why the autopilot is HE-AAC instead of mp3

[shryus]

Hello,

I put autopilot on a shoutcast server but instead of autopilot, play mp3 is games in HE-AAC and when you enter encoder_1 = mp3 it's no reaction

these are the settings of the autopilot

code:
PlaylistFile=/home/twojhost/public_html/panel.radiowy/playlists/autodj_8002.lst

ServerIP=

ServerPort=8002

Password=021marek021

StreamTitle=Moje_radio

StreamURL=

Genre=...:::Autodj::...

LogFile=/home/twojhost/public_html/panel.radiowy/logs/trans/8002_sc_trans.log

Shuffle=1

calendarrewrite=0

; Bitrate/SampleRate/Channels recommended values:

; 8kbps 8000/11025/1

; 16kbps 16000/11025/1

; 24kbps 24000/22050/1

; 32kbps 32000/22050/1

; 64kbps mono 64000/44100/1

; 64kbps stereo 64000/22050/2

; 96kbps stereo 96000/44100/2

; 128kbps stere0 128000/44100/2

Bitrate=128000

SampleRate=44100

Channels=2

encoder_1=mp3

bitrate_1=128000

Quality=1

CrossfadeMode=1

CrossfadeLength=8000

UseID3=1

Public=1

AIM=

ICQ=

IRC=

Please help