EFJohnson 7780 Two-Way Radio User Manual


 
TRANSCEIVER OPERATION
2-15
November 1999
Part No. 001-7780-500
displayed. When the system is no longer busy, the
call back tone (four beeps) is heard and your radio
automatically starts transmitting. Press the PTT
switchtocontinuethecall.
To ignore an incoming call, press the
CLR
key or
wait 20 seconds until the recurring unit call tone
stops sounding. NOTE:IftheCLRkeyis
programmed for the Call function, itwill not clear
the call.
2.5.5 PRIVATE CONVERSATION II CALLS
General
Private calls allow you to place a call to a specific
mobile unit. Either the Enhanced Private Conversa-
tion™ or Private Conversation II™ modes may be
programmed depending on the capabilities of the radio
system. Operation in the Enhanced Private Conversa-
tion mode was described in Section 2.5.4, and opera-
tion in the Private Conversation II mode is described
in the following information.
The Private Call option switch is required to
place these calls, and either that switch or the Call
Response option switch is required to receive them.
Proceed as follows.
Placing a Private Conversation II Call
This call can be initiated by selecting the unit ID
from a call list (list entry) or by directly entering it
using the keypad (direct entry). Direct entry is avail-
able with full keypad (15-key) models only. Proceed
as follows:
List Entry Method (All Models)
1. With a SMARTNET/SmartZone channel selected,
momentarily press the Private Call option switch.
The private call mode is indicated by
C
”inthe
upper part of the display. 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 to initiate the call. The display
then indicates the alias of the destination radio. Wait
approximately 1 second and then begin talking.
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 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 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 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. Wait
approximately 1 second and then begin talking. Any
of the following conditions may then occur.
If the called party answers and the call is
successful, the person’s voice is heard and the call
iscarriedonthesameasagroupcall.Toendthe
call at any time, press the
CLR
key.
If the radio system is busy, four low tones sound
and the “BUSY” and “WAIT” are alternately
displayed. When the system is no longer busy, the
call back tone (four beeps) is heard and a channel
is automatically acquired. Press the PTT switchto
continue the call.
Receiving a Private Conversation II Call
Unit-to-unit calls are automatically received if a
SMARTNET/SmartZone channel is selected. Proceed
as follows:
1. When a call is received, an alert tone sounds and the
caller’s voice is heard. While voice is heard, “
C
”is
indicated inthe upper part ofthe display and “CALL
RCV” and the current channel alias are alternately
displayed.