ATI Audio MCDA-208/WC106 Посібник з експлуатації та технічного обслуговування - Сторінка 5
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When fed from an external reference signal, the MCDA will indicate the clock frequency of the input
signal from 32 through 192 kHz. The full diagnostics front panel will also indicate Word Length, Digital
Errors if any, and whether the digital stream is Pro or Consumer mode. These diagnostic indicators are
switchable to display these details for either AES/EBU input, or for the AES External Sync In or Word
Clock input.
The MCDA can also derive a Frame Clock (Word Clock) from the AES/EBU signal input to AES Input 1.
This Frame Clock signal is available for routing to all XLR and BNC outputs.
Input 1, AES SYNC IN, and WORD CLOCK IN will lock to AES3, AES11 or Word Clock. AES SYNC IN,
and WORD CLOCK IN generate "Word Clocks" to be outputted.
Alarm LEDs located on the left side of the front panel indicates loss of carrier occurring on any input,
regardless of the position of the Source Monitor selector.
A front panel lock switch protects all settings. The MCDA retains all of its settings, even if power is
removed.
INPUTS
Incoming AES/EBU formatted digital audio data, AES11 or Word Clock is applied to individual
input transformers. Input termination resistors at 75 ohms for BNC inputs or 110 ohms for XLR
inputs can be switched in or out of the circuit with the front panel Input Term switch. Inputs should
always be terminated unless they are looped through to another device or a second MCDA input.
OUTPUTS
The MCDA has eight balanced, transformer driven XLR outputs arranged in groups of four; i.e., 1
through 4 and 5 through 8. It also has six isolated BNC outputs which function as a single group.
Rear panel mounted DIP switches allow you to configure the MCDA to send the following signals
to any or all of these three groups of outputs:
1. INPUT 1 AES/EBU
2. INPUT 2 AES/EBU
3. AES SYNC-IN AES/EBU derived Word Clock
4. WORD CLOCK INPUT External Word Clock
5. Internal Clock Generator
6. INPUT 1 AES/EBU derived Frame Clock
It is not necessary to terminate unused outputs, as each is individually isolated.
POWER
Connector for socket fused IEC 320/C13. Power cord is supplied. The MCDA has a rear panel On Off
power switch.
POWER INPUT SPECIFICATIONS:
Voltage .......................................................................................85 ~ 264Vac
Frequency .....................................................................................47 to 63Hz
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MCDA‐208/WC106 Manual