Product Features
High resolution picture quality
NTSC/PAL dual video system
Automatic screen switching function
Independent adjustment of channel quality
English language menu
Two picture-in-picture functions, one picture-in-picture display position is adjustable, and the channel is adjustable
Two screen functions, the display screen position is adjustable, and the channel is adjustable
Two picture-in-pictures, one picture-in-picture display position is adjustable, and the channel is adjustable
ZOOM electronic zoom function, you can choose any zoom area
High-quality picture freeze function, support the function of freezing multiple channel pictures at the same time under multi-picture display
Screen loss alarm function
60 groups of event records (mobile reconnaissance and image loss alarm records)
Can edit channel number arbitrarily
The screen position can be adjusted and the alarm time length can be set
Support infrared remote control operation
Detailed function parameters
Product Model | ST400 four-channel screen splitter |
Master chip scheme | TW2823 |
Standard | NTSC/PAL |
Real time | Yes |
Screen refresh rate | PAL system: 25 frames/sec; NTSC system: 30 frames/sec |
Total resources | PAL system: 150 frames/sec; NTSC system: 180 frames/sec |
Video standard | PAL system: 720 X 576, 25 frames per second; NTSC system: 720 X 480, 25 frames per second |
Language | Chinese/English |
Video input | 4 channels of video signal input, peak value: 1Vp-p, impedance: 75Ω 1 channel video signal input for video playback, peak value: 1Vp-p, impedance: 75Ω |
Video output | 1 BNC main monitoring output, peak value: 1Vp-p, impedance: 75Ω 1 BNC secondary monitoring output, peak value: 1Vp-p, impedance: 75Ω |
Audio | 4 audio inputs (RCA) 2 audio outputs (RCA) |
Automatic switching time | 0 ~ 99 seconds |
Video scheduling | Brightness, contrast, saturation, hue, sharpness adjustment |
Event log | Support 60 groups of event records |
Alarm duration | Programmable 2 ~ 999 seconds, the initial value is 4 seconds |
Screen display format | Sequence switching, single screen, picture-in-picture, screen freeze function, electronic zoom |
Operation method | Front panel, remote control, computer, 2/3D keyboard |
Power consumption | DC 12V, 4.5W (350mA) |
Working environment | Temperature -10℃ ~ 60℃, humidity 10% ~ 90% |
Gross weight | 0.5KG |
Product size | 145mm(length)*100mm(width)*25mm(height) |
Inner packing specification | 162mm(length)*130mm(width)*45mm(height) |
Outer packing specification | 340mm(length)*240mm(width)*275mm(height), 20 sets/carton |
Wiring diagram