
| 6 • Contacting Patton for assistance | Model 4520 & 4110 Series Getting Started Guide | 
| 
 | 
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| 54 | Warranty Service and Returned Merchandise Authorizations (RMAs) | 

| 6 • Contacting Patton for assistance | Model 4520 & 4110 Series Getting Started Guide | 
| 
 | 
 | 
| 54 | Warranty Service and Returned Merchandise Authorizations (RMAs) |