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Radio Shack 20-426 manual Fleet Map Size Codes

Models: 20-426

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Beyond the Basics

The next two or three digits identify which ﬂeet is active, and the last digit(s) identiﬁes the subﬂeet.

Your task is to program your ﬂeet map with the same size code assignments as the trunked system. If you do this accurately, you’ll track all the ﬂeet-subﬂeet combinations used by the system. In other words, you’ll hear complete communications while monitoring a trunked system.

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 SRCH. 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. Size code 3 and size code 4 are probably the most common, followed by size codes 10, 11, and 12.

Fleet Map Size Codes

	Size	Fleets	Subﬂeets	IDs	Blocks Used

	0		Reserves block for Type II IDs

	1	128	4	16	1

	2	16	8	64	1

	3	8	8	128	1

	4	1	16	512	1

	5	64	4	32	1

	6	32	8	32	1

	7	32	4	64	1

	8	16	4	128	1

	9	8	4	256	1

	10	4	8	256	1

	11	2	16	256	1

	12	1	16	1024	2

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Radio Shack 20-426 manual Fleet Map Size Codes

Contents

Pro-2051 1,000-Channel Triple Trunking Mobile/Base Scanner Contents Set up your scanner Power your scannerBasics BasicsBeyond the Basics Advanced scanner featuresScanning a private bank Highway patrol alertsSignal Stalker Contents SkywarnWired programming WarrantyHOLD/RESUME Your scanner’s keypadTo Do This Your scanner’s rear view Trunk Your scanner’s displayFCC wants you to know Mounting the scanner in your vehicle Install your scannerPower your scanner From a wall outletThrough your vehicle’s ignition negative ground only Rear View From your vehicle’s cigarrette lighterConnecting the supplied antenna Connecting an external antennaConnect your scanner Use extreme caution when installing or removing an Connecting an external speakerListening Safely Set up your scanner Turn on your scannerSet the squelch Basics Listen to preprogrammed frequencies Common scanner termsScanning overview Basics Beyond the Basics Advanced scanner featuresChannel storage banks Storing known frequencies into channelsBeyond the Basics Locking out a channel in scanning mode Locking out a channel in hold modeBeyond the Basics Deleting a stored frequency Locking out channelsRestoring a locked-out channel in hold mode Memory lockRestoring all locked-out channels Beyond the Basics Hold/resume Direct channel accessScanning a private bank Changing the priority channel Beyond the Basics Priority scanService scanning Beyond the Basics Band search Setting a search bandSearch hold Data skipStoring search frequencies Beyond the Basics Frequency skipDelay Highway patrol alerts Highway patrol/local police scanningSelecting the state State Code Order Press these buttons Action Setting the alert tone volume Beyond the Basics Scan holdHighway warning alert Highway patrol priority channels Adjusting alertMuting the alert tone Skip frequenciesTrunked highway frequencies About Skywarn SkywarnNWR Same Programming Fips Programming a Fips codeBeyond the Basics Signal Stalker Setting the signal stalker options Beyond the Basics Using signal stalker Trunk tracking Setting the squelchProgramming trunking frequencies Selecting Trunking System Type Programming id scan lists manually Edacs talk groups Motorola talk groupsReceiving trunked systems LTR talk groupsID scan hold mode ID scan modeDirect entry id hold mode ID search modeID search hold mode ID monitor mode Programming scan lists during searchDeleting a stored ID ID lockout Reviewing ID lockoutRestoring locked-out IDs Setting the delay mode for trunking mode Setting priority in trunking modeTrunking frequency conﬁrmation Multi-track Moving between scan list memoriesAbout multi-track Programming Edacs system frequencies Edacs trackingSpecial Edacs features Beyond the Basics An Edacs trunked systemAFS partial entry Edacs ID blockout Edacs ID range searchEdacs Scat Tracking LTR systemsBeyond the Basics Tracking Motorola systems ﬂeet map programming Preset Fleet Maps E1P1 E1P5 E1P11 User-deﬁned ﬂeet maps Selecting a Preset Fleet MapFleet Map Size Codes Size code restrictions Programming a user ﬂeet mapProgramming a Hybrid system You can only enter within a range of 5-100 kHz, and 5 or Toggling the status bit Control channel only mode Disconnect tone detect option end code If the scanner receives no data from the PC for more than Cloning your scanner Birdies Replacing the fuse in the DC power cordProperly Beyond the Basics Resetting your scannerDrive by patrol cars but do not hear alarms? Frequently asked questions FAQsError appears on the display. What does it mean? If Frequencies SpeciﬁcationsGlossary Care Service and repair