Ford 2006 Navigator Owner's Manual page 58

Entertainment Systems
Sound functions
To access settings for Bass, Treble, Balance, Fade, DSP (Digital Signal
Programing), SCV (Speed Compensated Volume), and Occupancy modes:
1. Press AUDIO.
2. Press SOUND.
3. Select from Bass/Treb; Bal/Fade; DSP/SCV.
4. Press +/— to increase/decrease the levels.
Bass: Allows you to increase or
decrease the audio system's bass
output.
Treble: Allows you to raise or lower
the audio system's treble output.
58
2006 Navigator (nav)
Owners Guide (post-2002-fmt)
USA (fus)