Icom IC-80AD Instruction Manual - Page 43
System description
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DV MODE PROGRAMMING 6 D System description 1 2 3 Area 1 Area 2 Area 3 (Gateway) Area 4 4 Repeater 1 Zone A Repeater 2 Repeater 3 Repeater 4 5 6 Internet 7 Network 8 9 10 Area 5 Repeater 5 Area 6 (Gateway) Zone B Repeater 6 Area: The Area is the communication range that is covered by a single repeater. The repeater is called an area repeater in the D-STAR system. Area 7 Area 8 11 Repeater 7 Repeater 8 12 13 Zone: 14 The Zone is composed of several areas, that are linked by a 10 GHz microwave link. 15 The areas 1 to 4 and 5 to 8 make up a zone in the example above. 16 Link repeater: The microwave (10 GHz) link repeater provides to linking with another repeater site (Area) for zone construction. Gateway repeater: 17 Gateway repeaters provide communications between different zones via the internet. 18 Repeaters 3 and 6 are gateway repeaters in the 19 example above. 35
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