Avid Technology Eleven Rack, User Manual

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Eleven Rack User Guide 58
Clock Source
The Pro Tools Hardware Setup dialog lets you se-
lect the
Clock Source for the system.
Internal Use this setting if you are recording an-
alog signals directly into Eleven Rack, and/or are
recording digital inputs into the AES/EBU or
S/PDIF ports on Eleven Rack, where the digital
device is synchronized to the appropriate digital
output.
AES/EBU Use this setting if you are recording
through the Eleven Rack AES/EBU inputs from
an external digital device. This setting will syn-
chronize Pro Tools to that digital device.
S/PDIF Use this setting if you are recording
through the Eleven Rack S/PDIF inputs from an
external digital device. This setting will synchro-
nize Pro Tools to that digital device.
To select the Clock Source:
1
Choose
Setup > Hardware.
2
Choose the clock source from the
Clock Source
pop-up menu.
3
Click
OK
.
Digital Format
The Pro Tools Hardware Setup dialog lets you se-
lect the format of Eleven Rack’s digital I/Os.
AES/EBU Use this setting if you are interfacing
Eleven Rack with a digital device that uses the
AES/EBU format.
S/PDIF Use this setting if you are interfacing
Eleven Rack with a digital device that uses the
S/PDIF format.
To select the Digital Format:
1
Choose
Setup > Hardware.
2
Select which digital I/O port on Eleven Rack
will be active under Digital Format.
3
Click
OK
.
Configuring I/O Setup
Using the I/O Setup dialog, you can label
Pro Tools LE input, output, insert, and bus
signal
paths . The I/O Setup dialog provides a graphical
representation of the inputs, outputs, and signal
routing of the Eleven Rack.
Pro Tools LE has default I/O Setup settings that
will get you started. Use the I/O Setup dialog
only if you want to rename the default I/O
paths.
Your digital input device must be connected
and powered on for Pro Tools to synchro-
nize to it. If your input device is not powered
on, leave the Clock Source set to Internal.