Safety requirement 
    EN 
DPO7000 Performance Verification Guide                                                       Copyright © Qingdao Hantek Electronics Co., LTD 
2 
⚫  Maintain proper ventilation. 
⚫  Do not operate in a humid environment. 
⚫  Do not operate in inflammable or explosive environment. 
⚫  Please keep the product surface clean and dry. 
Warning: 
Equipment that meets Class A requirements may not provide adequate protection 
for broadcast services in residential environments. 
1.2  Security terms and signs                                                       
Security terms in this manual: 
Warning: 
Indicates that the operation may not cause immediate damage to you. 
Note: 
Indicates that the operation may cause damage to the product or other property. 
Safety terms on products: 
Warning: 
Indicates a potential hazard may be caused to you if you do not perform this 
operation. 
Safety signs on the product: