acknowledging device
 

* 1.A manually operated electric switch or pneumatic valve by means of which, on a locomotive equipped with an automatic train stop or train control device, an automatic brake application can be forestalled, or by means of which, on a locomotive equipped with an automatic cab signal device, the sounding of the cab indicator can be silenced. (49CFR236)

English Related Words* absolute device

* absolute-value device

* absorbing device

* acknowledging

* acknowledging time

* acoustic device

* active device

* add-on device

* aiming device

* aircraft detection device

* aircrew training device

* analog device

* anti-ribboning device

* anti-watching device

* anticountermining device