Hummer 2007 H2 Owner's Manual page 259

Setting the Tone
(Bass/Midrange/Treble)
AUDIO: Push and release the AUDIO knob until
BASS, MID (midrange), or TREB (treble)
displays. Turn the knob to increase or to decrease
the tone. The display shows the bass, midrange,
or treble level. If a station is weak or has
static, decrease the treble.
To adjust the bass, midrange, or treble to the
middle position while it is displayed, push and hold
the AUDIO knob. The radio beeps once and
adjusts the display level to the middle position.
To adjust all tone and speaker controls to
the middle position, push and hold the AUDIO
knob when no tone or speaker controls display.
ALL CENTERED displays and a beep sounds.
AUTO EQ (Automatic Equalization): Press this
button to select customized equalization settings
designed for custom or talk.
The radio saves separate AUTO EQ settings for
each preset and source.
Adjusting the Speakers (Balance/Fade)
AUDIO: To adjust the balance between the
right and the left speakers, push and release the
AUDIO knob until BAL (balance) displays.
Turn the knob to move the sound toward the right
or the left speakers.
To adjust the fade between the front and rear
speakers, push and release the AUDIO knob until
FAD (fade) displays. Turn the knob to move
the sound toward the front or the rear speakers.
To adjust the balance or fade to the middle
position while it is displayed, push and hold the
AUDIO knob. The radio beeps once and adjusts
the display level to the middle position.
To adjust all tone and speaker controls to the
middle position, push and hold the AUDIO knob
when no tone or speaker controls display.
ALL CENTERED displays and a beep sounds.
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