McIntosh MA252 - Setup Configuration Options; IR Sensor and Power Mode Settings; Factory Reset Procedure

22
Setup, con’t
IR Sensor
The MA252 Front Panel Sensor, which receives the
signals from the HR091 Remote Control, can be
switched off to prevent interference when other Re-
mote Control IR Signals are received. 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 19.
2. Rotate the INPUT Control until “SETUP: Front
IR, Enabled” appears on the Information Dis-
play. Refer to figure 24.
3. Rotate the VOLUME (ADJUST) Control to select
Disabled. Refer to figure 25.
4. Exit the SETUP Mode by several presses of the
INPUT Control.
Figure 24
SETUP: Front IR
Enabled
Figure 25
SETUP: Front IR
Disabled
Power Mode
The MA252 incorporates an Auto Off Feature, which
automatically places the preamplifier into the Power
Saving Standby/Off Mode. This occurs approximately
30 minutes after there has been an absence of user ac-
tivity (includes changes to any of the Operation Func-
tions such as source selection, volume adjustment,
etc.) or absence of an audio signal. If it is desirable to
disable the Auto Off Feature perform the following
steps:
1. Press and hold in the INPUT Control to enter the
SETUP MODE. Refer to figure 2 on page 19.
2. Rotate the INPUT Control until “SETUP: Auto
Off, Enabled” appears on the Information Display.
Refer to figure 26.
3. Rotate the VOLUME (ADJUST) Control to select
Disabled. Refer to figure 27.
4. Press the INPUT Control to exit the Setup Mode.
Figure 26
SETUP: Auto Off
Enabled
Figure 27
SETUP: Auto Off
Disabled
Factory Reset
If it becomes desirable to reset all the adjustable set-
tings (Setup and Trim Settings) to the factory default
values, perform the following steps:
1. Press and hold in the INPUT Control to enter the
SETUP MODE. Refer to figure 2 on page 19.
2. Rotate the INPUT Control until “FACTORY RE-
SET, (Hold INPUT)” appears on the Information
Display. Refer to figure 28.
3. Press and hold in the INPUT Control until “FAC-
TORY RESET, In Progress!” appears on the Infor-
mation Display, then release the INPUT Control.
Refer to figures 29 and 30.
4. Press the Front Panel STAND/BY Push-button to
switch On the MA252.
Figure 30
FACTORY RESET
Completed!
Figure 28
FACTORY RESET
(Hold INPUT)
Figure 29
FACTORY RESET
In Progress