INSTALLATION MANUAL
Varifocal 720 TVL Color Camera
ST-DWDVF2812-720B/W
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PACKAGE CONTENTS
1.
Image Sensor
1/3” SONY CCD
2.
Pixels (HxV)
976x494
3.
Scanning System
NTSC
4.
Horizontal Resolution
720TV Lines
5.
Synchronization
Internal, negative sync
6.
Minimum Illumination
0.001Lux
7.
Scanning System
2 :1 interface
8.
Auto Electronic Shutter
1/60 ~1/100,000 Seconds
9.
S/N Ratio
52dB
10. Lens
2.8mm – 12mm manual zoom
11. Auto Gain Control
Auto
12. Gamma Correction
0.45
13. Video Output
1.0Vp-p/75Ω
14. Operation Temperature
14 - 113F
15. Relative Humidity
95% maximum
16. Dimensions
5.7”x4.2”
17. Weight
2.6 lbs.
18. Required Power Supply
DC12V 350mA
This package contains:
One ST-DWDVF2812-720B/W Varifocal Dome Color camera
One installation manual
Note: The ST-DWDVF2812-720B/W requires a 12VDC 350mA power supply such as
the ST-PS12VDC1A or ST-PS12VDC2A.
PRODUCT DESCRIPTION
The ST-DWDVF2812-720B/W is a varifocal camera designed around a 1/3” Color SONY CCD
with 720TVL of resolution, and a 2.8mm – 12mm manual zoom lens. The ST-DWDVF2812720B/W is a cost effective surveillance solution for any budget.
SPECIFICATIONS
ST-DWDVF2812-720B/W
Specifications (Typical)
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INSTALLATION AND OPERATION
1. UNPACKING and HANDLING
Each unit is shipped assembled and factory tested.
Ensure that all accessories are removed from the container before discarding packing material
2. MECHANICAL INSPECTION
Inspect the front and rear of the equipment for shipping damage. Make sure the equipment is
clean, and no connectors are broken, damaged, or loose. If equipment appears to be
damaged or defective please contact your distributor or SecurityTronix at 1-800-688-9282 for
assistance.
3. SPECIAL ATTENTION
a. The installer must comply with electrical safety standards. There must be sufficient
space between the camera’s power supply and video line and any high voltage
4. WIRING CONNECTIONS
equipment and/or cables.
b. To help ensure the camera’s life and proper operation do not point the camera
towards the sun or strong light.
c. Do not install the camera in an environment where the temperature is above 113 F.
The camera should be installed in a cool and spacious environment.
d. Do not install the camera near a magnetic field or a high-power motor.
e. Only use a dry cloth to clean the camera. If there is dirt that is difficult to remove wipe
gently with a mild detergent. Never use strong or abrasive detergents.
f. A 12VDC 350mA power supply must be used. AC power cannot be applied. AC
power will damage the camera and void warranty.
g. Only qualified installers are allowed to install, test and disassemble the camera.
h. The camera is a low voltage product. If installed outdoors proper safety and
lightening grounding are required.
a. Connect the power supply’s DC plug to the camera’s power outlet.
b. Connect the camera to the monitor with a 75Ω coaxial video cable.
c. Connect power supply’s AC plug to a suitable AC power outlet.
d. Adjust the lens direction according to the required surveillance area and environment.
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5. OSD SETTINGS
Accessing the camera’s OSD menu and making menu selections is
accomplished using the attached joystick (press to select).
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6. TROUBLESHOOTING
a. No picture after applying power – (i) check all plugs and cables are securely
connected to the proper connectors; (ii) ensure your power supply is providing the
correct voltage and current.
b. The picture has ripples – (i) check to see if the power supply is experiencing AC
ripple, if so a filter may be required; (ii) determine if the monitor is faulty; (iii)
determine if other peripheral equipment is causing ripple and if so make the
necessary adjustments.
c. The picture background continuously changes color – a fluorescent lamp’s magnetic
field may cause color roll, therefore, reduce the number of fluorescent lamps or
increase the distance between the camera and the lamps.
d. The picture appears smeared – (i) the power supply voltage level may be unstable,
therefore, try another power supply; (ii) ensure the cables are correctly connected
and/or the cables are of the correct impedance.
e. Other interference may require a SecurityTronix ground loop isolation filter.
f. Additional troubleshooting assistance can be found on-line at www.securitytronix.com
in addition to support from SecurityTronix sales engineers at 1-800-688-9282, option
3, then option 2.
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