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Effects
The effect button is used to select the type of surround sound or audio technology you want to use with a
particular input. In many cases, the control pod will recognize what audio technology is streaming from your
audio device, and will automatically select it.
For example, if you are watching a DVD and have selected the Dolby® Digital 5.1 stream on the DVD, then
when you select the DVD audio input, Dolby® Digital will automatically be the selected effect. The control
pod will default to the last effect used by whatever input source you are using.
You can use the ‘effect’ button to select a different audio technology if you wish to change it. Note that not
all effects are available for all inputs (refer to the table):
Repeatedly pressing the ‘effect’ button rotates through the available options for that type of input. If only one
effect option is available, then the effect button will have no impact.
Whenever the input or bitstream changes, the previously selected effect will be automatically re-selected. For
example, if you select Dolby® Pro Logic® II while listening to the 6 ch. Direct input, ‘Dolby® Pro Logic® II’ will
be stored in memory for the ‘Direct’ Input. The next time you select the Direct input, Dolby® Pro Logic® II will
be automatically selected as the effect.
When returning from Standby, the previously selected input and effect will be shown on the control pod.
Each effect is described on the next page. For more information about surround sound and other digital
audio technologies, visit www.logitech.com.
• DTS®: Decode the DTS® stream using the DTS® decoding algorithm (or DTS® 96/24 algorithm,
depending on the bitstream). Your audio source must have a DTS® 5.1 soundtrack.
WHAT IT IS: DTS® is a digital audio stream that gives you discrete 5.1 audio. When enabled it will give
you full surround sound with separate front, rear, and center channels.
For wireless transmission to the rear channels, Logitech introduces the world’s fi rst THX®-certifi ed
wireless rear speaker system that features independent rear channels (no wires between rear speakers
or a receiver box). This proprietary digital wireless technology offers state of the art clarity and
reliability with adaptive channel hopping, redundant transmission of music streams, and low latency
using 48kHz sample rates. 96kHz audio streams are re-sampled to 48kHz in the rear channels only.
• Dolby® Digital: Decode the Dolby® Digital 5.1 stream using the Dolby® Digital decoding algorithm.
Your audio source must have a Dolby® Digital soundtrack.
WHAT IT IS: Dolby® Digital 5.1 is a digital audio stream that gives you discrete 5.1 audio. When
enabled it will give you full surround sound with separate front, rear, and center channels.
• Dolby® Pro Logic® II Movie: Decode the Dolby® Digital stereo, PCM stereo, or analog 2 channel
stream using the Dolby® Pro Logic® II Movie decoding algorithm.
WHAT IT IS: Dolby® Pro Logic® II Movie is a surround sound format that creates 5.1 surround sound
from stereo movie sources. When enabled it will give you full surround sound with front, rear, and
center channels from a stereo signal. PL2 movie is optimized for movie content.
• Dolby® Pro Logic® II Music: Decode the Dolby® Digital, PCM stereo, or L/R analog 2 channel stream
using the Dolby® Pro Logic® II Music decoding algorithm.
WHAT IT IS: Dolby® Pro Logic® II Music is a surround sound format that creates 5.1 surround sound
from stereo music sources. When enabled it will give you full surround sound with front, rear, and
center channels from a stereo signal. PL2 music is optimized for music playback.
• 6 Channel Direct: Send all 6 channels from the direct input straight to the amplifiers without
applying any decoding algorithm.
WHAT IT IS: This direct analog stream is raw audio, without decoding. Depending on the audio type,
you may or may not receive surround sound.
• Stereo: Send the Dolby® Digital stereo, PCM stereo, or L/R analog 2 channel stream to the front
speakers only without applying any decoding algorithm.
WHAT IT IS: This effect will send the stereo audio to the front speakers only.
Adjusting Volume and Other Levels
To adjust the main volume, simply rotate the knob.
To adjust your trim levels for the subwoofer, center channel, or the surround (rear) speakers, press the ‘level’
button to cycle through them. For each one, rotate the knob to adjust the level. Note that each level setting
is a “global” setting, meaning that the levels will remain the same regardless of what input or effect is
selected.
The LCD will return to its previous state if left alone for 5 seconds.
POSSIBLE EFFECTS
INPUT
DTS® DOLBY®
DIGITAL
DOLBY®
PRO LOGIC®
II MOVIE
DOLBY®
PRO LOGIC®
II MUSIC
6 CHANNEL
DIRECT
STEREO
optical 1-2 / coax
(DTS® 5.1 stream)
•
optical 1-2 / coax
(Dolby® Digital 5.1 ch.)
•
optical 1-2 / coax
(Dolby® Digital 2 ch. Stereo)
•• •
optical 1-2 / coax
(PCM stereo)
•• •
Direct
••••
Stereo 1-3
•• •
Table 1 - Surround Sound/Audio Effects Available by Input Stream
Operation
Operation