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TruVision HD-TVI Series 4 PTZ Dome Camera Configuration Manual
9
ZOOM LIMIT
Set the user-defined limitation of the zoom amount. Zoom amount =
Optical zoom× Digital zoom.
If you set the zoom limit to its minimum value (22), digital zoom is
disabled and optical zoom is at maximum value. If you set a lower
zoom limit, digital zoom is enabled.
ZOOM SPEED
Define the speed at which the lens changes from wide to the optical
zoom.
SLOW SHUTTER
This extends the exposure time under low light conditions in order to
obtain a clearer image. It can be set from 0 to 5 and the higher the
value is, the longer the exposure time.
DAY/NIGHT
Set the value to AUTO, DAY or NIGHT.
AUTO
: The PTZ dome automatically switches from Black and White
mode (NIGHT) and Color mode (DAY) depending on the light
conditions. This is default mode.
NIGHT (B/W
)
: Switch the IR cut filter to Black and White mode to
increase the lens sensitivity in low light conditions
DAY (Color)
: Switch to Day mode in normal light conditions.
Note
:
Set the DAY/NIGHT values in this menu. Call up preset 39 to set
the IR cut filter mode to DAY mode and call up preset 40 to set it
to NIGHT mode.
The DAY/NIGHT values cannot be configured unless the IR
function is disabled.
D/N LEVEL
This is the light level for auto D/N mode switch.
The IR cut filter switches between DAY and NIGHT mode when the
light conditions reach this user-defined D/N sensitivity level.
SHARPNESS
This function increases the image gain and sharpens the edges in the
image to enhance image details.
Set the sharpness level between 0 and 15.
BLC/WDR
Set the value as
ON
or
OFF
to enable or disable the functions.
EXP MODE
AUTO
:
Auto iris, auto shutter and auto gain. The PTZ dome
automatically adjusts the values depending on the light conditions.
This is default mode.
IRIS
:
User-defined iris value, auto shutter and auto gain. It is the iris-
priority mode. Define the iris value in the IRIS, SHUTTER and GAIN
menus (see below).
SHUTTER
:
User-defined shutter speed, auto iris and auto gain. It is
the shutter-priority mode. Define the shutter speed in the IRIS,
SHUTTER and GAIN menus (see below).
MANUAL
:
User-defined iris, gain and shutter. in the IRIS, SHUTTER
and GAIN menus (see below).
IRIS
It measures the amount of light entering to the lens. You can set the
iris value from 0 to 17 in response to the changing light conditions.
The EXP MODE needs to be changed to
MANUAL
before controlling
the Iris in the PTZ panel.
Note:
Iris is fully closed at 0 and fully open at 17.
SHUTTER
The speed of the electronic shutter controls the amount of light
entering to the lens in a unit of time (a second). You can manually
configure the shutter speed for the PTZ dome. You can also enable a
slow shutter function for low light conditions.
The higher you set the
SHUTTER
value (a faster shutter speed), the