Sony MDX-M690 User Manual download pdf (Page 40)

40

The stations cannot be received.

The sound is hampered by noises.

• Connect a power aerial control lead (blue) or

accessory power supply lead (red) to the

power supply lead of a car’s aerial booster.

(Only when your car has built-in FM/MW/

LW aerial in the rear/side glass.)

• Check the connection of the car aerial.

• The auto aerial will not go up.

t Check the connection of the power aerial

control lead.

• Check the frequency.

• When the DSO mode is on, the sound is

sometimes hampered by noises.

t Set the DSO mode to off (page 27)

(CDX-M770), (page 27) (CDX-M670,

MDX-M690).

Automatic tuning is not possible.

• The local seek mode is set to “on.”

t Set the local seek mode to “off” (page

34).

• The broadcast signal is too weak.

t Perform manual tuning.

The “ST” indication flashes.

• Tune in the frequency accurately.

• The broadcast signal is too weak.

t Set to the monaural reception mode (page

34).

A programme broadcast in stereo is heard

in monaural.

• The unit is in monaural reception mode.

t Cancel monaural reception mode (page

34).

RDS

The Seek starts after a few seconds of

listening.

The station is non-TP or has weak signal.

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 in another station.

PTY displays “--------.”

• The current station is not an RDS station.

• RDS data has not been received.

• The station does not specify the programme

type.

DSP functions (CDX-M770 only)

No sound, or sound is too low.

The volume of the speakers may have been

automatically lowered in order to maximize

the effect of the listening position adjustment.

t Press < or , to adjust the balance. The

speaker balance can be set separately for

DSP on mode and DSP off mode (page 29).

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