Ahh and the light bulb comes on ! I'll try that when i get home.
Thanks Andrew KC2EUS / GM1YMI --- In [email protected], "kk2ed" <kk...@...> wrote: > > --- In [email protected], "kc2eus" <kc2eus@> wrote: > > > > Hi, > > I added an external controller to our club's repeater. I used the > > instructions found on the RB website to disable the internal controller. > > > > What that paper does not cover is how to re activate the TX PL tone. Does > > anyone happen to know how to get that working again ? > > > > TIA > > Andrew > > KC2EUS / GM1YMI > > > > It's been a few years since I played with the 1520/4020 units, but if memory > serves me correctly, you'll need to enter in the DTMF command to tell the > internal controller to enable the pl encoder. The internal factory > controller also controls the state of the tx's pl encoder. Each time the > power is reset to the RP1520, you'll have to go through the procedure of > entering the command. The other option is to study the schematic and > permanently set the logic state between the CPU and encoder chip. > > Hopefully you only disconnected the "TX" side of the internal controller (ie: > tx ptt and tx audio), and left the factory controller still attached, so as > to decode incoming dtmf tones. > > > > Eric > KE2D >
