Have a 380 that i purchased a housing and the rubber keypad for to convert to dtmf. However when i transmit it will not send DTMF on ch.
Frank N3OBL
FF/EMT
TK380 adding keypad
Moderator: willbartlett
2 n3obl
No way to do what you want, because chip-resistiors (which installed in DTMF-lines) in PCB of non-DTMF TK-x80 portable radios are NOT installed at factory
Look on your keyboard PCB - you can see places for chip-resistiors.
You must replace keyboard PCB with another one where these resistors installed.
No way to do what you want, because chip-resistiors (which installed in DTMF-lines) in PCB of non-DTMF TK-x80 portable radios are NOT installed at factory
Look on your keyboard PCB - you can see places for chip-resistiors.
You must replace keyboard PCB with another one where these resistors installed.