3
3
.
.
3
3
.
.
U
U
s
s
i
i
n
n
g
g
t
t
h
h
e
e
E
E
x
x
t
t
e
e
r
r
n
n
a
a
l
l
A
A
u
u
d
d
i
i
o
o
S
S
y
y
s
s
t
t
e
e
m
m
At the right side of your Tablet PC, you will find the built-in audio ports
for connecting Microphone jacks, earphone or powered speaker.
To connect to an audio jack:
1. Locate the audio ports (Microphone and Headphone) that you
want to use to the target device.
2. Plug the jack into the port on the right side of the system.
3
3
.
.
4
4
.
.
I
I
n
n
s
s
t
t
a
a
l
l
l
l
i
i
n
n
g
g
t
t
h
h
e
e
B
B
a
a
t
t
t
t
e
e
r
r
y
y
(
(
o
o
p
p
t
t
i
i
o
o
n
n
a
a
l
l
)
)
T70C provides optional external battery to extend the power of your
system.
For installing the battery pack, please follow the steps below:
1. Turn off the system.
2. Align the hook wall at the rear side, then place and screw it
securely.
3. Remove the cover of the external battery connector (as marked
below) and place it on the lower position (as marked
below).
