What is the difference between the Fretlight 200, 300 and 400 Series Guitars?
The Fretlight Guitar has gone through a few revisions since its creation in the early 90's. At the time of this article's publishing, Optek Music Systems, Inc. only...

How does weather affect my guitar and how can I adjust for it?
Weather effects guitars generally upon two factors: temperature and humidity. Ideal Conditions for a guitar are most importantly concerned with humidity and...

I hear buzzing on the strings and frets. What's going on?
The infamous fret buzz is a symptom of many possible problems. While most fret buzz issues can be solved by a simple and routine Guitar Setup, in many cases the cause of...

How do I adjust the truss rod - which way do i turn it?
All guitars are subject to some movememnt in the neck due to different weather and humidity conditions. Unlike purchasing a guitar from a guitar store where those guitars...

Can I use a product like Finger Ease on my Fretlight Guitar?
We don't recomend it because the chemicals used in these types of products (string friction reducers) can be harmful to the Fretlight polymer fretboard. If you still want...

Is the old SmartLIGHT or FG-200 series guitar upgradeable for the new software?
No. Sorry. The technology has changed drastically in 11 years and would have been cost prohibitive to allow this legacy connection. If you happen to own a SmartLIGHT...

Are there plans for a Fretlight Bass Guitar?
Yes, Optek Music Systems, Inc. is committed to pushing this technology to its fullest potential. Although no firm date is set, a Fretlight Bass is certainly in the...

Adjusting the Truss Rod
Due to temperature differences between the climate we are shipping from and the climate you live in, you may need to do minor adjustments to your Fretlight to ensure good...

Where do I take my Fretlight for Service?
You can take your Fretlight to any reputable guitar shop for service - if they work on other guitars such as Fender and Ibanez, they can work on a Fretlight. Print out...

My Fretlight needs some adjustment. What are the proper setup/adjustments for the FG-400?
Here is the proper set-up/ adjustment specs for your guitar: 1. Begin by restringing the guitar. Replace the strings one at a time. Gently but thoroughly stretch...

What size are the included Allen wrenches for the truss rod and bridge saddles?

What is a "B" stock guitar, like the ones for sale on Optek's eBay store?

Do you have Lefty Fretlight guitars and how do they light up the chords, scales, and songs appropriately?

Why is the FG-431 Telecaster more expensive than the FG-421 Stratocaster?

Can I use the Fretlight with a Macintosh computer by Apple?

I'm running Windows Vista but am having some issues installing the Fretlight software?

I'm running Windows Vista and I've turned of the UAC but I'm still having difficulty running the Fretlight Software?

Still having an issue with on of our software programs, like M-Player or Improviser?

My Fretlight dual footswitch is not working properly?

My computer crashed and i lost all my data - how do I re-download songs or lessons that I purchased?