E.F. Johnson Company 53SL ES Series, Руководство по эксплуатации

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53SL ES Series Mobile Radio Operating Manual April 2009 6-21
Project 25 Mode Features Section 6 - Conventional Mode Features
- If the mobile 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 mobile 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 mobile. 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 mobile is on the air
and received it. The page mode is automatically exited.
•
If the system received the page but the called mobile 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.
6.13.10 Call History
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.
6.13.11 Messaging
The messaging feature allows preprogrammed messages to be sent to a dispatcher on P25
channels. Up to 16 messages can be preprogrammed, and they are identified by an alias. If
a MSG (Message) option switch is programmed, messages are sent as follows: