24
Figure 18
Passthru
When the MA12000 is part of a Home Theater or
Multichannel Audio System the Right and Left Front
Channels from an Audio/Video Processor or Surround
Decoder can “Passthru” from the assigned MA12000
Input, into the MA12000 Power Amplifier Circurity.
The “Passthru” Audio Signal is also available for a
separate external Power Amplifier(s) via the number
1 Preamplifier Output Jacks. The Setup Mode allows
selection of the specified MA12000 Input to be used
for the Right and Left Front Channels. In the example
below, the Right and Left Front Channels from the
Audio/Video Processsor will be connected to the
UNBALANCED 6 INPUT Jacks on the MA12000.
Refer to page 9 for additional connection information.
Note: The Phono and Digital Inputs are not
assignable as a Passthru Input.
1. Press and hold in the INPUT Control to enter the
SETUP MODE.
2. Rotate the INPUT Control until “SETUP:
Passthru, Off” appears on the Information
Display. Refer to figure 37.
3. Rotate the VOLUME (ADJUST) Control to select
“SETUP: Passthru, UNBAL 6” Input. Refer to
figure 38.
4. Exit the SETUP Mode by several presses of the
INPUT Control.
SETUP: Passthru
UNBAL 6
Figure 38
SETUP: Passthru
Off
Figure 37
Comm Port Baud Rate
The MA12000 may be remotely controlled from other
equipment connected to the Rear Panel RS232 Jack.
The speed at which the MA12000 communicates (8
bit, no parity and 1 stop bit) with other equipment
is adjustable from 9,600 bits per second to 115,200
bits per second. To change from the default speed of
115,200 bits per second, perform the following steps:
1. Press and hold in the INPUT Control to enter the
SETUP MODE.
2. Rotate the INPUT Control until “SETUP:
RS232, 115200 Baud” appears on the Information
Display. Refer to figure 40.
3. Rotate the VOLUME (ADJUST) Control to select
the desired Baud Rate Speed.
4. Exit the SETUP Mode by several presses of the
INPUT Control.
Figure 40
SETUP: RS232
115200 Baud
