Samsung MAX-B420 用户手册

The PTY information is composed of an identification symbol,
which helps the FM radio to recognize the program type of each FM
station.
The 30 PTY modes are shown in the display by pressing the PTY
button.

Tuned to an 

station broadcasting a PTY MODE.

See the 

receiving method on the page 13.

If the received station is transmitting the RDS information, "RDS"
lights up.

Press the PTY button.

The PTY MODE(NEWS, AFFAIRS, etc) appears on the display.

Press the Tuning Mode Down or Up button to select the desired
PTY MODE.

If the station is transmitting no PTY information, '

' shows 

on the display.

When the PTY MODE is selected(The PTY MODE is shown in  the
display), press the PTY KEY once again to convert into 
PTY-SEARCH MODE and auto-search the station sequentially.

If a station is found broadcasting required PTY MODE then the
search station and the stop is selected.

If the PTY MODE isn’t found it is retuned to the original station fre-
quency at beginning the PTY SEARCH and auto-search and PTY
SEARCH are suspended.