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98 Chapter 8 Metering
Tuner
You can tune both acoustic and electric musical instruments connected to your system
using the Tuner. Tuning your instruments ensures that your recordings will be in tune
with any software instruments, existing samples, or existing recordings in your projects.
Tuner Parameters
 Graphic tuning display: As you play, the pitch of the note appears in the semicircular
area, centered around the Keynote. If the highlight bar moves to the left of center,
the note is flat; if the highlight bar moves to the right of center, the note is sharp. The
numbers around the edge of the display show the variance, in cents, from the target
pitch.
 Keynote/Octave display: The upper Keynote area shows the target pitch of the note
you play (the closest pitch in tune). The lower Octave area indicates which octave the
note belongs to. This matches the MIDI octave scale, with the C above middle C
displayed as C4, and middle C displayed as C3.
 Tuning Adjustment knob and field: Sets the pitch of the note used as the basis for
tuning. By default, the Tuner is set to concert pitch A = 440 Hz. Drag the knob left to
lower the pitch corresponding to A, or drag the knob right to raise the pitch
corresponding to A. The current value is displayed in the field.
Using the Tuner
Using the Tuner is simple. With your instrument (or microphone capturing the sound of
an acoustic instrument) connected to the channel with the Tuner, play a single note
and watch the display. If the note is flat of the Keynote, the segments left of center
light, showing how far (in cents) the note is off pitch. If the note is sharp, the midpoint
segments right of center light. Adjust the tuning of your instrument until the center
segment lights (red).
On the tuning display, the range is marked in single semitone steps ±6 cents close to
the center, and then in larger increments to a maximum of ±50 cents.