sense switch

sense switch

[′sens ‚swich]
(computer science)
alteration switch
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

sense switch

A switch in the direction finder that introduces a sensing circuit in the receiver. It is used to determine the true null position and helps in resolving 180° ambiguity. Such a switch is found in the older manually operated as well as older automatic direction finders. See sense aerial.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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This is such a common sense switch that will save everybody time and effort.'
Most PWM ICs sense switch current so that a switching cycle can be terminated if the current through the device becomes excessive.