HP 8920A - LTR Decoder; The LTR Trunked Radio Decoder Screen

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Chapter 8, Signaling Decoder Screen
LTR Decoder
LTR Decoder
This decoder mode displays trunked signaling data for mobile radios and repeaters
using the EF Johnson LTR® (Logic Trunked Radio) format.
Figure 79 The LTR Trunked Radio Decoder Screen
AF Anl In
Audio frequency analyzer input selects the source of the signal to be analyzed
(almost always
FM Demod for LTR decoding).
Arm Meas
Arm measurement prepares the decoder to be triggered by an incoming signal
when set to make a single measurement.
Data
This field displays decoded LTR data. The LTR display setting determines
what type of data is decoded.
Itr-de1.wmf