Maybe a dumb question?

[Pap]

Is there a “Beep” sound when EPL-1 camera is in focus and can it be regulated?
Pap

 

[edb]

I don't have the E-PL1 but have the E-P2 and the sound can be turned off.

I'm 99% sure the E-PL1 would be the same.

 

[Blu-by-u]

You can turn it off. And the volume can also be adjusted.
Check Page 75 of your user guide.