Troubleshooting and Maintenance Lexicon
6-4
ROUTINE MAINTENANCE
The bulleted items below describe routine maintenance that should
be performed on a periodic basis.
• Clean the MC-8 exterior surface with a soft, lint-free cloth. Do
not use alcohol, benzene, acetone-based cleaners or strong
commercial cleaners. Do not use a cloth made with steel wool
or metal polish. If the MC-8 is exposed to a dusty environment,
a low-pressure blower can be used to remove dust from its
exterior surface.
• Replace the remote control batteries as needed. The remote
control requires two AA batteries. When these batteries are low
on power, the remote control enters a low-voltage condition
that prevents it from operating the MC-8. Normal operation
will resume when new batteries are installed.
RESTORING FACTORY-DEFAULT SETTINGS
When factory-default settings are restored, all parameters and user-
defined values are restored to their factory-default settings. Before
restoring factory-default settings, record all user-defined settings in
the Installation Worksheet in the Appendix on page A-20.
To restore factory-default settings:
1. Record all user-defined settings on the installation worksheet
that begins on page A-20. When factory-default settings are
restored, all parameters and user-defined values are restored to
their factory-default settings.
2. If the MC-8 is powered on, press the front-panel standby
button or the remote control Off button to activate standby
mode and deactivate the MC-8. If the MC-8 is in standby
mode, proceed to step 3.
3. Press the front-panel standby button or the remote control On
button to deactivate standby mode and activate the MC-8.
4. Quickly press and hold the front-panel or remote control Mute
button until the FACTORY SETTINGS menu opens in the on-
screen and front-panel displays.
5. Press the remote control and arrow buttons to highlight
the desired option. Highlight the RESTORE DEFAULTS option to
restore factory-default settings. Highlight the EXIT option to
close the FACTORY SETTINGS menu without restoring factory-
default settings.
6. When the desired option is highlighted, press the remote
control arrow button to select this option.
• If the RESTORE DEFAULTS option was selected, the
FACTORY SETTINGS message shown in the previous page
will appear in the on-screen and front-panel displays. When
this message appears, press a front-panel or remote control
button to restart the MC-8.
• If the EXIT option is selected, the FACTORY SETTINGS menu
will close and the two-line status will open in the on-screen
and front-panel displays.
FACTORY SETTINGS
EXIT
RESTORE DEFAULTS
FACTORY SETTINGS
HAVE BEEN RESTORED
PRESS ANY KEY
TO RESTART
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