Radio Shack 20-163 User's Guide download pdf (Page 40)

For Motorola channels, your scanner displays the Talk Group ID

memory location, received frequency, voice channel (VC), and the

Motorola ID number.

Your scanner automatically mutes the audio while it decodes

control channel data. However, we recommend you turn SQ

clockwise and leave it set to a point just after the hiss stops.

This lets the scanner quickly acquire the data channel.

For Motorola trunking systems, more than one talk group

can transmit at a time. If you manually tune the scanner, you

will hear the talk group on that channel, but the display will

alternate between all active Talk Group IDs.

For EDACS and 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.

Trunking Delay

You can set a Talk Group ID delay separately from the channel delay.

When active, the scanner checks the Talk Group ID for the delay time

when a transmission ends.

To set a Talk Group ID delay:

1. Press FUNC then ./DELAY while you are programming the Trunk

Group ID. “ENTER key saves. 2.0 seconds” appears.

2. Use  or  to set ID Delay: None, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5,

or 4.0 seconds.

3. Press ENT.

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Radio Shack 20-163 User's Guide Page 40