Uniden BC 245XLT User Manual download pdf (Page 82)

If you don’t already know the size codes used, you’ll have

to guess at them. But since you don’t have to figure out all

the blocks at once, this isn’t as hard as it seems. Select a

size code for a block, and then press . Now listen to the

communications. If you decide you are receiving most of

the replies to the conversations with IDs assigned to the

block you just programmed, then you’ve probably selected

the right size code and can work on the next block of the

map.

Finally, for most public safety systems there are some size

codes which are more common. S-3 and S-4 are probably

the most common, followed by S-10, S-11, and S-12.

Fleet Map Size Codes

Size Fleets Subfleets IDs Blocks

Used

S–0 Reserves block for Type II IDs +

S–1 128 4 16 1

S–2168641

S–3 8 8 128 1

S–4 1 16 512 1

S–5644321

S–6328321

S–7324641

S–8 16 4 128 1

S–9 8 4 256 1

S–10 4 8 256 1

S–11 2 16 256 1

S–12 1 16 1024 2

S–13 1 16 2048 4

S–14 1 16 4096 8

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Uniden BC 245XLT User Manual Page 82