"Do you love your guitar?"TN-1G detect the pitch of notes that picked up by microphone, and it displays the difference from correct pitch. It's easy to use, but high-precision high-performance, and supports alternative tuning to more than 40.Currently, you can tuning guitar, Standard, Half Step Down, Full Step Down, 1&1/2 Steps Down, Drop-D, Double Drop-D, Drop-G, Drop-C, Drop-C&G, Drop-C(another set), Open D, Open E, Open E7, Open Dm, Open Em, Open Em7, Open Dmaj7, Open Dadd9, Open G, Open A, Open A(another set), Open Gm, Open Am, Open Am7, Open G7, Open Gmaj7, G6, Dsus(DADGAD), Open C, C6, Open F, F6, Taro Patch, G Wahine, Leonard's C, C Major(Atta's C), Keola's C, Mauna Loa, Old Mauna Loa, Dmaj7 Wahine, F Wahine, Double Slack F, Modal G(Gsus), Open C, Open C#, Open Cm, C Spanish and Perfect 4th.You can change reference pitch-A between 438Hz and 445Hz.TN-1G has a tuning fork that emits a pitch corresponding to each strings.To make sound, please tap the image of the tuning fork. By tapping again, you can stop it.If the meter make a jerky movement, please try twang harmonics(flageolet tones) on 12th-fret. May result in smooth movement.TN-1G will support tuning of your guitar, until the day you hire a instrumental technician.NOTE.Octave higher from target pitch, and in pitch of octave lower, TN-1G was made needle to point to 0. From this, TN-1G displaying "too high", and pitch of your guitar is further increased, the meter will be displays as "too low".For this reason, you wind up the string, is very dangerous that break a string, even if meter displayed as "too low". If you're a guitar beginner, then it is necessary that people who can well to tuning your guitar. Please use TN-1G only to fine-tune.Volume of tuning fork is divided by notes. This is to be attributed to the characteristics of speaker of the device. Please adjust it by volume button.This app has been made to detect the pitch as accurate as possible, but it will indicate incorrect pitch by the situation may occur.Please acknowledge it.Tested devicesGalaxy Nexus(SC-04D) SAMSUNG [Android4.2.2]Nexus7(2012) ASUS [Android4.3]Nexus7(2013) ASUS [Android4.4.2]This is not guarantee successful normal operation. Please note.PermissionsRECORD_AUDIO: uses microphone.INTERNET: uses to display ad.ACCESS_NETWORK_STATE: uses to display ad.Arrows Z in (ISW13F) FUJITSU, the function of the "Change string-button by covering a device by hand" does not work properly has been reported. In [Menu]-[Manual Mode Setting], turn off the checkbox "Change string-button by covering a device by hand" please.