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MODE ADJUST
JBL
5-38
Listening Mode Menu Parameter Descriptions
(continued from page 5-37)
LFE OFF, -30 to +12dB
Controls the output level of the Main Zone audio output connector
labeled LFE. The OUTPUT LEVELS menu does not include the LFE
parameter unless an LFE subwoofer is present.
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 source – that is sent to the Main Zone audio
output connectors labeled Subwoofer L/R and LFE. Low frequencies
from up to seven other channels might be combined with the
LFE information to create the subwoofer output signal, which
significantly increases subwoofer output levels.
Careful adjustment of this parameter allows achievement of proper
tonal balance and reduces the risk of subwoofer overload. When
the speaker setup does not include a subwoofer, LFE information is
mixed into speakers for which the corresponding CUSTOM SETUP
menu parameter is set to FULL or to the lowest crossover points.
LISTENER POS -127 to +127
Compensates for primary listening positions that are not centered
between the front left and right speakers. Each increment within
the –127 to +127 parameter range represents about one-third of
an inch. Refer to the Calibration section that begins on page 5-12
for more information about the LISTENER POS parameter.
Note:
The LISTENER POS parameter range might extend
past the location of the front left and right speakers.
LIVENESS 30ms to 20.2s
Depends on the SIZE parameter setting. The LIVENESS parameter
adjusts the amount of effect recirculation. Higher settings mimic
more reflective surfaces and increase decay time.
LOW FREQ WIDTH -25 to +25dB
Applies low-frequency spatial correction to un-correlated input
signals below 60Hz.
MASTER LEVEL -5 to +5dB
Adjusts the output level of 2-channel LOGIC7-encoded sources.
MID RT 24ms to 24.3s
Works with the BASS RT and SIZE parameters to adjust the amount
of time required for mid-frequency information to decay below
60dB in level. The full parameter range might not be available
depending on the BASS RT and SIZE parameter settings.
Setting the BASS RT, MID RT, or SIZE parameters to a high
value may produce undesirable or damaging audio.
CAUTION