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Cambridge Audio 840C manual

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Table of contents for the manual

  • Page 1

    azur 840C Upsampling compact disc pla yer User’s manual[...]

  • Page 2

    2 Azur upsampling compact disc pla yer Introduction .................................................................................................3 Safety precautions ......................................................................................4 Important safety instructions ..............................................................[...]

  • Page 3

    Azur upsampling compact disc pla yer 3 Thank you for purchasing this Azur 840C Upsampling Compact Disc Player. This unit is part of our new '8' series range, taking Cambridge Audio to new levels of audio excellence. The 8 series range has been developed as part of our commitment to the on-going development of the Azur range. We hope that [...]

  • Page 4

    4 Azur upsampling compact disc pla yer Checking the Power Supply Rating For your o wn safety please read the follo wing instructions carefully before attempting to connect this unit to the mains. Check that the rear of your unit indicates the correct supply v oltage. If your mains supply voltage is different, consult your dealer . This unit is desi[...]

  • Page 5

    WARNING - T o reduce the risk of fire or electric shock, do not expose this unit to rain or moisture. This unit must not be used near or e xposed to dripping or splashing water or o ther liquids. No objects filled with liquid, such as vases, shall be placed on the unit. In the event, switch off immediately , disconnect from the mains supply and con[...]

  • Page 6

    6 Azur upsampling compact disc pla yer Power On/Off Switches the unit on and off. Mains Voltage Selector Switch Switches the mains voltage between 1 15V and 230V . For use by installer/dealer only . AC power socket Once you ha ve completed all connections t o the amplifier , plug the AC power cable int o an appropriate mains sock et then switch on.[...]

  • Page 7

    840C Upsampling com pact disc play er Azur upsampling compact disc pla yer 7 Control Bus In - Allows un-modulat ed commands from multi-rooms syst ems or other components to be receiv ed by the unit. Out - Loop out for contr ol bus commands to another unit. Digital outputs The digital outputs allow a separate D AC or digital recor ding device to be [...]

  • Page 8

    8 Azur upsampling compact disc pla yer FRONT P ANEL CONTROLS Standby/On Switches the unit between Standby mode (indicat ed by dim pow er LED) and On (indicated b y bright power LED). Standby is a lo w power mode where the power consum ption is less than 10 W atts. The unit should be left in Standby mode when not in use. Menu Press to scr oll throug[...]

  • Page 9

    840C Upsampling com pact disc play er Azur upsampling compact disc pla yer 9 Display LCD used t o display upsampling rat e, CD track number , elapsed/remaining time and other CD functions. Please ref er to the ‘Operating instructions’ section of this manual for more inf ormation. Open/Close Allows you t o open and close the disc tray thus makin[...]

  • Page 10

    The 840C is supplied with an Azur Navigator remo te control that operates both this CD pla yer and other Cambridge A udio Azur amplifiers. Inser t the supplied AAA batteries t o use. Note: The remote ma y be in Amp mode when first activated. Please refer t o the Amp Control section f or more information. Standby/On Switches the unit between On and [...]

  • Page 11

    840C Upsampling com pact disc play er Azur upsampling compact disc pla yer 11 Amp Control mode The 840A/C remote contr ol comes with an Amplifier Control button, that when pressed, puts the remot e into Amp mode, allowing operation of a Cambridge Audio Azur am plifier . When pressed, the LED will light up for 7 seconds (t o let you know you are in [...]

  • Page 12

    12 Azur upsampling compact disc pla yer OPERA TING INSTRUCTIONS Loading and unloading discs 1. Press the Standby/On switch. 2. Press the Open/Close button. 3. When the disc tray has opened fully , place a disc carefully in the tray with the label side facing up. 4. T o close the disc tray , press the Open/Close button again. When the tray , with a [...]

  • Page 13

    840C Upsampling com pact disc play er Azur upsampling compact disc pla yer 13 Locating a particular point in a track 1. Ensure that the disc is playing the desired track. 2. Press and hold the right Skip/Scan button ( Searc h on remote), the CD will then fast f or ward within the track. 3. Release the button when the desired time has been reached. [...]

  • Page 14

    14 Azur upsampling compact disc pla yer Using the A-B function 1. Ensure that the disc is playing, press A-B on the remote contr ol. This will allow you t o continuously repeat a specific section of a track. 2. Press the Repeat butt on on the remote control at the beginning of the section you want t o loop. The A-B icon will be displayed and the pl[...]

  • Page 15

    CD playback The 1 6 bit/44.1kHz sampling data on a standar d CD is upsampled to 2 4 bit/384kHz for best possible sound quality . Digital Input 1/2 Press Select again to select Digital Input 1. The incoming word length (1 6 to 24 bit) and sam ple rate will be display ed along with the indication that the data is being upsampled to 2 4 bit/384kHz. No[...]

  • Page 16

    Digital outputs The digital outputs can be set to two options: 1. Output the raw data fr om the CD (or digital input) with no processing. 2. Upsampled data processing b y the DSP to greater resolution. Press Select to switch between DSP Upsample or Pass Through. For DSP upsampling the sam ple frequency , word width and dither are set by the ne xt t[...]

  • Page 17

    Digital out word width The digital output word width can be set t o 16, 20 or 2 4 bit (note this is different to the main audio output wor d width which is fixed at 2 4 bit for best sound quality): Press Select to switch between the wor d width options. Digital out dither Dithering is a process where pseudo random noise is added t o a signal to rem[...]

  • Page 18

    18 Azur upsampling compact disc pla yer There is no power Ensure the AC po wer cord is connected securely . Ensure the plug is fully inser ted int o the wall socket and is switched on. Check fuse in the mains plug or adaptor . The player will not read the disc Check the disc is not loaded upside down. Check that the disc is not too scratched or dir[...]

  • Page 19

    840C Upsampling com pact disc play er Azur upsampling compact disc pla yer 19 TECHNICAL SPECIFICA TIONS D/A converters Dual Analog Devices AD1955 2 4 bit DA Cs Digital filter Analog Devices Black Fin ADSP-BF532 32 bit DSP Performing A TF TM upsampling to 2 4 bit 38 4kHz Analog filter 2 Pole F ully Differential Linear Phase Bessel filter Frequency r[...]

  • Page 20

    20 Azur upsampling compact disc pla yer Cambridge Audio warrants this pr oduct to be free from def ects in materials and workmanship (subject t o the terms set forth below). Cambridge Audio will repair or replace (at Cambridge A udio's option) this product or an y defective parts in this product. W arranty periods may vary from country to coun[...]

  • Page 21

    840C Upsampling com pact disc play er Azur upsampling compact disc pla yer 21 This guide is designed to mak e installing and using this product as easy as possible. Information in this document has been carefully check ed for accuracy at the time of printing; howe ver , Cambridge Audio's policy is one of continuous impro vement, therefore desi[...]

  • Page 22

    azur 840C Par t No. AP18655/1 www .cambridge-audio.com[...]