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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
CMD520
CMD560
CMD600
Image Sensor
1/3.6" CMOS
1/3.6" CMOS
1/3.6" CMOS
1/4” CMOS
Effective Pixels
NTSC:(H)648*(V)488
NTSC: 656(H)X492(V)
NTSC: 656(H)X492(V); PAL 768(H)
X576(V)
NTSC: 656 (H) X 492 (V), PAL: 768
(H) X 576 (V)
Horizontal Resolution
420 TV Lines
520TVL
560TVL
600TVL
IP Rating
54
54
54
66
Number of infrared LED’s
32 IR LEDs
32 IR LEDs
32 IR LEDs
32 IR LEDs
Night-Vision Range
50 Ft.
80 Ft.
80 Ft.
80 Ft.
Indoor/Outdoor
Indoor
Indoor
Indoor
Indoor
Lens
6mm
6mm
6mm
6mm
View angle
34º
34º
34º
48°
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
Minimum Illumination
0 Lux (IR ON)
0 Lux (IR ON)
0 Lux (IR ON)
0 Lux (IR ON)
Audio
No
No
No
No
White Balance
Auto
Auto
Auto
Auto
S/N Ratio
>48dB
>48dB
>48db
>48dB (AGC OFF)
Gamma correction
>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
Infrared Wave Length
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
Power Supply
DC 12V±10% 300mA
DC 12V±10% 300mA
DC 12V±10% 300mA
DC 12V 300mA
OperatingTemp
14 °F to 122 °F (-10 °C to 45 °C)
14 °F to 122 °F (-10 °C to 50 °C) 14 °F to 122 °F (-30 °C to 50 °C)
14 °F to 122 °F (-30 °C to 50 °C)