COS D2V Manuel de l'utilisateur - Page 3

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Connection

D2 works from 100 to 240VAC mains, so voltage selection is not needed.

USB Audio (USB Type B connector)

D2 supports both USB Audio Class 1.0 and 2.0 with the following

sampling rates and bit depths:

• Audio Class 1.0 - up to 96K samples per second, 16/24 bits depth

• Audio Class 2.0 - up to 192K samples per second, 16/24 bits

depth and DSD64/DSD128 (DoP)

Please set D2 into standby mode and use the USB AUDIO switch

on the back panel to make your selection. The selected class

takes effect when D2 leaves standby mode. Both Audio Class 1.0

and 2.0 work on MAC OS, but only Class 1.0 works on Windows.

They are natively supported; there is no need for additional device

drivers.**

#2/#3 Optical Input (Toslink)

S/PDIF Input (RCA connector)

AES/SBU Input (XRL female connector pair)

Pin 1: Ground

Pin 2: Signal + (non-inverting)

Pin 3: Singal - (inverting)

Connector ground lug: chassis ground

1. Unbalanced analog output: RCA

2. Balanced analog output: XLR male

The pin assignments of these XLR-type male outputs are:

Pin 1: Ground

Pin 2: Signal + (non-inverting)

Pin 3: Singal - (inverting)

Connector ground lug: chassis ground

There is a buffer switch on the back panel, and it should be turned on for

optimum performance. Sometimes digital music data do not move along

and get converted in perfect tandem, which causes jitters, and even a

few micro-seconds timing error is enough to perturb the ears and frustrate

the mind. Therefore, D2 uses a buffer of one-second depth, along with an

independent and accurate clock, to receive data, align them and send

them out in precise time frames for conversion.

For videos, the buffer should be switched off. This selection makes

D2 reduce the depth of the buffer a little to ensure video-audio

synchronization. Switching the buffer on or off takes effect immediately.

Connection