Sony XR-3100R Operating Instructions Manual page 26

Radio reception
Problem
Preset tuning is not possible.
Automatic tuning is not
possible.
The stations cannot be
received.
The sound is hampered by
noises.
The "ST" indication flashes.
RDS
Problem
The SEEK starts after a few
seconds of listening.
No traffic announcements.
PTY displays "NONE."
CD/MD playback (XR-C33R only)
Problem
The sound skips.
Cannot turn off the "--------"
indication.
26
Cause/Solution
• Memorise the correct frequency.
• The broadcast signal is too weak.
The broadcast signal is too weak.
n Use manual tuning.
Connect an power aerial control lead (blue) or accessory power
supply lead (red) to the power supply lead of a car's aerial
booster.
(When your car has built-in FM/MW/LW aerial in the rear/
side glass only.)
•Tune in the frequency accurately.
•The broadcast signal is too weak.
n Set to MONO mode (page 11).
Cause/Solution
The station is non-TP or has a weak signal.
n Press (AF/TA) repeatedly until "AF TA-OFF" appears.
•Activate "TA."
•The station does not broadcast any traffic announcements
despite being TP.
n Tune to another station.
The station does not specify the programme type.
Cause/Solution
A dirty or defective disc.
You cannot labell MDs unless you connect a CD unit with the
custom file function.
n Press (PTY) for two seconds.