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Electronic voice alert (EVA) was an option available on many Chrysler K-car-based vehicles in the mid-1980s. Using technology from Texas Instruments similar to what was used in the Speak & Spell, the EVA would automatically lower the radio volume and deliver eleven different spoken warning messages (24 on certain models) to drivers using a speech synthesizer. The EVA module was a small box that was located under the vehicle's dashboard. When a fault was detected, the module, which was not only connected to the vehicle's many systems, but also to the front driver's door speaker and factory radio, would mute the radio, emit three, short beeps through the vehicle's speaker, and then play the recorded vocal warning twice, un-muting the radio after it was finished playing the warning message. After the fault was corrected by the driver, the system would then play a polite "Thank You" message instead of a warning message. The system was usually paired with a digital dashboard display, and/or a computerized warning system screen, which was later referred to by Chrysler as the Electronic Vehicle Warning System (VIC or EVIC). In earlier-built vehicles equipped with the EVA, if the driver wanted to silence the EVA, he or she would have to pull the appropriate fuse in the fuse panel that would then disable the system. On later-built vehicles equipped with the EVA, a small rocker switch was placed either on the dashboard, or in the glove box, that would turn off the EVA, and could be turned off by the driver if he or she deemed it necessary to do so. Since the EVA was connected directly to the vehicle's factory radio and front driver's door speaker, replacing it with an aftermarket or even later Chrysler-manufactured factory radio would defeat the system. The EVA was available on the Chrysler LeBaron, Chrysler Town and Country Wagon, Chrysler LeBaron Mark Cross Edition, Chrysler Fifth Avenue, Chrysler New Yorker, Chrysler Laser, Dodge Daytona, and Dodge 600 between 1983 and 1988. Models sold in Canada accommodated both English and French. Models sold in Mexico spoke Spanish. A similar system was available, called the "Vocal Warning System", in early-to-mid-1980's Datsun and Nissan-built vehicles, but unlike the EVA, instead of an electronic chipset inside the unit and instead of using the vehicle's factory radio and front driver's-side speaker to play the recorded warning messages, the Nissan system used a small, plastic phonograph record. When a fault was detected, the Vocal Warning System would start the "record", drop the needle into the "groove" that had the recorded message, and play the message, lifting the needle off the "record" and stopping the motor after the message was played. Later vehicles equipped with the Vocal Warning System used an electronic chipset in place of the "record". Another difference of the Vocal Warning Systm was that it actually used recordings of an actual woman's voice rather than the speech-synthesized man's voice that the EVA employed. == External links == *(Stan Watkins's EVA page ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Electronic voice alert」の詳細全文を読む スポンサード リンク
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