1. The input ''VIDEO'' signal and the ''AUDIO'' signal through the multi-stage amplifier, and then each assigned a multi-channel signal in order to achieve the same signal shared by multiple TVs, and to reproduce the image clearly the distribution of results
2. Video input: 1Vp-p / 75 ohms
3. Video gain: 0db ≤ DG ≤ 1db
4. Audio input: 2.2Vp-p / 2 kilo-ohms
5. Audio gain: -3db ≤ DG ≤ 0db
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