|   Upgrading 
Heng Long Tanks - Speaker     
A Step By Step Visual Guide  Click 
here for more information on Heng Long 
Tanks.    |    |   
    
  
                    
1. A replacement   speaker 
unit |    
2. The speaker connects 
to a socket underneath the main receiver board. | 
                   
3. The volume control is the small white switch.  |    
   
7. Note position of speaker 
unit in a Tiger 1. |   | Use 
a small screw driver to turn switch clockwise to reduce and anti-clockwise to 
increase volume! |       
  
 
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