221203 ⎘
Discontinuous tuning; Selecting predetermined frequencies; Selecting frequency bands with or without continuous tuning in one or more of the bands, e.g. push-button tuning, turret tuner with variable tuning element having a number of predetermined settings and adjustable to a desired one of these settings operated by auxiliary power Settings determined by a number of positioning means mounted on a common support, e.g. turret tuner, which is adjustable to determined positions, a different positioning means being in operation in each position