Proxima 9260 Spezifikationen

1 CS6021 - Foundations of Interactive Media – Cooperative Evaluation Project InFocus - ‘Promixa 9260’ LCD Projector Cooperative Evaluation Pro

10User Five Date 14/12/04 Sex Male Age 18 - 25 Occupation Undergraduate Previous experience with the 9620 No Previous experience with any

11 User Eight Date 15/12/04 Sex Male Age 25 - 35 Occupation Postgraduate Previous experience with the 9620 No Previous experience with an

12Focus of Evaluation The first area of study is the remote control for the projector. This artefact is very important feature of th

13 The final section of the evaluation is concerned with identifying the individual users for the evaluation. In this respect, we created a short

14and questionnaire, the space itself, all of the equipment, and the feelings expressed during the evaluation. It is important for t

15was used to take close up images of the projector, remote control and the integrated menu. The tasks were laid out in such a

16The Interactive Media lab environment was less than ideal for the purpose of a “Think Aloud” evaluation. The reason being that the lab

17 In addition, we provided an introduction on the next page preceding the task list, which we asked the users to please read first.

18The users were not given any time to familiarise themselves with the projector, remote control, menu or the operators manual prior to beginning

19choice and the mental processes they go through when attempting to solve a problem. Task Selection This evaluation is interested in

2 Table of Contents LCD Projector...1

20prompted the user to explore the functionality of both the remote control and the integrated menu. The users were each given

214. It is necessary to set up the projector for use by a French delegation later tonight. Please attempt to change the inter

22 The user was given the remote control and told to begin. One of the evaluation team used a video camera to capture to actions of the recruit, fo

23also allowed users to gauge how they felt about the evaluation and the projector. There were a couple of recruits who also used the space at the

24_______________________________________________________ Overall how hard did you find the tasks to complete? Very Hard: ___ Hard:

25 The Evaluations User One Task One: Please turn on the projector. This user took time to locate IR sensor located at the rear of t

26projected on the screen. Please utilise the Visual Zoom feature to zoom in and out with the picture. After initial failed attempts to operate th

27 Summary: This user expressed that she felt that the tasks set where hard to complete. This could be due to her lack of previous experience with

28Task Five: The French delegation has just cancelled their session for tonight; please reset the language to English. User easily completes the ta

29Summary This user was one of the youngest surveyed in our group aged seventeen. He expressed that he felt the tasks laid out for him w

3Bibliography ...56 Appendix...

30The clearly marked zoom function on the remote makes this task easy for the user Task Seven: Please switch between the ‘Computer Input’ and ‘V

31User Four Task One: Please turn on the projector. Task completed without any problems. Task Two: Once the projector has been started u

32 Task Nine: Please select the ‘widescreen’ in order to view a DVD in it’s preferred format. Similar concerns as the last task are expressed by

33Task completed without any problems. Task Five: The French delegation has just cancelled their session for tonight; please reset the language to

34User Six Task One: Please turn on the projector. User points remote at side to projector, then locates the IR sensor at the back of the project

35Task Nine: Please select the ‘widescreen’ in order to view a DVD in it’s preferred format. Task completed without any problems. Task Ten: Pl

36 Task Five: The French delegation has just cancelled their session for tonight; please reset the language to English. Task completed without any

37the remote IR sensor is located at the rear of the projector. Task Two: Once the projector has been started up, utilise the integrated

38Task Eight: Because of the low light in the room, it necessary that you adjust the brightest control of the projector. The thumb st

39 Task Four: It is necessary to set up the projector for use by a French delegation later tonight. Please attempt to change the interface l

4and what problems we encounter in the pilot study. The evaluations we then be discussed followed by an analysis and recommendations of how we fee

40Summary User found tasks easy.

41Analysis of Evaluation Once all the evaluations were carried out the group sat down and studied the recording of the tapes. Th

42• Cognitive Affordance • Physical Affordance • Sensory Affordance • Functional Affordance It is worthwhile to look at the remote cont

43interfaces warning against using just graphics he also warns against just using one word to describe what in the menu (Norman 2003).

44of the main areas in which the projector failed to accommodate users. Even when the users stood behind the projectors they had problems

45 Good sensory affordance on the remote controller is the yellow colour of the laser button. This helps the user locate the b

46Physical Constraints Physical constraints limit possible operations. The fact the projector is attached to the ceiling limits the user t

47button but used their logical when asked to use it by pressing the button that said ‘laser’ on it.

48Further Analysis and Recommendations The tasks set for our group of users where specifically aimed at the projectors remote control and on

49and control. It compromised of numerous left to right drop down boxes, once again the GUI design reflects the remotes design in that it

5 The Proxima 9260 Proxima (now called AskProxima after a merger with Ask) is a brand of the InFocus Corporation. InFocus was founded i

50particular operational style was adopted. However the apparent and obvious lack of a user-friendly interface has led to changes

51 Our amendment would locate a 360 degree IR sensor, similar to those used in motion detection systems, these would not be recessed but bulb shaped

52 The second problem we would address would be the layout of the remote control itself. When one looks at control system on th

53 The main issue our users had with the remote interface was the lack of clear indication as to the thumb sticks function. It is similar in many wa

54recharging cradle could also be incorporated to ensure optimum performance under such a power consuming condition. The last area in n

55Conclusion We undertook the cooperative evaluation of the Proxima projector because of observations we had made of its operation throughout the

56 References Hartson, R. (2003). "Cognitive, physical, sensory and functional affordances in interaction design." Behaviour and informa

57Appendix A note on the set-up of the Proxima projector in the Interactive Media lab The actual set-up and wiring of the projector in the lab w

58 A little effort has been made to label each connection, but it still appears as a crazy mess to anyone who may be seeking to fix a

59technical damage to the systems connected. Furthermore, of great importance in the day-to-day use of projectors is that they h

6 InFocus conducted extensive research that led them to realise that “easy set-up, management and usability are of primary importa

7Preparing The Evaluation The goal of this study is to conduct a cooperative evaluation of the InFocus Proxima 1690 Projector in terms of its de

8• Using the integrated menu functions (shown below) The target test group was selected in order to represent the typical users tha

9User Two Date 14/12/04 Sex Male Age 15 - 18 Occupation Undergraduate Previous experience with the 9620 No Previous experience with any