User manual
7
3
CONTROLS
AND
INDICATORS
Manual
actvation
(switch)
The
EPIRB
is
manually
activated
break
off
the
anti-tamper
tab
to
gain
access
to
the
manual
activation
switch
beneath.
Automatic
Sea
switch
(contacts)
When
the
EPIRB
is
released
from
its
bracket
a
magnetic
switch
activates
and
places
the
EPIRB
into
a
“ready”
state.
It
will
turn
on
automatically
if
the
sea
switch
contacts
on
either
side
of
the
EPIRB
body
are
immersed
in
water
regardless
of
the
status
of
the
manual
activation
switch.
The
Automatic
sea
water
switch
has
a
built-in
time
delay
to
ensure
that
it
operates
correctly
in
rough
seas.
The
EPIRB
must
be
in
the
water
for
at
least
2
seconds
before
it
will
automatically
activate
and
it
has
to
be
dry
for
at
least
8
seconds
before
it
will
stop
transmitting.
TEST
button
The
test
button
is
used
to
verify
the
readiness
of
the
EPIRB.
Strobe
light
Four
high
visibility
LEDs
flash
simultaneously
to
produce
the
strobe
light
zone,
this
provides
a
visual
means
of
locating
the
EPIRB.
It
will
start
flashing
immediately
after
the
EPIRB
is
switched
ON.
Its
flashing
will
pause
for
a
short
time
when
each
406
MHz
alert
transmission
is
sent,
which
is
once
every
50
seconds.
Strobe
light
(EPIRB
ON)
1
flash
every
3
seconds,
pause
every
50
seconds
Red
LED
(indicator)
The
red
LED
illuminates
when
the
EPIRB
is
first
switched
ON
and
will
start
to
flash
slowly
once
the
first
transmissions
are
made.
121.5
MHz
transmission
is
taking
place
whenever
the
Red
LED
is
flashing
alternately
with
the
strobe
light.
Every
50
seconds,
the
red
LED
will
flash
rapidly
followed
by
a
single
long
flash
to
indicate
each
406
MHz
transmission.
Green
LED
(GPS
version
only)
The
green
LED
flashes
alternately
with
the
strobe,
to
indicate
that
a
valid
position
has
been
obtained
by
the
GPS
receiver.
Every
50
seconds
it
illuminates
for
2
seconds
to
indicate
that
the
position
is
being
transmitted
on
406MHz.
Every
20
minutes
the
GPS
receiver
updates
its
position
information.
If
a
fix
is
not
obtained,
the
green
LED
stops
flashing,
and
illuminates
only
every
50
seconds,
when
the
previous
position
information
is
transmitted.