I hear people talking about wireless communications. Whats that all about?
Communications between the vehicle being tested and your NCAS computer can be done several different ways. The most common method is a cable running between the vehicle and the computer. Although this method works well, the cable must be moved from car to car to perform emissions tests. This can slow the testing process and can lead to injuries caused by tripping over the cable that is run across the floor. A second method requires the use of a Palm Pilot to perform the test at the car. When using a Palm, the technician must still access the State VID with the NCAS computer, download the information into the Palm, and then perform the test procedure. After the test is complete, the information must then be downloaded into the computer for transmittal back to the VID. This download is accomplished using infrared communications that requires the Palm to be very close to the computer to work. The downloading and walking back and forth to the car being tested slows the process down, making
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