Owner's Manual
Operation
ON
/
OFF
Earplugs
turn
on
and
off
by
opening
and
closi
ng
the
battery
door.
Note
: It
is
not
necessary
to
remove
the
battery
as
long
as
the
door
is
open
wide
eno
u
gh
to
d
isa
b
le
the
circu
it.
Battery
Door
ON=
Closed
OFF
=
Open
•
Dual-Mode
Switch
t
Flip
toward
front
=
LO
position
f
Flip
toward
back
=
HI
position
Automatic
Protection
+
Bla
st
Protection
Mode
{
LO
)
•
No
interference
with
natura
l
hea
r
ing;
soft
and
loud
sounds
are
heard
naturally
•
Automatically
delivers
15-dB
protection
when
steady-state
noise
exceeds
safe
exposure
limits
•
Blast
protection
Enhancement+
Blast
Prot
e
ction
Mode
(
HI
)
•
Amplifies
soft
and
conversational
sounds
for
improved
communication
and
increased
awareness
of
surroundings
•
No
amplification
of
loud
sounds
•
Automatic
15
-
dB
hearing
protection
is
not
present
in
HI
mode
•
Blast
protection
8