Headlight Bell Horn Short Horn Compressor Fans Coupler Mute A value of 255 corresponds to full voltage available Additional consist acceleration (combined with CV3) Additional consist braking (combined with CV4) Function Map Option 1 eq 0 Function Map Option 1 eq 1 0 is fast, 15 is slow, 4 is recommended for start 0-15 seconds Additional braking when Fll activated (combined with CV4) Wabco E2 Wabco A2 Leslie A125 RGS Goose No.5 Nathan M3 Short Horn Wabco A2 Leslie A125 RGS Goose No.5 Nathan M3