1997 Mercury Grand Marquis Owner Guide 1st Printing - Page 60
1997 Mercury Grand Marquis Manual
Page 60 highlights
Adjusting the tone balance and speaker output of your radio u Increasing or decreasing bass response Press the top c of the "BASS" button to increase bass; press the bottom d of the "BASS" button to decrease bass. u Increasing or decreasing treble response Press the top c of the "TREBLE" button to increase treble; press the bottom d of the treble button to decrease treble. u Adjusting speaker balance Balance control allows you to adjust the sound distribution between the right and left speakers. Press the top c of the "BAL" button to shift the sound to the right speakers, and press the bottom d of the "BAL" button to shift the sound to the left speakers. u Adjusting speaker fader Fade control allows you to adjust the sound distribution between the front and rear speakers. Press the top c of the "FADE" button to shift the sound to the front speakers, and press the bottom d of the "FADE" button to shift the sound to the back speakers. NOTE: Illuminated bars in the display show relative levels of bass and treble, and positions of speaker balance and fader functions (left to right, front to rear). 58