Specifications

Chapter 2: HD I/O Overview 5
Chapter 2: HD I/O Overview
This chapter describes the front and back panel features of the HD I/O.
HD I/O Front Panel
Power Switch and LED Ring
This button turns HD I/O on and off. The LED
ring around the power button will light green or
orange to indicate the system status:
Green LED Ring Indicates that the unit has pow-
ered up successfully and is connected to an ac-
tive system.
Orange LED Ring Indicates that the unit has
power, but the computer it is connected to is
shut down.
Sample Rate
These LEDs display the current sample rate of
the HD I/O internal clock: 44.1 kHz, 48 kHz,
88.2 kHz, 96 kHz, 176.4 kHz, or 192 kHz. The
sample rate can be set in Pro Tools when you
create a new session, or in the Hardware Setup
or Playback Engine dialogs if no session is open.
HD I/O Front Panel