Using Optional Equipment; Auxiliary Audio Equipment - Sony MEX-BT4700U Operating Instructions Manual

HPF (High Pass Filter)
Selects the front/rear speaker cut-off frequency:
"OFF," "80Hz," "100Hz," "120Hz," "140Hz,"
"160Hz."
LOUD (Loudness)
Reinforces bass and treble for clear sound at low
volume levels: "ON," "OFF."
BTM (page 12)
DM+*
2
To set the DM+ function: "ON,""OFF."
BT INIT* 1 (page 22)
*1 When the unit is turned off.
*2 When CD/USB source is activated.
*3 When FM is received.
24

Using optional equipment

Auxiliary audio equipment

By connecting an optional portable audio device
to the AUX input jack (stereo mini jack) on the
unit and then simply selecting the source, you
can listen on your car speakers. The volume level
is adjustable for any difference between the unit
and the portable audio device. Follow the
procedure below:
Connecting the portable audio
device
1 Turn off the portable audio device.
2 Turn down the volume on the unit.
3 Connect to the unit.
AUX
Connecting cord*
(not supplied)
* Be sure to use a straight type plug.
Adjust the volume level
Be sure to adjust the volume for each connected
audio device before playback.
1 Turn down the volume on the unit.
2 Press (SOURCE) repeatedly until "AUX"
appears.
"AUX FRONT IN" appears.
3 Start playback of the portable audio device at a
moderate volume.
4 Set your usual listening volume on the unit.
5 Adjust the input level (page 22).