[Hamlib-developer] Question about detecting manual changes on the transceiver via Hamlib

[Richard E. <DO...@ho...>]

Dear Hamlib community,

I have a question regarding the detection of manual changes made directly on a transceiver while using Hamlib.

Is there a way to immediately react to such changes—like someone turning a knob to change the operating mode or adjusting the VFO frequency—without having to continuously poll the device? Do transceivers actively notify the host about such changes via the CAT interface, or is polling required to detect them?

If polling is indeed necessary, what would be a good interval to use? Would 500 milliseconds be acceptable, or would one second be more appropriate to avoid overloading the interface?

I’d greatly appreciate any clarification on how to best approach this.

Best regards and 73,  
Richard  
DO9RE