Preamplifi Er Output (Preamp-Out/Sub-Out); Adjusting The Sub-Out Level; Adjusting The Sub-Out Cutoff Frequency - Blaupunkt LONDON MP37 7 647 553 310 Operating Instructions Manual

Preamplifi er output
Preamplifi er output
(Preamp-Out/Sub-Out)
You can use the preamplifi er outputs
(Preamp-Out) of the car sound system to
connect external amplifi ers. In addition,
you can connect an amplifi er for operating
a subwoofer to the integrated dynamic low-
pass fi lter of the device (level and cutoff fre-
quency can be adjusted).
For this purpose, the amplifi ers must be
connected as described in the installation
instructions.

Adjusting the sub-out level

The sub-out level can be adjusted in 8 incre-
ments (0 to +7).
u Press the AUD button <.
"BASS" appears on the display.
u
Press the or
edly until "SUBOUT" appears on the
display.
u
Press the or
reach the SUBOUT submenu.
u
Press the or
value between 0 and +7.
When you have fi nished making your
changes,
press the AUD button < twice.
u
66
button 8 repeat-
button : once to
button : to adjust a
Adjusting the sub-out cutoff
frequency
You can select 1 of 4 settings: 0 Hz, 80 Hz,
120 Hz and 160 Hz.
u Press the AUD button <.
"BASS" appears on the display.
u
Press the or
edly until "SUBOUT" appears on the
display.
u
Press the or
reach the SUBOUT submenu.
u or button 8 repeatedly
Press the
until the desired frequency appears on
the display.
When you have fi nished making your
changes,
u press the AUD button < twice.
button 8 repeat-
button : once to