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STAR-LIGHT™ 2.1MP HD Over Coax™ 20X PTZ Dome Camera
Model: DWC-PTZ20X
The STAR-LIGHT™ HD COAX 20x PTZ Camera uses existing coaxial cables to transmit crystal-clear 1080p images in any lighting conditions and increase system ROI. The camera features 20x optical zoom and 16x digital zoom, 0~360° endless pan in an IP66 weather resistant dome housing. A wall mount and ceiling mount are available, sold separately and necessary to complete the camera’s installation.
  • DWC-PTZ20X

PTZ and OSD Control via Coax (UTC)
UTC (Up The Coax) allows a user to access the camera's OSD (On Screen Display) through a coaxial connection, eliminating the need for an additional RS485 cable to reach the menu.
Tampering-Resistant Pan, Tilt, Zoom Domes
Digital Watchdhog® PTZ cameras use up to 30x optical zoom lens, which uses the internal glass elements of the lens to bring an image in closer and records over the entire digital sensor of the camera at full resolution. Combined with additional 16x digital zoom, the camera offers clear zoom up to 480x times. 
Wide Dynamic Range (WDR)
Wide Dynamic Range technology mechanically allows capturing an entire scene in challenging lighting conditions. One shutter is set to a short exposure, capturing the bright areas in the FoV, while the other is set for a long exposure, capturing the dark areas in the FoV. The camera then interlaces the images and combines them, capturing both areas with no loss of detail. This allows for an image capture even when there are very bright and dark areas in the camera’s field of view or images are distorted by a strong backlight.
  • HD over Coax™ Technology with HD-Analog / HD-TVI Signal Support
  • Analog CVBS Output (720x480)
  • 1/2.8” SONY STARVIS CMOS Sensor
  • 2.1MP, 1080p Resolution at 30fps
  • STAR-LIGHT™ Super Low Light Technology
  • 4.7 ~ 94mm Remote Auto Focus Lens
  • 20x Optical Zoom + 16x Digital Zoom
  • OSD Control Via Coaxial (UTC)
  • Wide Dynamic Range (WDR)
  • Smart DNR™ 3D Digital Noise Reduction
  • True Day/Night with Mechanical IR Cut Filter
  • Pan 0~360° Endless, 380° Per Second Pan Speed
  • Vector Drive Technology - Pan/Tilt Motion in Shortest Path
  • 240 Preset Positions, 8 Patterns, 8 Tours
  • Alarm Sensor Input
  • Relay Output
  • Auto Sensing 24VAC/12VDC with Line Lock
  • Programmable Privacy Zones (16 Masks)
  • Motion Detection
  • Auto Gain Control (AGC)
  • Backlight Compensation (BLC)
  • Auto White Balance (AWB)
  • RS-485 Built-in
  • IP66 Certified (Weather Resistant)

IMAGE

Image sensor
2.1MP/1080p 1/2.8” Sony Starvos CMOS
Total pixels / active pixels
1945 (H) x 1097 (V)
Scanning system
Progressive scan
Synchronization
Internal
Resolution
HD-TVI: 2.1MP/1080p at 30fps, 720p at 30/60fps
HD-Analog: 2.1MP/1080p at 30fps
CVBS: 720 x 480 at 30fps
Minimum scene illumination
0.35 lux (color)
0.013 lux (B&W)

LENS

Focal length
4.7~94mm, F1.6
Lens type
Motorized zoom auto-focus lens
Angle of view
55.5 ~ 3°
Digital zoom / zoom
20x optical zoom, 16x digital zoom

I/O

Alarm input/ output
4/1

OPERATIONAL

Shutter mode
Auto, manual
Shutter speed
1/30,000 ~ x 8sec.
Backlight
On / off
De-fog
On / off
Wide dynamic range (WDR)
True WDR, on, off, night off
Wide dynamic range (WDR) dB
100dB
Smart DNR™ 3D digital noise reduction
Off, low, middle, high
White balance
Auto, Fluorescent, Incandescent, Outdoor, Manual
Day and night
Auto, day (color), night (B/W)
Mirror / flip
Yes
Privacy zones
16 programmable privacy masks

PTZ FUNCTION

Pan range
360° endless
Pan speed
Max. 380°/sec. (preset)
Tilt range
-10~190°
Tilt speed
Max. 380°/sec. (preset)
Auto calibration
0.1~6°
Preset
240
Tour
8
Pattern
8
Home function
Yes
ID (camera address)
1~3999
Control
RS-485, baud rate : 2,400 ~ 38,400bps (default : 9,600bps)

ENVIRONMENTAL

Operating temperature
14°F ~ 122°F (-10°C ~ 50°C)
Operating humidity
0–90% RH (non–condensing)
IP rating
IP66 certified weather and tamper resistant
Other certifications
CE, FCC, RoHS

ELECTRICAL

Power requirement
12VDC, 24VAC
Power consumption
Max. 1A (12W) @ 12VDC, 24VAC

MECHANICAL

Material
Aluminum PTZ, polycarbonate dome
Dimensions
6.06 x 5.9 in (154 x 150 mm)
Weight
Approx. 3.5 lbs (1.6kg)
DWC-P20CM2
Ceiling mount for DWC-PTZ20X
DWC-P30CNM
Corner and pole mount bracket
DWC-P20WM2
Wall mount for DWC-PTZ20X
Title Type Size Download
Camera Accessories Compatibility Chart pdf 3.88 MB
DWC-PTZ20X Data Sheet pdf 0.50 MB
DWC-PTZ20X Quick Start Guide pdf 0.35 MB
DWC-PTZ20X User Manual pdf 0.86 MB
Frequently asked questions
Q. How do I change dome id?
A.
  1. Access camera menu from dvr setup menu > enter preset 95> click set button> click device > click UTC/PTZ tab.
  2. Go down to Dome Communication > click arrow pointing to the right.
  3. Select Dome ID > Move arrow 3 times to the right until small Astrid (*) symbol is on top of the number you need to edit.
  4. Click the ( - ) symbol on the zoom section to the right until you see number change to the number you need
  5. Go down to save and exit > click arrow pointing to the right.
Q. How do I change protocol/Baud rate?
A.
  1. Access camera menu from dvr setup menu > enter preset 95> click set button> click device > click UTC/PTZ tab.
  2. Go down to Dome Communication > click arrow pointing to the right.
  3. Select Protocol > click arrow to the right until you find correct protocol
  4. Select Baud Rate > click arrow to the right until you find correct baud number. 5. Go down to save and exit.
Q. How do I default the camera if I have a problem with image or signal?
A.
  1. Access camera menu from the dvr setup menu> enter preset 95> click set button>click device>click UTC/PTZ Tab.
  2. Go to Setup and select Initialize
  3. Press and hold the select button for five (5) seconds
Q. How do I default the HD PTZ camera?
A.
  1. Access camera menu from dvr setup menu > enter preset 95> click set button> click device>click UTC/PTZ tab
  2. Go to Dome Setup > click arrow pointing to the right.
  3. Select factory default > click arrow pointing to the right.
  4. Go down to ok > click arrow pointing to the right.
  5. Go down to save and exit > click arrow pointing to the right. (This will only default the settings not image)
Q. How do I get communication from coax?
A.
  1. Camera must be connected to a Vmax A1 dvr or HD-TVI dvr to have coax communication
  2. Camera has 2 video cables make sure to use blue cable for TVI.AHD signal and coax communication
Q. How to control a PTZ camera using RS485 on DVR?
A.
  1. Connect RS-485 cables to the PTZ terminal on dvr
  2. Enter Setup menu
  3. Go to DEVICE then UTC/PTZ
  4. Enter Protocol, Baud rate and Address then SAVE
  5. Exit Menu to LIVE view
  6. Right click on the camera and select PTZ control
  7. User the controller to manipulate the camera
Q. How to turn off camera OSD?
A.
  1. Access camera menu from dvr setup menu > enter preset 95>click set button> click device > click UTC/PTZ tab.
  2. Go down to Dome Setup > click arrow pointing to the right to access sub category.
  3. Go up and select OSD Display > click arrow pointing to the right to access sub category.
  4. Go up to Dome OSD > click arrow pointing to the right to access sub category.
  5. Set Dome OSD to off > click arrow pointing to the right.
  6. Go down to save and exit > click arrow pointing to the right.
Q. How to turn on WDR?
A. At the VMAX A1 DVR
  1. Right click and select PTZ controller
  2. Press Menu to access the camera's OSD
  3. Go to Exposure, Brightness and select WDR.
  4. Go to Exit Jump
  5. Select Save & Exit
Q. My Camera image is flashing/flickering
A.
  1. View the image to see if the environment has variable lighting
  2. If so, enable WDR or DRC in the camera’s menu
  3. If not, make sure power is sufficient and power cycle the camera
  4. Check cable and connectors

Wide Dynamic Range (WDR)

Wide Dynamic Range technology mechanically allows capturing an entire scene in challenging lighting conditions. One shutter is set to a short exposure, capturing the bright areas in the FoV, while the other is set for a long exposure, capturing the dark areas in the FoV. The camera then interlaces the images and combines them, capturing both areas with no loss of detail. This allows for an image capture even when there are very bright and dark areas in the camera’s field of view or images are distorted by a strong backlight.

  1. Enter camera's setup menu
  2. Go to Exposure
  3. Go to Backlight and select WDR
  4. Enter WDR submenu to adjust the level
  5. Save & Exit

Dynamic Range Compressor (DRC)

DRC enables dark areas in images to become more visible without overexposing the bright areas to create one perfect image

  1. Enter camera's setup menu
  2. Go to Exposure
  3. Select DRC
  4. Enter DRC submenu to adjust the level
  5. Save & Exit

Q. My camera is blurry at night but clear in the day
A.
  1. Check the lens cover for dirt, debris, scratches, smudges or residue
  2. Tilt camera away from or remove nearby reflective objects
  3. Make sure rubber gasket is present and correctly seated on lens
  4. Clean lens cover with water and dry microfiber cloth
Q. My camera is no longer producing video.
A.
  1. Confirm the physical connection on the dvr
  2. Switch with a known working camera
  3. Check power to the camera
  4. Check camera compatibility
  5. Check user rights
Q. My camera is stuck in Black & Whtie.
A.
  1. Make sure the camera is compatible with the dvr
  2. Make sure the camera is on the right signal
  3. Make sure the camera is getting sufficient light
  4. Make sure the light sensor is not obstructed.
  5. Move camera to a known working port. If problem follows the camera then the camera is the problem
  6. Enter the Camera's setup menu and make sure Day & Night is on Auto
  7. Factory default/Initialize the camera
  8. Bench test the camera with separate wiring and power
  9. Send in for repair if the problem persists.
Q. There are horizontal rolling bars on the monitor.
A.

This is a video ground loop due to more than one ground between camera and monitor/head-end

Ground Loop problems can be resolved by making sure that only one end of any video cable is
connected to a local ground. Make sure the video cable shields do not come into direct contact with
each other to prevent unintentional local grounding.

  1. Tape all connectors in such situations to minimize this risk.
  2. Keep camera runs as short as possible with all video cables cut to fit. Excess cable left along any run can increase the risk of interference.
  3. At the monitor end make sure all the CCTV equipment is connected to same power point to provide a common local ground.
  4. Implement a ground loop isolator