Led284k 28” 4k widescreen led security monitor – metal housing rev. 101717 3625 cincinnati avenue, rocklin, ca 95765 ♦ 855-388-7422 ♦ www.Northernvideo.Com user manual led284k.
1 contents important information ..................................................................................................................... 2 safety warning .............................................................................................................................. 2 not...
2 important information safety warning to use the product safely, correctly, and to keep users from suffering injury or property loss, please observe the following safety precautions when installing, using or maintaining. Please read this handbook before operating the product and keep the handbook f...
3 notes please put the product in a flat, stable and dry place. Avoid direct sunlight, high temperature, humidity, dust, and corrosive gas. If the product is installed on the wall, please make sure the wall’s load bearing capacity is sufficient. To avoid falling and injuring people, install accordin...
4 introduction to the product product appearance （photos are for reference only） performance features supports 3d comb-filter and 3d de-interlace. low energy consumption, long service life. high contrast ratio and high luminance. automatically eliminates ghosting. rapid response times, no ...
5 external connections please connect the monitor to external devices according to the following i/o interface list. Choose the corresponding incoming signal channel. Vga input: d-sub 15 pins connector hdmi input: hdmi connector bnc in: bnc connector bnc out: bnc connector audio in: phone jack, ster...
6 (7key) a. “source” button press the button to display all the signal channel menus. B. “upward” button press the button to move the cursor to the needed function. press the button to change the selected function in osd menu item. C. “downward” button press the button to move the cursor to ...
7 picture menu picture menu can set color temperature, aspect ratio, noise reduction, and picture mode. Press ▲▼ button to adjust value when item is selected, press menu button to exit. Sound menu audio menu can set balance, automatic volume calibration, surround sound, eq, and sound mode. Press ▲▼ ...
8 screen menu screen menu can adjust the h-position, v-position, clock, phase and auto adjust the position of the image within the unit. Press ▲▼ button to adjust value when item is selected, press menu button to exit..
9 channel selection “source” menu can select channel (input). The options include vga, hdmi and so on. Press ▲▼ button to adjust value when item is selected, press menu button to exit. How to clean product 1. Please wipe dust and other particles off with a clean soft towel. 2. If it is still not cle...
10 fix 1 switch to another channel or input. 2 check whether the signal line is connected. 3 check whether the signal line is connected. 4 interference from by other electric appliance may be present. 5 adjust fine tuning setting. 6 adjust luminance setting. 7 adjust contrast ratio setting. 8 adjust...
11 dimensions.
12 specifica ons specific led284k video system ntsc/pal (auto sensing) max resolu on 3840x2160 ve) supported 720x400;640x480;800x600;1024x768;1280x1024; 1920x1080;3840x2160； 3d comb filter yes 3d de-interlace yes osd (on screen display) yes backlight led a ve display area 28" diagonal impedance 75 ohm...
