EFJohnson 7780 Two-Way Radio User Manual


 
TRANSCEIVER OPERATION
2-14
November 1999
Part No. 001-7780-500
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 initiate the
call. The display then indicates the alias of the desti-
nation radio. Proceed to the bulleted list following
the next method for conditions that may occur next.
Direct Entry Method (Full Keypad Models Only)
1. With a SMARTNET/SmartZone channel selected,
press and hold the Private Call option switch until a
tone sounds (approximately 1 second). The last ID
called is displayed, and the private call mode is indi-
cated by
C
” in the upper part of the display.
2. Using the 0-9 keys, enter the 6-digit ID of the
mobile unit you are calling. Press the key to
erase the last digit entered or press the
CLR
key to
cancel the call.
3. Press the PTT switch or the
ENT
key to initiate the
call. If the entered ID is invalid, “INVALID” is
momentarily displayed and the call is not initiated.
If the entered ID is valid, the display indicates the
alias of the ID if it matches an ID in your call list.
Otherwise, the ID you entered continues to be
displayed. Any of the following conditions may
then occur:
If the radio you are calling is on the air, telephone
type “ringing” is heard for 20 seconds or until the
called party answers.
If the called party answers and the call is
successful, the person’s voice is heard and the call
is carried on the same as a group call. To end the
call at any time, press the
CLR
key.
If the called party does not answer within 20
seconds, “NO ANSWR” is displayed and a
continuous tone sounds. End the call by pressing
the
CLR
key.
If the called radio is not in service, no ringing is
heard, “NO ACK” is displayed, and a continuous
tone sounds. End the call by pressing the
CLR
key.
If neither your radio nor the radio being called is
authorized to make unit-to-unit calls, “REJECT”
is displayed and a continuous tone sounds. End
the call by pressing the
CLR
key.
If the called party answers but the radio system is
busy, four low tones sound and “BUSY” and
“WAIT” are alternately displayed. When the
system is no longer busy, the called party auto-
matically responds.
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.
Receiving an Enhanced Private Conversation Call
These calls are automatically received if a
SMARTNET/SmartZone channel is selected. Proceed
as follows:
1. When a call is received, a recurring unit call tone
(three beeps) sounds for up to 20 seconds, and
“CALL RCV” and the current channel alias are
alternately displayed.
2. To answer the call, press the Private Call option
switch and then the PTT switch and begin talking.
The private call mode is indicated by “
C
”inthe
upper part of the display. The alias of the incoming
call is displayed if the ID is in your call list. Other-
wise, the unit ID is displayed. NOTE: If the Private
Call option switch is not pressed before the PTT
switch, a group call is transmitted on the selected
group.
To end the call when the conversation is complete
or at any other time, press the
CLR
key.
If unit-to-unit (private) calls are not permitted
(Private Call switch not programmed), press the
Call Response option switch, if available, to
answer the call.
If the call is not answered within 20 seconds, it is
automatically terminated.
If the radio system is busy, four low tones sound
and “BUSY” and “WAIT” are alternately