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asat

ASAT - Enterprise Intelligent Network

The above screens are part of a process monitoring system designed for ASAT, the largest IC packaging firm in Hongkong.

The screens for the system are designed keeping in mind specifically the environment in which they will be viewed and used as also the computer literacy and time availability of the various user groups. Listed below are some of the key features of the screen design and the reasons for the same:

1. Black/dark background - since a lot of screens will be viewed "at a glance" and need to convey a basic impression/picture before any detail, bright colors on black have been used. These can be viewed from a distance (sp. on the production floors) for a first level of information.

2. Large buttons - considering the lack of computer savvy of most user groups, the need for minute mouse control has almost been eliminated from the screens. Large buttons with keyboard control alternatives (to be later replaced by touch screens) make interaction simple.

3. Few options per screen - considering the short time a user will actually spend at the computer, the information and screens have been designed to minimize complex interaction. Most screens have only one decision point and follow a "wizard-like" approach to the navigation.

4. Color coding - all information in the system is carefully color coded and reflects the colors the user groups are already accustomed to. E.g. the red, green and yellow lights on the machines are represented on the screens to show machine status.