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24
IR Sensor
The MAC7200 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 and hold in the INPUT Control to enter the
SETUP MODE. Refer to figure 2 on page 17.
2. Rotate the INPUT Control until “SETUP: Front
IR, Enabled” appears on the Information Dis-
play. Refer to figure 44.
3. Rotate the VOLUME (ADJUST) Control to select
Disabled. Refer to figure 45.
5. Exit the SETUP Mode by several presses of the
INPUT Control.
Figure 44
SETUP: Front IR
Enabled
Figure 45
SETUP: Front IR
Disabled
Remote Control Codes
The HR085 Remote Control included with the
MAC7200 utilizes the NORMAL McIntosh Con-
trol Codes. The Second Set of Control Codes the
MAC7200 will respond to is referred to as the AL-
TERNATE Codes. The Alternate Codes are used
when the MAC7200 is used in the same location as
another McIntosh Preamplifier and/or A/V Processor.
This will prevent the Remote Control from affect-
ing 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 17.
2. Rotate the INPUT Control until “SETUP: IR
Codes, Normal” appears on the Information
Display. Refer to figure 42.
3. Rotate the VOLUME (ADJUST) Control to the
Alternate Codes. Refer to figure 43.
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=MAC7200
5. Exit the SETUP Mode by several presses of the
INPUT Control.
Figure 42
SETUP: IR Codes
Normal
Figure 43
SETUP: IR Codes
Alternate
The MAC7200 may be remotely controlled from other
equipment connected to the Rear Panel RS232 Jack.
The speed at which the MAC7200 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. Refer to figure 2 on page 17.
2. Rotate the INPUT Control until “SETUP: RS232,
115200 Baud” appears on the Information Dis-
play. Refer to figure 41.
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
Fig ure 41
SETUP: RS232
115200 Baud
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