Sony CDX-C4900R, CDX-C5000R, CDX-C5000RV, CDX-C5000RX RDS, noises, Problem, Problem, possible, Cause/Solution, Cause/Solution, Radio reception, seconds of listening, PTY displays “NONE.”, Automatic tuning is not

Radio reception

Problem	Cause/Solution
Preset tuning is not possible.	•Store the correct frequency in the memory.
	•The broadcast signal is too weak.
The stations cannot be received.	Connect a power aerial control lead (blue) or accessory power
The sound is hampered by	supply lead (red) to the power supply lead of a car’s aerial
noises.	booster. (Only when your car has built-in FM/MW/LW aerial
	in the rear/side glass.)
Automatic tuning is not	The broadcast signal is too weak.
possible.	t Use manual tuning.
The “ST” indication flashes.	•Tune in the frequency accurately.
	•The broadcast signal is too weak.
	t Set to the MONO mode (page 16).

RDS

Problem	Cause/Solution
The SEEK starts after a few	The station is non-TP or has weak signal.
seconds of listening.	t Press (AF) or (TA) repeatedly until “AF-OFF” or
	“TA-OFF” appears.
No traffic announcements.	•Activate “TA.”
	•The station does not broadcast any traffic announcements
	despite being TP. t Tune to another station.
PTY displays “NONE.”	The station does not specify the programme type.

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