Suppose you think a desired station is on a frequency with his/her FLARQ station active . You think that perhaps the station is set to PSK250 and you know that conditions are way too poor for a PSK250 exchange . If that station has RS ID on receive activated (and we all know we should always do this, right? ) you can switch the desired station over to a more suitable mode. If you send an RS ID, that should change the other station too (it actually depends on their settings, but it is possible. ) . You don't get any confirmation that the other station successfully changed modes though. It is possible that if conditions are poor the RS ID will not be detected. I usually send the RS ID three times just as a precaution. Then , using FLARQ, enter the desired call sign in the little callsign box and press "connect". FLARQ will use the mode you established and try an ARQ conenct with your desired station. If connected, you can send the email or file and even have a keyboard chat via the "plain talk" feature.
