CCTV Tester Display Screen size: 3.5"
Compat Size, Portable
Pretty Competitive price
>>> 3.5-inch TFT display screen
>>>PAL / NTSC standard Automatic Identification
>>>12V/500MA Emergency output
>>>Audio and video input
>>>USB Universal Charging Interface
>>>3 minutes’ non-video automatic sleep, access-video-to- wake-up feature How to use:The main function of AT-1000 Security Tester is to show the front camera image, being convenient for debugging the camera’s focal length, focus and angle position.
At first, please tie the wrist strap to the wrist or fixed bracket.
Power-on: turn the power switch to the ON position and the power indicator lights up. In case of non-video, it will be black or colorful screen (it varies according to the difference of the decoder chip). After accessing to video, images can be displayed properly. Power-off: turn the power switch to the OFF position directly. Access to audio and video: insert 3.5MM plug of audio and video lines directly into audio interfaces, connecting the other end to the camera. In case of power-on, you can observe video image directly. The audio is built in amplifier, so it can be directly connected to the monitor or other audio suppliers, and then you can hear the sound from the speakers.Parameters