JVC KW-R520M Manuel D'instructions page 12

AUDIO SETTINGS
AMP GAIN LOW POWER: Limits the maximum volume level to 25. (Select if the
maximum power of each speaker is less than 50 W to prevent damaging
the speakers.) ; HIGH POWER: The maximum volume level is 35.
D.T.EXP ON: Creates realistic sound by compensating the high-frequency
(Digital Track components and restoring the rise-time of the waveform that are lost in
audio data compression. ; OFF: Cancels.
Expander)
TEL MUTING * 5 ON: Mutes the sounds while using the cellular phone (not connected
through KS-BTA100). ; OFF: Cancels.
SPK/PRE OUT
Depending on the speaker connection method, select the appropriate
setting to get the desired output. ( Speaker output settings)
* 5
Does not work if [BT ADAPTER] is selected for [AUX] in [SRC SELECT]. ( 4)
Speaker output settings
Select the output setting for the speakers [SPK/PRE OUT], base on the
speaker connection method.
Connection via lineout terminals
For connections through an external amplifier. ( 17)
Setting on
[SPK/PRE OUT]
FRONT
REAR/REAR
Front speakers output
REAR/SUB.W
Front speakers output
SUB.W/SUB.W
Front speakers output
10
Audio signal through lineout terminal
REAR/SW
Rear speakers output
Subwoofer output
Subwoofer output
Connection via speaker leads
For connections without using an external amplifier. However, with this
settings you can also enjoy the subwoofer output. ( 17)
Setting on
[SPK/PRE OUT]
L (left)
REAR/REAR
Rear speakers output
REAR/SUB.W
Rear speakers output
SUB.W/SUB.W
Subwoofer output
If [SUB.W/SUB.W] is selected:
– [HIGH 120HZ] is selected in [SUB.W LPF] and [THROUGH] is not available.
– [R01] is selected in [FADER] and selectable range is [R06] to [00].
Audio signal through rear speaker lead
R (right)
Rear speakers output
Rear speakers output
(Mute)