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Antenna
EC301/321/351 adopts built-in antenna that can be pulled out and adjusted in any
directions freely. When using the EC301/321/351, you may adjust the angle of
the antenna according to the actual signal reception situation so as to reach a
most favorable signal reception quality.
Warning:
After pulling out the data card antenna, do not wobble it at will.
Otherwise, the antenna might be damaged and cannot receive network
signals due to strong impacts.
Earphone Jack
Please insert your earphone into the jack on the EC301/321/351 when you have
call service.
Indicator
This LED indicates the status of your EC301/321/351. Normally, the indicator is
green.
Indicator status
The indicator is not shinning.
The indicator is shinning all the
time.
Single-flash:
The indicator is flashing every
two seconds.
Double-flash:
The indicator is shining two
times every two seconds.
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EC321 is disabled.
EC321 is to startup.
After the startup, EC321 is searching the
network or EC321 can not find the network
and need to authenticate by PIN or de-lock
by PUK.
EC321 is in the state of stand-by or
conversation.
Meaning
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