Operation Manual
Page 6
Troubleshooting
Error Possible Cause Solutions
No Picture Camera cables are loose or have become disconnected
• Check the camera video cable and connections
• Disconnect and reconnect the cable at the system and at the
camera
• Try moving the camera to another channel or use another cable
Flickering image Bright light shining directly into camera lens
• Move the camera or move any source of bright light away
from the camera
Image is too light or dark Mis-adjustment of contrast and brightness levels
• Adjust the contrast and brightness on the DVR or TV
• Move the camera or move any source of bright light away from the
camera
A white image appears at
night
Camera is placed too close to a window
• The camera’s infrared LEDs shine invisible light that reflects off
surfaces such as glass causing white light
• Place the camera on the other side of windows or place the lens
flush against the surface to improve night vision
APPENDIX
SPECIFICATIONS AND TROUBLESHOOTING
Technical Specifications
Item Specifications
Model CMD420 CMD480 CMD520 CMD560 CMD600 CMD700
Image Sensor 1/3.6" CMOS 1/3" CMOS 1/3.6" CMOS 1/3.6" CMOS 1/4” CMOS 1/4” CMOS
Effective Pixels NTSC:(H)648xV)488 NTSC:(H)648x(V)488 NTSC: 656(H)x492(V) NTSC: 656(H)x492(V) NTSC: 656(H)x492(V) NTSC: 720(H)x480(V)
Horizontal Resolution 420 TVL 480 TVL 520TVL 560TVL 600TVL 700TVL
IP Rating N/A N/A N/A N/A N/A N/A
Number of infrared LED’s 32 IR LEDs 32 IR LEDs 32 IR LEDs 32 IR LEDs 32 IR LEDs 24 IR LEDs
Night-Vision Range 50 Ft. 50 Ft. 80 Ft. 80 Ft. 80 Ft. 80 Ft.
Indoor/Outdoor Indoor Indoor Indoor Indoor Indoor Indoor
Lens 6mm 6mm 6mm 6mm 6mm 6mm
View angle 34º 34º 34º 34º 48° 34°
Frame Rate
NTSC: 60 fields/sec
PAL: 50 fields/sec;
NTSC: 60 fields/sec
PAL: 50 fields/sec;
NTSC: 60 fields/sec
PAL: 50 fields/sec;
NTSC: 60 fields/sec
PAL: 50 fields/sec;
NTSC: 60 fields/sec ;
PAL: 50 fields/sec
NTSC: 60 fields/sec ;
PAL: 50 fields/sec
Minimum Illumination 0 Lux (IR ON) 0 Lux (IR ON) 0 Lux (IR ON) 0 Lux (IR ON) 0 Lux (IR ON) 0 Lux (IR ON)
Audio No No No No No No
White Balance Auto Auto Auto Auto Auto Auto
S/N Ratio >48dB >48dB >48dB >48db >48dB (AGC OFF) >48dB (AGC OFF)
Gamma correction >0.45 >0.45 >0.45 >0.45 >0.45 >0.45
Shutter Speed 1/50(1/60) 1/100000 1/50(1/60) 1/100000 1/50(1/60) 1/100000 1/50(1/60) 1/100000 1/50(1/60) 1/100000 1/50(1/60) 1/100000
Infrared Wave Length 850nm 850nm 850nm 850nm 850nm 850nm
Video Output 1.0Vp-p 75 Ohm 1.0Vp-p 75 Ohm 1.0Vp-p 75 Ohm 1.0Vp-p 75 Ohm 1.0Vp-p 75 Ohm 1.0Vp-p 75 Ohm
Power Supply DC 12V 300mA DC 12V 500mA DC 12V 300mA DC 12V 300mA DC 12V 300mA DC 12V 500mA
OperatingTemp 14 °F to 122 °F 14 °F to 122 °F 14 °F to 122 °F 14 °F to 122 °F 14 °F to 122 °F 14 °F to 122 °F








