AMP 860 series indoor user amplifier's key components adopt imported high-grade material. It used for compensate TV signal because of circuit loss and suitable for MMDS, final-class of CATV network or in home less than 10 TV sets. The machine adopts imported low-noise amplifier and it also can use for single-channel or multi-channel antenna amplifier or public antenna system.Installation and operating • Before use the amplifier, test input level whether at the range of input level. You should adjust input level into it. • Output level can't be too high. Just keep every TV set level at 60~75 dBµV. Turning ATT knob to adjust output level. • When in thunder, to avoid lightning strike, you'd better turn off power supply. The amplifier used indoor only and avoid be affected with damp or high temperature. • Keep power supply voltage at common range. Too low voltage will cause figure quality bad.Structure1. Power supply2. Main signal output3. Tap signal output4. Power indicator5. Adjustable attenuator6. RF signal input