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Telephon ontrol Unit w
280 7-Digit Digital Se
HORN—If you depress the button marked
HORN on the control unit before leaving your
car, an electronic switch will cause your auto
mobile horn to give a 2 to 4-second blast to tell
you a call has come in.
STANDBY—When you leave your car for
any length of time, push your STANDBY but
ton to take advantage of your radio's low cur
rent drain. If you are called, your CALL light
will notify you that a call has come in.
3 DUPLEX— The DPLX switch gives you two-
way conversation without using the push-to-
talk button.
4 SOLID-STATE DIGITAL SELECTOR-
Inside your control head, a selector silently
counts electronic (tone) pulses to energize the
buzzer or horn and turn on the CALL LIGHT
when a call comes in. You do not have to mon
itor the channel to listen for your call and you
are not bothered by unwanted chatter coming
from a speaker. Calling codes in the selector
can be changed easily.
SEVEN CHANNEL SELECTION BUT
TONS—If your present radio is not now
equipped for all seven channels, your control
unit will accommodate later conversion or ex
pansion.
TRANSMIT SIGNAL—This green light tells
you the transmitter is on and you are clear to
communicate.
SACS SYSTEM
CALL LIGHT—This amber light tells you a
call has come in for you (see item no. 1). It SACS stands for Simultaneous All Channel
Signaling. It is a fast, reliable, digital signaling
turns off when you lift the handset.
system employing a 2805 Hz tone (1) to sig
nal and (2) to mark a channel busy.
BUSY SIGNAL—This button will glow with
a red light when you take the handset off the In the SACS system, the digital signaling
hook or the channel is busy. You will not be codes are transmitted simultaneously on all
able to key your transmitter or hear anything channels so that a mobile will be alerted to a
through your receiver if the system is equipped call regardless of which channel selection but
with 2805 Hz tone to mark the channel busy ton is depressed.
(SACS system only). A filter in the RCC mobile control unit pre
9 KEYSWITCH AND RING PILOT LAMP- vents the Signaling and Mark Busy tone from
annoying subscribers in the process of carry
The keyswitch permits you to lock your trans
mitter off the air when you leave your car. The ing on a conversation. The busy-circuit op
pilot lamp tells you when your radio is on tion (BY), located in the control head, senses
either as a result of your keyswitch or STAND the presence of the Mark Busy tone on the ch
BY button. annel and disables the audio and transmit
function of all units attempting to communi
IQ FUTURE SYSTEM COMPATIBILITY- cate on or monitor a channel that is already in
With the full duplex General Electric RCC unit use. Privacy of your communication is virtu
and telephone-type control unit you are ready ally assured.
for the future.
