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TECHNICALLY SPEAKING continued
62
response down to 20 Hz (including subwoofers
that meet THX Ultra2 standards) are used in typi-
cal-sized home listening rooms. It should be acti-
vated in setup if you have such subwoofers, but
otherwise turned off.
On-Screen Messages
The front-panel display and video on-screen display
may sometimes show these messages while you’re
watching a movie:
•
“Dial Norm Offset” (Dialog Normalization Offset):
Once the C 1 is calibrated for your room and sys-
tem, a volume setting of “0” will give you the
same sound levels in your room that you’d hear in
a commercial movie theater – assuming that the
dialog in the movie was recorded at the correct
level. The “Dial Norm Offset” message, which
flashes briefly on the built-in display and OSD at
the beginning of a Dolby Digital DVD, shows you to
what extent the dialog on that DVD deviates from
the standard. For example, if the dialog offset is +4
dB, that DVD’s dialog was recorded 4 dB too “hot.”
Reducing the C 1 Controller’s volume setting by 4
dB will restore normal overall levels.
•
“Digital Error”: The digital signal being fed to the
C 1 has errors in it, and the C 1 needs a little time to
analyze and accept it. This may happen very briefly
at the start of a DVD or CD and for longer periods
when surfing channels with a satellite receiver.
While this message appears, you won’t hear any
sound; so a slight delay whenever you tune your
satellite receiver to another station is quite normal.
Helpful Web Addresses
The following are the Web addresses for companies
mentioned in this manual:
•
Parasound: www.parasound.com
•
Dolby Laboratories: www.dolby.com
•
DTS (Digital Theater Systems):
www.dtsonline.com
•
THX: www.thx.com