1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 . TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU-!).4%.!.#%G0G0/&G0G0).4%2.!4)/.!,3/5.$G0 G002/2!-%G0G0!.$G0G04%,%6)3)/.42!.3-)33)/.G0G0#)2#5)43-%!352%-%.43G0G04/G0G0“%G0G0-!$%“%&/2%G0G04(%G0G0,).% 50G0G00%2)/$4(!4G0G002%#%$%3G0G0!G0G04%,%6)3)/.42!.3-)33)/
2、.)45G134G0G0RecommendationG0G0. (Extract from the “LUEG0“OOK)NOTES1 ITU-T Recommendation N.61 was published in Fascicle IV.3 of the Blue Book. This file is an extract from theBlue Book. While the presentation and layout of the text might be slightly different from the Blue Book version, thecontents
3、of the file are identical to the Blue Book version and copyright conditions remain unchanged (see below).2 In this Recommendation, the expression “Administration” is used for conciseness to indicate both atelecommunication administration and a recognized operating agency. ITU 1988, 1993All rights re
4、served. No part of this publication may be reproduced or utilized in any form or by any means, electronic ormechanical, including photocopying and microfilm, without permission in writing from the ITU.Fascicle IV.3 - Rec. N.61 1Recommendation N.61Fascicle IV.3 - Rec. N.61MEASUREMENTS TO BE MADE BEFORE THE LINE-UP PERIODTHAT PRECEDES A TELEVISION TRANSMISSIONThe national television circuits should be so adjusted that, when they are connected to the internationaltelevision link, the amplitude of the video signals at the video interconnection points is in accordance withRecommendation N.60.
