main sweep

main sweep

[′mān ′swēp]
(electronics)
On certain fire-control radar, the longest range scale available.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Plates covering light switches and wall outlets and covers on air conditioning and heating systems must be removed in preparation for the main sweep.