Optimus PROFFESIONAL SERIES STAV-3370 - Manual (Page 21)

21
Using Advanced Sound Options
Sound Mode Adjustments
(Remote Control Only) Center Mode Setting
The center mode setting affects the center channel’s bass signals. It operates
only when you select the Dolby Pro-Logic Surround or Dolby 3CH Logic mode.
Slide
AUDIO
•
VCR on the remote control to AUDIO . Each time you press CENTER
MODE on the remote control, the setting changes, and the receiver’s corre-
sponding indicator lights: NORMAL - WIDE - PHANTOM for Dolby Pro-Logic Sur-
round; NORMAL - WIDE for Dolby 3CH Logic.
NORMAL — Select this mode if you use a small center speaker. The front left and
right speakers play the center-channel bass sounds.
WIDE — Select this mode if you use a medium or large center speaker. The cen-
ter speaker plays the center-channel bass sounds.
PHANTOM — Select this mode if you have no center speaker. All center-channel
sound comes from the front left and right speakers.
Test Tone
The test tone feature provides a test tone that lets you balance the signal levels
between all your speakers. See “Center Level” and “Rear Level.”
To activate the test tone, select one of the surround sound modes and set
AUDIO/VCR on the remote to VCR . Then press TEST TONE . The receiver sounds
a 2-second tone from the front left, center, front right, and rear speakers, in
sequence. The center test tone sounds only when you select the Dolby Pro-
Logic Surround or Dolby 3 CH Logic Sound mode.
In the Dolby 3CH Logic Sound mode, the receiver sounds a 2-second tone from
the left, center, and right speakers, in sequence.
Press TEST TONE again to turn off this feature.
Center Level
Slide AUDIO
•
VCR to AUDIO . Then press – CENTER + to adjust the center
speaker sound level while in the Dolby Pro-Logic Surround or Dolby 3CH Logic
mode.
Rear Level
Slide AUDIO • VCR to VCR . Then press – REAR + to set the rear speakers’ sound
level while in the Dolby Pro-Logic Surround or Simulated Surround mode.
Delay Time
In the Simulated Surround and Dolby Pro-Logic Surround modes, the receiver
slightly delays the sound going to the rear speakers. You can change the delay
time from 16 to 30 milliseconds (ms) in 2 ms steps. Adjust this for the best sur-
round effect.
Slide AUDIO
•
VCR to VCR . Then press and hold DELAY TIME to change the delay
time. The receiver displays the selected time.
Notes:
• If you do not use a center speaker, the
monaural signals are only reproduced
if you select PHANTOM.
• You cannot select PHANTOM in the
Dolby 3CH Logic Sound mode.
Notes:
• Use the VOLUME control to adjust the
overall sound level.
• Set the center mode to a selection
other than PHANTOM before adjusting
the center level.
Notes:
• For Dolby Pro-Logic Surround, the
delay is preset to 20 mS.
• The delay time does not affect the Stu-
dio Effect mode.