E F Johnson Company 2425M70 Benutzerhandbuch

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displayed. Press the PTT switch and respond. One of the following conditions then 
occur:

- If the radio being called is on the air, ringing is heard until the called party answers or 

for 20 seconds, whichever occurs first. If no answer occurs within 20 seconds, a 
continuous tone sounds and “NO ANS” is displayed.

- If the radio being called is not on the air, a continuous tone is heard instead of ringing 

and “NO ACK” is displayed.

4 When the call is finished or if it could not be completed for some reason, end it by 

pressing the Unit Call option switch or the F1 (Exit) key.

To initiate a page:

1 With a P25 conventional channel selected, momentarily press the ALERT (Call Alert) 

option switch. The alias of the last ID called is displayed. Or press and hold the switch 
to directly enter the ID of the radio you wish to page.

2 If required, rotate the Select switch to display the desired radio. The alias of each 

number is displayed.

3 Press the PTT switch and one of the following occur:

•

If five beeps sound, the system received the page and the paged radio is on the air and 
received it. The page mode is automatically exited.

•

If the system received the page but the called radio is not on the air, a single beep 
sounds and “NO ACK” is displayed six seconds after the PTT switch is pressed. Auto 
exit then occurs.

If programmed, the Call History feature stores the IDs of the last five radios that have 
made talkgroup calls, unit calls, or call alerts to the user’s radio. To view the Call History 
list:

1 Access Call Alert or Unit Call List from the menu. The first call displayed is the most 

recent call received. Calls from other radios are indicated by a 

triangle symbol.

2 Scroll through the list to view up to 5 calls, in order from most recent to least recent.