McIntosh MX123

31
Factory Reset
Use the Factory Reset options to restore the MX123
back to its original factory defaults. These options
will erase all changes made to the settings. The
rmware will remain the latest installed version.
There are two portions to the Factory Reset. The
rst is the MCU (microcontroller unit) settings
which includes all changes from the default settings.
The second includes Network functions such as
credentials for Online services. Each part can be reset
individually or you can choose to reset both.
To perform a Factory Reset:
• Simultaneously, press and hold two buttons
[A] and [B] while powering on the MX123
with the STANDBY/ON button
• Hold all three Buttons for at least 3 seconds
while the power is on
• Release the buttons
Choose the two buttons, [A] and [B], according to
what you want reset:
Button A Button B Function
MOVIE MUSIC Reset MCU only
RETURN SLEEP Reset MCU and
Network module
RETURN ENTER Reset Network
module only
Examples Error Details Corrective Measures
No Speakers found Sound calibration microphone is
not detected
Not all speakers could be
detected
Connect the included Sound
Calibration Microphone to the SETUP
MIC jack on the Rear Panel
Check the speaker connections
Ambient noise is too high or
level is too low
There is too much noise in the
room
Speaker or subwoofer sound is
too low
Either turn off any device generating
noise or move it away
Perform again when the surroundings
are quieter
Check the speaker installation and the
direction in which the speakers are
facing
Adjust the subwoofer’s volume
Front R: None The displayed speaker could not
be detected
Check the connections of the displayed
speaker
Front R: Phase The displayed speaker is
connected with the polarities
reversed
Check the polarity of the displayed
speaker
For some speakers, this error message
may be displayed even if the speaker is
properly connected. If you are sure the
connection is correct, press  to select
“Ignore”, then press ENTER
Figure 27– Error table
An error message is displayed if Audyssey
®
Setup could not be completed due to speaker placement, the
measurement environment, etc. If an error message is displayed, check the relevant items and perform the
necessary measures. See Figure 27.
Be sure to turn o the power before checking speaker connections.