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Menu system
In Audio file source
Supreme Setting
When AAC, MP3 or WMA files encoded at a low bit
rate (less than 96kbps (fs=44.1k, 48kHz)) are played,
this function restores their high frequency region
to approach the sound quality of equivalents of
these files encoded at a high bit rate. Processing is
optimized for the compression format used (AAC,
MP3, or WMA), and adjustment is made for the bit
rate used.
Display Setting
"SPRM ON" Plays sound using the Supreme function.
"SPRM OFF" Plays the original sound stored in the audio file.
⁄
• The sound effect may be imperceptible depending
on the relationship between the audio file format and
setting.
• This function is not available on iPod.
In FM reception
CRSC (Clean Reception System Circuit)
Temporarily have reception alternate 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.
In HD Radio mode
Receive Mode Setting
Sets the receive mode.
1 Select the Receive mode
Push the Control knob towards up or down.
Select the "HDR MODE" display.
2 Enter Receive mode
Press the Control knob for at least 1 second.
3 Set the Receive mode
Push the Control knob towards up or down.
Each time you push the knob, the Receive mode
alternates between the modes shown in the table
below.
Receive mode Display Operation
Auto mode "AUTO"
Analog broadcasts and digital
broadcasts will be switched
automatically.
When both are being transmitted,
the digital broadcast will have
priority.
Digital "DIGITAL" Digital broadcasts only.
Analog "ANALOG" Analog broadcasts only.
4 Exit Receive mode
Press the [MENU] button.
⁄
• Even if the Receive mode is set to "AUTO", when the Ball
game mode program (non-delayed broadcast program)
is received, the Receive mode will automatically switch
to Analog broadcast only.
Function of KDC-X491
Other than Standby mode/
When the Dual Zone System is ON
Dual Zone System Setting
Setting the Front channel and Rear channel sound
in the Dual Zone System.
Display Setting
"ZONE2 R" Sub source (Auxiliary input source) is to be rear
channel.
"ZONE2 F" Sub source (Auxiliary input source) is to be front
channel.