8
/
11
5
）
Volume
：
This
option
is
used
to
set
the
output
volume
of
navigation
sound.
The
keystoke:
this
option
can
be
used
to
toggle
the
sound
effect
of
touch
screen
feedback,
when
set
to
Off,
the
user
will
not
get
the
touch
screen
click
sound.
6
）
Time
：
the
system
time
of
the
module,
the
installer
usually
does
not
need
to
care
about
this,
it
will
be
automatically
updated
when
GPS
sensors
get
the
location
。
When
the
Entertainment
icon
is
clicked
the
left
picture
will
be
shown.
the
multimedia
sound
comes
out
from
the
3.5
Aux
Jack,
which
should
be
connected
to
the
AUX
of
the
car
for
hi
‐
fidility
sound.
The
multimedia
files
should
be
stored
in
an
external
USB
storage
device
with
this
extension
cable
.
The
default
player
screen
of
movie
and
music
is
like
this,
the
user
can
touch
the
touch
panel
to
execute
the
wanted
function
.
