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24
3. Rotate the ADJUST Control to select the desired
Baud Rate Speed (115200 thru 9600).
4. Exit the SETUP Mode by pressing the SETUP
Push-button.
Remote Control Codes
The Remote Control included with the C12000
utilizes the NORMAL McIntosh Control Codes. The
Second Set of Control Codes the C12000 will respond
to is referred to as the ALTERNATE Codes. The Al-
ternate Codes are used when the C12000 is used in the
same location as another McIntosh Preamplifier and/or
A/V Processor. This will prevent the Remote Control
from affecting the operation of both units at the same
time. To activate the Remote Control ALTERNATE
Codes perform the following steps:
1. Press the SETUP Push-button to enter the SETUP
MODE. Refer to figure 2.
2. Rotate the TRIM Control until “SETUP: IR
Codes, Normal” appears on the Information Display.
Refer to figure 42.
Figure 42
SETUP: IR Codes
Normal
3. Rotate the ADJUST Control to select the Alter-
nate Codes. Refer to figure 43.
Figure 43
SETUP: IR Codes
Alternate
4. It is now necessary to change the HR085 Remote
Control over to the Alternate Codes. Information on
the HR085 Remote Control is available for download
from the McIntosh Web Site:
http://www.mcintoshlabs.com/
1. Press the SETUP Push-button to enter the SETUP
MODE. Refer to figure 2..
2. Rotate the TRIM Control until
“SETUP: Passthru, Off” appears on the Information
Display. Refer to figure 39.
SETUP: Passthru
Off
Figure 39
3. Rotate the ADJUST Control to select
“Balanced 6” Input. Refer to figure 40.
Figure 40
4. Exit the SETUP Mode by pressing the SETUP
Push-button.
Comm Port Baud Rate
The C12000 may be remotely controlled from other
equipment connected to the Rear Panel RS232 Jack.
The speed at which the C12000 communicates (8 bit,
no parity and 1 stop bit) with other equipment is ad-
justable 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 the SETUP Push-button to enter the SETUP
MODE. Refer to figure 2.
2. Rotate the TRIM Control until “SETUP: RS232,
115200 Baud” appears on the Information Display.
Refer to figure 41.
Figure 41
SETUP: RS232
115200 Baud
SETUP: Passthru
Balanced 6
5. Exit the SETUP Mode by pressing the SETUP
Push-button.
IR Sensor
The C12000 Front Panel Sensor, which receives
the signals from the HR085 Remote Control, can be
switched off to prevent interference when an external
IR Sensor is connected. To de-activate the Front Panel
IR Sensor perform the following steps:
1. Press the SETUP Push-button to enter the SETUP
MODE. Refer to figure 2.
2. Rotate the TRIM Control until “SETUP: Front
IR, Enabled” appears on the Information Display.
Refer to figure 44.
Figure 44
SETUP: Front IR
Enabled
3. Rotate the VOLUME (ADJUST) Control to select
Disabled. Refer to figure 45.
Figure 45
SETUP: Front IR
Disabled
4. Exit the SETUP Mode by pressing the SETUP
Push-button.
Power Mode
The C12000 incorporates an Auto Off Feature,
which automatically places the preamplifier into the
Power Saving Standby/Off Mode. This occurs approx-
imately 30 minutes after there has been an absence of
audio input or user activity (includes changes to any
of the Operation Functions such as source selection,
volume adjustment, etc). If it is desirable to disable the
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