Rane TTM57mkII, Руководство пользователя

Страница: 9 / 36

OWNER’S MANUAL
9
TTM57mkII
Quick Start: Operation
Calibrating Serato DJ for Control Vinyl or CD
Since Serato DJ is controlled by an analog signal, there is no guarantee of what state that signal will be in
by the time the software gets to interpret it. Therefore, Serato DJ needs to be able to handle a wide range
of signals, and be configurable to use them optimally. Calibrating is just configuring the software to your
situation. Calibration is equally important for both vinyl and CD users of Serato DJ.
There are two parts to the Serato DJ Control Vinyl: The directional tone, and the NoiseMap™. Listening
to the control vinyl, the directional tone is the 1 kHz tone. The noise map sounds like random noise over
the top of the tone. The directional tone provides the current speed and direction of the record, while the
noise map tells the software precisely where on the record the needle is currently.
The Noise Sensitivity slider lets you adjust the noise threshold. A threshold is a lower limit, below which
a process will not occur. In the case of Serato DJ, the noise threshold is the limit below which the input
signal will not be interpreted as control signal; in other words if it’s below the threshold, it is considered
noise and ignored.
This setting is necessary because a stylus is very sensitive, and will inevitably pick up noise from the
environment as well as the signal on the record, especially in the noisy environment of a live show.
How To Calibrate Serato DJ
With music playing in the background through your system or booth output, put your needle on the record
with the turntable stopped. If you are using CD players, the same rules apply. Have the CD deck paused
or stopped while calibrating.
Click and hold the estimate button until the slider stops moving. Moving the Noise Sensitivity slider
to the left will make Serato DJ more sensitive to slow record movement, but also more sensitive to
background noise.
Repeat the process for each deck.
Things to remember:
• Your needle must be on the record.
• Your turntable (or CD player) must be stationary.
• The background music playing must be at a similar level to which
you will play your set at.
• Calibrate Serato DJ every time you play.
TIP: If the slider jumps to the far right, then you have a problem
with noise in your turntables/CD players/mixer. Check all your
connections and make sure your equipment is well earthed. In some
situations you will not be able to improve the signal quality, and you
will have to play on regardless. In this situation, stick to
rel
mode.
The Scopes
The scopes on the setup screen in Serato DJ display the input signal as a phase diagram. The key factors
to look at on the scope display are crisp clean lines, round shape, and the tracking percentage in the
lower right corner.
Start both turntables or CD players. You will see green rings appear in the scope view, as shown above.
For optimal performance the inner ring should be as close to circular as possible. Use the scope Zoom
slider to fill the view. Use the scope L/R balance and P/A balance controls to adjust the shape of the inner
ring. The number in the top left corner of the scope view gives the current absolute position within the
control record or CD. The number in the top right corner is the current speed in RPM. In the bottom left is
the current threshold setting, and the number in the bottom right shows the percentage of readable signal
– this number should be close to 85% when your system is calibrated properly.
For complete software operating instructions, see the Serato DJ Manual.