Specifications

18
The users were not given any time to familiarise themselves with
the projector, remote control, menu or the operators manual prior to
beginning the evaluation. The evaluation team felt that this might
detract from the honesty of the users initial experience during the
evaluation itself. During the evaluation the users were encouraged to
utilise either the Help Index or PDF Operators Manual, which were
available to them if they wished to solve a problem. In this way the
interaction between the evaluation team and the ‘recruits’ was kept to
a minimum, protecting the integrity of the evaluation and further
simulating a real world experience for the users. Allowing the user to
access the manual meant that the evaluation team could also assess
how easy and accessible the manual is with regards to the user trying
to find the solution to specific problems.
This picture illustrates the help desk set-up provided for the users during the
evaluation.
The Proxima projector is designed to be as easy to operate as a
typical Television and bearing that in mind no special training or
familiarity should be required on the part of user to successfully
complete the generic tasks we asked them to perform.
The evaluation method used in the study is the thinking out-loud
method. Utilising this method the user explains verbally what they are
thinking and doing while using the Proxima Projector and the
conductors of the evaluation record these comments on video for more
detailed analysis later. The rationale behind this method is to try and
learn what the user is experiencing when faced with a problem or