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How to operate the Sound Adjustment Mode
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When this deck is in normal mode, it corresponds to basic speaker systems which comprise front
speakers, rear speakers, and subwoofer. In such cases, the crossover can be used to apply the
HPF to the front and rear speakers and the LPF to the sub-woofer so that the sound from all
speakers merges properly. In addition to the 4 speaker system, in pro mode, the adjustments can be
made to suit speaker system where the front speaker, rear speaker and non-fader output can be
switched between Hi, Mid or Low output and the speakers can be combined according to each
range (treble range: tweeter, mid range: mid, bass range: woofer) to provide 3-way playback. In this
case, the crossover function can be used to adjust the playback ranges so that the HPF is applied to
the treble-range speakers, the HPF and LPF is applied to the Mid-range speakers, and the LPF is
applied to the bass-range speakers so that the sound from all speakers merges properly.
Non-Fader phase
The sounds that are output from woofers include sounds that are in the same frequency ranges that
are output from the front and rear speakers, and under the various conditions that can occur inside
vehicle compartments, some of these sounds may cancel each other out. This phenomenon can be
eliminated by changing the phase of the woofer.
The phase of the woofer can be set to normal timing (in which the output timing between the front
and rear speakers and the woofer is the same) or reverse timing (in which the output timing between
the front and rear speakers and the woofer is different), depending on the vehicle compartment
conditions.
Bass range
(woofers)
Mid range (Front and rear speakers)
20Hz
fc(LPF/HPF)
20kHz
80Hz, 100Hz
XI