Fujian LANDI Commercial Equipment Co. Ltd. E850RFWDWF Manuel D’Utilisation

 

 

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The wireless communication feature requires the support from local telecom operators. To use such function, you should 
obtain the data-enabled SIM/UIM card from local telecom operators. You can then insert this card into E850 card slot; and 
power the device on to implement corresponding operations. When the LCD display the signal icon, it represents the network 
is successfully connected. If connection fails, please check: 

 

　  
— 

If the device supports WCDMA function; 

— 

If SIM/UIM card is effective and corresponding data function is opened; 

— 

If it is within the radio base station network signal coverage;

 

　  

— 

If the power supply is sufficient. 

 

 

2、

The power of RF signal transmission is not fixed, it will be adjusted depending on current network situation, to be radiated 
with required transmission quality at minimum power. 
  
Following is the maximum transmission power of terminals with various wireless communication standards. 

 

—  In general, transmission power of  WCDMA is 0.2W 
 

 NOTE 
WCDMA module radiation: ５

５

         

3、

There is still no last word about the effects of the WCDMA to human health. But if you are concerned about radiation, please 
follow the rules as below: 
Stay far away from the terminal.  
Stay far away from the terminal at the beginning of 1-2s while connected. 
Do not dismantle the terminal without permission; otherwise it will cause internal electromagnetic leakage. 
 

4、

Malfunction may occur to the device under RF energy radiation if there are no electromagnetic protection measures. Please be 
noted to check if the device in the vicinity has been preventing from electromagnetic. 

 

5、

 

6、Usages notes under inflammable, explosive situations 

Take appropriate measures to prevent from possible explosion while using the device with wireless communication function 
under flammable and explosive occasions; or use the device with corresponding explosion-proof label. 

 

7、Usages notes under medical occasions 

Device with wireless configurations may cause interference to some medical electronic equipment. It is not allowed to use such 
device in the vicinity of patient with pacemakers. 

 

8、Usage noted  thunderstorm weather 

According to some relevant reports, the mobile phone electromagnetic wave is good conductor of lightning. It is much easier to 
suffer lightning strike when the damp atmosphere form a magnetic conductivity, especially in open areas. Do not use wireless 
terminals under thunderstorm weather. 

 

Q: 

The terminal cannot be started. 

A: The device might be under low energy status or the program may be damaged. Please make sure the power is enough and then 
restart your device. If it still fails,  please contact our customer service department for help. 
Q:

 The battery cannot  be charged. 

A: Please use only the power supply provided by our company. Using wrong type of power supply will probably  damage the