0-9 for the ship horns (1-8 can be used in combos, the 0 is a recreation of the Paul R Tregurtha ship horn, the biggest on the lakes, 9 is Edmund Fitzgerald whistle) and space for the bridge horn.
- Captain Salute: One prolonged and two short blasts. - Master Salute: Three prolonged and two short blasts. - Danger Signal: Five (or more) short blasts