
DoorGuard300
7. FREQUENTLY ASKED QUESTIONS
There is no image
Check if the power cable is properly connected to the power socket.
Check the position of the button for minimum and maximum contrast, and turn the wheel on the side to select the best image.
Check if the connectors are properly fixed
There is no sound
Check if the connectors are properly fixed
The image is hazy (clouds)
Check if there are interferences in the surrounding area. For example a high voltage cable, electric appliances etc.
Check if the 75 Ohm switch is in the right position; ‘Off’ in case only one monitor is used, and only in case multiple monitors are used, the switch of the last monitor should be on ‘On’.
Do you still have questions?
Please check out www.marmitek.com for more information.
8. TECHNICAL DATA
Monitor |
|
Resolution: | 380 picture lines |
Power supply: | 230V AC DC 15V |
Screen: | CRT: 4"/ 10cm Flat Tube |
Bell sound: | |
Power consumption: | Max 10 Watt |
Door open switch: | Max DC24V/1A or AC24V/1A. |
Dimensions: | 90x236x52mm |
Camera |
|
Resolution: | 352x288 Pixels |
Camera: | CMOS Black&White |
Lens and angle: | f3.6 - 70˚ |
Min. illumination: | 0,1 LUX |
Night vision: | 4 Infrared LEDs |
Sound: | |
Material: | |
Dimensions: | 58,5x134,5x40mm |
ENGLISH
DOORGUARD300TM | 7 |