The earphone connection provides an alternate receive audio output so any transmission mode where you do not need to listen to audio during transmission could use the earphone connection if the SDR software provides that alternate receive audio path.
73, Tony KB9YIG ----- Original Message ----- From: Michael E. Califf,Sr. To: [email protected] Sent: Friday, June 06, 2008 11:20 PM Subject: [softrock40] Re: RxTx V6.2 - Head phones? So, as I read it, under normal circumstances a person really doesn't need to connect the earphone connector??? I didn't understand the phrase about use with PSK31 it is not needed?? Mecsr MikeSr AB7OC
