I have a Korg Chromatic Tuner CA-30 and i brought it to tune Drop C among others ofc but it sounds like ****! CGCFAD at 440Hz im tuning am i doing something wrong or is this tuner ****ed up because i read reviews its meant to be a really good tuner
How long since you changed the batteries?

My Korg GA-30 started acting up, I changed the batteries and I was good to go
dude use your ear like a real guitarist!!
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Black Metal Pie.
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Join if you like, or kindly leave.
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i like shooping
shoop da wooping
and chargin mah lazorz
not necessarily in that order
Maybe your intonation is off? Maybe your neck is warped? Do other tunings sound good? If so, then your strings are just too loose. Also, punctuation is really handy sometimes.
Change batteries or change the Hz or something. That's my guess.