We had an old pioneer sound system which had a big volume knob. You could turn it by hand but if you used the remote it would turn when you turned volume up and down. Possibly these are similar where they automatically tune and turn but allow for manual interaction in case of emergency.
We had an old pioneer sound system which had a big volume knob. You could turn it by hand but if you used the remote it would turn when you turned volume up and down. Possibly these are similar where they automatically tune and turn but allow for manual interaction in case of emergency.