Ir Sensor; Power Mode; Factory Reset - McIntosh MA8900 Owner's Manual

IR Sensor

The MA8900 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 42.
SETUP: Front IR
Enabled
Figure 42
3. Rotate the VOLUME (ADJUST) Control to select
Disabled. Refer to figure 43.
SETUP: Front IR
Disabled
Figure 43
5. Exit the SETUP Mode by several presses of the
INPUT Control.
22

Power Mode

The MA8900 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 17.
2. Rotate the INPUT Control until "SETUP: Auto
Off, Enabled" appears on the Information Display.
Refer to figure 44.
SETUP: Auto Off
Enabled
Figure 44
3. Rotate the VOLUME (ADJUST) Control to select
Disabled. Refer to figure 45.
SETUP: Auto Off
Disabled
Figure 45
4. Press the INPUT Control to exit the Setup Mode.

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 17.
2. Rotate the INPUT Control until "FACTORY RE-
SET, (Hold INPUT)" appears on the Information
Display. Refer to figure 46.
FACTORY RESET
(Hold INPUT)
Figure 46
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 47 and 48.
FACTORY RESET
In Progress!
Figure 47
FACTORY RESET
Completed!
Figure 48
4. Press the Front Panel STAND/BY Push-button to
switch On the MA8900.
Setup, con't