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Setting the central frequency boosted by B.M.S.
Display Setting
"AMP Freq Normal" Boost with the normal central frequency
"AMP Freq Low" Drop the normal central frequency 20%
B.M.S. Frequency Offset
Adjust the bass boost level of the external amplifier using the
main unit.
Display Setting
"AMP Bass Flat" Bass boost level is flat.
"AMP Bass +6" Bass boost level is low (+6dB).
"AMP Bass +12" Bass boost level is mid (+12dB).
"AMP Bass +18" Bass boost level is high (+18dB).
• Refer to the catalog or instruction manual for power amplifiers that
can be controlled from this unit.
• For amplifiers there are the model that can be set from Flat to +18
dB, and the model that can be set from Flat to +12 dB.
When an amplifier is attached that can only be set to +12, even if
”AMP Bass +18” is selected it won’t operate correctly.
B.M.S. (Bass Management System)
Setting the Front channel and Rear channel sound when the
Dual Zone System is ON.
Display Setting
"Zone 2 Rear" The front is this unit's internal source, and the
rear is Auxiliary input sound.
"Zone 2 Front" The rear is this unit's internal source, and the
front is Auxiliary input sound.
Dual Zone System Setting <In Standby mode>
<When the Dual Zone System is ON >
Toggles ON or OFF the mute control on the built-in amplifier.
Turning ON this control enhances the preout quality.
Display Setting
"AMP Mute OFF" The built-in amplifier activates.
"AMP Mute ON" The built-in amplifier deactivates.
Built-in Amp Mute Setting <In Standby mode>
Setting display/don't display for the System Q factors (Bass
center frequency, Bass Q factor, Bass extend, Middle center
frequency, Middle Q factor, and Treble center frequency) in
Audio control.
Display Setting
"System Q ON" The System Q factors are displayed.
"System Q OFF" The System Q factors aren't displayed.
System Q
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Dimming this unit's display automatically when the vehicle light
switch is turned ON.
Display Setting
"Dimmer ON" The display dims.
"Dimmer OFF" The display doesn't dim.
Dimmer
Function of the KDC-Z838
KDC-Z838/Z737_U.S_r2 02.11.15 10:07 AM Page 27