ART Pro Audio SGX Series - Guitar Effectss Processor - Manual (Page 41)

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before attempting continued tuning. The most accurate tuning will be obtained by
adjusting the string after it has "sung" for some time while dying out.
If insufficient audio level prevents the unit from making measurements the LED
window will look like Display 1 .
When you are more than a half step (100 cents) sharp or flat the LED window will
look like Display 2 or 3.
Within 100 cents of the correct pitch, the LED window displays the number of
cents sharp or flat in the rightmost 2 digits. See Display 4 and 5.
When you are within 2 cents (sharp or flat) of the correct pitch, your LED window
will look like Display 6. The two digits may be 00, 01, or 02 and you'll be in
tune. As long as the is displayed, you're in tune.
DISPLAY 1:
INSUFFICIENT INPUT SIGNAL
DISPLAY 2: MORE THAN A HALF STEP SHARP
DISPLAY 3:
MORE THAN A HALF STEP FLAT
DISPLAY 4: SHARP 20 CENTS
DISPLAY 5: FLAT 20 CENTS
DISPLAY 6: IN TUNE