Linear Slow increase at slow speed Fast increase at slow speed Normal Headlights Off / Dim / Bright Cycle Rule 17 Ditch light Gyra light Mars light Prime strato light Single strobe light Double strobe light On off Ditch light Gyra light Mars light Prime strato light Single strobe light Double strobe light On off Auto notch - RPM and notch synchro to speed Manual notch - notch down/up with F8/F9 Type 1 Type 2 MRC