Rds Operation; Turning Af (Alternative Frequencies) On Or Off; Receiving Traffic Information; Pty (Programme Type) Tuning - Alpine VPE-S431 Operating Instructions Manual

RDS Operation

Turning AF (Alternative Frequencies) On or
Off
The RDS (Radio Data System) is a radio information system using
the 57 kHz subcarrier of regular FM broadcast. The RDS allows you
to receive a variety of information such as traffic information, station
names, and to automatically re-tune to a stronger transmitter that is
broadcasting the same programme.
1
Touch [SYS.] on the main source screen.
The SYSTEM selection screen is displayed.
2
Touch [RDS].
The display changes to the RDS* mode screen.
* RDS/DAB mode screen when DAB is connected.
3
Touch [AF] to select the AF (Alternative
Frequency) ON or OFF mode.
• When the AF ON mode is selected, the unit automatically tunes to
a strong signal station in the AF list.
• Use the AF OFF mode when automatic re-tuning is not required.
4
Touch [RETURN] to return to the previous screen.
Tips
• When the unit receives the PTY31 (Emergency Broadcast)
signal, the unit will show "ALARM" in the display
• The RDS digital data includes the following:
PI Programme Identification
PS Programme Service Name
AF List of Alternative Frequencies
TP Traffic Programme
TA Traffic Announcement
PTY Programme Type
EON Enhanced Other Networks
• Refer to GENERAL Setup section (Pages 31-32) about "PI
SEEK Setting", "Receiving RDS Regional (Local) Stations"
and "Switching the Display Language of PTY (Programme
Type)".

Receiving Traffic Information

Press T.INFO/RDS to turn on the Traffic Information
mode.
When the traffic information station is tuned in, the TP indicator
lights up.
Traffic information is heard only when it is being broadcast. If
traffic information is not being broadcast, the unit is set in the
standby mode.
When a traffic information broadcast begins, the unit
automatically receives it and the display shows "Traffic Info."
When traffic information broadcast is over, the unit will
automatically set in the standby mode.
• If the traffic information broadcast signal falls below a certain
level, the unit remains in the receiving mode for 1 minute. If the
signal remains below a certain level for over 70 seconds, "TP
OFF" is displayed.
14
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• If you do not want to listen to the traffic information being
received, lightly press T.INFO/RDS to skip that traffic information
message. The T. INFO mode will remain in the ON position to
receive the next traffic information message.
• If the volume level is changed while receiving traffic information,
the changed volume level will be memorized. When traffic
information is received next time, the volume level will be
automatically adjusted to the level memorized.

PTY (Programme Type) Tuning

1
Press and hold T.INFO/RDS for at least 2 seconds
in the FM radio mode.
The display changes to the RDS Setting Screen.
2
Touch [PTY] to activate the PTY mode.
The Programme Type of the station being currently
received will be displayed.
3
Touch [;] or [:] after activating the PTY mode to
choose the desired programme type while "PTY"
(programme type) is displayed.
Each press scrolls the programme type by one.
4
Touch [PTY] after selecting the programme type to
start searching for a station of the selected
programme type.
If no station is found, "NO PTY" will be displayed.
• When the DAB Receiver Box is connected, the PTY tuning is used
in the same way.
Receiving Traffic Information While Playing
CD or Radio
The example explained here is how to receive the traffic information
broadcast during CD playback.
1 1
In the CD mode, press T.INFO/RDS to turn on the
Traffic information mode.
The unit automatically starts to search the receivable
traffic broadcasts.
When the traffic information broadcast is searched out,
the CD mode is switched to the Radio mode and the unit
receives the traffic information broadcast.
• When the traffic information broadcast starts, the unit
automatically mutes the CD.
• When the traffic information broadcast finishes, the unit
automatically returns to the original source you were
playing before the traffic information broadcast began.
• The receiver is equipped with the EON (Enhanced Other
Networks) function so if the station being received does not
broadcast the traffic information, the receiver automatically tunes
in the related station that broadcasts the traffic information.
2
When the traffic information broadcast has
finished, the unit returns to the CD mode.
• When the DAB Receiver Box is connected, another operation can
be carried out. Refer to "Setting the Announcement Select Mode"
(page 55).