![I bought this guitar tuner, and i was wondering what these little letters mean, the letter changes whenever i press the orange button (the letters are C-G-B-V-U). I was also wondering can I bought this guitar tuner, and i was wondering what these little letters mean, the letter changes whenever i press the orange button (the letters are C-G-B-V-U). I was also wondering can](https://i.redd.it/65jfe08fqiy61.jpg)
I bought this guitar tuner, and i was wondering what these little letters mean, the letter changes whenever i press the orange button (the letters are C-G-B-V-U). I was also wondering can
![Amazon.com: BROTOU Guitar Tuner Clip On with Guitar Capo for Guitar, Bass, Violin, Ukulele, Digital Electronic Tuner Acoustic Guitar Accessories with LCD Display : Musical Instruments Amazon.com: BROTOU Guitar Tuner Clip On with Guitar Capo for Guitar, Bass, Violin, Ukulele, Digital Electronic Tuner Acoustic Guitar Accessories with LCD Display : Musical Instruments](https://m.media-amazon.com/images/I/71TGETg3P3L.jpg)
Amazon.com: BROTOU Guitar Tuner Clip On with Guitar Capo for Guitar, Bass, Violin, Ukulele, Digital Electronic Tuner Acoustic Guitar Accessories with LCD Display : Musical Instruments
![Ranch Guitar Tuner Clip On Professional for Acoustic/Electric Guitar Ukulele Classical Black Violin Bass Banjo & Chromatic Tuning Modes Find new online shopping Newest and best here Official online store Ranch Guitar Tuner Clip On Professional for Acoustic/Electric Guitar Ukulele Classical Black Violin Bass Banjo & Chromatic Tuning Modes Find new online shopping Newest and best here Official online store](https://images-cdn.ubuy.co.id/7AFPYEP2-kliq-ubertuner-professional-clip-on.jpg)
Ranch Guitar Tuner Clip On Professional for Acoustic/Electric Guitar Ukulele Classical Black Violin Bass Banjo & Chromatic Tuning Modes Find new online shopping Newest and best here Official online store
![Amazon.com: Guitar Tuner Clip on Ukulele Violin Tuner - Chromatic Tuner for Bass Electric Acoustic Guitar Tuner : Musical Instruments Amazon.com: Guitar Tuner Clip on Ukulele Violin Tuner - Chromatic Tuner for Bass Electric Acoustic Guitar Tuner : Musical Instruments](https://m.media-amazon.com/images/I/71ot9bkWmVL._AC_UF894,1000_QL80_.jpg)