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Guide me GuideMe A Mobile Augmented Reality System to Display User Manuals for Home Appliances Lars Mu ?ller Ilhan Aslan and Lucas Kru ?? en FZI Research Center for Information Technology Karlsruhe Germany ICT S Center University of Salzburg Salzburg Aust

GuideMe A Mobile Augmented Reality System to Display User Manuals for Home Appliances Lars Mu ?ller Ilhan Aslan and Lucas Kru ?? en FZI Research Center for Information Technology Karlsruhe Germany ICT S Center University of Salzburg Salzburg Austria Abstract In this paper we present GuideMe a mobile augmented reality application that provides assistance in using appliances In order to explore how users perceive GuideMe as a design of an interactive and digital manual we conducted two user studies We compared GuideMe ?rst with paper-based manuals and then with video-based manuals Our results indicate that the paper-based manuals were superior regarding typical usability measures i e error rates and completion times However participants reported a signi ?cantly higher perceived task load when using paper-based manuals Due to a better user experience GuideMe was preferred by of participants over paper-based manuals We present our design in detail and discuss broader implications of designing digital manuals Furthermore we introduce a custom format to de ?ne manual structures for mobile augmented reality enabled manuals Introduction Many of today ? s challenges in designing interfaces relate to the spread of technology to our homes and everyday lives with a shift from a rather narrow taskorientation to qualities of everyday experiences For example ten years ago a baking oven would be operated by choosing temperature and mode Today an oven can be programmed to start at a prede ?ned time with a prede ?ned temperature and several operation modes Interfaces of everyday products in our homes have gained in complexity Getting familiar with all the features that such a product provides is challenging In order to assist users to handle their appliances and consumer electronics manuals are created by technical writers and illustrators who carefully describe the operation of the product However very few people enjoy interacting with a manual i e going through a book consisting of technical writings and illustrations to ?nd out how to operate a system or to solve an existing problem O ? the shelf mobile devices could be used as digital manuals and thereby performance and the user experience of interacting with manuals could be improved However designing a digital manual based on inspirations taken from physical manuals can be a cumbersome task In this paper we present GuideMe a design that aims at exploring alternatives to traditional paper-based manuals GuideMe is an interactive ??digital ? D Reidsma H Katayose and A Nijholt Eds ACE LNCS pp ?? c Springer International Publishing Switzerland CGuideMe A Mobile Augmented Reality System manual informed by properties of mobile devices and augmented reality technology Hereby our intention was to make use of people ? s familiarity with mobile devices and create a design that would be timelier and exciting to use This paper is structured as follows In the next section we provide the background on mobile augmented reality and current practices for user manuals Then we discuss in more general how GuideMe ?ts into current concepts and notions in interaction design Building