if you are using a dectalk express, the synth keyword is: dectlk i may be wrong about that, but i'm pretty certain that decext is for the dectalk external (the older model from the late 1980s).
if you are using a dectalk express, the synth keyword is: dectlk i may be wrong about that, but i'm pretty certain that decext is for the dectalk external (the older model from the late 1980s).