1) селектор; искатель
2) селекторный [переключательный] разъединитель
3) блок автовыбора ( радиоканалов при разнесённом приёме )
4) авто избиратель ( переключения передач )
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- amplitude selector
- assignment selector
- automatic height selector
- band selector
- call selector
- channel selector
- color selector
- copy length selector
- data selector
- display selector
- exposure selector
- film speed selector
- final selector
- fuel selector
- group selector
- heading selector
- key-lock selector
- line selector
- line-space selector
- manual-to-automatic selector
- mode selector
- patterning selector
- pitch selector
- polarization selector
- pulse selector
- range selector
- relay selector
- ribbon color selector
- speed selector
- step-by-step selector
- step selector
- sync selector
- tandem selector
- time-interval selector
- time selector
- transition selector
- wave selector