diff --git a/src/frsky.cpp b/src/frsky.cpp
index 7ef2ea4d7..de1974508 100644
--- a/src/frsky.cpp
+++ b/src/frsky.cpp
@@ -644,20 +644,17 @@ void check_frsky()
   if (isFunctionActive(FUNC_VARIO)) {
 #if defined(AUDIO)
     int16_t verticalSpeed = 0;
-    //vertical speed in 0.01m/s now
-    //not baro vario only has additional resolution
-    //A1/A2 need conversion there
-    //GPS source need precision to be set, my gps gives 0.1m resolution
-    /*if (g_model.varioSource == BARO_SOURCE_BARO)*/
-      verticalSpeed = limit((int16_t)(-VARIO_SPEED_LIMIT*100), (int16_t)frskyHubData.varioSpeed, (int16_t)(+VARIO_SPEED_LIMIT*100));
-    /*else
-      verticalSpeed = limit((int16_t)-VARIO_SPEED_LIMIT, (int16_t)(frskyHubData.varioSpeed), (int16_t)+VARIO_SPEED_LIMIT)*100;*/
+    //TODO: get negative values in Up Speed to shift zero, i.e. get positive sound on small negative speeds
+	  // positive values in g_model.varioSpeedUpMin must works same as now
+	  // negative must make an offset in sounds
+	  // also changes need in model_menus.cpp
+    verticalSpeed = limit((int16_t)(-VARIO_SPEED_LIMIT*100), (int16_t)frskyHubData.varioSpeed, (int16_t)(+VARIO_SPEED_LIMIT*100));
 
     uint8_t SoundAltBeepNextFreq = 0;
     uint8_t SoundAltBeepNextTime = 0;
     static uint8_t SoundAltBeepFreq = 0;
     static uint8_t SoundAltBeepTime = 0;
-    if ((verticalSpeed < g_model.varioSpeedUpMin*VARIO_SPEED_LIMIT_MUL) && (verticalSpeed > (255 - g_model.varioSpeedDownMin)*(-VARIO_SPEED_LIMIT_MUL))) { //check thresholds here in cm/s
+    if ((verticalSpeed < g_model.varioSpeedUpMin*VARIO_SPEED_LIMIT_MUL) && (verticalSpeed > (VARIO_SPEED_LIMIT_DOWN_OFF - g_model.varioSpeedDownMin)*(-VARIO_SPEED_LIMIT_MUL))) { //check thresholds here in cm/s
       SoundAltBeepNextFreq = (0);
       SoundAltBeepNextTime = (0);
     }
diff --git a/src/frsky.h b/src/frsky.h
index 030eb0802..f24b57375 100644
--- a/src/frsky.h
+++ b/src/frsky.h
@@ -68,9 +68,12 @@ class FrskyData: public FrskyRSSI {
 #define EARTH_RADIUSKM ((uint32_t)6371)
 #define EARTH_RADIUS ((uint32_t)111194)
 
-#define VARIO_QUEUE_LENGTH    5
-#define VARIO_SPEED_LIMIT     10 //m/s
-#define VARIO_SPEED_LIMIT_MUL 20 //to get 0.2m steps
+#define VARIO_QUEUE_LENGTH          5
+#define VARIO_SPEED_LIMIT           10 //m/s
+#define VARIO_SPEED_LIMIT_MUL       10 //to get 0.2m steps
+#define VARIO_SPEED_LIMIT_DOWN_OFF  (100+1) //100 steps + OFF
+#define VARIO_SPEED_LIMIT_UP_CENTER 15
+#define VARIO_SPEED_LIMIT_UP_MAX    31
 
 #if defined(FRSKY_HUB)
 PACK(struct FrskyHubData {
diff --git a/src/model_menus.cpp b/src/model_menus.cpp
index 2d48a1357..f2167b42b 100644
--- a/src/model_menus.cpp
+++ b/src/model_menus.cpp
@@ -2331,16 +2331,17 @@ void menuProcTelemetry(uint8_t event)
 
       case ITEM_TELEMETRY_VARIO_SPEED:
         lcd_puts(4, y, STR_LIMIT);
-        lcd_outdezAtt(TELEM_COL2, y, -VARIO_SPEED_LIMIT_MUL*(255 - g_model.varioSpeedDownMin), ((attr && m_posHorz==0) ? blink : 0)|PREC2|LEFT);
+		    if(!g_model.varioSpeedDownMin) lcd_putsAtt(TELEM_COL2, y, STR_OFF, ((attr && m_posHorz==0) ? blink : 0));
+        else lcd_outdezAtt(TELEM_COL2, y, -VARIO_SPEED_LIMIT_MUL*(VARIO_SPEED_LIMIT_DOWN_OFF - g_model.varioSpeedDownMin), ((attr && m_posHorz==0) ? blink : 0)|PREC2|LEFT);
         lcd_outdezAtt(TELEM_COL2+6*FW, y, VARIO_SPEED_LIMIT_MUL*g_model.varioSpeedUpMin, ((attr && m_posHorz==1) ? blink : 0)|PREC2|LEFT);
 
         if (attr && (s_editMode>0 || p1valdiff)) {
           switch (m_posHorz) {
             case 0:
-              g_model.varioSpeedDownMin = checkIncDec(event, g_model.varioSpeedDownMin, 0, 255, EE_MODEL);
+              g_model.varioSpeedDownMin = checkIncDec(event, g_model.varioSpeedDownMin, 0, VARIO_SPEED_LIMIT_DOWN_OFF, EE_MODEL);
               break;
             case 1:
-              CHECK_INCDEC_MODELVAR(event, g_model.varioSpeedUpMin, 0, 15);
+              CHECK_INCDEC_MODELVAR(event, g_model.varioSpeedUpMin, 0, VARIO_SPEED_LIMIT_UP_MAX);
               break;
           }
         }
diff --git a/src/myeeprom.h b/src/myeeprom.h
index 3adce1ee3..7da4b918d 100644
--- a/src/myeeprom.h
+++ b/src/myeeprom.h
@@ -569,8 +569,8 @@ PACK(typedef struct t_ModelData {
   
   // TODO:temporary place, need to move to frskydata
   uint8_t varioSource:4;
-  uint8_t varioSpeedUpMin:4;    // if increment in 0.2m/s = 3.0m/s max
-  uint8_t varioSpeedDownMin;
+  uint8_t varioSpeedUpMin:5;    // if increment in 0.2m/s = 3.0m/s max
+  uint8_t varioSpeedDownMin:7;
 }) ModelData;
 
 extern EEGeneral g_eeGeneral;