We also have electronic tuners to tune to.
In music,an electronic tuner is a device used by musicians to detect and display the pitch of notes played on musical instruments.
Most low- and mid-priced electronic tuners only allow tuning to an equal temperament scale.
Despite this tradition for tuning by ear, electronic tuners are still widely used in classical music.
As well, other brass or woodwind players may use electronic tuners to ensure that their instruments are correctly tuned.
Forks have traditionally been used to tune musical instruments, although electronic tuners are replacing them in many applications.
Thus even if an electronic tuner indicates that a guitar is 100% "in tune", it may still need a few minor adjustments by ear.
Some manufacturers suggest to tune at the third or fifth fret using electronic tuners.
Ovation also pioneered with electronics, such as pickup systems and electronic tuners.
Cellists may use electronic tuners to tune the instrument prior to a performance.