Robert M. Kimbrell wrote: > On Tue, 2 Dec 2008, Debbie Fligor wrote: > >> The other reason they don't have this is when the speaker-mic cable is >> connected, the built-in mic and speaker on the HT don't work. When the >> RS232 cable is connected, they do. >> > > The speaker-mic cable does not disable the internal mic. I verified this > before buying it because I wanted to use an external speaker while mobile. > The radio has surprisingly abundant audio with an external speaker. > > Bob Kimbrell W7KU Kansas City, MO Bob,
I tried this arrangement with an external speaker and my external mic would not key the transmitter until I used both sides of the mic plug. Are you using the radio PTT switch with external speaker? I can see where that would work but be unhandy if coupled to an external antenna. 73, Nick WB4SQI
