JBL Synthesis Sdp-5 Manual

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JBL Synthesis
5-28LISTENING MODE MENU OPTION & PARAMETER
DESCRIPTIONS
5 SPKR ENHANCE
ON, OFF
Simulates 7-channel playback in 5-channel speaker configurations.
When set to ON, the SDP-5 provides an increased sense of
spaciousness and envelopment through the surround speakers.
This enhancement is most noticeable when the surround speakers
are positioned to the side of the primary listening position, or when
the primary listening position is located against the rear wall. The
effectiveness of...

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SDP-5
5-29BASS RT
5ms to 48.6s
Works with the MID RT and SIZE parameters to adjust the amount
of time required for low-frequency information to decay below
60dB in level. The BASS RT parameter setting should match the
MID RT parameter setting for more natural effects in smaller
listening spaces.
CALIBRATIONOpens the PANORAMA listening mode CALIBRATION menu, which
can be used to calibrate the PANORAMA listening mode. Refer to
page 5-11 for more information.CENTER
OFF, -30 to +12dB
Controls the...

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JBL Synthesis
5-30Listening Mode Menu Option & Parameter Descriptions(continued from page 5-29)CUSTOM VS PRESETAllows comparison listening to the custom and factory-default
versions of the selected listening mode. When PRESET is selected,
the listening mode is heard in its factory-default condition – as if all
parameters had been restored to their factory-default settings. No
parameter settings are affected when this option is selected. The
listening mode will revert to its modified condition...

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SDP-5
5-31 The DOLBY DIGITAL EX listening mode is available when Dolby
Digital Surround EX decoding is engaged. The DOLBY DIGITAL
listening mode is available when Dolby Digital Surround EX
decoding is not engaged. Dolby Digital Surround EX decoding
cannot be engaged unless both side and rear speakers are present.
Refer to page 5-18 for more information.
When the Shift command bank is activated, pressing the remote
control DOLBY button while a 5.1-channel Dolby Digital input
source is present...

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JBL Synthesis
5-32Listening Mode Menu Option & Parameter Descriptions(continued from page 5-31)LFE MIX
-20.0 or -10.0 to +0.0dB
Controls the output level of LFE information – the .1 channel in a
5.1- or 6.1-channel input source – that is sent to the Main Zone
audio output labeled Subwoofer. Low frequencies from up to seven
other channels might be combined with the LFE information to
create the subwoofer output signal, which significantly increases
subwooferoutput levels. Careful adjustment of...

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SDP-5
5-33PANORAMA
ON, OFF
When set to ON, extends the front stereo image to include 
surround channel signals, which creates a “wraparound” effect
with side wall imaging.
Note:The DOLBY PLII MUSIC listening mode PANORAMA
parameter should not be confused with the separatePANORAMA listening mode (5-11).
PRE-DELAY
OFF, 1 to 100ms
Adjusts delay time between the direct sound and the onset of
reverberation. Higher settings make the simulated space sound
larger. Because some pre-delay is inherent...

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JBL Synthesis
5-34Listening Mode Menu Option & Parameter Descriptions(continued from page 5-33)RESET MODE 
(continued)
3. Press the Menu arrow to close the CUSTOM menu and
return to the listening mode menu.
Note:When the CUSTOM menu RESET MODE option is
selected to restore the factory-default version of the
selected listening mode, the corresponding TRIGGER
SETUP menu listening mode parameter isautomatically set to OFF.
ROLLOFF
500Hz to 20.0kHz, OFF
Simulates the absorption of high...

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SDP-5
5-35SPEECH DETECT
ON, OFF
Distinguishes monaural speech from other input sources. When set
to ON, effects are lowered to minimize interference and unnatural
echo in monaural speech. When stereo input sources are
present, the front left and right channels are independently used as
inputs for ambience synthesis. When strong monaural speech is
present in the input source, the monaural component of the
ambience effect is reduced and the stereo component of the effect
is increased. When set...

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JBL Synthesis
5-36Listening Mode Menu Option & Parameter Descriptions(continued from page 5-35)SURROUND EX 
(continued)
When the Shift command bank is activated, pressing the remote
control THX button while a 5.1-channel Dolby Digital input source
is present activates the 5.1 THX, 5.1 THX ULTRA2, or 5.1 THX
SurEX listening mode.
Note:Toggling the SURROUND EX parameter settingproduces low-level clicks in the front speakers.
SURROUND MIX
-5 to +5dB
Controls the relative level of surround...

6
Troubleshooting & Maintenance
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Restoring Factory-Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4