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The keypad is used for manual number entry
for individual calls, access to a telephone
interconnect system and activation of various
EDACS or conventional features. The keypad is
divided into both a function portion and a numeric
portion as is found on a basic push-button
telephone.
The display has an eight alphanumeric
character line (upper line) used to show the
operational mode of the radio and has a numeric
character line (middle line) used to show talk time.
Eight status indicators, used to indicate various
operating conditions, such as; function key
pressed, transmitter on, service available, radio in
use, horn alert active, radio locked or transmit
muted, are located below the character lines within
the display.
USER INTERFACE
BUTTON
PUSH–TO–TALK Enables the radio's transmitter.
(PTT) BUTTON
PTT
must be held down to
transmit during simplex opera
tion.
KEYPAD
Function Portion
Two functions button;
1.
Momentarily Press.
Terminates any ongoing activity. If
the radio is designated as
supervisory, it drops any ongoing
group call.
2.
Press and Hold (approximately
2 seconds).
Applies power to the radio. Press
and hold the ON/END button to turn
the radio on. All status indicators turn
on momentarily and after 2 seconds a
short beep is heard and the message
“---ON---” will be displayed on the
LCD. Press a second time to turn the
radio off. After 2 seconds short beep
is heard and the message “TURN
OFF” will be displayed on the LCD.
When turned off, the radio retains the