JVC EXAD LVT1373-001A - Manual (Page 28)

28
ENGLISH
Sound adjustments —
Preference settings
Activating crossover network
Crossover network function enables to allocate
sound signals to different speakers by frequency
range.
By activating crossover network, you can make
precise adjustments to match the characteristic
of each speaker. (See “To adjust reproduced
frequency level—Crossover” on page 30.)
If you have installed the 3-way network
speaker system in the car, make sure of
the following.
• Before using the system, activate crossover
network and preset the appropriate cutoff
frequencies for HPF/LPF (especially
for HPF); otherwise, it may damage the
speakers.
• For 3-way network speaker system, see
Installation/Connection Manual (separate
volume).
• Until you finish the following procedure, you
cannot perform other operations.
While the power is turned off...
1
2
• To cancel the procedure, press and hold
. The power turns off.
3
Finish the procedure.
• indicator lights up (in
sequence with other indicators).
To cancel Crossover
Repeat the same procedure.
Make sure that “Crossover Off?” appears on the
display in step
1 and “Crossover Off OK?” in
step 2.
• indicator goes off.
Adjustable items for crossover network
You can adjust the following parameters for
crossover network. For details, see pages 30
and 31.
• HPF (high pass filter): For front/rear
speakers.
• LPF (low pass filter): For rear speakers
and subwoofer*.
• Slope (filter attenuation slope): For front/
rear speakers and subwoofer*.
* You can adjust LPF and slope for
subwoofer even though crossover network
is deactivated.
How crossover parameters actually
work
(Press any button)
Reproduced frequency band
Slope
Cut off
frequency of
HPF
Cut off
frequency of
LPF
Frequency
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