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6.0 User Interfaces
6.1 User interface use
Bose has designed two user interface
controls for use with the FreeSpace
®
DXA 2120 Digital Mixer/Amplifier.
• Bose volume control user interface
is for use when only volume control is
required.
• Bose volume control with A/B select
user interface is for use in Stereo Select
Mode or Dual Mono Select Mode when
an output provides audio from more than
one input source.
Connection of one or two user interfaces to the chassis disables
the output gain knob for the output assigned to that user
interface.
6.1.1 Mode user interface requirements
• For Mixer Mode:
Sources can be routed to either or both outputs. Use of one or
two volume control user interfaces is optional. No user inter
-
faces are required.
• For Stereo Select Mode:
Source routing is fixed. This mode supports the use of one user
interface in a single zone. Use the volume control with A/B
select user interface.
• For Dual Mono Select Mode:
Source routing is fixed. This mode supports the use of one user
interface for each output channel. Use two volume controls
with A/B select user interfaces.
6.1.1.1 Mixer Mode user interface application
Adjusts
the volume
of the OUTPUT 1
audio mix
GAIN knobs
disabled with
user interface
use
Adjusts
the volume
of the OUTPUT 2
audio mix
Note: Output 1 gain can be configured as the Master Volume,
controlling Output 1 and Output 2 gains simultaneously using the
MasterVol Linked menu option.
6.1.1.2 Stereo Select Mode user interface application
Adjusts
the volume
Selects one
source (A) or
the other (B)
in the single zone
GAIN knobs
disabled with
user interface
use
6.1.1.3 Dual Mono Select Mode user interface application
Adjusts
the volume
Selects one
source (A) or
the other (B)
in Zone 2
Adjusts
the volume
Selects one
source (A) or
the other (B)
in Zone 1
GAIN knobs
disabled with
u
ser interface
use
6.0 User Interface Use.fm Page 31 Monday, February 12, 2007 8:55 AM