Check the grabber and its accessories for scratches, flash, oil, damage, missing parts, etc.
查看grabber及其配件，是否有划伤、飞边、油污、破损、零件缺失等不良

Insert the battery into the battery slot, push the slider to lock, and the battery is not loose; loosen the slide cover and pull out the battery without any stuck. Try 3 times
电池插入电池槽内，推动滑盖锁紧，电池无松动；松开滑盖，拔出电池，无卡滞。反复试3次

With battery inside,  turn the power switch to “ON”, the power LED is on, press the green start button, the pump starts working, press the green button again, the button rebounds and the pump stops working
插上电池，拨动电源开关至“ON”，电源LED亮，按下绿色启动按钮，泵开始工作，再次按绿色按钮，按钮回弹，泵停止工作

Start grabber, place it on the plane, and grabber can quickly absorb
启动GRABBER，将它放置于平面上，grabber能很快吸附

Grab the grabber to the plane and press the red release button. The grabber can be quickly released.
将grabber吸附于平面，按压红色释放按钮，grabber能被快速释放

Plug in the battery, turn on the power switch, two or three LEDs are on
插上电池，打开电源开关，两个或者三个LED灯亮

Plug in the battery, turn on the power switch, two or three LEDs are on
插上电池，打开电源开关，两个或者三个LED灯亮

Finally, check whether packed with all the neccessary accessories
最后检查所有的配件是否有遗漏

Check the charger and plug whether worked normally.
检测充电器和插头是否正常工作