Owner`s manual

20
Audio Technologies
Zero-Bit Detector Mute
Clarion CD Players feature a zero-bit detection
mute circuit. This circuit turns off (mutes) both the
line-level and speaker-level outputs when it does
not see a digital signal for 750 milliseconds. Since
a digital signal consists of “one” and “zero” bits,
the zero-bit detector will turn off the analog audio
input signal to the preamp section when it sees a
series of zero bits. The purpose of this circuit is to
eliminate tracking noise or background noise that
is typically associated with the decoding of the
digital signal to its final analog form.
The zero-bit detector mutes the preamplifier
analog outputs after a series of zero bits exceeds
750-ms. Audio is restored after a period of one
and zero bits is longer than 57 µs.
CEA-2006 Ratings
All new Clarion amplified products have been
rated using the CEA-2006 specification. This
specification was created to allow power
production numbers to be compared between
one brand and another without concern for
measurement type.
The CEA-2006 specification states that power
measured using this format will be constant
through the entire specified audio bandwidth
range. The power measurement will be taken with
14.4V being supplied and the distortion from the
output signal can't exceed 1%.
Just as with the power ratings, Signal to Noise
(S/N Ratio) measurements will follow similar
guidelines. The S/N Ratio measurement will be
taken at a power level of 1W into a 4 Ohm load.
This means that all device measurements will
be comparable, no matter how much power the
product produces.
MOSFET Power IC
The MOSFET Power IC is smaller and more
efficient than previous amplifier designs. MOSFET
amplifiers are capable of producing more power
because the output voltage can be switched
closer to the rail voltage. In a head unit, with
only 12V of power being supplied from the cars
electrical system, this is critically important to
maximizing amplification capabilities.
The solid horizontal lines denote the positive and
negative amplifier power supply rail voltage.
The smaller sine wave shows the maximum
undistorted output from a standard bipolar output
transistor.
The larger sine wave shows the maximum
undistorted output from a MOSFET output
device.The net result - more voltage means more
power.
Message Info
Personalization is always on our minds - we want
the right clothes, the right car and the right music
to match our personal style. Clarion knows this,
and has included the Message Info option as one
of the screen savers on our source units. Users
can enter a message, up to 30 characters in
length, and have it scroll across the screen.
Instant Station Recall (ISR)
Getting to where you want to go should always
be as easy as simply pressing a button. When it
comes to your favorite radio station, ISR has you
covered. Tune in your favorite radio station, then
press and hold the ISR button. You can choose
AM or FM - it doesn't care. Now, any time you
want, no matter what source you are listening
to, a simple tap of the ISR will return you the
programmed radio station.
This is a great feature to use on all-news radio
stations when you want up-to-the-minute traffic
reports.
Digital Data Stream 011011011011010000000000000000000000001010101001
R Channel Preamp
750 ms
57 µs
TRIGGER
ON
ANALOG
OFF
TRIGGER
OFF