diff --git a/UI.hpp b/UI.hpp
index af2cf78..2500178 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -118,7 +118,6 @@ const uint8_t scroll_bar[5][8] = {
   {B10001, B10001, B10001, B10001, B10001, B10001, B11111, B11111}  // scrollbar bottom
 };
 
-
 const uint8_t block_bar[5][8] = {
   {B10000, B10000, B10000, B10000, B10000, B10000, B10000, B10000},
   {B11000, B11000, B11000, B11000, B11000, B11000, B11000, B11000},
@@ -126,6 +125,8 @@ const uint8_t block_bar[5][8] = {
   {B11110, B11110, B11110, B11110, B11110, B11110, B11110, B11110},
   {B11111, B11111, B11111, B11111, B11111, B11111, B11111, B11111}
 };
+
+enum { SCROLLBAR, BLOCKBAR };
 enum { ENC_R, ENC_L };
 enum { MENU_START, MENU_VOICE, MENU_EDIT, MENU_VOLUME };
 enum {MENU_VOICE_BANK, MENU_VOICE_SOUND};
@@ -201,6 +202,8 @@ void UI_function_not_enabled(void);
 void UI_function_not_implemented(uint8_t param);
 void lcd_display_int(int16_t var, uint8_t size, bool zeros, bool brackets, bool sign);
 void lcd_display_float(float var, uint8_t size_number, uint8_t size_fraction, bool zeros, bool brackets, bool sign);
+void lcd_display_bar(const char* title, uint32_t value, uint32_t max_value, bool init);
+void lcd_special_chars(uint8_t mode);
 
 // normal menu
 LCDMenuLib2_menu LCDML_0(255, 0, 0, NULL, NULL); // normal root menu element (do not change)
@@ -234,6 +237,7 @@ uint8_t g_LCDML_CONTROL_prev[NUM_ENCODER] = {0, 0};
 
 #ifdef U8X8_DISPLAY
 const uint8_t * flipped_scroll_bar[5];
+const uint8_t * flipped_block_bar[5];
 
 uint8_t * rotTile(const uint8_t * tile) {
   uint8_t * newt = new uint8_t[8];
@@ -268,24 +272,7 @@ void setup_ui(void) {
   lcd.setCursor(0, 1);
   lcd.print(F("(c)parasiTstudio"));
 
-#ifdef I2C_DISPLAY
-  // set special chars for scrollbar
-  lcd.createChar(0, (uint8_t*)scroll_bar[0]);
-  lcd.createChar(1, (uint8_t*)scroll_bar[1]);
-  lcd.createChar(2, (uint8_t*)scroll_bar[2]);
-  lcd.createChar(3, (uint8_t*)scroll_bar[3]);
-  lcd.createChar(4, (uint8_t*)scroll_bar[4]);
-  // set special chars for volumeba
-  lcd.createChar(5, (uint8_t*)block_bar[0]);
-  lcd.createChar(6, (uint8_t*)block_bar[1]);
-  lcd.createChar(7, (uint8_t*)block_bar[2]);
-  lcd.createChar(8, (uint8_t*)block_bar[3]);
-  lcd.createChar(9, (uint8_t*)block_bar[4]);
-#else
-  for (int x = 0; x < 5; x++) {
-    flipped_scroll_bar[x] = rotTile(scroll_bar[x]);
-  }
-#endif
+  lcd_special_chars(SCROLLBAR);
 
   // LCDMenuLib Setup
   LCDML_setup(_LCDML_DISP_cnt);
@@ -306,6 +293,7 @@ void lcdml_menu_control(void)
 
   if (back_from_volume > BACK_FROM_VOLUME_MS && menu_state == MENU_VOLUME)
   {
+    lcd_special_chars(SCROLLBAR);
     UI_func_voice_selection(0);
     return;
   }
@@ -598,8 +586,8 @@ void encoder_left_up(void)
   Serial.println(F("Volume +"));
 #endif
   configuration.vol = constrain(configuration.vol + VOLUME_ENC_STEPS, VOLUME_MIN, VOLUME_MAX);
-  eeprom_write();
-  set_volume(configuration.vol, configuration.mono);
+  //eeprom_write();
+  //set_volume(configuration.vol, configuration.mono);
 
   UI_func_volume(0);
 }
@@ -610,8 +598,8 @@ void encoder_left_down(void)
   Serial.println(F("Volume -"));
 #endif
   configuration.vol = constrain(configuration.vol - VOLUME_ENC_STEPS, VOLUME_MIN, VOLUME_MAX);
-  eeprom_write();
-  set_volume(configuration.vol, configuration.mono);
+  //eeprom_write();
+  //set_volume(configuration.vol, configuration.mono);
 
   UI_func_volume(0);
 }
@@ -2856,9 +2844,8 @@ void UI_func_portamento_time(uint8_t param)
 
   if (LCDML.FUNC_setup())         // ****** SETUP *********
   {
-    // setup function
-    lcd.setCursor(0, 0);
-    lcd.print(F("Portam. Time"));
+    lcd_special_chars(BLOCKBAR);
+    lcd_display_bar("Portam. Time", configuration.dexed[instance_id].portamento_time, PORTAMENTO_TIME_MAX, true);
   }
 
   if (LCDML.FUNC_loop())          // ****** LOOP *********
@@ -2886,14 +2873,18 @@ void UI_func_portamento_time(uint8_t param)
 
       MicroDexed[instance_id]->setPortamentoMode(configuration.dexed[instance_id].portamento_mode, configuration.dexed[instance_id].portamento_glissando, configuration.dexed[instance_id].portamento_time);
     }
+    /*
+        lcd.setCursor(0, 1);
+        lcd_display_int(configuration.dexed[instance_id].portamento_time, 2, false, true, false);
+    */
 
-    lcd.setCursor(0, 1);
-    lcd_display_int(configuration.dexed[instance_id].portamento_time, 2, false, true, false);
+    lcd_display_bar("Portam. Time", configuration.dexed[instance_id].portamento_time, PORTAMENTO_TIME_MAX, false);
   }
 
   if (LCDML.FUNC_close())     // ****** STABLE END *********
   {
     // you can here reset some global vars or do nothing
+    lcd_special_chars(SCROLLBAR);
     eeprom_write();
   }
 }
@@ -3147,83 +3138,24 @@ void UI_func_voice_selection(uint8_t param)
 
 void UI_func_volume(uint8_t param)
 {
-  uint8_t vi, vf;
-  float _v, _vi;
-
 #ifdef DEBUG
   Serial.println(F("UI_func_volume()"));
 #endif
 
   back_from_volume = 0;
 
-  _v = float(configuration.vol * LCD_cols) / 100.0;
-  vf = uint8_t(modff(_v, &_vi) * 10.0);
-  vi = uint8_t(_vi);
-
-  Serial.print(" ---------------> _v=");
-  Serial.print(_v, 5);
-  Serial.print(" ---------------> vi=");
-  Serial.print(vi);
-  Serial.print(" ---------------> vf=");
-  Serial.print(vf);
-  Serial.println();
-
-  _v = float(configuration.vol * LCD_cols) / 100.0;
-  vf = uint8_t(modff(_v, &_vi) * 10.0);
-  vi = uint8_t(_vi);
-
   if (menu_state != MENU_VOLUME)
   {
+    lcd_special_chars(BLOCKBAR);
+    lcd_display_bar("Volume", configuration.vol, VOLUME_MAX, true);
     menu_state = MENU_VOLUME;
-
-    lcd.show(0, 0, LCD_cols, "Volume:");
-    lcd.setCursor(8, 0);
-    lcd_display_int(configuration.vol, 3, true, false, false);
-
-    lcd.setCursor(0, 1);
-
-    for (uint8_t i = 0; i < LCD_cols; i++)
-    {
-      if (i < uint8_t(vi))
-        lcd.write((uint8_t)9); // full block
-      else
-        lcd.print(F(" "));
-    }
-
-    if (vi == 0 && vf == 0)
-    {
-      lcd.setCursor(0, 1);
-      lcd.write((uint8_t)5);
-    }
-    else if (vf > 0)
-    {
-      lcd.setCursor(vi, 1);
-      lcd.write((uint8_t)5 + int(vf / 2));
-    }
   }
   else
-  {
-    lcd.setCursor(8, 0);
-    lcd_display_int(configuration.vol, 3, true, false, false);
-
-    if (vi > 0)
-    {
-      lcd.setCursor(vi - 1, 1);
-      lcd.write((uint8_t)9); // full block
-      if (vf > 0)
-        lcd.write((uint8_t)5 + int(vf / 2));
-      lcd.print(F(" "));
-    }
-    else if (vi == 0 && vf == 0)
-    {
-      lcd.setCursor(0, 1);
-      lcd.write((uint8_t)5);
-      lcd.print(F(" "));
-    }
-  }
+    lcd_display_bar("Volume", configuration.vol, VOLUME_MAX, false);
 
   set_volume(configuration.vol, configuration.mono);
   eeprom_write();
+
 }
 
 void UI_func_load(uint8_t param)
@@ -3431,6 +3363,7 @@ void lcd_display_int(int16_t var, uint8_t size, bool zeros, bool brackets, bool
   if (brackets == true)
     lcd.print(F("]"));
 }
+
 void lcd_display_float(float var, uint8_t size_number, uint8_t size_fraction, bool zeros, bool brackets, bool sign)
 {
   float fraction;
@@ -3459,5 +3392,96 @@ void lcd_display_float(float var, uint8_t size_number, uint8_t size_fraction, bo
   if (brackets == true)
     lcd.print(F("]"));
 }
+
+void lcd_display_bar(const char* title, uint32_t value, uint32_t max_value, bool init)
+{
+  float _v = float(value * LCD_cols) / max_value;
+  float _vi;
+  uint8_t vf = uint8_t(modff(_v, &_vi) * 10.0);
+  uint8_t vi = uint8_t(_vi);
+
+  if (init == true)
+  {
+    lcd.show(0, 0, LCD_cols, title);
+    lcd.setCursor(strlen(title) + 1, 0);
+    lcd_display_int(value, 3, true, false, false);
+    lcd.setCursor(0, 1);
+
+    for (uint8_t i = 0; i < LCD_cols; i++)
+    {
+      if (i < uint8_t(vi))
+        lcd.write((uint8_t)4); // full block
+      else
+        lcd.print(F(" "));
+    }
+
+    if (vi == 0 && uint8_t(vf / 2) == 0)
+    {
+      lcd.setCursor(0, 1);
+      lcd.write((uint8_t)0);
+    }
+    else if (vf > 0)
+    {
+      lcd.setCursor(vi + 1, 1);
+      lcd.write((uint8_t)int(vf / 2) - 1);
+    }
+  }
+  else
+  {
+    lcd.setCursor(strlen(title) + 1, 0);
+    lcd_display_int(value, 3, true, false, false);
+
+    if (vi > 0)
+    {
+      lcd.setCursor(vi - 1, 1);
+      lcd.write((uint8_t)4); // full block
+      if (vf > 0)
+        lcd.write((uint8_t)int(vf / 2) - 1);
+      lcd.print(F(" "));
+    }
+    else if (uint8_t(vf / 2) == 0)
+    {
+      lcd.setCursor(0, 1);
+      lcd.write((uint8_t)0);
+      lcd.print(F(" "));
+    }
+
+    if (uint8_t(vf / 2) != 0)
+    {
+      lcd.setCursor(vi, 1);
+      lcd.write((uint8_t)int(vf / 2) - 1);
+      lcd.print(F(" "));
+    }
+  }
+}
+
+void lcd_special_chars(uint8_t mode)
+{
+  switch (mode)
+  {
+    case SCROLLBAR:
+      // set special chars for scrollbar
+      for (uint8_t i = 0; i < 5; i++)
+      {
+#ifdef I2C_DISPLAY
+        lcd.createChar(i, (uint8_t*)scroll_bar[i]);
+#else
+        flipped_scroll_bar[i] = rotTile(scroll_bar[i]);
+#endif
+      }
+      break;
+    case BLOCKBAR:
+      // set special chars for volumebar
+      for (uint8_t i = 0; i < 5; i++)
+      {
+#ifdef I2C_DISPLAY
+        lcd.createChar(i, (uint8_t*)block_bar[i]);
+#else
+        flipped_block_bar[i] = rotTile(block_bar[i]);
+#endif
+      }
+      break;
+  }
+}
 #endif
 #endif