E.F. Johnson Company 7780 Series, Preliminary Service Manual

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TRANSCEIVER OPERATION
2-17
November 1999
Part No. 001-7780-500
•
If an out-of-range condition exists or the radio
system is not in service, “LOST CALL” is
displayed and a continuous tone sounds. End the
call by pressing the
CLR key.
•
If you are not authorized to make telephone calls,
“REJECT” is displayed and a continuous tone
sounds. End the call by pressing the
CLR key.
•
If the radio system is busy, “BUSY” is displayed
and a busy tone sounds. The call automatically
proceeds when the radio system becomes avail-
able. If the call is ended before it proceeds, your
position in queue is lost.
Answering a Telephone Call
Telephone calls are automatically received if a
SMARTNET/SmartZone channel is selected. Proceed
as follows:
1. When a telephone call is received, “ringing” similar
to a standard telephone is heard. The display alter-
nately indicates “PHONE” and the current channel
alias.
2. To answer the call, press the Phone option switch
and the phone mode is indicated by the icon.
Press the PTT switch to talk and release it to listen.
3. To end the call when the conversation is complete or
at any other time, press the
CLR
key. Also press the
CLR key to ignore an incoming call and end it
without answering. NOTE: If the CLR key is
programmed for the Phone function, it will not clear
the call.
2.5.7 CALL ALERT
The Call Alert™ feature allows pages to be sent
and received. Proceed as follows:
Sending a Page
Pages can be placed by selecting the unit ID from
a preprogrammed list (list entry) or by directly
entering it using the keypad (direct entry). Direct entry
is available with full keypad (15-key) models only.
List Entry Method (All Models)
1. With a SMARTNET/SmartZone channel selected,
momentarily press the Call Alert option switch. The
tag (alias) of the last ID called is displayed if it
matches an ID in your call list. Otherwise, the last
ID called is displayed.
2. Enter the index of the desired ID if you know it or
scroll through the list using the and keys
until you find the desired ID. Press the
CLR
key to
cancel the call.
3. Press the PTT switch or the ENT key to send the
page. The display then indicates the alias of the
radio being paged. Proceed to the bulleted list which
follows the next method for conditions that may
then occur.
Direct Entry Method (Full Keypad Models Only)
1. With a SMARTNET/SmartZone channel selected,
press and hold the Call Alert option switch until a
tone sounds (approximately 1 second). The last ID
called or paged is displayed.
2. Using the
0-9
keys, enter the 6-digit ID of the unit
you are calling. Press the key to erase the last
digit entered or press the
CLR
key to cancel the
page.
3. Press the PTT switch or the ENT key to send the
page. If the entered ID is invalid, “INVALID” is
momentarily displayed and the page is not sent. If
the entered ID is valid, the display indicates the alias
of the ID if it matches an ID in your call list. Other-
wise, the ID you entered continues to be displayed.
The page is then sent and any of the following
conditions may then occur.
•
If the radio you are paging is on the air and received
your page, a signaling success tone (six beeps)
sounds and the display momentarily indicates
“ACK RCVD”. The alias of the selected channel is
then displayed continuously.
•
If the radio you are paging is not in service, a tone
sounds and “NO ACK” is displayed. Press the
CLR
key to cancel the page.