JBL Home Theater System Home Theater System User Manual


 
SETUP
JBL Synthesis
3-42
3. When the desired parameter is highlighted, press the arrow
to select this parameter. A horizontal bar graph will open on
the on-screen and front panel displays.
4. When the horizontal bar graph opens, follow the instructions
on page 2-11 to adjust the selected parameter. When the SPL
meter is set to “C” weighting and “SLOW” response, output
levels should be adjusted to achieve a 75dB SPL meter reading
from the primary listening position. When the SPL meter is not
set to “C” weighting and “SLOW” response, output levels
should be adjusted to achieve the appropriate SPL meter
reading from the primary listening position.
5. When the desired adjustments have been made, press the
arrow to close the horizontal bar graph and return to the
SPEAKER LEVEL ADJUST or DACS CALIBRATION menu. When
the internal noise test is conducted, the internal noise test will
continue, and automatic scrolling will resume.
FRONT LEFT & RIGHT -18.0 to +12.0dB
Set the output levels for the speakers connected to the Main Zone
audio output connectors labeled Front L/R.
CENTER -18.0 to +12.0dB
Sets the output level for the speaker connected to the Main Zone
audio output connector labeled Center.
CENTER
(TEST)
LEVELS CALIBRATION
SPEAKERS
SETUP
FRONT RIGHTORFRONT LEFT
(TEST)
LEVELS CALIBRATION
SPEAKERS
SETUP
SPEAKER LEVEL ADJUST & DACS CALIBRATION Menus
Conducting the internal noise test opens the SPEAKER LEVEL
ADJUST menu shown on page 3-39. Conducting DACS calibration
opens the DACS CALIBRATION menu shown on the previous page.
Both menus can be used to adjust output levels for the Main Zone
audio output connectors.
Default Possible
Parameter Setting Settings
FRONT LEFT 0.0dB -18.0 to +12.0dB
CENTER 0.0dB -18.0 to +12.0dB
FRONT RIGHT 0.0dB -18.0 to +12.0dB
SIDE RIGHT 0.0dB -18.0 to +12.0dB
REAR RIGHT 0.0dB -18.0 to +12.0dB
REAR LEFT 0.0dB -18.0 to +12.0dB
SIDE LEFT 0.0dB -18.0 to +12.0dB
SUBWOOFER 0.0dB -18.0 to +12.0dB
To manually adjust output levels while the internal noise test or
DACS calibration is conducted:
1. When the internal noise test is conducted, set the SPL meter to
“C” weighting and “SLOW” response. When DACS calibration
is conducted, set the SPL meter according to the DACS
Installers Manual or audio calibration disc instructions. If no
setting is specified, set the SPL meter to “C” weighting and
“SLOW” response.
2. Press the remote control and arrows to highlight the
desired SPEAKER LEVEL ADJUST or DACS CALIBRATION menu
parameter.