Intonation is adjusted by increasing or decreasing the length of a guitar string. So don’t invite us … You must perform intonation adjustments for each string. The first step to correcting your instrument's intonation is to address any issues that can cause intonation problems. Set Your Intonation. By Dan Erlewine. ; A working guitar cable; The proper tool(s) for moving your bridge saddles closer or further from the nut — this is usually a small flat-head or Phillips screwdriver. No worries, though. If your intonation is correct, the tone produced when you fret the 12th fret and pluck the string should be the same tone exactly one octave higher than the open string. As the intonation is what determines the guitar being in-tune throughout the whole fretboard. Keep in mind that adjusting the saddle for a string corrects only that string. Adjusting Guitar Intonation . To set intonation, locate the screw that allows you to change the position of the saddle. Check your intonation using a chromatic tuner. Setting the intonation on a guitar basically involves moving the saddles forward or backwards until all of the notes all of the way up the fret board play as in tune as possible. Acoustic guitars offer a bit more of a challenge than most electrics though. The way you adjust your guitar’s intonation depends on what type of guitar you have. How to Adjust an Acoustic Guitar Truss Rod. Some guitars are more or less flexible in this regard (and we'll get to individual instruments in a little while) and acoustic instruments with non-adjustable saddles present more of … PG's Andy Ellis talks with guitar repairman and setup technician John LeVan of LeVan's Guitar Services in Nashville, TN, about how to properly set up and intonate a flattop acoustic guitar. HOW to setup INTONATION? A chromatic tuner provides an electronic readout of the exact note that each string is playing. How To Adjust Intonation on Your Guitar. You can get your instrument to tune pretty easily by doing something called adjusting guitar intonation, or like others like to call it – guitar bridge tuning. Double that measurement to find the scale length of your guitar. ; Set up to work in a well-lit area with plenty of room. Follow these steps to get your guitar to tune in every position. Tune your guitar normally. On most electric instruments, you’ll likely have adjustable saddles to easily compensate each string. Next fine tune the length of the string by ear and songs by adjusting string length at the bridge accordingly. When a quality guitar leaves the factory, the truss rod is adjusted according to the maker’s taste in setup specs. Use a chromatic electronic tuner to tune the … On Fender Stratocaster or other guitars equipped with tune-o-matic bridges, each of the individual saddles has its own screw to set position. Turning the screw counterclockwise moves the saddle toward the nut, which corrects a string that frets flat. Acoustic guitar tuning upgrade: intonation tuning of a single string is close when the twelve fret and nineteenth fret notes pitches are close to their corresponding harmonic pitches; see demonstration video Ill-Be-There.wmv below. Compensating the nut can be attained in various ways and one simple method is by shortening the length of the fingerboards at the end of the nut. S L November 16, 2012. Tools you will need: A highly accurate tuner, like the Peterson VSS-C StroboStomp Classic Pedal Strobe Tuner with a large display to make it easier to see as you are working. If you haven't done so already take a look at my list, most new intonation problems will be caused by one of these issues. This is created by the length of each string from the nut to the bridge. 1. Adjusting this alters the actual length of the string. Some guitarists intonate an acoustic guitar by compensating the nut to produce a better sound. Use an electric tuner and set it up for the tuning you’re going to use. There are only a few tools that you will need in order to set the intonation on your guitar. The fact that the saddle is installed at a slight angle (increasing string length from 1st to 6th) string is a nod towards some string compensation. The easiest way to do this is by adjusting the position of the guitar’s bridge. … 1. Note: adjusting the intonation of an acoustic guitar usually requires careful filing of the saddle and is best left to professional guitar techs. On most guitars, intonation is adjustable at the bridge. An acoustic guitar generally has a fixed saddle (of bone or whatever). Intonation is the internal tuning of a guitar, or in other words the intonation is what makes the frets in tune. You can preset the basic intonation of your guitar by taking a tape measure and measuring from the inside of the nut to the center of the 12th fret (the fret wire itself; not the fingerboard).