E F Johnson Company 2425333 Manual Do Utilizador

User Group ID - If the group ID of the call being received is included in a 
preprogrammed User Group ID list, the alias programmed in that list for that group is 
displayed.

If the TG SEL option switch is programmed, the talk group assigned to a channel can be 
changed by the user. The new talk group continues to be assigned to the channel until it is 
manually changed again (cycling power or selecting another channel does not reselect a 
default talk group). Change the talk group assigned to a channel as follows:

1 Select the channel to be changed and then press the TG SEL option switch.

2 Rotate the Select switch to display the talk group to be assigned to that channel. Talk 

groups are indicated by a unique identification in the alphanumeric display.

3 To select that talk group and return to normal operation, press the TG SEL switch again 

or press the Select switch. If talk group selection has been disabled on the channel by 
programming, the talk group does not change, “NO LIST” is displayed, and a tone 
sounds.

Unit calls (also called Individual Calls) can be placed to a specific radio on Project 25 
channels If the Unit 

 option switch is programmed. Only the individual ID of the 

target radio is sent (a talk group ID is not sent). The radios that can be called are 
preprogrammed in the Unit Call list.

To receive a unit call, the RF channel of the call must be selected or scanned and the 
correct NAC and unit ID must be detected. The ID of the calling radio is then transmitted 
back. To respond to the call, the radio must be programmed with the Unit 

 option 

switch, and have a Unit Call programmed with the ID of the calling radio.

Place and receive a Unit Call as follows:

1 To transmit a unit call, press the Unit 

 option switch. The alias (tag) of the last Unit 

Call is displayed.

2 If required, rotate the Select switch to display the desired alias/ID. The alias and ID of 

the unit calls that have been programmed are alternately displayed.

3 Press and then release the PTT switch. Ringing is then heard and “WAIT” displayed to 

indicate that the radio is being rung. To disable this ringing but not the call, briefly 
press the PTT switch again. Ringing occurs for 20 seconds or until the call is answered, 
whichever occurs first.