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SMT-i5243 User Guide _3
Caution
CAUTION
Doing so may cause the damage to the product and
the product to be out of order.
Power
Do not power off the phone while upgrading a program.
General
The LAN cable to the network
should be connected to the LAN
port of a phone, NOT to the PC
connection port.
Use a soft and dry cloth when
cleaning the phone.
Do not spray water directly onto
the product; and do not use
chemicals such as wax, benzene,
alcohol, thinner, mosquito killer,
perfume spray, lubricant,
detergent, etc.
Do not place a heavy object on top
of the phone.
Do not disassemble, repair or
modify the phone without a reason
for doing so.
Do not install the phone under
direct sunlight.
This product does not have the
function to support a USB port.
Do not connect an optional USB
device to the USB port.