Speco Technologies 650Line Intensifier3 Tamperproof Dome w. Chameleon Cover HINT13D7G - Manual (Page 6)

FEATURES
This function removes image jitter that is caused by vibrations in
the building and reduces the amount of hard drive space.
STABILIZER
It also has the ability to mask up to 8 areas of the picture where
Viewing is not desired. Each zone can be independently
programmed via the OSD
PRIVACY MASK
The picture could be enlarged by this function in digital.
DIGITAL ZOOM
6
All camera functions are menu driven for easy use.
OSD
The Intensifier camera can show color pictures in all lighting
conditions, or you can have it automatically switch to a B/W
picture in low light conditions
DAY/NIGHT