically –95dBm Decodi
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Guarantee Worldwide Guarantee It should be sent carriage prepaid by a reputable carrier -– This entitles you to have the unit repaired free of charge, during NOT by post. No responsibility can be accepted for the unit the fi rst two years after purchase, at any authorised Arcam whilst in transit to the dealer or distributor and customers are distributor provided that it was originally purchased from therefore advised to insure the unit against loss or damage an authorised Arcam dealer or dist
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PEMBROKE AVENUE, WATERBEACH, CAMBRIDGE CB5 9PB, ENGLAND telephone +44 (0)1223 203203 fax +44 (0)1223 863384 email support@arcam.co.uk website www.arcam.co.uk Issue 1 SH102E
