SFX_1f_47_Ch1: ; 7c518 (1f:4518)
duty 2
unknownsfx0x20 4, 240, 0, 7
unknownsfx0x20 4, 0, 0, 0
unknownsfx0x20 1, 0, 0, 0
endchannel
; 0x7c52b