... previous volume when mode is changed6. Twenty steps of light intensity, memory will recall the previous intensity when ... Seven steps of timer, related to sound, volume and light, used for Auto-Off or Auto-On function (OFF ... ,60,75,90 minutes), when timer end, the light, alarm/sound, volume will be off or on gradually9 ... will keep the previous setting (time/calendar/volume/light/LCD) Sunrise wakeup light