Is the PORT turned on in the K2? I think it is on the SEC menu. Also, the amp must be powered up first, if it is separately powered from the rig. NRE/COLE Test Center OH-3 pcarter<at>gcfn.org or wd8qwr<at>arrl.net Philip L. Carter, WD8QWR wd8qwr at w8cqk.#cmh.oh.usa.na