6Using Richness and Adaptive FeaturesThe Richness and Adaptive Buttons allow the unit to be customized to suitpersonal preference and each situation. You might prefer a quiet, steadysound and use Manual Mode, especially if there is little noise, or steadynoise, in your environment. However, you might need the additional maskingthat Adaptive Mode provides or prefer a more lively sound mix created bythe higher levels of Richness. Experiment to find the settings you like best.Note: When setting the volume in Adaptive Mode you are setting themaximum volume it can reach when it detects a loud noise. Turn it up!Activity/Environment – Starting Points Adaptive RichnessSleeping, quiet room, sensitive sleepers Off Off-LowSleeping, noisy room, average sleepers On Off-LowSleeping, noisy room, good sleepers On Med-HighReading or Studying, quiet room Off LowReading or Studying, noisy room On Med-HighUsed as background sound for entertainment Off HighUsed for speech privacy On HighUseful FeaturesSleep TimerTurning On nomad with the Power Button results in continuous play, untilthe Sleep Timer is turned on. In Internal Audio mode the Sleep Timer setsnomad to play for some number of minutes and then gradually shut Off.In External Audio mode the Sleep Timer becomes a “two-stage” timer. TheSleep Timer can shut Off nomad gradually or switch to Internal Audio Modewhen it expires. nomad can play music for a while, then automatically switchto your favorite SoundStory; either all night or for 30 or 60 minutes. TheRichness Button in External Audio Mode sets the Timer Mode (see page 7).For example, if you are listening to music in External Audio Mode and setthe Timer to 90 minutes, with the Timer Mode set to “01” (right Richness lightis on), nomad will play your music for 90 minutes. It will then slowly rampdown the music and switch to Internal Mode, slowly ramping up and playingwhatever SoundStory you have selected, for 30 minutes. After that, nomadwill gradually go Off. See Table (“nomad Behavior When Timer Expires“) atthe top of page 7 for a listing of the various two-stage Sleep Timer options.Sleep TimerButtonThe Sleep Timer can be set to 30, 60 or 90 minutes. Press theTimer Button to select the desired interval. No lights means thatthe unit will play until you turn it Off. (Both lights lit => 90 minutes)