Push to talk?

Rick Takagi (rick206@halcyon.com)
Mon, 17 Jul 1995 08:40:27 -0800

can someone please explain what exactly the "push to talk" button does,
does it just allow you to speak or does it serve another function? When i
push it to talk, the meter that meausres the audio drops down to nothing
and does not move when speaking into the mic......help?