12 VL-2000 Operating ManualInstallation & InterconnectionsFT-857/dBe sure both FT-857/D and VL-2000 are turned off, then follow the installation recommendation contained in the illus-tration.imporTAnT noTe !r The FT-857/D enables to connect only to the INPUT 2 connector. Set the INPUT switch to the “INPUT 2” side afterassemble the equipment.r The ALC cable must be connected between the transceiver and VL-2000 to prevent overdrive of the amplifier, andespecially to facilitate the proper operation of the protection circuitry if sudden antenna system problems should causethe SWR to rise to dangerous levels.r Do not attempt to connect or disconnect coaxial antenna cables when your hands are wet.noTer When the VL-2000 POWER switch is turned “off”, the exciter output is delivered as follows:¦ INPUT 1 exciter: delivers to the ANT 1 connector directly.¦ INPUT 2 exciter: delivers to the ANT DIRECT connector directly.r If you want to link the VL-2000 and FT-857/D POWER switches, set the VL-2000 REMOTE switch to the “on” po-sition.To link the FT-897/D and VL-2000POWER switch, set the VL-2000REMOTE switch to the “ON” position.