Handheld 43quot TFT LCD Audio Video Security CCTV Analog Camera Tester 12V Output RJ45 Cable Test Monitor

Specification:
Display: 4.3" TFT Color LCD Number of
Pixel: 480RGB (H) x 272 (V)
Video In: Video In x 1 (BNC connector)
Export: 7 kinds of color bar signal output DC power out x 1 (Support CCD camera of power source/ Max electric currency 1500mA)
System Format: AHD-CVBS-NTSC / PAL
Battery Specification: Built-in rechargeable
Lithium battery: 3.7V 3000mA/h
Power Specification: External
power: DC 5V 1.0A
Adapter Dimension/ Weight: 178mm (L) x 110mm (W) x 40mm (H) / 350g
Question: Can this unit work on digital IP cameras as well as analog? This device is for viewing a standard analog camera. You need a computer or tablet and a network to be able to view an IP Cam. This device will not show a picture from the newer cvi cameras either. A IP Cam outputs through a built in webserver which is why you need a computer and network.
Question: Why can'tturn on the device? 1. Check battery power capability. 2. Check if correctly using the original manufactured re-charger. 3. Check if the re-charger is normal function.
Question: Why can't the image function normally? 1. Check if the camera connects correctly with the terminal of the mainframe. 2. Check if the power is on or off. 3. Check power volume. Please recharge if the power is run out.