Mode b / on/on/off/on/off, Mode c / off/off/on/on/off, Mode d / on/off/on/on/off – Gilderfluke&Co Sd-25 Audio Repeaters w/Amplifier User Manual

Page 8: Mode e / off/on/on/on/off, Mode f / on/on/on/on/off, Mode 10 / off/off/off/off/on