14
ALWAYS DISCONNECT
the power supply before starting to mount the
device!
ALWAYS DISCONNECT
the device’s power supply before inserting,
removing or replacing the SIM card!
TO SWITCH OFF
the device, disconnect all power sources, including the
power supply and USB!
The computer connected to the device must
always be connected to the
protective ground
!
DO NOT USE
a computer to program the device that is not connected to the
protective ground. To avoid a ground loop, the power supply of the computer
and the device must use the same grounding!
DO NOT ATTEMPT
to repair the device. Only qualified personnel is allowed
to repair the device!
PROVIDE APPROPRIATE POWER SOURCE
for the device. The device
operates safely and properly only with a power supply which meets even the
maximal requirements specified in the user’s manual. You can find the exact
data in the user’s manual and on the
DO NOT USE
the device with a power supply that does not meet the MSZ
EN 60950-1 standard!
DO NOT REVERSE THE POLARITY
of the power supply! Wire the power
supply always according to the polarity indicated on the device!
DO NOT CONNECT
the antenna connector to the protective ground! Do not
connect the metallic parts of the antenna connector or the device
’s terminals
directly or indirectly to the protective ground, because this may damage the
device!
ATTENTION!
The product is provided with built-in automatic power
disconnection (
Under Voltage Lock Out
) function. The device will turn off
automatically when the supply voltage drops under a critical level.