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bit (9600,8,N,1). Valid commands will return the ">"
character indicating that the unit is ready to receive
a new command. An invalid command will return
the "!" character.
The following table indicates discrete commands
which can be sent using either RS232 via the DB9
interface or with the 'CODE' feature on the BR-2
remote control:
000
Power Off
001
Source: Aux 2
002
Source: Aux 1
003
Source: CD
004
Source: Tuner
005
Source: TV
006
Source: Video
007
Volume Up
008
Volume Down
015
Power Toggle
019
Balance Left
020
Balance Right
029
Power On
058
Mute On
059
Mute Off
061
Record Mon.
Toggle
062
Record Mon. On
Operation
Basic operation of the B135³ is simple. Power on
the B135³, select your desired input, and adjust the
volume to your liking and enjoy. Each input button
on the front panel corresponds with an analog pair
on the rear panel. When equipped with the digital to
analog converter module, 4 digital inputs are also
available.
Home Theater Pass Through
Often, listeners wish to share their audiophile
2-channel audio system with additional
loudspeakers and electronics for home theater. The
B135³ Integrated Amplifier
063
Record Mon. Off
081
Source: Dig 1
082
Source: Dig 2
083
Source: Dig 3
084
Source: Dig 4
245
Set/Reset
Passthrough
Mode for current
source
247
Set Trigger 2 for
current source
248
Clear Trigger
2 for current
source
255
System Reset.
Restore Defaults
B135³ facilitates dual use with ease by allowing one
input to be set as unity gain (therefore, bypassing
the volume control).
Assign the bypass input by selecting your desired
analog input. Using RS232 or the BR-2 remote, send
the code 245. To disable bypass for that input, send
the code 245 again. Level of any source connected
to the bypass input will not be adjustable with the
B135³ volume control! When the selected input is
assigned as the bypass input, both balance LEDs
glow red.
The most common hookup scenario is as follows:
•
Source components which are exclusively used
as 2-channel remain directly connected to the
B135³.
•
Surround source components are connected
to the appropriate inputs of the home theater
receiver.
•
Front left/right loudspeakers remain connected
to B135³ loudspeaker outputs. Center and
surround loudspeakers are connected to home
theater receiver binding posts.
•
Front left/right analog line level outputs from
home theater receiver are connected to the
home theater bypass inputs on B135³.
When listening to 2 channel sources, no home
theater equipment is engaged. When listening to
movies or surround audio, you will control the
volume of the system through the receiver.
Separate Preamplifier and Amplifier
The B135³ can function as independent preamplifier
and amplifier by moving the Connected/Separate
switches on the back panel. In the Connected
position, the preamplifier is internally connected
to the amplifier. In the separate position, output
from another preamplifier can be connected to
the Amplifier Input jacks. The Pre Amp Out jacks
are always live and can feed a separate amplifier
regardless of switch position.
7
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