[TrunkCom] Control Frequency Only Mode

[Jeff Kenyon]

Hi Jerry, a scanner that doesn't support control only mode will have the
frequencies as reference to go to for a transmission.  In control channel
only mode, the scanner follows the specific band plan that Motorola has
set up for its various bands such as 800 and 900 MHz trunking so that is
how this is all possible, and with control only mode you can hear all the
transmission, and any subsequent transmission.





On Mon, 24 Oct 2005, JERRY NONE wrote:

> Question.  Okay, say for instance you have a radio
> scanner that does NOT do Control Frequency Only Mode.
> So you program in all the frequencies.  So when the
> Controller tells Talk group 336 to go to a frequency
> of 868.7125, how does a radio scanner in Control
> Frequency Only Mode know NOT to go that frequency.
> Instead the message is heard on one of the Control
> Frequencies.  Also by being in Control Only Mode, does
> this prevent the radio scanner from hearing all the
> transmissions?  I mean if the system you are
> monitoring has seven frequencies and then adds three
> more frequencies to accomodate extra users but the
> Control Frequencies remain @ the same amount, won't
> that cut off some transmissions?  What happens then,
> do you just hear the priority transmisions?
>
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