Uniden BC250D English Owners Manual - Page 80
APCO Project 25, Reception - digital card how to install
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APCO Project 25 Reception APCO Project 25 is a modulation process where voice communications are converted into digital communications. This conversion is similar to the technology used with digital mobile phones. There are several types of Project 25 systems available! Systems the Uniden BC250D supports are listed below. - Conventional - one frequency with digital voice. - Trunked with analog control channel and digital voice - Many frequencies shared by many departments and the control channel is analog with digital voice. Control channel operates at 3600 Baud. - Mixed mode - trunked (3600) system with an analog control channel alternating / mixing analog and digital voice communications. Note: Do not install the APCO card with the AC Adapter connected. Installing the APCO P-25 Card 1. Turn OFF the scanner, and open the cover. 2. Carefully unplug the battery pack. 3. Insert the APCO card with the label (the side "APCO P-25 DIGITAL CARD" is printed) facing up as shown. 4. Carefully connect the battery pack, matching the red and black wires with the corresponding Red/Black plug. 76