Sony CDX-GT550UI - Manual (Page 20)

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*1 When the unit is turned off.
*2 When FM is received.
*3 When the audio output is set to “SUB-OUT” or
Rear Bass Enhancer is set to other than “OFF.”
*4 When the audio output is set to “SUB-OUT.”
Other functions
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.
* Be sure to use a straight type plug.
Adjusting 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/OFF) repeatedly until “AUX”
appears.
After that, “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 17).
LOCAL (Local Seek Mode)
– “ON”: to only tune into stations with stronger
signals.
– “OFF”: to tune normal reception.
MONO* 2 (Monaural Mode)
Selects monaural reception mode to improve
poor FM reception: “ON,” “OFF.”
REGIONAL* 2
Restricts reception to a specific region: “ON,”
“OFF” (page 11).
ZAP TIME (Zappin Time)
Selects the playback time for the ZAPPIN
function.
– “Z.TIME-1 (about 6 seconds),” “Z.TIME-2
(about 15 seconds),” “Z.TIME-3 (about 30
seconds).”
ZAP BEEP (Zappin Beep)
Has the beep sound between track passages:
“ON,” “OFF.”
LPF FREQ* 3 (Low Pass Filter Frequency)
Selects the subwoofer cut-off frequency:
“50Hz,” “60Hz,” “80Hz,” “100Hz,” “120Hz.”
LPF SLOP* 3 (Low Pass Filter Slope)
Selects the LPF slope: ”1,” ”2,” ”3.”
SW PHASE* 4 (Subwoofer Phase)
Selects the subwoofer phase: “NORM,” “REV.”
HPF FREQ (High Pass Filter Frequency)
Selects the front/rear speaker cut-off frequency:
“OFF,” “50Hz,” “60Hz,” “80Hz,” “100Hz,”
“120Hz.”
HPF SLOP (High Pass Filter Slope)
Selects the HPF slope (effective only when HPF
FREQ is set to other than “OFF”): “1,” “2,” “3.”
LOUDNESS (Dynamic Loudness)
Reinforces bass and treble for clear sound at low
volume levels: “ON,” “OFF.”
BTM (page 10)
Connecting cord*
(not supplied)