16 
Warning and Notice 
To the Users 
•  If inadequately shielded, some electronic devices, for example, the 
electronic  system  of  vehicles,  may  be  affected  by  the 
electromagnetic  interference  caused  by  the  device.  Consult  the 
manufacturers of such devices before using the device if necessary. 
•  Operating the device may interfere with medical instruments such 
as hearing aids and pacemakers. Always keep the device more than 
20  centimeters  away  from  such  medical  instruments  when  your 
device is powered on. Power off the device if necessary. Consult a 
physician or the manufacturers of medical instruments before using 
the device if necessary. 
•  Be aware of the usage limitation  when using the device at  places 
such  as  oil  warehouses  or  chemical  factories,  where  there  are 
explosive gases or explosive products being processed. Power off 
the device if necessary. 
•  Do  not  use  electronic  transmission  devices  in  aircrafts,  at  petrol 
stations or in hospitals. Observe  and  obey all warning signs, and 
power off the device in these conditions. 
•  Do not touch the inner antenna area unless necessary. Otherwise 
the performance of the device may be affected. 
•  Do not use the  device in an enclosed environment or  where heat 
dissipation  is  poor.  Prolonged  work  in  such  space  may  cause 
excessive heat and raise ambient temperature, which may lead to 
automatic shutdown of the device for your safety. In the case of such 
event, cool the device in a well-ventilated place before turning on for 
normal use. 
•  Keep the device out of the reach of small children. The device may 
cause an injury if used as a toy. 
•  When the device is operating, do not touch the metallic parts. Failing