V. Mouse operation  
Action  Description 
Select 
Press and hold the primary mouse button (left mouse 
button by default). 
Click 
Select and release the primary mouse button without 
moving the pointer. 
Double-Click 
Press the primary mouse button twice continuously and 
quickly without moving the pointer. 
Drag 
Press and hold the primary mouse button and move the 
pointer to a certain position. 
 
VI. Symbols 
Eye-catching symbols are also used in the manual to highlight the points worthy of 
special attention during the operation. They are defined as follows: 
 Caution, Warning, Danger: Means reader be extremely careful during the 
operation. 
 Note, Comment,  Tip, Knowhow, Thought: Means a complementary 
description. 
Environmental Protection 
This product has been designed to comply with the requirements on environmental 
protection. For the proper storage, use and disposal of this product, national laws and 
regulations must be observed. 
Huawei Technologies Proprietary