LG LV803 Owner's Manual page 18

Installation
6-. Lock the lever.
7. Adjust the focus
7-1. Unlock the focus lever.
7-. Move the lever to adjust the focus.
18
TELE
WIDE
8.
9.
FAR
NEAR
WIDE
NEAR
7-. Lock the lever.
Attach the lens cover.
Attach the dome cover.
TELE
FAR