There has been a lot of discussion here lately about the tuner in the T1. Some folks have mentioned having trouble with the tuner, or that it is 'jumpy'. Some have talked about not being able to tune at all. We listen to everything, take it into consideration and sometimes do some behind the scenes work before we come back with a response. In this case, I want to come back and offer some tips on using the tuner and some additional explanation.
In all of our testing and experience here we have found the tuner to be as accurate and reliable as other high quality stage tuners. The T1 tuner is fairly 'fast' in terms of tracking speed. For example, typically, Boss tuners have more 'averaging' and slower tracking speed. The needle moves up to the note you are tuning slower, but is more stable once you get up there. Another example - Peterson tuners generally track faster. They go up very fast to the note, and move around more once you get up there - this is because the instrument is actually slightly varying pitch. The tuner is tracking this behavior correctly. Both Peterson and Boss make awesome, super accurate tuners, its just like the difference between a Strat and a Les Paul...or a Porshe and a Benz.
The T1 tuner, as I said, is faster in its tracking, and this may take some getting used to at first. It took me a little while to become accustomed to bench tuning my basses with a Peterson strobe tuner after using a Boss for a few years.
1.) *CRITICAL*. Make sure the CH Edit button is pressed on the Channel of the instrument you are trying to tune.
2.) Make sure you instrument is gain staged correctly - the tuner needs a good strong signal (at least solid green) to lock on to.
3.) Take the FX off. Any modulation effects will mess things up.
If you are still having problems, reply back and we'll work through 'em.