Humming and no vibes

[-=X=-Trigger]

OK, I have a very annoying humming when the backilght is on, is that normal? Also, on my LCD when ever I turn my vibes ON in the menu on SAFE, it vibes to let me know I turned it on. In the A4 Fly, when I turned it on, it didnt do anything, is that normal? I have not shot it yet, havent even run air through it...I am waiting to get it anno'ed. Can anyone give me a clue?

[AngelBoi]

the humming is normal...

....*sigh* what gun do u have? *sigh*

[Sparco]

Yes, all normal.

[-=X=-Trigger]

Thanks guys!