Quick start 
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1.  Power button   
2.  VFD display 
3.  Compound key, the local switch key and power switch 
4.  Numeric keys and ESC 
5.  Function keys 
6.  UP, DOWN, LEFT and RIGHT key 
7.  Rotary knob   
12.  Fan 
 
2.3 Key introduction 
 
 
Key description, see the table below: 
Keys