1999 GMC Sierra 1500 Pickup Owner's Manual - Page 170

Comfort Controls & Audio Systems AM Stereo ThismeanstheDelco@systemcanreceiveC-QUAM@stereobroadcasts. to producestereo, ManyAM stationsaroundthecountryuseC-QUAM@ thoughsomedonot.(C-QUAM@ is aregisteredtrademark of Motorola,Inc.). If yourDelco@systemcangetC-QUAM?your "STEREO" lightwillcomeon whenyou'rereceivingit. How to Operate Your AM ETWRadio I . . 2 3 4 K2186 To Play the Radio Pressthe PWR-VOL-TONE knob to switchtheradioonand does two other things: It controlsthevolume.The rotated clockwise. off. Thisknob VOL knobincreasesthevolumewhen Theknobbehindthe PWR-VOL knobisthe TONE knob. Rotatethis knobcounterclockwiseformorebassandclockwiseformoretreble. TUNE Button Presstheside of the button withthedownarrowtodecrease the radio frequencyor the side of the switch with the up arrow to increasetheradio frequency. RCL Button When theignition is off, pressthe RCL button to displaythetime.Withthe ignition in RUN or ACC, press it torecallthestationfrequencywhenthetime is showing. 3-1 0