Digital Noise Reduction DNR, BW Setting

NORMAL: Sets the horizontal resolution to more than 480 lines.

HIGH: Sets the horizontal resolution to more than 510 lines.

Note: After selecting HIGH, noise may increase when the SENS UP function is activated under low illumination.

• Digital Noise Reduction (DNR)

DNR may be used to improve quality under low light conditions. There are 4 levels of DNR, which may be selected depending on local site conditions. Factory default setting: LOW2

You may need to try different settings to find the most suitable conditions for your application.

Move the cursor to DNR and select LOW1, LOW2, HIGH1 or HIGH2 with the joystick.

** SPECIAL2 **

CHROMA GAIN	–••••••••+
AP GAIN	–••••••••+
PEDESTAL	–••••••••+
HUE	–••••••••+
RESOLUTION		NORMAL
DNR		LOW2
BW MODE
PIX OFF	→PUSH SET
REFRESH	→PUSH SET
CAMERA RESET	→PUSH SET
RET

LOW1: DNR level is low. The after-image remains.

LOW2: DNR level is low. The after-image is reduced.

HIGH1: DNR level is high. The after-image remains.

HIGH2: DNR level is high. The after-image is reduced.

• Black and White Mode (BW MODE)

Move the cursor to BW MODE and press the CAM (SET) key. The BW MODE menu appears. You can set up the BW mode on this menu.

BW Setting

1.Move the cursor to BW and select AUTO, ON or OFF with the joystick. Factory default setting: OFF.

** BW MODE **

BWOFF

PIX SENS UP	OFF
BURST(BW)	ON

RET

AUTO: The camera selects the black and white mode if the picture is dark, or the color mode if the picture is bright enough.

ON: The black and white mode is selected.

OFF: The color mode is selected.

Note: Selecting the color mode is disabled if ALARM IN 4 is set to B/W on the special 1 menu.

2.If you have selected AUTO, press the CAM (SET) key to open the BW AUTO submenu.

3.Select HIGH or LOW for the threshold level at which the camera automatically switches to BW or color mode. Default: HIGH

The illuminance shown below is based on the assumption that the camera is used in an area lit by halogen lamps, and that AGC on the menu is set to MID.

HIGH: approximately 6 lx

LOW: approximately 2.5 lx

Note: When near-infrared lamps are used, the image may be displayed out of focus and mode switching may not perform automatical- ly.

4.Move the I cursor to set DURATION TIME. Default: 30 seconds

The camera determines whether to switch the mode when the time set for holding a picture

motionless on the screen has elapsed. Available duration times: (L) 10 s ↔ 30 s ↔

60 s ↔ 300 s (H)

Note: A pan/tilt, zoom or focus operation will restart after the holding time.

PIX SENS UP Setting

Move the cursor to PIX SENS UP and move the joy- stick to select OFF or X2 AUTO.

** BW MODE **

BW	AUTO
LEVEL	HIGH
DURATION TIME	•••
PIX SENS UP	L H
	OFF
BURST(BW)	ON
RET

X2 AUTO: Sensitivity will be automatically doubled at the maximum in the black and white mode.

OFF: Sensitivity will not be enhanced.

Notes:

•"X2 AUTO" is not available when AGC is set to OFF. "X2 AUTO" is automatically set to OFF.

•When the picture becomes stable, the luminance may change for a moment.

BURST (BW) Setting

Move the cursor to BURST (BW) and select ON or OFF with the joystick. Default: ON.

ON: The burst signal is supplied along with the black and white composite video.

OFF: The burst signal is not output.

Note: It is recommended to select ON usually.

-41-