ok, here is the precise sequence: (LED's listed are ON in that step.) Power on: 1: FLT 2: RUN, FLT, BATT, FORCE, DH+ (green), RS232 3: FLT 4: DH+ (yellow) 5: DH+ (green) 6: DH+ (red) 7: RUN, FLT, BATT, FORCE, DH+ (green), RS232 8: DH+ (yellow) 9: RUN, FLT, BATT, FORCE, DH+ (green), RS232 10: pause 11: goto 3 M