background image

 

 
Front Panel Control Knob: 

 

The control knob is a continuously rotating control 
with a push-switch function.  Always push the button 
with your finger in the direct center of the knob.  
Pushing the knob will switch between selectable 
values on the display.  Rotating the control left or 
right will adjust the selected value.  
 

 

 
Upon Power Up: 

 

When switched on, the DAC3.5VB will perform its 
startup sequence followed by displaying the 
firmware revision. 
 

 

 

After 2 seconds, Input Selection Mode will become 
active.  The AES input will be selected by default 
and Soft Mute will be active. The volume will be set 
to 50.0 even if the fixed/variable button is in Fixed 
mode. The selected input is on the left of the display 
and the volume is on the right.   The volume level 
will automatically ramp down and up during this 
selection process 

 

 

 

Input Selection Mode: 
 

Briefly press the control knob and the input on the 
left of the display will be highlighted.  Rotate the 
control knob to scroll to the desired input. Inputs are 
indicated as: AES, SP1 (SPDIF1), SP2 (SPDIF2), 
OPT (TOSLINK), ST (High Speed ST Fiber) and 
ANLG (Analog Input). 
 
 
 

 

Variable Output Mode: 
 

The DAC3.5

VB

 Variable Output operating mode, 

selected from the rear panel Fixed/Variable output 
switch, allows you to change volume level by 
rotating the knob or via the supplied remote control.   

 

To adjust the volume, rotate the knob until the 
volume number on the right of the display is 
highlighted.  
 
The volume down function (counter-clockwise 
rotation) is very rapid and allows quick changes in 
the volume level. Volume up (clockwise rotation) 
functions rapidly up to a displayed volume level of 
65.0.   Volume is adjustable from 0.0 to 100.0 by 
increments of 0.5. 
 

Fixed Output Operating Mode: 

 

Pressing the rear panel Fixed/Variable Output switch 
to the in position will set the DAC3.5

VB

 in a fixed 

output operating mode. This mode is used when 
driving an analog preamp or integrated amplifier 
input. The volume control function is then provided 
by the associated preamplifier or integrated 
amplifier. 

 

To use the Fixed Ouput mode set the ouput level to 
100.0 for a 2.75Vrms maximum level from the RCA 
outputs or 5.5Vrms level for the Balanced XLR 
outputs. If you want the outputs set for a lower level 
then set the volume control to a lower level. For 
example, for about 2 Vrms out from the balanced 
outputs set the volume control to 91.0. This will 
represent about a 2 Vrms output level on the 
balanced outputs. When the level is set then press 
the rear panel Fixed/Variable Output button. The 
front panel display will now show the selected input. 
Rotating the knob will scroll to different inputs and 
the Volume and Mute functions on the remote will 
not function. 
 

Front Panel Digital Lock Indicator: 

 

When no digital input signal is present on an input, 
LOS (Loss Of Signal) will appear on the display. If 
this occurs you need to check that the correct input 
is selected and then check that the digital source is 
connected, active and functioning correctly.

 

 
 

 

 

Содержание e.One series

Страница 1: ......

Страница 2: ...stem or transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of Bel Canto Design The content of this manual is provided for information use only is subject to change without notice and should not be construed as a commitment by Bel Canto Design Limited Bel Canto Design Limited assumes no responsibility or liability f...

Страница 3: ...may impede the flow of air through the ventilation openings Do not install near any heat sources such as radiators heat registers stoves or other apparatus that produce heat This apparatus uses Class I construction and must be connected to a mains socket with protective earthing connection Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and at t...

Страница 4: ...dards EN55013 2001 Conducted emissions EN55013 2001 Absorbed emissions EN55020 2002 Immunity The conformity of the designated product with the provisions of Directive number 2005 32 EC ecodesign requirements is proved by full compliance with the off mode setting power of 0 0 Watts Note This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part ...

Страница 5: ...MA form in the support section of our website If you have any questions please feel free to contact us online at info belcantodesign com DAC3 5VB packaging contains the following 1 one DAC3 5VB 1 one DAC3 5VB User s Guide 1 one VB Interconnect Power Cable 1 one Remote Control Carefully unpack each piece and check for shipping damage If there is any damage or if anything is missing please contact y...

Страница 6: ...sources All digital input sources experience 2 jitter rejection stages one analog PLL stage at the SPDIF input and a second 2Hz digital PLL stage that rolls off incoming jitter by more than 10X at 10Hz frequencies and greater than 10 000X by 100 Hz Any incoming jitter at frequencies above 10Hz is reduced to levels that have no effect on measured or sonic performance The combination of the VBS1 int...

Страница 7: ...right of the display is highlighted The volume down function counter clockwise rotation is very rapid and allows quick changes in the volume level Volume up clockwise rotation functions rapidly up to a displayed volume level of 65 0 Volume is adjustable from 0 0 to 100 0 by increments of 0 5 Fixed Output Operating Mode Pressing the rear panel Fixed Variable Output switch to the in position will se...

Страница 8: ...Theatre Bypass HTB In this mode the analog input simply passes signal through with a fixed output level Note that this disables the volume control and requires that the volume control on the Home Theater processor be used Use this feature only with a volume controlled line level source Using this with the fixed output of a CD player for example could result in damage to the amplifier or loudspeake...

Страница 9: ... and Un muted modes Soft Mute is indicated by the word SOFT overwritten on the volume level display Hard mute over writes the level display with MUTE The Mute function will Punch Through to any Bel Canto unit set in Variable Output mode Number Buttons Use for direct input selection 1 AES 2 SPDIF1 3 SPDIF2 4 TOSLINK 5 High Speed ST Fiber 6 Analog Input Bal L Bal R Shift the balance up to 6 0 dB tow...

Страница 10: ... 24 192 data rate SPDIF1 and SPDIF2 accept BNC or RCA connections from any 75 ohm SPDIF source and operate to at least 24 192 data rate AES EBU Input accepts any AES EBU standard 110 ohm digital source and operates up to 24 192 data rate XLR 5 5Vrms or 7 RCA 2 75Vrms outputs are used for directly driving a power amplifier in variable output mode or a preamplifier input when in fixed output mode RC...

Страница 11: ...ment notches on both units power receptacles and the power interconnect cable When inserting the power interconnect cable align the notch on the cable end and the alignment teeth on the outer sleeve to the 12 o clock position This will allow the interconnect cable to fully seat and ensure that the plug mates correctly with the power receptacle Once the power interconnect cable is fully seated in t...

Страница 12: ...e USB out of your computer to connect into the DAC3 5VB via either the USB Link 24 96 or the USB Light Link 24 96 For more details on optimizing computer audio sources please refer to our on line guide at www belcantodesign com What to do if there is hum or ground noise The design of the DAC3 5VB greatly reduces the chance for ground loop induced hum and noise We recommend using the balanced outpu...

Страница 13: ...rms balanced out 1KHz Output Noise 3uVrms A weighted 20Hz 20KHz Dynamic Range 126dB A weighted 20Hz 20KHz Analog 24 192 ADC Section Maximum Input 2 5 Vrms RCA Input Impedance 12K ohms RCA Frequency Response 20 Hz 20KHz 0 5dB THD N 0 003 2 5Vrms in 1KHz Dynamic Range 110dB A weighted 20Hz 20KHz General Power Usage On 9W Power Usage Off 0 0W Power Requirement 12VDC 0 75A Dimensions 8 5 W x 12 5 D x ...

Страница 14: ...version 3 0 ...

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