Changed timeout scheme for params

src/ui/QGCParamWidget.cc

@@ -216,12 +216,13 @@ void QGCParamWidget::addParameter(int uas, int component, int paramCount, int pa
                 }
             }
 
-            // Start retransmission guard
-            setRetransmissionGuardEnabled(true);
-
             // Mark list size as known
             transmissionListSizeKnown.insert(component, true);
         }
+
+        // Start retransmission guard
+        // or reset timer
+        setRetransmissionGuardEnabled(true);
     }
 
     // Mark this parameter as received

src/ui/QGCParamWidget.h

@@ -99,7 +99,7 @@ protected:
     bool transmissionActive;         ///< Missing packets, working on list?
     quint64 transmissionStarted;     ///< Timeout
     QTimer retransmissionTimer;      ///< Timer handling parameter retransmission
-    const static int retransmissionTimeout = 800; ///< Retransmission request timeout, in milliseconds
+    const static int retransmissionTimeout = 250; ///< Retransmission request timeout, in milliseconds
 
     /** @brief Activate / deactivate parameter retransmission */
     void setRetransmissionGuardEnabled(bool enabled);