You should be able to get a manual - in a number of languages - from the Zoom website.
"Be good at what you can do" - Fingerbanger"
I have always felt that it is better to do what is beautiful than what is 'right'" - Eliot Fisk
Wedding music and guitar lessons in Essex. Listen at: http://www.rollmopmusic.co.uk
because I can tell you that in that picture there's nothing you control the volume or whah what you are looking for q is not there.
potentiometers are the q should look?
which q is not the problem you have if you give me more details I can help
I have unaidentica to that only which is the part that broke between current in your photo says (dc in)
you can send me some more photos of the area under q you please?
and the rear too?
thank you ..
Greetings from mx
controls are little green boxes that are in the plastic case