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Word Count: 1,689
In todays society many products are released into the market without first going through a proper evaluation phase Designers must take into account the needs of the user by inviting prospective consumers to evaluate their products and to point out improvements in the interface or design When designers fail to incorporate the users needs the products economic success is in serious jeopardy If the product is too hard to operate then the consumer may opt for a better version often looking toward the competition to have their needs met In order for a product to be successful in todays market user-based evaluation must be incorporated in the design processThis paper will critique the interface design of the Pioneer DEH-P6200 in-dash CD-player Pioneer has revolutionized the car stereo industry with its latest line of CD-players The DEH-P series offers the user with all the functions of a regular CD-player along with some added components and extras Each in dash car stereo in the series includes a multi-depth CD-player 8cm and 12cm car alarm equalizer and a built in sub-woofer amplifier all in one Unfortunately all the extras included in the DEH-P6200 add functionality which in turn requires increased time for learning and much more for the user to commit to memory Intermediate to advanced car stereo users those who have owned or installed a car stereo should have no trouble learning to operate the DEH-P6200 Due to some failed design conventions many first time car stereo users may struggle and may not be able to operate this device at allAt first glance the user may have trouble finding the most important button the main power button Located near the lower left side of the interface the power button is a small round button labeled SOURCE The button has a green illumination which catches the users attention but size and location seems to decrease this buttons ease of use Since this is one of the most important
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