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19
IR Sensor
The C2700 Front Panel Sensor, which receives the sig-
nals 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 and hold in the INPUT Control to enter the
SETUP MODE. Refer to figure 2 on page 13.
2. Rotate the INPUT Control until “SETUP: Front
IR, Enabled” appears on the Information Dis-
play. Refer to figure 50.
3. Rotate the VOLUME (ADJUST) Control to select
“Disabled”. Refer to figure 51.
4. Exit the SETUP Mode by several presses of the
INPUT Control.
Figure 50
SETUP: Front IR
Enabled
Figure 51
SETUP: Front IR
Disabled
Remote Control Codes
The Remote Control included with the C2700 utilizes
the NORMAL McIntosh Control Codes. The Second
Set of Control Codes the C2700 will respond to is
referred to as the ALTERNATE Codes. The Alternate
Codes are used when the C2700 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 and hold in the INPUT Control to enter the
SETUP MODE. Refer to figure 2 on page 13.
2. Rotate the INPUT Control until “SETUP: IR
Codes, Normal” appears on the Information
Display. Refer to figure 48.
3. Rotate the VOLUME (ADJUST) Control to the
Alternate Codes. Refer to figure 49.
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/us/Products/pages/
ProductDetails.aspx?CatId=preamplifiers&Produ
ctId=C2700
5. Exit the SETUP Mode by several presses of the
INPUT Control.
Figure 48
SETUP: IR Codes
Normal
Figure 49
SETUP: IR Codes
Alternate
The C2700 may be remotely controlled from other
equipment connected to the Rear Panel RS232 Jack.
The speed at which the C2700 communicates (8 bit, no
parity and 1 stop bit) with other equipment is adjust-
able 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. Refer to figure 2 on page 13.
2. Rotate the INPUT Control until “SETUP: RS232,
115200 Baud” appears on the Information Dis-
play. Refer to figure 54.
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.
Comm Port Baud Rate
Figure 54
SETUP: RS232
115200 Baud
Setup, con’t
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