WIDE DYNAMIC RANGE
ZC-DWT4312 NHA/ZC-DWT4312 PHA
Operation Manual
Camera Adjustments
Camera Adjustment and Programming
With the exception of the focus and field of view adjustments (made using levers A and B), all
settings for the ZC-DWT4312 camera are made using its onscreen menu display. A functioning
video monitor and a separate plug-in service board (C) are required to view and select
options.
Menu Description
PRESETS
These are "factory-set" general configurations. Select from the preconfigured camera modes
for the best performance in the specified environment. Pressing the ENTER key on the
selected option will display the pre-configured set-up parameters.
NORMAL - This should provide the most versatile settings for general purpose applications.
INDOOR or OUTDOOR - These settings are optimized for indoor/outdoor lighting conditions.
FLUOR1 - Line lock recommended.
INT 1 - Internally generated sync.
LL - Line lock - sync is locked to the AC supply cycle and permits adjustment of V-phase to
correct vertical sync picture roll. (Applicable for 24 V AC supply only. If a 12 V DC power
supply is used, then the camera will run in INT1 or INT2.)
INT 2 - Internal flickerless - Internally generated sync that can reduce flicker under florescent
lighting.
FLUOR2 - DC IRIS recommended.
EXPOSURE
EXPOSE MODE has 4 Exposure modes for selection. Each Exposure mode uses the
electronic shutter differently and is suitable for a specific environment.
AGC - Automatic gain control - When low light priority is set to gain, gain increases as light
decreases up to the maximum set using gain limit. No color artifacts are visible nor does the
dynamic range decrease as gain increases.
WDR RANGE CTRL - Use WDR control, electronic shutter control, mechanical iris control,
and the low brightness zone controls selected in LOW Lux MODE to automatically control the
exposure time. Seamless switching between control zones delivers shockless AE.
**Requires a separate mechanical lens.
AE PREFs - Automatically optimizes the scene for highlights or for shadows.
SHUTTER LIMIT - Limits the shutter value.
WHITE BALANCE
WHITE BALANCE has 4 modes for selection. Each mode uses the electronic shutter
differently and is suitable for a specific environment.
ATW Xtnd - Extended auto white balance range - use this setting for scenes that may have an
extremely wide range of color temperatures.
ATW Normal - Selects a normal auto white balance range for general operation. If necessary,
the range is configurable with low limit (to help with reds) and high limit (to help with blues)
adjustments.
AWB - Save or cancel AWB and all changes.
MANUAL - Allows manual setting of the image's color temperature. This can be achieved by
using the Kelvin option, by the method familiar to the installer. This setting is also good for
static environment applications where the lighting conditions never change, such as in indoor
hallways.
VIEWING
MIRROR - This mode reverses the top and bottom sides of the linear.
GAMMA MODE - Select appropriate gamma mode for type of display. Gamma correction
compensates for a non linear grayscale in a display device or to create non-standard
luminance.
MANUAL - Manual Gamma may be used to enhance detail in low light areas of an image
which would normally not be visible with highlights present in the image.
SHARPNESS - Adjusts overall image sharpness.
SATURATION - Adjusts overall color content of the image.
SETUP
IRIS- DC GAIN - Adjusts the iris control gain when using a DC iris.
AI THRESH - Adjusts the threshold at which the automatic iris becomes active.
DAY/NIGHT SETUP - Day/Night operation. This feature may be used to improve low light
performance by reducing noise from the video signal or force the camera into night mode
regardless of lighting conditions.
SAVE/RESTORE
RESTORE USER SETTINGS - This will undo any changes made since the last time the
settings were saved.
SAVE USER SETTINGS - Save any programming changes to ensure they are retained after
power loss or reset. If changes are not saved, the camera will revert to the previous settings
on power-up.
RESTORE FACTORY SETTINGS - Restore camera settings to factory default - full reset, all
previous programming will be lost including the video standard, which will default to NTSC.
RESET CAMERA - This is a soft reset and has the same effect as cycling the camera power.
SYSTEM INFO - Displays the camera firmware version.
ZC-DWT4312NHA/PHA Specifications
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Auto White Balance Range
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Power Range
AC: 24 V AC 20% or DC: 12 V DC -10% +20%
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Lens Specifications
ZC-DWT4312NHA/PHA Menu Map
Press the ENTER button on the control panel for three seconds to view the menu.
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Angle Of View
Diagonal
125.7°~29.9°
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3.3~12 mm
F1.4
F1.4~F360
89.8°~23.9°
63.6°~17.9°
Aspherical
4.2W
1.7 lx @ F1.4
