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MPA6611X
7
MID-CFQ (Middle Center Frequency)
To adjust the Middle Center Frequency, press the volume control until “MID-CFQ” appears in
the display. Rotate the control to select one of the following Middle Center Frequency options:
500Hz, 1KHz, 1.5KHz, 2.5KHz.
MIDDLE-Q (Middle Quality Factor)
To adjust the Middle Quality Factor, press the volume control until “MIDDLE-Q” appears in the
display. Rotate the control to select one of the following Middle Quality Factor options: 2N, 1N,
1W, 2W. The following chart depicts the curve characteristics for each step.
TREBLE
To adjust the treble level from “-6” to “+6”, press the volume control until “TREBLE” appears in
the display. Rotate the control clockwise to increase or counter-clockwise to decrease the
treble. “0” represents a flat response.
TRE-CFQ (Treble Center Frequency)
To adjust the Treble Center Frequency, press the volume control until “TRE-CFQ” appears in
the display. Rotate the control to select one of the following Treble Center Frequency options:
10KHz, 12.5KHz, 15KHz, 17.5KHz.
BALANCE
To adjust the balance from “L12” (full left) to ”R12” (full right), press the volume control until
“BAL” appears in the display. Rotate the control clockwise or counter-clockwise to adjust the
balance between the left and right speakers. “C00” represents a center balance.
FADER
To adjust the fader from “F12” (full front) to “R12” (full rear), press the volume control and rotate
it clockwise or counter-clockwise to adjust the fader between the front and rear speakers.
“C00” represents an equal balance between the front and rear speakers.
iX-Bass
Press iX-BASS (20) to activate the iX-BASS feature. When listening to music at low volume
levels, this feature will boost the bass and treble ranges to compensate for the characteristics
of human hearing. When this feature is activated, “iX-BASS On” will appear in the display.
Press iX-BASS again to select “iX-BASS Off”. The XBS icon will appear and remain in the
display when the iX-BASS feature is activated.
Equalizer Selector
The equalizer function applies preset sound effects to the unit’s audio output signal. Press
IEQ5 (6) to step through the following equalizer options: “Pop”, “Jazz”, “Classic”, “Beat”,
“Rock”, and “Off”. The equalizer options appear in the display as they are accessed.
When the equalizer function is activated, the most recently selected bass/treble levels cannot
be adjusted. When the equalizer function is not active, the unit will return to the most recently
selected bass and treble levels.
Liquid Crystal Display (LCD)
The liquid crystal display (LCD) panel (8) displays the frequency, time and activated functions
of the unit, including a combination audio level/disc indicator, which appears as dual disc icons
with circular bar graphs depicting the audio signal. In addition, the display contains a receive
signal indicator that depicts the relative strength of the incoming broadcast frequency.
NOTE: LCD panels may take longer to respond when subjected to cold temperatures for
an extended period of time. In addition, the visibility of the numbers on the LCD may
decrease slightly. The LCD display will return to normal when the temperature increases
to a normal range.
Display Options
Press DISPLAY/MENU (7) to navigate through the following options:
• Tuner: FREQ > Spectrum
• CDP/MP3/WMA: Elapsed Time > Spectrum
• XM mode: Channel Name > Spectrum
NOTE: You can press the DISPLAY/MENU button to view the clock when the ignition is
off.
Menu Operation
A second function of the DISPLAY / MENU button (7) is to access a menu of radio options.
Press DISPLAY / MENU for more than three seconds to access the menu. “Menu” will appear
in the display. Navigate the menu by pressing DISPLAY / MENU momentarily to move forward
to the next option. The menu can also be navigated by using the UP TUNING (10) or DOWN
Middle Quality Factor Curve Characteristics