Page 2 - Azur upsampling compact disc player; CONTENTS
2 Azur upsampling compact disc player Introduction .................................................................................................3 Safety precautions ......................................................................................4 Important safety instructions ................
Page 3 - Matthew Bramble, Technical Director; INTRODUCTION; Upsampling compact disc player
Azur upsampling compact disc player 3 Thank you for purchasing this Azur 840C Upsampling Compact DiscPlayer. This unit is part of our new '8' series range, taking CambridgeAudio to new levels of audio excellence. The 8 series range has beendeveloped as part of our commitment to the on-going developm...
Page 4 - Checking the Power Supply Rating; SAFET Y PRECAUTIONS
4 Azur upsampling compact disc player Checking the Power Supply Rating For your own safety please read the following instructions carefully before attemptingto connect this unit to the mains. Check that the rear of your unit indicates the correct supply voltage. If your mainssupply voltage is differ...
Page 5 - Important Note; Only use the specified attachments/accessories with this unit.; IMPORTANT SAFET Y INSTRUCTIONS
WARNING - To reduce the risk of fire or electric shock, do not expose this unitto rain or moisture. This unit must not be used near or exposed to dripping orsplashing water or other liquids. No objects filled with liquid, such as vases,shall be placed on the unit. In the event, switch off immediatel...
Page 6 - Mains Voltage Selector Switch; REAR PANEL CONNECTIONS
6 Azur upsampling compact disc player Power On/Off Switches the unit on and off. Mains Voltage Selector Switch Switches the mains voltage between 115V and 230V. For use byinstaller/dealer only. AC power socket Once you have completed all connections to the amplifier, plug the ACpower cable into an a...
Page 7 - Control Bus; In - Allows un-modulated commands from multi-rooms systems or other; Digital outputs; Only one of the two output types should be used at a time.; Unbalanced Audio Out
840C Upsampling compact disc player Azur upsampling compact disc player 7 Control Bus In - Allows un-modulated commands from multi-rooms systems or other components to be received by the unit. Out - Loop out for control bus commands to another unit. Digital outputs The digital outputs allow a separa...
Page 8 - FRONT PANEL CONTROLS; Menu; Compact Disc tray. Use the
8 Azur upsampling compact disc player FRONT PANEL CONTROLS Standby/On Switches the unit between Standby mode (indicated by dim power LED)and On (indicated by bright power LED). Standby is a low power modewhere the power consumption is less than 10 Watts. The unit should beleft in Standby mode when n...
Page 9 - Display; Play; Stop; Stops the CD playing.
840C Upsampling compact disc player Azur upsampling compact disc player 9 Display LCD used to display upsampling rate, CD track number,elapsed/remaining time and other CD functions. Please refer to the‘Operating instructions’ section of this manual for more information. Open/Close Allows you to open...
Page 10 - REMOTE CONTROL
The 840C is supplied with an Azur Navigator remote control thatoperates both this CD player and other Cambridge Audio Azuramplifiers. Insert the supplied AAA batteries to use. Note: The remote may be in Amp mode when first activated.Please refer to the Amp Control section for more information. Stand...
Page 11 - Amp Control; REMOTE CONTROL OF MATCHING PRODUCTS
840C Upsampling compact disc player Azur upsampling compact disc player 11 Amp Control mode The 840A/C remote control comes with an Amplifier Controlbutton, that when pressed, puts the remote into Amp mode,allowing operation of a Cambridge Audio Azur amplifier. Whenpressed, the LED will light up for...
Page 12 - OPERATING INSTRUCTIONS; Loading and unloading discs
12 Azur upsampling compact disc player OPERATING 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. To close the disc tray, press the Ope...
Page 13 - Locating a particular point in a track
840C Upsampling compact disc player Azur upsampling compact disc player 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 ( Search on remote), the CD will then fast forward within the track. 3. Release the but...
Page 15 - CD playback; EXTERNAL DIGITAL SOURCES
CD playback The 16 bit/44.1kHz sampling data on a standard CD is upsampled to 24bit/384kHz for best possible sound quality. Digital Input 1/2 Press Select again to select Digital Input 1. The incoming word length (16 to 24 bit) and sample rate will bedisplayed along with the indication that the data...
Page 16 - Digital out sample frequency; Menu structure; CD PLAYER SETUP
Digital outputs The digital outputs can be set to two options: 1. Output the raw data from the CD (or digital input) with no processing. 2. Upsampled data processing by the DSP to greater resolution. Press Select to switch between DSP Upsample or Pass Through. For DSP upsampling the sample frequency...
Page 17 - Changing input names / source naming
Digital out word width The digital output word width can be set to 16, 20 or 24 bit (note this isdifferent to the main audio output word width which is fixed at 24 bit forbest sound quality): Press Select to switch between the word width options. Digital out dither Dithering is a process where pseud...
Page 18 - TROUBLESHOOTING
18 Azur upsampling compact disc player There is no power Ensure the AC power cord is connected securely. Ensure the plug is fully inserted into 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. Che...
Page 19 - TECHNICAL SPECIFICATIONS
840C Upsampling compact disc player Azur upsampling compact disc player 19 TECHNICAL SPECIFICATIONS D/A converters Dual Analog DevicesAD1955 24 bit DACs Digital filter Analog Devices Black Fin ADSP-BF532 32 bit DSPPerforming ATF TM upsampling to 24 bit 384kHz Analog filter 2 Pole Fully DifferentialL...
Page 20 - LIMITED WARRANT Y
20 Azur upsampling compact disc player Cambridge Audio warrants this product to be free from defects inmaterials and workmanship (subject to the terms set forth below).Cambridge Audio will repair or replace (at Cambridge Audio's option) thisproduct or any defective parts in this product. Warranty pe...
