It has a hard time making up its "mind" at times.

I have a tough enough time just dealing with 6

Too bad they didn't have that function on my gas stove the time I accidently burnt the ceiling

Wasted my money and time

I use it for my Bass as well and has been great for tuning every time

Came in good time

If there were additional noises in the room, it also had a hard time distinguishing what sound it was supposed to pick up

The battery lasts forever (well may not forever, but a long, long time).

I have to strum my harp strings super hard 5 times each to get it to pick up on

The tuner sure adds minutes to the precious practice time I try to get in daily.

The only downside of the CA40 is that the internal microphone has a hard time locking in if you're using it in a noisy place (like a coffee shop just prior to an open mic when a bunch of guitarists are all tuning in the same room).

It also has a difficult time recognizing tones from the wooden keys; admitedly the keys do not often produce pure sound, they usually have some over and undertones that the tuner has a hard time recognizing and in some instances not at all

This time I used the little fold out stand and meter lost its nervous bounching around and responded to every pluck of the string

I found it had the hardest time finding those correct pitches..... but we are talking the lowest lows same with the highest highs

I built a Heathkit/Thomas organ in the 1970's and had a difficult time with the tuning procedure in the manual.

but it doesn't work every time at the highest and lowest registers of my piano.

The mic has a rough time with background noise - so if you want to play acoustic at a small show

Perfect every time

Wasting time for practice and playing for audiences, this was always great enough, but, the Korgs and others I had bought were not in agreement, as others were flat, and Korgs even of the same Item # disagreed.

I found it had the hardest time finding those correct pitches..... but we are talking the lowest lows same with the highest highs

" I gon`a make him an offer he can`t refuse " , and you really won`t want to

I would get a good "E" on the top then go down the strings remembering that the "B" string was flat 1/2 step, and got used to it

I chose this model for tuning my guitar because it is chromatic, which means (I guess) that it displays every note, every half step, not just the E A D G B E like some other tuners

I use it with my classical guitar, picks up on even the high E string no problems