EFJohnson 7780 Two-Way Radio User Manual


 
2-1
November 1999
Part No. 001-7780-500
TRANSCEIVER OPERATION
SECTION 2 TRANSCEIVER OPERATION
2.1 FEATURES
2.1.1 GENERAL FEATURES
16 zones with home zone select
16 channels per zone (256 channels total)
Radio-wide scan
Time-out timer
LCD 8-character alphanumeric display with 12
status annunciators
2.1.2 CONVENTIONAL FEATURES
Channel scan with three user programmable scan
lists
Priority channel sampling
Busy channel lockout (transmit disable on busy)
Monitor mode
Call Guard® (CTCSS/DCS) squelch control
Penalty timer
Conversation timer
Repeater talk-around
DTMF/ANI signaling
User selectable power output
Selectable channel display mode
2.1.3 SMARTNET™ II FEATURES
Group, Enhanced Private Conversation™, Private
Conversation II™, and telephone calls
Call Alert™ (paging)
Emergency calls
Messaging
Priority monitor scanning
Failsoft operation
Dynamic regrouping
2.1.4 SMARTZONE® FEATURES
Site trunking
Site search
Site lock/unlock
2.1.5 LIMITED/ENHANCED KEYPAD
FEATURES
Limited (3-key) and Enhanced (15-key) models
of this transceiver are available. Most features avail-
able with the enhanced keypad model are also avail-
able with the limited keypad model. The features not
available with the limited (3-key) model are as
follows:
Since the DTMF keys are not available, it is not
possible to dial telephone numbers or manually
send DTMF tones. However, telephone calls can
still be placed using prestored numbers.
With conventional standard scanning, only one scan
list is available and it is not user programmable.
With SMARTNET/SmartZone operation, direct
entry of unit ID numbers is not available when
making private calls or sending pages. However,
these calls can stillbe made by recalling theID from
a prestored list.
2.2 CONTROLS AND DISPLAY
2.2.1 TOP PANEL CONTROLS
On-Off Volume - Turning this knob clockwise turns
power on and sets the volume level. Turning it coun-
terclockwise to the detent turns power off.
Channel Select Switch - Selectsupto16prepro-
grammed channels. The selected channel is also indi-
catedinthedisplay.
Antenna Jack - Connection point for the antenna.
BATT
RX
TX
OFF/VOL
6
7
8
5
4
3
2
1
12
11
10
9
16
15
14
13
Transmitter
Keyed
Receive Signal
Detected
Low
Battery
On-Off/Vol
ume
Ant
enna Jack
Channel Select Sw