E.F. Johnson Company 5300 ES Series, Руководство по эксплуатации

Страница: 86 / 142

6-8 5300 ES Series Mobile Radio Operating Manual March 2008
SMARTNET / SmartZone / P25 Trunked Features
always displayed. With the HHC, enter the number using the DTMF keypad (a pause
indicated by “P” is entered by
*
#).
3 Press and hold the PTT switch and dial the number using the keypad on the HHC.
“DIALING” is displayed. Events that may occur are as follows:
- If the access is successful, a dial tone sounds and the dialed number is displayed and
sent. Either ringing or a busy signal is then heard as with a standard telephone call.
When the called party answers, press the PTT switch to talk and release it to listen
(since the radio operates half-duplex, it is not possible to talk and listen at the same
time).
Each time the PTT switch is released, a go-ahead tone is sent to the landside party to
indicate when they can respond. To dial a number after the connection is made, press
the PTT switch and dial the number using the keypad on the HHC.
Ο
If the selected telephone number is not valid, “INVALID” is displayed and an
alert tone sounds. Select a valid number.
Ο
If the system is busy, “BUSY” is displayed and the busy tone sounds. The call
automatically proceeds when the system becomes available.
Ο
If you are out-of-range or the radio cannot be accessed for some reason, “NO
PHONE” is displayed and an alert tone sounds.
Ο
If the interconnect call you are making or the selected secure mode is not
authorized, “REJECT” is displayed and an alert tone sounds.
Ο
If your radio does not have the proper encryption key, “KEYFAIL” is displayed
and the call must be made in the clear mode by pressing the Clear/Secure option
key (if strapped to switchable). Otherwise, load the correct key.
4 When the telephone call is finished or it could not be completed for some reason, end it
by pressing the Phone option switch and placing the microphone back on-hook.
6.5.2 Receiving A Telephone Call
To receive a telephone call:
1
When a telephone call is received, “ringing” similar to a standard telephone is heard
and “PHONE” is displayed.
2 To answer the call, press the Phone option switch and press the PTT switch to talk and
release it to listen (since the radio operates half duplex, it is not possible to talk and
listen at the same time).
3 When the call is finished, end it by pressing the Phone option switch and placing the
microphone back on-hook.