Proxima ASA 4100/4200 - Manual (Page 27)

3-2 Chapter Three
FOCUSING THE IMAGE
1 Use the Setup menu (see page 3-6) to adjust the focus. Press the Setup key
and use the right and left arrow keys to adjust the focus.
2 You can also use the [Prog 1] or [Prog 2] key on the Cyclops remote
control to set the focus. These keys can be (and may have been)
reprogrammed for other functions (see Advanced menu, page 3-28).