diff --git a/function-diagram.drawio b/function-diagram.drawio
index 4a09147..d73ef85 100644
--- a/function-diagram.drawio
+++ b/function-diagram.drawio
@@ -1 +1 @@
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</diagram></mxfile>
\ No newline at end of file
diff --git a/function-diagram.drawio.pdf b/function-diagram.drawio.pdf
index 648b948..21e29cc 100644
Binary files a/function-diagram.drawio.pdf and b/function-diagram.drawio.pdf differ
diff --git a/main/control.cpp b/main/control.cpp
index 8c83fef..62cb483 100644
--- a/main/control.cpp
+++ b/main/control.cpp
@@ -137,6 +137,32 @@ bool handleStopCondition(){
     }
 }
 
+
+//===== set dynamic speed level =====
+//function that sets the vfd speed level dynamicly depending on the remaining distance
+//closer to target -> slower
+void setDynSpeedLvl(uint8_t lvlMax = 3){
+    uint8_t lvl;
+    //define speed level according to difference
+    if (lengthRemaining < 50) {
+        lvl = 0;
+    } else if (lengthRemaining < 200) {
+        lvl = 1;
+    } else if (lengthRemaining < 600) {
+        lvl = 2;
+    } else { //more than last step remaining
+        lvl = 3;
+    }
+    //limit to max lvl
+    if (lvl > lvlMax){
+        lvl = lvlMax;
+    }
+    //update vfd speed level
+    vfd_setSpeedLevel(lvl);
+}
+
+
+
            
 //========================
 //===== control task =====
@@ -151,7 +177,7 @@ void task_control(void *pvParameter)
     //-----------------------------------
     //------- display welcome msg -------
     //-----------------------------------
-    //display welcome message on 2 7 segment displays
+    //display welcome message on two 7 segment displays
     //show name and date
     ESP_LOGI(TAG, "showing startup message...");
     max7219_clear(&display);
@@ -166,6 +192,7 @@ void task_control(void *pvParameter)
         vTaskDelay(pdMS_TO_TICKS(50));
     }
 
+
     //================
     //===== loop =====
     //================
@@ -184,6 +211,7 @@ void task_control(void *pvParameter)
         SW_PRESET3.handle();
 
 
+
         //----------------------------
         //------ rotary encoder ------
         //----------------------------
@@ -194,7 +222,6 @@ void task_control(void *pvParameter)
 
 
 
-
         //---------------------------
         //--------- buttons ---------
         //---------------------------
@@ -281,26 +308,20 @@ void task_control(void *pvParameter)
                 break;
 
             case WINDING_START: //wind slow for certain time
-                //TODO: cancel when there is no cable movement anymore e.g. empty
+                //set vfd speed depending on remaining distance 
+                setDynSpeedLvl(1); //limit to speed lvl 1 (force slow start)
                 if (esp_log_timestamp() - timestamp_motorStarted > 2000) {
                     changeState(WINDING);
                 }
                 handleStopCondition(); //stops if button released or target reached
+                //TODO: cancel when there was no cable movement during start time?
                 break;
 
-            case WINDING: //wind at dynamic speed
-                //adjust speed according to difference
-                if (lengthRemaining < 50) {
-                    vfd_setSpeedLevel(0);
-                } else if (lengthRemaining < 200) {
-                    vfd_setSpeedLevel(1);
-                } else if (lengthRemaining < 600) {
-                    vfd_setSpeedLevel(2);
-                } else { //more than last step remaining
-                    vfd_setSpeedLevel(3);
-                }
-                //TODO add timeout
+            case WINDING: //wind fast, slow down when close
+                //set vfd speed depending on remaining distance 
+                setDynSpeedLvl(); //slow down when close to target
                 handleStopCondition(); //stops if button released or target reached
+                //TODO: cancel when there is no cable movement anymore e.g. empty / timeout?
                 break;
 
             case TARGET_REACHED: