JVC KD-DB52 Manuel D'instructions page 18

Menu operations
Menu item
FADER *4*5
BALANCE *5
LOUD
(Loudness)
VOL ADJUST
(Volume adjust)
L/O MODE
(Line output
mode)
SUB.W LPF *6
(Subwoofer low-
pass filter)
SUB.W LEVEL *6
(Subwoofer level)
HPF
(High-pass filter)
BEEP
(Keytouch tone)
TEL MUTING *7
(Telephone
muting)
AMP GAIN *8
(Amplifier gain)
*4 If you are using a two-speaker system, set the fader level to "00".
*5 This adjustment will not affect the subwoofer output.
*6 Displayed only when <L/O MODE> is set to <SUB.W>.
*7 This setting does not work if <BT ADAPTER> is selected for <R-AUX> of <SRC SELECT>.
*8 The volume level automatically changes to "VOLUME 30" if you change to <LOW POWER> with
the volume level set to higher than "VOLUME 30".
18 | ENGLISH
R06-F06 [00]: Adjusts the front and rear speaker output balance.
L06-R06 [00]: Adjusts the left and right speaker output balance.
ON: Boosts low and high frequencies to produce a well-balanced sound at a
low volume level.
[OFF]: Cancels.
-05 - +05 [00]: Presets the volume adjustment level of each source,
compared to the FM volume level. Before adjustment, select the source you
want to adjust. ("VOL ADJ FIX" appears if "FM" is selected.)
Select if the REAR/SW terminals are used for connecting the following
devices (through an external amplifier).
SUB.W: Subwoofer
[REAR]: Speakers
LOW 55Hz / [LOW 85Hz] / LOW 120Hz:
Audio signals with frequencies lower than 55 Hz/85 Hz/120 Hz are sent to
the subwoofer.
00-08 [04]: Adjusts the subwoofer output level.
ON: Activates the High Pass Filter. Low frequency signals are cut off from the
front/rear speakers.
[OFF]: Deactivates. (All signals are sent to the front/rear speakers.)
[ON]/OFF: Activates or deactivates the keypress tone.
ON: Attenuates the sounds while using the cell phone (not connected
through KS-BTA100).
[OFF]: Cancels.
LOW POWER: VOLUME 00-VOLUME 30 (Select if the maximum power of
each speaker is less than 50 W to prevent damaging the speakers.)
[HIGH POWER]: VOLUME 00-VOLUME 50
Selectable setting (Initial: [XX])