7
can change it into any numeric string of 4 to 8 digits.
When the FWT is locked, enter the lock code to unlock the FWT first; otherwise, you can only make
emergency calls or answer calls.
PIN and PUK (Optional)
The personal identity number (PIN) protects your UIM card from unauthorized use. The PIN
unblocking key (PUK) can unblock the blocked PIN. If you enter wrong PIN codes for multiple times,
your UIM card is locked. In this case, you need to enter the PUK code to unlock the UIM card. Both
the PIN and PUK are delivered with the UIM card. For details, consult your service provider.
Keypad Lock
In standby mode, press and hold the
#
key to lock the keypad.
In standby mode, press
and then press the
*
key to unlock the keypad.
In standby mode, if the automatic keypad lock function is enabled and the standby time exceeds the
preset period, the keypad will be automatically locked.
Warnings and Precautions
This section contains important information pertaining to the operating instructions of your device. It
also contains information about how to use the device safely. Read this information carefully before
using your device.
Electronic Device
Power off your device if using the device is prohibited. Do not use the device when using the device
causes danger or interference with electronic devices.
Medical Device
Follow rules and regulations set forth by hospitals and health care facilities. Do not use your device
when using the device is prohibited.
Pacemaker manufacturers recommend that a minimum distance of 15 cm be maintained between
a device and a pacemaker to prevent potential interference with the pacemaker. If you are using a
pacemaker, use the device on the opposite side of the pacemaker and do not carry the device in
your front pocket.
Some wireless devices may affect the performance of hearing aids. For any such problems,
consult your service provider.
Potentially Explosive Atmosphere
Power off your device in any area with a potentially explosive atmosphere, and comply with all signs
and instructions. Areas that may have potentially explosive atmospheres include the areas where you
would normally be advised to turn off your vehicle engine. Triggering of sparks in such areas could
cause an explosion or a fire, resulting in bodily injuries or even deaths. Do not power on your device
at refueling points such as service stations. Comply with restrictions on the use of radio equipment in
fuel depots, storage, and distribution areas, and chemical plants. In addition, adhere to restrictions in
areas where blasting operations are in progress. Before using the device, watch out for areas that
have potentially explosive atmospheres that are often, but not always, clearly marked. Such locations
include areas below the deck on boats, chemical transfer or storage facilities, and areas where the air
contains chemicals or particles such as grain, dust, or metal powders. Ask the manufacturers of
vehicles using liquefied petroleum gas (such as propane or butane) whether this device can be safely