1. Introduction
The VM-HD4 is a 4 channel CCTV video multiplexer (quad processor) that works with HD-TVI, HD-CVI,
AHD, and Analog CCTV cameras (CVBS). Users can view live video from multiple cameras on a HD TV or
monitor at up to 4K resolution via HDMI video output and 1080p resolution via the VGA video output.
2. Features
● 4 channel BNC video input. Each BNC accepts HD-TVI, AHD, HD-CVI, and analog CCTV cameras (CVBS)
D1, 960H, 720p, 1080p, 2mp, 3mp, 4mp, 5mp, 8mp / 4K supported. PAL and NTSC compatible.
● For each channel, the brightness, contrast, saturation and hue can be adjusted.
● Support 2 channel CVBS output (NTSC：720X480, PAL：720X576).
● Support HDMI output selectable at 1024x768, 1280x1024, 1440x900, 720p, 1080p, and 4K resolution.
● Support VGA output selectable at 1024x768, 1280x1024, 1440x900, 720p, and 1080p resolution.
● Support multiple display modes: QUAD, 2CH (LEFT/RIGHT), 2CH(UP/DOWN), 3CH, single camera, PIP.
● The output channel of PIP mode can be selected in the menu.
● Hight performance FREEZE function.
● Channel auto sequence, the interval time can be adjusted in the menu (3~99 seconds).
●Digital ZOOM function.
● Video loss alarm.
● Users can operate device by keyboard and remote control.
3.Front panel
The KEY define：short key <1s，longkey >1s
●“MEUN/A/B”：long press to enter main menu, short press to enter QUAD mode.
●“FRZ/AUTO”：short press to enter freeze function, long press to enter autoseq function.
●“MODE/ZOOM”：short press to enter mode function, long press to enter zoom function.
●“ENTER”：enter button.
●“ ”：1CH/UP multi-function button.
●“ ”：2CH/DOWN multi-function button.
●“ ”：3CH/LEFT multi-function button.
●“ ”：4CH/RIGHT multi-function button.
4.Rear panel
●“CAM1~4”: 1~4CH video input。
●“OUT1~2”: CVBS output。
●“HDMI”: HDMI output。
●“VGA”: VGA output。
●“DC12V”: 12V power input。
