A tuner!
A pitch pipe.
Your ears
Planet waves has this tuner called the SOS tuner which helps you tune using 2 small red LED's
To achieve standard tuning for an electric guitar, follow these steps: Start with the thickest string (the low E string) and tune it to E. Tune the A string to A. Tune the D string to D. Tune the G string to G. Tune the B string to B. Tune the thinnest string (the high E string) to E. Use a tuner or a reference pitch to ensure each string is in tune.
To properly tune a 6 string acoustic guitar, use a tuner to adjust each string to the correct pitch. Start with the low E string and tune it to E, then move to the A string, D string, G string, B string, and high E string. Make sure each string is in tune before playing.
To properly tune your guitar, use a tuner or a tuning app to adjust each string to the correct pitch. Start with the low E string and tune it to E, then move to the A string, D string, G string, B string, and high E string. Make small adjustments until each string is in tune.
The instruments were tuned to the Oboe which could keep the tune up and not like the string instruments which got out of tune. Remember the Baroque orchestra did not have standardization.
To effectively use the Snark Tuner for your musical instruments, simply clip the tuner onto the headstock of your instrument, pluck a string, and adjust the tuning pegs until the tuner displays the correct note. Repeat this process for each string until all are in tune.
u can use a piano/keybord to tune a guitar
To tune a six-string guitar, use a tuner or tune by ear using the notes EADGBE from the thickest to thinnest string. Adjust the tuning pegs until each string matches the correct pitch.
A Guitar Tuner... You can use the E key on a piano/harmonica/etc to tune the lowest and highest strings. Then you put your finger on the 5th fret of the thickest string/E string. Play that note and the next string open. Tune the fifth string to sound like the 5th fret of the sixth string. Do that for the next 3 strings until you get to the 2nd thinnest string/B string. That time use the fourth fret of the string before it. Then tune the highest string to sound like the lowest string in a different octave. You can also use harmonics.
To tune the open A string on a guitar, use a tuner to adjust the string until it reaches the pitch of A. Turn the tuning peg either clockwise or counterclockwise to tighten or loosen the string until the tuner indicates that it is in tune.
To tune the 1st string on a guitar, also known as the high E string, use a tuner to adjust the pitch until it matches the note E. Turn the tuning peg to tighten or loosen the string until it is in tune.
To effectively use a Snark tuner for tuning your musical instruments, simply clip the tuner onto the instrument's headstock or body, pluck a string, and adjust the tuning pegs until the tuner displays the correct pitch. Repeat this process for each string until all are in tune.
The best way to tune the low E string on a guitar is to use an electronic tuner or a tuning app on your phone. Make sure the string is tightened or loosened until the tuner shows that the string is in tune.