LG LAC-M8400R Owner's Manual page 23

If AF functions are activated:
When the reception quality drops, the tuner automatically changes
to another station in the network, broadcasting a better reception
quality, using the PI and AF codes. This mean: wherever you
drive, you can continue to listen to the same programme without
interruptions. (Refer to figure.)
Station C broadcasting
on frequency C.
Station A
broadcasting
on frequency
A.
Station B broadcasting
on frequency B.
NOTE
The same program can be received on different frequencies.
PI SEEK procedure:
If the reception quality drops too much without finding a better
quality alternative frequency from the AF list, after a while the PI
SEEK function starts (Display: 'Seek-PI'). The tuner is searching a
station of the same program not regarding the AF list, which has
the same PI code.
If such station is not available even after PI SEEK has checked
the whole FM band, PI SEEK stops.
NOTES
• The AF function may not operate correctly in areas where no alternative
station can be received.
• In reception borderland of a program chain normally no alternative
stations can be found. In this case also a high advanced RDS function
cannot help anymore, another program – of the driving area must be
selected.
• Especially in regional mode such reception borderland can be often
Station D
reached. Because of possible reduced reception quality, the regional
broadcasting
function shall be used only for driving short distances.
on frequency D.
• If the RDS station does not support AF data list or if the tuner cannot
read AF data from reception, no network tracking is possible. Switching
to alternative frequencies does not work.
RDS data for preset buttons
When a preset button is pressed, if the station with that frequency
is received with a sufficient quality, the receiver will tune to that
frequency. When the reception quality is not sufficient for good
reception, referring to its AF list, the receiver will change to a
station of the same program which is broadcasting the best
Station E broadcasting
reception quality (a station broadcasting the same program
on frequency E.
contents may not be received when "REG OFF" is selected and a
regional program is selected).
If a sufficient quality station cannot be found in the AF list, PI-seek
tuning starts automatically.
MENU Operation
23