diff --git a/main/buzzer.cpp b/main/buzzer.cpp
index 9046cd1..7b4baaf 100644
--- a/main/buzzer.cpp
+++ b/main/buzzer.cpp
@@ -34,12 +34,13 @@ buzzer_t::buzzer_t(gpio_num_t gpio_pin_f, uint16_t msGap_f){
 //=========== beep ===========
 //============================
 //function to add a beep command to the queue
-void buzzer_t::beep(uint8_t count, uint16_t msOn, uint16_t msOff){
+void buzzer_t::beep(uint8_t count, uint16_t msOn, uint16_t msOff, bool noGap){
     //create entry struct with provided data
     struct beepEntry entryInsert = {
         count = count,
         msOn = msOn,
-        msOff = msOff
+        msOff = msOff,
+        noGap = noGap
     };
 
     // Send a pointer to a struct AMessage object.  Don't block if the
@@ -83,8 +84,10 @@ void buzzer_t::processQueue(){
                     gpio_set_level(gpio_pin, 0);                
                     vTaskDelay(entryRead.msOff / portTICK_PERIOD_MS);
                 }
-                //wait for minimum gap between beep events
-                vTaskDelay(msGap / portTICK_PERIOD_MS);
+                if( entryRead.noGap == false ){
+                    //wait for minimum gap between beep events
+                    vTaskDelay(msGap / portTICK_PERIOD_MS);
+                }
             }
         }else{ //wait for queue to become available
             vTaskDelay(50 / portTICK_PERIOD_MS);
diff --git a/main/buzzer.hpp b/main/buzzer.hpp
index ce6c2c6..dd9aab4 100644
--- a/main/buzzer.hpp
+++ b/main/buzzer.hpp
@@ -27,7 +27,7 @@ class buzzer_t {
 
         //--- functions ---
         void processQueue(); //has to be run once in a separate task, waits for and processes queued events
-        void beep(uint8_t count, uint16_t msOn, uint16_t msOff);
+        void beep(uint8_t count, uint16_t msOn, uint16_t msOff, bool noGap = false);
         //void clear(); (TODO - not implemented yet)
         //void createTask(); (TODO - not implemented yet)
 
@@ -45,6 +45,7 @@ class buzzer_t {
             uint8_t count;
             uint16_t msOn;
             uint16_t msOff;
+            bool noGap;
         };
 
         //queue for queueing up multiple events while one is still processing
diff --git a/main/config.cpp b/main/config.cpp
index 7a41419..e7fc5f6 100644
--- a/main/config.cpp
+++ b/main/config.cpp
@@ -11,5 +11,5 @@ gpio_evaluatedSwitch SW_PRESET2(GPIO_SW_PRESET2, false, true); //pullup false, I
 gpio_evaluatedSwitch SW_PRESET3(GPIO_SW_PRESET3, false, true); //pullup false, INVERTED (switch to 3V3, pulldown on pcb soldered)
 
 
-//create buzzer object with gap between queued events of 100ms 
-buzzer_t buzzer(GPIO_BUZZER, 100);
+//create buzzer object with no gap between beep events
+buzzer_t buzzer(GPIO_BUZZER, 0);
diff --git a/main/control.cpp b/main/control.cpp
index 54a54c1..1de6edc 100644
--- a/main/control.cpp
+++ b/main/control.cpp
@@ -209,14 +209,24 @@ void task_control(void *pvParameter)
             //read adc
             potiRead = readAdc(ADC_CHANNEL_POTI); //0-4095
             //scale to target length range
-            int lengthTargetNew = (float)potiRead / 4095 * 50000;
-            //round to whole meters
-            lengthTarget = round(lengthTarget / 1000) * 1000;
-            //update target length and beep if changed
+            int lengthTargetNew = (float)potiRead / 4095 * 30000;
+            //apply hysteresis and round to whole meters //TODO optimize this
+            if (lengthTargetNew % 1000 < 200) { //round down if less than .2 meter
+                ESP_LOGD(TAG, "Poti input = %d -> rounding down", lengthTargetNew);
+                lengthTargetNew = (lengthTargetNew/1000 ) * 1000; //round down
+            } else if (lengthTargetNew % 1000 > 800 ) { //round up if more than .8 meter
+                ESP_LOGD(TAG, "Poti input = %d -> rounding up", lengthTargetNew);
+                lengthTargetNew = (lengthTargetNew/1000 + 1) * 1000; //round up
+            } else {
+                ESP_LOGD(TAG, "Poti input = %d -> hysteresis", lengthTargetNew);
+                lengthTargetNew = lengthTarget;
+            }
+            //update target length and beep when effectively changed
             if (lengthTargetNew != lengthTarget) {
                 //TODO update lengthTarget only at button release?
                 lengthTarget = lengthTargetNew;
-                buzzer.beep(1, 60, 0);
+                ESP_LOGI(TAG, "Changed target length to %d mm", lengthTarget);
+                buzzer.beep(1, 25, 10);
             }
         }
         //beep start and end of editing
@@ -232,15 +242,15 @@ void task_control(void *pvParameter)
         if (controlState != MANUAL) { //dont apply preset length while controlling motor with preset buttons
             if (SW_PRESET1.risingEdge){
                 lengthTarget = 1000;
-                buzzer.beep(lengthTarget/1000, 50, 30);
+                buzzer.beep(lengthTarget/1000, 25, 30);
             }
             else if (SW_PRESET2.risingEdge) {
                 lengthTarget = 5000;
-                buzzer.beep(lengthTarget/1000, 50, 30);
+                buzzer.beep(lengthTarget/1000, 25, 30);
             }
             else if (SW_PRESET3.risingEdge) {
                 lengthTarget = 10000;
-                buzzer.beep(lengthTarget/1000, 50, 30);
+                buzzer.beep(lengthTarget/1000, 25, 30);
             }
         }
 
diff --git a/sdkconfig b/sdkconfig
index 88b886d..1cfc0bf 100644
--- a/sdkconfig
+++ b/sdkconfig
@@ -721,10 +721,10 @@ CONFIG_LOG_DEFAULT_LEVEL_INFO=y
 # CONFIG_LOG_DEFAULT_LEVEL_DEBUG is not set
 # CONFIG_LOG_DEFAULT_LEVEL_VERBOSE is not set
 CONFIG_LOG_DEFAULT_LEVEL=3
-CONFIG_LOG_MAXIMUM_EQUALS_DEFAULT=y
+# CONFIG_LOG_MAXIMUM_EQUALS_DEFAULT is not set
 # CONFIG_LOG_MAXIMUM_LEVEL_DEBUG is not set
-# CONFIG_LOG_MAXIMUM_LEVEL_VERBOSE is not set
-CONFIG_LOG_MAXIMUM_LEVEL=3
+CONFIG_LOG_MAXIMUM_LEVEL_VERBOSE=y
+CONFIG_LOG_MAXIMUM_LEVEL=5
 CONFIG_LOG_COLORS=y
 CONFIG_LOG_TIMESTAMP_SOURCE_RTOS=y
 # CONFIG_LOG_TIMESTAMP_SOURCE_SYSTEM is not set