[Elecraft] New transmit monitor
giw at bellsouth.net
giw at bellsouth.net
Tue May 19 11:04:56 EDT 2015
After waiting for 4 years, I was very disappointed that the new monitor in addition to the RF views did not provide a way to look at the transmit audio in the pass band in the same manner as it does for received SSB audio. All of the newer Icom Rigs have this capability.
On numerous occasions I have briefly seen my own audio show up during transmit but as soon as speech is paused, the P3 reverts to receive and on transmit the scope freezes. I have been told this occurs when a pin on the RS232 makes and intermittent poor connection. The same thing can be forced by pulling the RS 232 input to the P3. I am also told that this ability is the result of a “stray” pickup. In my case the strength of the stray pickup, when it occurs, has always been enough to provide a good view of my audio if I am running 100 watts. By making some pick up changes the strength of this stray signal could be increased or amplified.
It would seem very possible to have a menu selection that would allow the P3 to break the connection upon transmit to allow you to use the display to set up your own audio and to see what is happening at the audio level. The P3 now shifts back and forth from receive to transmit and instead of freezing the display during transmit, in a new mode it would allow your own audio to display in the pass band instead of the new SSB view.
It might even be done on a manual basis by having an RS 232 adapter in the line that would have a manual switch connected that would open and close the line. This would only be used when working with your own audio. In this case the new modes would have to be turned off to take the P3 back to where it is now.
Any one else have any interest in the above or any experience in this area??? Wayne, Eric or Al any comment please.
More information about the Elecraft
mailing list