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Front Panel Operation Mark Levinson
your components, or you can use the power buttons on your
various Mark Levinson components.
When first connected to the AC mains, the audio and the video
portions of the Nº40 run extensive self-diagnostics before they
respond to your commands. Please wait until the standby LED indi-
cators on both units begin to blink, indicating that they have
completed their initialization procedures and are in Standby mode.
If either or both units fail to enter standby normally, make sure the
Nº40 communications cable is properly installed between the two
components.
Note If the power button has been used to “turn off” the system, it cannot
respond to commands from remote controls or external control
systems. We suggest using Standby except on those occasions when
you will be away for an extended period of time.
Surround Mode Knob
The surround mode knob will cycle you through the applicable
surround processing options available for the input you have
selected. Turn the knob to move through your options until you
find the one you want, given the nature of the source to which you
are listening.
Note that this is signal-dependent: there are many more options for
processing a two-channel signal than there are for processing a
discrete multichannel signal. After all, many of those two-channel
options are oriented toward making the two-channel signal into a
multichannel signal; they are not needed when you have discrete
multichannel information to begin with.
Thus, when listening to a two-channel source like a CD, you have a
range of options including:
• 2-channel stereo
• Stereo Surround
•Dolby Pro Logic
• Dolby Pro Logic with THX.
When listening to a discrete multichannel signal like Dolby Digital
5.1, or DTS, your options include:
•Downmix (2-ch)
•Multichannel
• THX Cinema.
By creatively using the sound profile feature, the Nº40 will most
often be able to determine what is the “correct” surround mode for
the signal you are playing, and automatically engage it. However,
you always have the option of overriding this default setting. To do