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KDC-BT7539U
Appendix
• AMP
Selecting “OFF” turns off the built-in amplifier.
Turning off the built-in amplifier improves the
quality of the sound from Preout.
• Zone2 (Dual Zone)
Set the destination (front speaker “Front” or rear
speaker “Rear”) of the sub source (AUX IN) when the
Dual Zone function is turned on.
• Supreme
Technology to extrapolate and supplement with
proprietary algorithm, the high-frequency range
that is cut off when encoding at low bit rate (less
than 128Kbps, Sampling frequency is 44.1kHz).
Supplementing is optimized by compression
format (AAC, MP3 or WMA) and processed
according to bit rate.
The effect is negligible with music that is encoded
at high bit rate, variable bit rate or has minimal high
frequency range.
• Chinese (Chinese language setting)
When this is set to ON, the following character
strings are displayed in Chinese:
Folder name/ File name/ Song title/ Artist name/
Album name/ Phonebook/ Short message
• CD Read
Sets the method for reading CD.
When unable to play special format CD, set this
function to “2” to force playing. Note that some
music CD may be unplayable even when set to “2”.
In addition, audio files cannot be played when set
to “2”. Normally, keep this set to “1”.
1 : Automatically distinguishes between audio file
disc and music CD when playing disc.
2 : Forces playing as music CD.
The marking of products using lasers
(Except for some areas)
CLASS 1
LASER PRODUCT
The label is attached to the chassis/case and says
that the component uses laser beams that have been
classified as Class 1. It means that the unit is utilizing
laser beams that are of a weaker class. There is no
danger of hazardous radiation outside the unit.
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