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Intonation (Position = I, ID = I)
When strings aren't properly intonated the octave (12
open string. With correct intonation, the octave is exactly one octave above the open
string.
Firebird X's intonation function makes intonating guitar strings easy. Each string has an
intonation screw on the part of the bridge that faces away from the pickups. Adjusting
these screws clockwise or counterclockwise adjusts the intonation; Firebird X will tell you
how many turns these screws need, and in which direction.
Notes:
You will need a small screwdriver to adjust the bridge's saddle adjustment screws.
Be careful when fretting strings. You can change a fretted string's pitch by up to 10
cents by fretting with more or less force. Also, the position where you press down
on the string affects pitch. For best results, use a consistent force and position.
During intonation Firebird X takes a little bit longer to detect pitch. This is normal,
as Firebird X switches automatically to a special high-accuracy mode.
Intonation Step-by-Step
1. Choose a tuning. For general intonation, Gibson recommends the Standard tuning.
However, using alternate tunings can affect intonation. If you want perfect intonation for
an alternate tuning, select that tuning prior to doing intonation.
2. Enter the
Red
Bank, then rotate the Gear Shift knob to the | (pin) position.
3. Push the Digital Varitone knob once.
4. Pluck the string you want to intonate.
5. When tuning is complete, the corresponding Gear Shift knob LED changes color to
yellow.
Wait for about five seconds, then fret the same string at the 12
again.
6. The system will measure the pitch, then display the needed changes on the Gear Shift
knob: If the rotating pattern is
needs to be turned clockwise. If the rotating pattern is
then the bridge intonation screw needs to be turned counterclockwise. The
in the Gear Shift knob's center shows how many half-turns the bridge's intonation
adjustment screw should be turned.
7. Turn the screw as indicated, then repeat the procedure starting at step 4. If the
corresponding string LED turns yellow, continue with the intonation procedure; if the LED
turns blue, the string is intonated properly.
8. Proceed to adjust intonation on the other strings. When all strings are intonated, the
corresponding string LEDs turn blue, and Firebird X exits intonation mode. To exit before
intonating all strings, return the silver tog-pot to its center position.
green
and goes clockwise, then the bridge intonation screw
Page 30
th
fret) is off-pitch compared to the
th
fret and pluck the string
red
and goes counter-clockwise,
green
number
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