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19
3. Rotate the INPUT Control to select the Setup
Mode Menu item, “SETUP: Inputs, (Hold IN-
PUT)”. Refer to figure 3.
Continue to rotate the INPUT CONTROL to view
the other SETUP Mode Options.
4. To exit from the SETUP Mode, press and hold in
the INPUT Control and the Front Panel Display
will indicate its normal display. Refer to figure 1.
Your McIntosh MA252 has been factory configured
to allow immediate enjoyment of superb audio with-
out the need for further adjustments. If you wish to
make changes to the factory default settings, a Setup
Feature is provided to customize the operating settings
using the Front Panel Information Display. Refer to the
MA252 Front Panel Illustration on the previous page
while performing the following steps.
Note: If the MA252 is currently On,
proceed to step 2.
1. Press the STANDBY/ON Push-button on the Front
Panel or press the (Power ON) Push-button on
the Remote Control to switch On the MA252. The
MA252 will go through a brief startup initializa-
tion with the Front Panel Information Display first
indicating “MA252”, followed by the last used
source and volume setting. This is followed by the
volume setting indication starting at zero and then
increasing to the last used volume setting. Refer to
figure 1.
2. Press and hold in the INPUT Control until
the Front Panel Information Display indicates
“MA252 V1.00, (or higher Firmware version)
- S/N: AGA____” (Serial Number). Refer to
figure 2.
The MA252 functionality is controlled by internal
software that is know as Firmware. The Firmware for
the MA252 and can be identified at any time by utiliz-
ing the Setup Mode.
1. Press and hold in the INPUT Control to enter
Setup Mode.
2. Referring to the Front Panel Information Display-
the number after the character “V” is the Firm-
ware number. Refer to figure 2.
How to Operate the Setup Mode
The Default Settings Chart below indicates the Func-
tion Name, Default Setting and the Page Number for
additional information.
Default Settings
Firmware Version
Default Settings
Function Name Setting Page No.
MA252 V_._ _ 19
INPUTS On / Rename 19-21
DATA PORT All Data 21
IR Codes Normal 21
IR Sensor Enabled 21
Power Mode Enabled 21
Setup
Figure 2
MA252 V1.00
S/N: AGA____
Figure 1
UNBAL 1 15%
The MA252 provides the ability to switch unused
INPUTS Off (or back On if they have been previously
switched Off). The default INPUT Names can be
changed to match the name of the component con-
nected to it or any other custom name desired (within
10 Characters).
INPUT SWITCHED ON/OFF:
In the following example, the UNBAL 2 Input will be
switched Off.
Note: When an INPUT is swiched Off, its name will
no longer appear on the Front Panel Informa-
tion Display when using the INPUT Control
(Front Panel or Remote Control).
1. Press and hold in the INPUT Control to enter the
SETUP MODE. Refer to figure 2.
Input Settings
Figure 3
SETUP: Inputs
(Hold INPUT)
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