On 1/30/07, Jack Taylor <jack at n7oo.com> wrote: > Could a BC-610E owner kindly advise me of the dimensions of the PA plate tuning knob? My > unit is missing the knob and what appears to be a locking mechanism. Same as the earlier HT-4s and SX-28 - steering wheel-type knob w/numbered metal skirt, pinch-type locking mechanism. ~ Todd, KA1KAQ