[Elecraft] Using Elecraft KPA-1500 for 2 radios

I own a Flex 6400 and an Icom 7700. I currently have the amplifier connected to the Flex. There may be times I want to use the Icom 7700. Other than disconnecting the send and control cables from the 1500 that go to the Flex and plugging in the same cables from the 7700 is there any other

[Elecraft] Remote On/Off KPA-1500

Hello: I recently purchased a KPA-1500 amplifier. I would like to be able to turn on the amplifier remotely. The manual says to apply 12v to the REM jack. I was wondering if anyone is doing this and what they are using to apply the 12 volts. Thanks, Charlie W3DDF