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The 811 is a high-quality test generator for video and audio signals, and it shows 74 static or moving test models in s- Video (Y/C) and composite video formats. It also displays in component and SDI formats. The device also outputs black burst, variable amplitude, and frequency audio tones. You can select NTSC or PAL output. The user can rack mount side-by-side two units in a 1U rack space with the redundant RK-1 adapter. The 811 is a substitute of 820.

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