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

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7-8 53SL ES Series Mobile Radio Operating Manual April 2009
Telephone Calls Section 7 - SMARTNET / SmartZone / P25 Trunked Features
telephone number are displayed. The phone call mode is indicated by in the
display.
2
If using the front panel controls, enter the telephone number by rotating and pressing
the Select switch. A single beep sounds when the switch is pressed (if that option is
selected). The 0-9, the
*
, #, and P (pause) characters can be entered (# is displayed as a
“+”). Numbers up to sixteen digits (including pauses) can be entered, and the number
scrolls to the left in the display so that the ten right-most digits are 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.
7.5.2 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.