5
Diagram
2
3.
The
visor
microphone
has
a
noise
canceling
feature
and
must
be
mounted
facing
the
driver
as
shown
in
the
picture
above.
4.
To
avoid
visual
or
physical
obstruction,
route
the
microphone
cable
down
inside
the
door
molding.
Allow
sufficient
slack
on
the
connector
end
of
the
cable
to
reach
the
Junction
Box.
5.
Feed
the
cable
to
the
location
where
you
intend
to
mount
the
junction
box.
Note!
The
microphone
should
not
be
mounted
near
a
window
or
in
a
spot
where
road
and
ambient
background
noise
would
be
substantially
high
(above
85dB
SPL).
C.
Mounting
of
the
PTT
1.
To
attach
the
PTT
to
the
gear
lever,
strap
the
PTT
around
the
gear
lever
using
the
Velcro
strip
attached,
with
the
cord
facing
down.
Diagram
3
2.
To
attach
the
PTT
to
a
flat
surface,
remove
the
2
screws
from
the
bottom
of
the
PTT,
which
holds
the
Velcro
strip
in
place.
Facing
the
driver
Velcro Strip
Flat Plastic
