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Beyond the Basics
Motorola (above 406 MHz range), the scanner monitors
the control channel between each transmission to
identify talk groups. For some Motorola (under 512
MHz range) and LTR systems, the scanner uses the
subaudible data sent with each transmission to identify
talk groups.
setting squelch for trunking mode
Your scanner automatically mutes the audio during
trunk scanning when it decodes control channel data.
However, we recommend you turn SQ clockwise and
leave it set to a point just after the rushing sound stops.
This lets the scanner quickly acquire the data channel.
programming trunking frequencies
You program trunking frequencies the same as non-
trunked frequencies, except that you must store the
appropriate mode (MO, ED, or LT) with each frequency.
You can scan only one type of trunked frequency,
either EDACS, Motorola, or LTR in a bank at one
time. You can, however, mix conventional channels
and frequencies in a bank.
If you are programming trunked frequencies for
Motorola Type I and hybrid systems, you must fi rst
program the fl eet map (see “Programming Fleet
Maps”).
If you are programming frequencies for an EDACS
system you must store them in the Logical Channel
Number order (usually listed as LCN#). For
example, LCN1 would go into channel 01 for the
current bank, and LCN2 would go into channel 02.
If you are programming frequencies for an LTR
system you must store them in the home repeater
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