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In Standby mode
Built-in Amp Mute Setting
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.
Function of the KDC-X979/KDC-X879
B.M.S. (Bass Management System)
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 that can only be set to +12 is
connected to the unit, "AMP Bass: +18" won’t work
correctly even if it’s selected.
Function of the KDC-X979/KDC-X879
B.M.S. Frequency Offset
Setting the central frequency boosted by B.M.S.
Display Setting
"AMP FRQ: Normal" Boost with the normal central frequency.
"AMP FRQ: Low" Drop the normal central frequency 20%.
In FM reception
CRSC (Clean Reception System
Circuit)
Temporarily have reception switched from
stereo to mono to reduce multi-path noise when
listening to the FM station.
Display Setting
"CRSC: ON" The CRSC is ON.
"CRSC: OFF" The CRSC is OFF.
• Strong electrical fields (such as from power lines) may
cause unstable sound quality when CRSC is turned
ON. In such a situation, turn it OFF.
Traffic Information
Switching to traffic information automatically
when a traffic bulletin starts even when you aren’t
listening to the radio.
Display Setting
"TI: ON" The Traffic Information function is ON.
"TI: OFF" The Traffic Information function is OFF.
When a traffic bulletin starts, "Traffic Info"/
"Announcement" is displayed it and it switches to
traffic information.
• During reception of an AM station when the Traffic
Information function is turned ON it switches to an
FM station.
• During reception of traffic information the adjusted
volume is automatically remembered, and the next
time it switches to traffic information it’s automatically
the remembered volume.
Receiving other traffic information stations
(In tuner source)
Press the [4] or [¢] button.
• Traffic information station switching can be done
when listening to the radio.