How to Set Up and Use Fender Tuners

I'll be honest — the first time I tried to use a Fender tuner properly, I stood there stabbing at strings in roughly the right order and wondering why the display kept flickering between two notes. Turns out there's a proper method, and once you know it, tuning stops being a fiddly guessing game and becomes about thirty seconds of work. Here's how to actually do it.

Before you start

A few small things make a genuinely noticeable difference before you even touch a peg:

• Sit or stand in your normal playing position — a guitar held differently can shift the neck ever so slightly and throw the reading off.
• Check the battery in a clip-on or pedal tuner. A weak battery can cause an unstable or flickering reading that looks like a tuning problem when it isn't.
• Give new strings a good stretch first, or you'll be chasing a moving target all evening.

The proper step-by-step method

1. Attach your clip-on tuner to the headstock, or engage your pedal tuner so it mutes the signal.
2. Pluck one string cleanly and let the note ring — don't mute it or play another note straight after.
3. Wait for the display to settle on a stable reading rather than reacting to the very first flicker.
4. Tune upward to pitch where possible. If you've gone sharp, drop below the note first and bring it back up, rather than nudging down repeatedly.
5. Move to the next string and repeat the process in the same order every time.
6. Once all six strings are done, play a chord and check nothing's drifted while you were tuning the others.
7. Give the strings a gentle stretch, then run through all six again — new strings especially will have moved.

That last step catches almost everyone out early on. A guitar that was perfectly in tune five minutes ago can drift the moment you actually start playing it, especially with fresh strings, so a second pass is normal rather than a sign you did something wrong.

Using a pedal tuner specifically

If you're using something like the Strobo-Sonic Pro, the extra step is choosing your bypass mode before you start. True bypass keeps your tone completely untouched when the pedal isn't tuning, buffered bypass helps if you're running a long cable chain, and always-on keeps the tuner monitoring pitch continuously in the background. None of these change how you actually tune — they just change what happens to your signal the rest of the time.

Fitting locking tuning machines

This is a different kind of "setup" — physically installing hardware rather than reading a display. If you're fitting locking tuning machines yourself:

• Confirm the mounting method (dual-pin, single-pin or screw-mounted) matches your headstock before removing anything.
• Keep track of which posts are tall and which are short — Fender's staggered sets are specific about which string gets which post height, and swapping them undoes the intended break angle over the nut.
• Don't force a tuner that doesn't sit flush. A set that looks like a drop-in match can still need drilling or reaming, and that's a job for someone experienced, not a hopeful shove.

If it still won't hold pitch

Worth knowing before you blame the tuner itself: locking tuning machines reduce slippage at the post, but they can't fix a poorly cut nut, an unbalanced tremolo, or strings that simply haven't been stretched in yet. If you've followed all the steps above and it's still drifting within minutes, the problem is very likely somewhere else in the setup, not the tuner.

Next steps

If you're brand new to all this, our beginner's guide to Fender tuners starts a little further back, and our piece on common mistakes to avoid is worth reading before you go anywhere near locking tuners for the first time.

The bottom line

Learning to use a Fender tuner properly takes about five minutes, and after that it's muscle memory. Same order, same patience for the display to settle, and a second pass once you've actually started playing.

Frequently Asked Questions