
LLS-300T User manual
8. Matters needing attention
1. Please pay attention to waterproof for electronic products.
2. Please insert the SIM card before installation to ensure that the SIM card does not
have a password, otherwise the device will not work properly.
3. The USB port on the terminal device is only for factory testing, it is not a device
charging port, please do not use it for charging or other purposes.
4. The top of the installation location must be a place that is not shielded by
substances that absorb electromagnetic waves (such as metal, explosion-proof heat
insulation film).
5. Do not expose the device to liquids or operate with wet hands.
6. Do not throw the device into fire.
7. The device may not work when the temperature is lower than -40°C or higher than
+85°C.
8. When the vehicle is in an underground parking lot, tunnel or garage, it will affect
the positioning signal. And there may be a blind area of the communication
Indicates that the GPRS has no signal
or cannot be registered on the network
and flashes slowly
Drive the vehicle to a location with
good signal and use the terminal
Abnormal communication, broken
lights, power switch OFF or sleep
The positioning module is damaged,
the power switch is OFF or enters sleep
mode
Please drive the vehicle to a place
with a good network signal and try to
reinstall
The terminal works abnormally
The terminal searched for satellite
signals, but failed to locate effectively
Put the device in the open