With the Cifra Club Tuner it is very simple to tune your guitar! Just play a string and tighten or loosen it as indicated. Also tune your bass, cavaquinho, banjo, ukulele, violin, viola, cello or any other stringed instrument. Chromatic tuner Tighten or loosen the string until the pointer is centered and green to the desired tone. If it turns orange you should tighten it, and if it turns red you should loosen it. String to string tuner Choose the string and start the tuning process step by st