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Beyond the Basics
EDACS SCAT
With the EDACS SCAT feature, the data stream transmissions
will be eliminated, allowing you to clearly monitor the voice
communications on EDACS SCAT systems.
To monitor EDACS SCAT systems you only need to program
the frequency in the trunk tracking programming mode. You
do not need to enter group IDs.
tracking LTR systems
LTR (Logic Trunked Radio) systems are trunking systems
used primarily by business or private communications
service providers, such as taxicabs, delivery trucks,
and repair services. These systems encode all trunking
information as digital subaudible data that accompanies
each transmission. Users on an LTR system are assigned to
specifi c talk groups, which are identifi ed by the radio as six
digit numbers.
These numbers are in the form AHHUUU, where:
A= Area code (0 or 1)
H= Home repeater (01 through 20)
U= User ID (000 through 254)
When the scanner receives a transmission on a channel set
to the LTR mode, it fi rst decodes the LTR data included with
the transmission. In the ID Search mode, the scanner stops
on the transmission and displays the talk group ID on the
display. In the ID Scan mode, the scanner only stops on the
transmission if the LTR data matches a talk group ID that
you have stored in the bank’s talk group ID list and have not
locked out.
LTR systems are frequently programmed so that each radio
has a unique ID code.
