Commonly Asked Questions

Q(1) (i)How far and coverage of a camera ? (ii)Can a lift capable to fix camera, does it clear ? (iii)In what extends a camera produce picture in screen during night time ? A(i)Depends on lens and requirement of actual size display on screen. A(ii)Yes. We often install. Depends on life span and brand to lift. Major cause of fixing camera in lift is Electro - magnetic field (EMF). A(iii)LUX can be obtain from specification. Eg. A full moon is ~ 0.1 lux.

Q(2) (i)What is the difference between indoor and outdoor camera ? (ii)What type of supplies needs to facilitate one camera ? (iii)What is the maximum distance from a camera to main equipment ? A(i)Outdoor camera must equip with water proof case (enclosure) to protect weather. Whereas indoor need not require protective of weather. A(ii)One power supply and 1 signal cable link to main equipment. A(iii)In normal circumstances, it is unlimited distance. But, if the signal weak, we will equip with video transmitter and receiver, or fibre optic cables.

Q(3) (i)How to prevent camera from sabotage by unwanted intruder ? (ii)What is the difference between digital and conventional system ? (iii)Can a digital system able to view world wide ? A(i)Proper concealed wiring and with uninterrupted position. A(ii)The difference between video tape recorder and computer hard disk recording is hard disk recording system can cope up unlimited recording period, further more, hard disk is easy to search evidence. With plenty of high end features. Whereas video tape recorder needs a lot of video tape and require more time and not user friendly. A(iii)Yes. Only video telephone system.

Q(4) (i)Can a digital system able to create multi user ? (ii)Can a digital system provide private security ? (iii)In what extends a digital system can be back up storage ? A(i)Yes. A(ii)Digital system able to provide multi level security. Eg MD able to fully control whole system. Security department only capable to view and evidence searching. (iii)Yes. Through CD burning or snap shot still picture vide floppy disk .

Q(5) (i)How to prevent an intruder access to our system ? (ii)What is Digital image watermarking ? (iii)What is the maximum quantity of camera can equip in one digital system ? A(i)Digital system capable of personnel password (changeable) to prevent unwanted intruder. A(ii)Digital image watermarking prevents image tampering a fingerprinted recording sequence and prevents image removal. A(iii)We provide 4, 8, 16 channel where 16 channel is the maximum input of camera.

Q(6) (i)What is zoom camera ? (ii)What is digital zoom ? (iii)What is pan and tilt (Ptz) system ? A(i)Zoom lens is capable of enlarge an image and display a clearer picture in screen. A(ii)Digital zoom can only perform in computer. When we enlarge an image through digital zoom, image will form an digitising resulted in poor picture output. A(iii)Pan and tilt able to produce 360 panning and up and down tilting. Pan and tilt is used for large area, with less camera install.

Q(7) (i)How soon a system can be service ? (ii)What if power failure happen ? (iii)Is my own PC share with digital surveillance system ? A(i)Recommended once a year service. A(ii)It depends on additional back up in your premises. Eg. Generator set or back up buster. A(iii)No. It is highly recommended on stand alone PC for surveillance system only.

Q(8) (i)How to prevent an lightning strike ? (ii)How IP camera function ? (iii)In what condition are provide underground cabling. How ? A(i)We provide video surge protector and power surge protector. A(ii)IP camera is a 100% digital CCD camera, where its output is using Cat-5 and no longer using BNC connector. The functions of the IP Camera depend on its component. Some c/w Intel processor and some is just the camera itself. A(iii)When it far away from building across the road, we will provide under ground cabling.

Q(9) (i)What is short term rental service for CCTV system ? (ii)In what condition we need high or low performance camera ? (iii)What is day and night camera ? A(i)Example:- Exhibition and temporary occupation of commercial building. Trial and rent basis. A(ii)Depends of requirement of clarity output in screen. A(iii)Day and night equip with filter change and can cope up with highly change of brightness.

Q(10) (i)What is normal defect for main equipment ? (ii)What is the normal defects if camera ? (iii)What is your sourcing and establishment of company ? A(i)Irregular of power supply and no proper shut down. A(ii)Irregular or power supply and over heating condition. A(iii)We provide direct principle products and owned our installation and technical team.