John want to Call all radio in the same Channel and CTCSS code 
   
 
•
If John want to sent a group
call. He need to change Caller
ID number to Group ID.
•
To change Call ID number.
Press & hold Call key for 2
seconds or until Call ID
number flash on the LCD
display.
•
Peter receive the ID data which
is address to all radio in this
Channel and CTCSS code.
•
The radio displays the
transmitter ID number on
LCD.
•
The radio CTCSS setting is
changed to Private Tone.
•
Press Up or down key to
change the Call ID number to
“9P” (Group Call).
•
Press PTT to confirm the Call
ID setting.
•
Press Call key to transmit the
Call to other radio.
•
Mary receive the ID data
which is address to all radio in
this Channel and CTCSS code.
•
The radio displays the
transmitter ID number on
LCD.
•
The radio CTCSS setting is
changed to Private Tone.
•
After the Call transmission, the
radio CTCSS setting is
changed to Private Tone.
 John’s radio setting 
 
Channel 22
CTCSS 38
Home ID 3
Call ID 5
 John’s radio setting 
 
Channel 22
CTCSS 38
Home ID 3
Call ID gP
 John’s radio setting 
 
Channel 22
CTCSS Pr
Home ID 3
Call ID gP
   Peter’s radio setting 
 
Channel 22
CTCSS 38
Home ID 4
Call ID 12
   Mary’s radio setting 
 
Channel 22
CTCSS 38
Home ID 7
Call ID 1