Installing The Sim Card; Installing The Battery; Installation - Huawei ETS3253 User Manual

2

Installation

Before installing or removing the battery, indoor
Note
antenna or SIM card, swich off the FWT and
disconnect the FWT from the power adapter. To
prevent lighting from injuring human body,
remove the outdoor antenna too.

Installing the SIM Card

The SIM card and its golden contact can be
Note
easily damaged by a scratch or bend. Be care-
ful when installing or removing the SIM card.
Install the SIM card according to the following figure.
Make sure that the golden contact of the SIM card is
facing downwards.
4

Installing the Battery

• When the ambient temperature exceeds the
Note
temparature allowed for charging, the system
will stop charging the battery.
• When the power adapter is in use, the FWT
will automatically charge the battery and stop
it after the battery is fully charged.
• Take the battery out of the FWT if the FWT is
left unused for a long period.
• Make sure that the battery has been charged
for more than 8 hours before it supplies
power for the FWT at the first time. The
charging time depends on the environmental
temperature and the age of the battery.
• When installing battery, make sure that the
battery cord plug matches the battery jack.
Do not insert conversely.
Insert the connection cable of the battery into the bat-
tery cord jack, and then seat the battery in the bat-
tery container.