Lorex NTSC Instruction Manual page 12

Camera Operation
DNR (Digital Noise Reduction)
The background noise in the low light level decreases automatically as the
level of gain changes.
1. Please position the arrow to point to 'DNR' on the SETUP menu by using
the UP and DOWN buttons.
2. Please select the mode you wish to operate by pressing the LEFT or
RIGHT button.
SETUP
LENS MANUAL
SHUTTER ESC
WHITE BAL. ATW
BACKLIGHT OFF
AGC LOW
DNR LOW
SENS-UP OFF
SPECIAL
OFF : There is no reduction in noise level.
LOW : There is a small reduction in noise level with almost no
ghost image.
MIDDLE : The most effective mode. There is a sufficient reduction in
noise levels without causing much ghost imaging.
HIGH : The level of noise is reduced greatly, however there is an
increase in ghost imaging.
Note
• When AGC is turned off, DNR does not operate.
SENS UP (Low illuminance)
SENS UP helps maintain a bright, clear screen image by automatically
detecting changes in the level of light in low light level conditions.
22
Digital Day&Night Vandal Dome
1. Please position the arrow to point to 'SENS UP' on the SETUP menu by
using the UP and DOWN buttons.
2. Please select the mode you wish to operate by pressing the LEFT or
RIGHT button.
AUTO : Low light level auto mode
OFF : The function does not operate.
Note
• When SHUTTER is in the manual mode, SENS UP does not operate.
• When AGC is turned off, SENS UP does not operate.
SETUP
LENS MANUAL
SHUTTER ESC
WHITE BAL. ATW
BACKLIGHT OFF
AGC LOW
DNR LOW
SENS-UP OFF
SPECIAL
EXIT
3. Please press the SETUP button when all the settings are complete.
Note
• The maximum storage magnification in low light level movement situations
can be adjusted by pressing the SETUP button in 'AUTO' mode.(X2~X128)
• As the magnification increases, the screen gets brighter; however the after
image also increases.
• If storage magnification is increased while SENS UP is operating, it may
cause noise, and spots may appear; however this is normal.
23
Digital Day&Night Vandal Dome