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DIRECT Surround Sound Mode for DTS Playback
When the SSD-66 (5.1) has an Input Label set to
the "Multi-Pin" input, the only mode available for
DTS playback is the "DIRECT" mode. While the
Setup Mode does permit you to seemingly set
other modes for DTS, once out of the setup mode,
the only mode available is the "Direct" mode.
Please note, by the sheer fact the input is set to
"Multi-Pin", this input, whenever selected, will al-
ways engage the "Direct" mode. In the "Direct"
mode, the SSD-66 (5.1) acts more as a six chan-
nel digital preamplifier and D/A convertor. Thus,
apart from the previously mentioned bass sum-
ming filter and bass level control, only one other
filter is active for DTS playback, THX RE-EQ.
DTS encoded software is very dynamic, especially in the bass channels. Thus special atten-
tion needs to be given to the bass summing in that the DTS bass information will most likely
need to be toned down approximately 10 dB.
Furthermore, since DTS is used for both film and music, listening to a movie soundtrack will
sound better with the THX RE-EQ circuit on, while listening to music will sound better with it
off. ADA suggests setting up two DTS Input Labels, one labeled as "LASER DTS 3" for film
playback and one labeled as "DTS MUSIC". The only difference between these two Input
Labels would be that the "LASER DTS" Input Label will default to the THX RE-EQ in the on
position while the "DTS MUSIC" Input Label would default to the RE-EQ filter being off. To set
the bass sum filter (may already be set since it was discussed in previous pages), the RE-EQ
filter, and the bass level (may also already be set) for a DTS Input Label (multi-pin input):
Step 1
Repeatedly press the INPUT SELECT button until you are on an DTS Input Label.
Step 2
Repeatedly press the SETUP MODE button until the display reads "L/C/R EQ ON" or "L/C/
R EQ OFF".
Step 3
Use the VOL UP or VOL DN button to turn the filter off or on. ADA suggests leaving it on for
film playback and off for music playback.
Step 4
While still in the Setup Mode, repeatedly press the ALL button until the display reads the
bass sum setting of "SUM-10DB=SUB". You could opt to use another bass setting but you
will have to carefully adjust the bass level.
Step 5
Press the INPUT SELECT button to exit the setup mode.
Step 6
Momentarily press the VOL PRESET button to recall the volume levels set during pink
noise calibration. While still on a DTS Input Label, begin to engage a DTS source compo-
nent into play.
Step 7
Leaving the volume level untouched for all channels, press the ALL button until the display
reads "SUB ### DB". Use the volume buttons to set the bass level and then press and
hold the VOL PRESET button until the display reads "STORE VOL". You have now locked
into the preset for this Input Label its specific bass level setting.
CENTER
FRONT (LEFT)
SUBWOOFERS
SUR. (LEFT)
- 59 -
FRONT (RIGHT)
SPEAKER ON
SPEAKER OFF
SUR. (RIGHT)
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