SHENZHEN JUMPER COMPUTER TECHONOLOGY ET15 User Manual

[Attention] 

    When you are working or playing games with the computer, please 

adjust the environment and the computer to keep your body in a 

comfortable and flexible state. The following suggestions can help you 

to have a more comfortable environment.

1. Support your back:

Select a chair that supports lower back.

Adjust the height of work surface and the chair to keep them in a 

comfortable and natural state. 

2. Keep the legs in a comfortable state:

Clear the articles under the table to make the position and movement 

of your legs more comfortable.

If you can't rest your feet on the floor, please use a footstool.

Please refer to the figure below and understand the function and 

description of the components on front panel. 

         High quality LCD display
     

1. Digital camera (

)

2. 

. 
.  

          The built-in digital camera allow you to transmit video connection.

Product Manual

Please read carefully before operating.

For easy understanding and attracting your attention, we will prompt 

you according to the following grades and special warning languages in 
this or following chapters when it relates to product safety or requires 
attention. The safety information in this chapter isn't complete. For your 
safety and benefits, we will describe certain safety information in the 
following chapters in this manual. Please read them carefully no matter 
where the safety information is.

In addition to the precautions stated in special warnings, you also 

need to pay attention to other content and introduction in this manual. 

Do not disassemble and maintain this device by yourself, 

or else the warranty is violated. 

If the battery isn't replaced properly, it may cause explosion.

 Please replace same battery according to the manual and dispose 

the used battery according to the manufacturer's instruction. 

Do not splash or approach the liquid, rain water or damp the 

device. This product isn't designed with waterproof or 

oil-proof materials. 

1. To ensure the safety of yourself and the device, please earth the 

external power supply properly. If you won't use the device for a long 
time, please pull out the plug to avoid temporary overvoltage and 
damaging the system. The local power supply should be stable and isn't 
interfered with. If you don't know the specification of local power supply, 
please consult local retailer or power plant. For your safety, do not 
damage the plug of the power plug. Do not pull the power cord to 
disconnect the power supply. Please hold the plug to ensure the safety. 
Please pull out the plug before cleaning the computer. Do not 
disassemble the power adapter. 

2. Do not put the computer near water. 
3. Install the computer on stable support, or else the computer may 

fall off and cause serious damage. 

4. Do not put the wires at the places where people come and go, to 

avoid trampling the wires. Do not put any object on the wires. 

5. Follow all the warnings and labels on the computer. 
6. If you won't use the device for a long time, please pull out the plug 

to avoid damage caused by temporary overvoltage.

7. Do not splash any liquid on the computer, which may cause fire or 

electric shock. 

8. If any of the following conditions occur, please ask qualified 

personnel for help:

a. The power cord or plug is damaged or worn
b. The liquid is splashed on the computer
c. The computer is drenched or splashed with water
d. You have been following the operation instructions, but the 

3. Reduce the bend and turn of neck:

Put the LCD in the center in front of you. If you read documents more 

frequent than the display, you can put the documents in front of you 

directly and put the display on the side.

You can use document shelf and put the documents close to eye level. 

Keep the screen top close to eye level. The people suffering from 

astigmatism may need to keep the screen lower, or consult the qualified 

health experts about the glasses suitable for working with computer.

4. Reduce eye fatigue:

Put the display in the distance of your arm and sit in front of the 

display comfortably.

Avoid glare. The display should be away from the light source that 

may cause glare, or control the light intensity with curtain. 

Please clean the screen, as well as your glasses. 

Please adjust the brightness, contrast and font size of the display to 

the comfortable state.

When you are operating the keyboard, please press the keys gently 

and keep your hands and fingers relaxing. 

Do not put your palms or wrists on the objects with large angle to rest 

when you are typing. If necessary, take a rest when you are typing.

When you are not typing, relax your arms and hands. Do not rest on 

the edge of objects, such as desk edge.

Adjust your chair and do not make the seat squeeze knees back.

45cm-70cm

Relax your shoulders

Forearm and hand keep in 
one horizontal level

Forearm keeps flat 
or decline

Support waist

A little decline of thigh

Eyesight and top screen 
keep in one horizontal 
level or a little lower

Change screen direction 
in case of reflecting 
strong lights.

Spare certain spaces 
under work plat.

Feet lay flat on the floor 
or lay on footrest

    computer still can't work normally
e. The computer ever fell off or the shell is damaged
f. The computer has been damaged obviously
9. Please refer to the product specifications for the operating and  

storage temperature. The computer may be damaged permanently  if the 
temperature isn't in specified range (0 -40

). 

10. Do not use the computer at the places near water or other liquids. 

Do not splash liquids on the computer. 

11. Do not remove the hard disk when the computer is running, or 

else the data may be lost or damaged. Back up the data before 
formatting the hard disk. Back up important data in time and we are not 
responsible for the data loss hereby. 

12. Only the qualified personnel of our Computer can assemble and 

disassemble the computer. Please keep the seal intact, or else the 
warranty or guarantee will be violated. 

13. If you have set password, please remember the password and 

enter it to turn on the computer. If you have forgotten the password, 
please contact the supplier or service center. However, the data may be 
lost. 

14. If you use extension power cord, please make sure that the total 

amperage of all the devices connected to the extension cord doesn't 
exceed the rated power. 

15. Keep the vents in the computer unblocked. Do not block or cover 

these vents, or insert any object into the vents, so as to keep the space 
around the computer ventilated.