1 - 8 2020/4820/4820i User’s Guide1. Provide power to the base.2. Place the imager into the base. The imager and base link.3. To determine if your cordless system is set up correctly, scan one of thesample bar codes in the back of this manual. If the imager provides a singlegood read beep and the green LED lights, the imager has successfully linkedto the base. If you receive a triple error beep and the red LED lights, theimager has not linked to the base. Refer to page 14-4 for troubleshootinginformation.Communication Between the Cordless System and theHostThe cordless imager provides immediate feedback in the form of a “good read”indication (a green LED on the imager and an audible beep) after a bar code isscanned correctly and the base has acknowledged receiving the data. This ispossible since the cordless system provides two-way communication betweenthe imager and the base.When data is scanned, the data is sent to the host system via the base unit. Thecordless imager recognizes data acknowledgement (ACK) from the base unit. Ifit cannot be determined that the data has been properly sent to the base, theimager issues an error indication. You must then check to see if the scanneddata was received by the host system.3) Base sendsdata to host1) Good Read2) ACK from base
