Beyond the Basics

Selecting a Preset Fleet Map

1. Select the trunking programming mode and the bank you want to change.

2. Press e or d to select E1, then press E.

3. Press e or d to select FLEEt, then press E.

4. Press e or d to select the map you want, then press E. The scanner returns to fleet map list item.

Note

You will now begin to see Type I fleet-subfleet IDs. For example, 100-12, 100-9, 000-12, 400-8, etc. See “User- Defined Fleet Maps” for more information about Type I IDs.

How do you know if the preset map is correct? You will have to listen to see if you’re following complete conversations. If not, try another preset map.

user-defined fleet maps

When a Type I system is designed, the address information for all the IDs are divided into 8 equal sized blocks. When you program your scanner to track a Type I system, you must select a size code for each of these blocks. When you have assigned a size code to all 8 blocks, you have defined the fleet map for the system you’re tracking. Each size code determines the number of fleets, subfleets, and IDs each block will have. For example, a size code of “4” has one fleet, which is divided into 16 separate subfleets, and it has a total of 512 individual IDs.

When a block is assigned a size code, the fleet or fleets created within the block are assigned a Type I ID. The way these IDs display on your scanner depends on the block number and the blocks size code. When a Type I ID displays, the left most digit represents the block which contains the ID.

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Radio Shack 20-426 manual Selecting a Preset Fleet Map, User-defined fleet maps