TimeCode Mode index (debug) The current supported timecode modes are: TCM_OFF 0 TCM_CPU 1 TCM_ZTC 2 TCM_SDN 3 TCM_SMS 4 TCM_DTL 5 TCM_IRB 6 TCM_SDD 7 TCM_ICE 8 TCM_VRT 9 TCM_FILE 10 TCM_STC 12