K
K
N
N
O
O
W
W
Y
Y
O
O
U
U
R
R
D
D
E
E
V
V
I
I
C
C
E
E
This is a sketch for EC121. The actual product may differ.
USB connector
Connects to the USB port of a PC
Indicator
It indicates the status of the EC121.
On: The EC121 is powered on.
Blinking once every 2s: The EC121 is searching for the network or the network is not
found.
Blinking twice every 2s: The network is found.
Blinking once every 0.2s: The EC121 is engaged in a call or a data service.
S
S
Y
Y
S
S
T
T
E
E
M
M
R
R
E
E
Q
Q
U
U
I
I
R
R
E
E
M
M
E
E
N
N
T
T
S
S
To use the EC121, the computer must meet the following requirements:
Supporting OS
Windows 2000 SP4, Windows XP SP2, Windows Vista
Mac OS X 10.4 and 10.5 with latest upgrades
Your computer’s hardware system should meet or exceed the recommended system
requirements for the installed version of OS
Display resolution: 800 × 600 or above
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