VIDEO 2 – GRAPHIC INVERTER
VIDEO 2 – GRAPHIC INVERTER displaying of camera pictures on LCDs
Graphic inverter board displaying of video signals in the formats PAL, NTSC or SECAM with automatic format detecting/switching.
DESCRIPTION
INPUT: max. 4 channels, to select from 4xCVBS, 2xS-Video or 1xCVBS + 1xS-Video. The display resolution may range from 640×400 up to 1024×1280 Pixel. The appropriate settings of the display will be performed by jumpers.
ACTIVATION
The actuation may be digital by 3×6 Bit or 3×8 Bit. The output to the display is wired to a TTL- and parallel to a LVDS connector. There is an adapter available to attach displays with dual-pixel format that is plugged on the 66-pin row of connectors. Some other adapters are available for double-LVDS or digital actuation of different displays.
SETTINGS
5 pushbuttons on the PCB allow the parameter settings (picture position, phase), alternatively an external keyboard (option) or a serial interface may be used. The board provides an automatic mode but from experience there should be a manual phase setting after the automatic adjustment in order to get an optimal picture. An on-screen-menue will guide the operator.
VIDEO SYSTEMS:
The following video systems will be detected automatically:
| NTSC M 60Hz |
NTSC 4,43 60Hz |
NTSC N 50Hz |
SECAM 50Hz |
| PAL BGHI 50Hz |
PAL M[nbsp]60Hz |
PAL 4,43 60Hz |
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| SVIDEO 50 Hz |
SVIDEO[nbsp]60Hz |
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A display-specific cable (standard lenght 30 cm) provides connection between VIDEO 2 board and display input. To select the proper cable the display type and its producer have to be specified when ordering.
VOLTAGES
Power input voltage: 9 – 36 VDC. Power output for B/L-inverter: 5- or 12VDC, max 1A. If a regulated 12V output is essential for the inverter, the voltage input of the board should be 14VDC minimum !
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