Cobra SPX 7700 - Strobe Alert System; Strobe Alert Detection; Responding to Alerts; Alert Interpretation and Response Guide

Strobe Alert:
Special
strobes
mounted
on
the
light
bars
of
authorized
emergency
vehicles
(fire
trucks,
police
cars,
ambulances)
automatically
change
traffic
signals
as
the
vehicle
approaches
an
intersection.
These
strobes
and
the
special
strobe
detectors
located
on
the
traffic
signals,
introduced
fairly
recently
by
3M
and
Tomar,
are
already
in
use
in
more
than
1000
cities
nationwide.
Cobra's
exclusive
Strobe
Alert
detector
will
detect
these
special
strobes
and
give
an
emergency
vehicle
alert.
When
you
receive
such
an
alert,
please
watch
for
an
approaching
emer-
gency
vehicle
and
pull
over
to
allow
it
to
pass.
To
inquire
about
coverage
in
your
area,
contact
your
local
fire
and
police
departments.
Responding
to
Alerts*:
Description
Interpretation
Recommended
Response
Tone
repeats
slowly
at
Probably
police
radar.
FULL
ALERT
first,
then
speeds
up
rapidly.
Tone
sounds
one
time
Probably
a
false
alarm,
but
Exercise
caution
only.
possibly
pulsed
radar,
Spectre
I
or
IV+
or
VG-2
nearby.
Tone
instantly
begins
Radar,
Spectre
I
or
IV+
FULL
ALERT
repeating
rapidly.
or
VG-2
nearby
has
been
activated
suddenly.
Tone
repeats
slowly
as
Probably
police
radar
beyond
FULL
ALERT
you
approach
a
hill
or
the
hill
or
bridge.
bridge,
then
speeds
up
sharply
as
you
reach
it.
Tone
repeats
slowly
Probably
a
false
alarm.
Exercise
caution
for
a
short
period.
Any
type
of
laser
alert.
Laser
alerts
are
FULL
ALERT
never
false
alarms.
Any
Safety
Alert.
You
are
nearing
an
Exercise
caution
emergency
vehicle,
railroad
crossing
or
road
hazard
(construction,
accident,
etc.).
*These
alerts
can
be
turned
on
or
off
within
the
Alert
Settings
branch
of
the
Menu.