User manual
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  It switches over to the AF for a short time, and the AF icon is light on screen(not
 flash).
* In FM mode, when switching on AF mode, the radio auto searches for or preset
 only those RDS stations. 
* In FM mode, when switching on AF and TA modes, the radio auto searches for
 only those RDS stations broadcasting traffic announcement.
10. REGION mode
 use the RDS interface of the SETTINGS MENU or the SEL and VOL buttons to set 
 REGION mode on or off.
 In REGION on mode, when switching on AF mode, the radio can’t switch over to 
 those AF stations which have a different regional program content.
 In REGION off mode, when switching on AF mode, the radio can switch over to 
 those AF stations which have a different regional program content.
11. PI mode
 use the RDS interface of the SETTINGS MENU or the SEL and VOL buttons to set 
 PI SOUND or PI MUTE mode.
 In PI SOUND mode, when switching on AF mode, if a car cruises that critical area 
 back and forth, an oscillation phenomenon can be occurred, because the different 
 PI code can be receive from a same AF. when the different PI sound (DIP) is heard 
 once in a while, the different PI sound will be heard for less than 1 second. 
 In PI MUTE mode, when switching on AF mode and under above same situation, 
 a mute sound will be heard for less than 1 second.
12. To automatically search for traffic announcements (TA)
   In any mode, use the RDS interface of the SETTINGS MENU or SEL and VOL buttons 
 to set TA mode on or press TA/AF button on control panel or long press TA button on 
 remote control to switch on TA mode, then TA: ON will display on screen for a while 
 and begin to search for those RDS radio stations transmitting traffic announcement.
 When an RDS radio station transmits traffic announcement and is received by the
 radio, temporarily switch the current work source to an RDS radio station broad-
 casting traffic announcement, and TRAFFIC will be displayed on screen.
 When the traffic announcement is over, it will return back to previous work source. 










