Group Calling; Selcall Id Format - Uniden UH9050 Owner's Manual

Operation - Special Features

Group Calling

The has the capability to respond to Group Calling and to transmit Group Calling
UH9050
Codes.
Group Calling allows you to call members of your group simultaneously. However, to do
this, you need to follow a certain format (see below) when programming your TX Selcall
ID.

Selcall ID Format

To call Transmitter SELCALL ID
10 radios [X] [X] [X] [X] [A]
100 radios [X] [X] [X] [A] [A]
1000 radios [X] [X] [A] [A] [A]
10000 radios [X] [A] [A] [A] [A]
where: [X] is a common Selcall ID prefix of your group
- and - [A] is the CCIR Assigned Group Tone Code
Example:
If one group comprises 10 members with Selcall IDs the ID numbers could be as follows:
Group ID # Individual ID#
[1] [2] [3] [4] [0]
[1] [2] [3] [4] [1]
[1] [2] [3] [4] [2]
[1] [2] [3] [4] [3]
to -
[1] [2] [3] [4] [9]
all in TSQ mode at CH20
If someone transmits ID 1234A on CH20, all of the above units will open their Tone
Squelched Receiver.
Group Calls and ordinary Selcalls can be differentiated in the following manner:
Group Call - Low tone beeps
Ordinary Selcall - High tone beeps
UNIDEN UH9050
48
UHF CB Transceiver