1993 GMC Suburban Owner's Manual - Page 158

t systemhasbeendesignedtooperateeasilyandgive it, if years of listeningpleasure.Butyouwillgetthemostenjoymentoutof you acquaintyourselfwith it first.FindoutwhatyourDelco@systemcando its controls, to besureyou'regettingthemostout of andhowtooperateall theadvancedengineeringthatwentintoit. Hearingdamagefromloudnoiseisalmostundetectableuntilitistoo late. Yourhearingcanadapttohighervolumes of sound.Soundthat seemsnormalcanbeloudandharmful to yourhearing.Take precautionsbyadjustingthevolumecontrolon your radiotoasafe to it. soundlevelbeforehearingadapts To helpavoidhearing loss ordamage: e Adjustthevolumecontroltothelowestsetting. * Increasevolume slowly untilyouhearcomfortablyandclearly. Before you add any sound equipment t~ your vehicle-like a tape player; CB radio, mobile telephone or .two-way raciio-be sure you can add what you want. If youcan, it's very important to do. it property. Added sound equipment may interfere with the operation of your vehicle's engine, Deico'2 radio or othersystems, and even damage them. And, your vehicle's systems may interfere with the operation of sound equipment that, hasbeenaddedimproperly. So, beforeaddingsoundequipment, check with your dealer. Be suretocheck Federal rules covering mobile radio and telephone units. ~~~~ ~ F4 A stereo FM stereo will giveyouthebestsound.But FM signalswillreachonlyabout 10 to 40 miles (16 to 65 km).And, tall buildings or hills can interfere with FM signals,causingthesoundtocomeandgo. AM Therange for most AM stationsisgreaterthanfor FM, especiallyatnight. Thelongerrange,however,cancausestationstointerferewitheachother. AM can pick up noisefromthingslikeelectricalstormsandpowerlines. If thenoiseinterfereswithyourlistening,tryreducingthetrebletolessenthe noise. 3-1 2