TECHNICAL ISO/TS SPECIFICATION 9241-411 First edition 2012-05-01 Ergonomics of human-system interaction - Part 411: Evaluation methods for the design of physical input devices Ergonomiede I'interaction homme-systeme- Partie411:Methodesd'évaluationdelaconceptiondesdispositifs d'entree physiques Reference number ISO/TS 9241-411:2012(E) @ISO2012 Not for Resale ISO/TS9241-411:2012(E) COPYRIGHTPROTECTEDDOCUMENT ?ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either Iso at the address below or Iso's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 4122749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland ISO 2012 -All rights reserved ted without license from IHS Not for Resale ISO/TS 9241-411:2012(E) Contents Page Foreword Introduction .vili 1 Scope 2 Normativereferences 3 Terms and definitions 4 Guiding principles. 5 Evaluation methods... 5.1 Physical input devices ingeneral 5.2 Keyboards ... 10 5.3 Mice .22 5.4 Pucks 25 5.5 Joysticks 28 5.6 Trackballs 31 5.7 Touchpads 5.8 Tablets and overlays .. 37 5.9 Styli and light-pens. 40 5.10 Touch-sensitivescreens 42 6 Conformance 42 AnnexA(informative)OverviewoftheIs09241series. 43 AnnexB (informative)Testingofefficiencyandeffectiveness. 44 AnnexC(informative)Assessmentofcomfort. 51 Annex D (informative) Usability test forkeyboards Bibliography.... 62 Figures Figure1-Sideview of example joystick. 3 Figure2Exampleof light-penagainstdisplay... Figure3-Topviewofexampleoftabletwithgraphicoverlay.. Figure4-Topviewexamplesoftwotypesofpuck. Figure 5-Side view of example of stylus over graphics tablet... Figure6-Exampleoftopviewoftrackballdevicewithbuttons.... Figure 7 Illustration of flat, concave and convex keytops.... 14 Figure8Measurementofkeytopwidthand depth.... Figure9-Measurementofkey displacement.. Figure10—Relationshipbetweenkeydisplacementandkeyforce(Is09241-410:2008,FigureB.3)..15 Figure 11Measurement of character height .... Figure12—Measurementofverticalandhorizontal distancebetweentwoadjacentkeys Figure13Measurement of slope ofkeyboard. 18 Figure 14Numeric keypad layout ... Figure B.1Relationship of index of difficultyto time 47 Figure B.2 -One-directiontappingtask. 48 Sonal organization for Standardizallon'ghts reserved ii from IHS Not for Res