JVC KD-AVX1 Manuel D'instructions page 43

Vol Adjust (volume adjust)
HPF (High pass filter)
Sub Woofer
Adjust and store the volume level of each source
except FM.
Once you have made an adjustment, it
is memorized, and the volume level will
automatically increase or decrease by adjusted
level when you change the source.
Adjust to match the input level to the FM sound
level.
• –12 (min) to +12 (max.)
Adjust the cut-off frequency to the front/rear
speakers according to the subwoofer setting.
• 55 Hz: Cuts off frequencies lower than 55 Hz.
• 85 Hz: Cuts off frequencies lower than 85 Hz.
• 125 Hz: Cuts off frequencies lower than
125 Hz.
• Through: Cuts off no frequencies.
See the article below for the subwoofer setting.
Adjust the settings below in the SetUp submenu.
• Volume: Subwoofer output level
• Freq.: Subwoofer cut-off frequency
• Phase: Subwoofer phase. Select which
reproduces a better sound from "Normal" and
"Reverse".
OK
43