diff --git a/radio/src/fonts/extra_16px.png b/radio/src/fonts/extra_16px.png
index 8c40ecca6..ae21c8403 100644
Binary files a/radio/src/fonts/extra_16px.png and b/radio/src/fonts/extra_16px.png differ
diff --git a/radio/src/fonts/extra_17px.png b/radio/src/fonts/extra_17px.png
index d4ad17eab..ae21c8403 100644
Binary files a/radio/src/fonts/extra_17px.png and b/radio/src/fonts/extra_17px.png differ
diff --git a/radio/src/gui/colorlcd/model_inputs.cpp b/radio/src/gui/colorlcd/model_inputs.cpp
index 73e7c8718..143b3cf30 100644
--- a/radio/src/gui/colorlcd/model_inputs.cpp
+++ b/radio/src/gui/colorlcd/model_inputs.cpp
@@ -335,7 +335,7 @@ class InputLineButton : public CommonInputOrMixButton {
     {
       const ExpoData & line = g_model.expoData[index];
       if (line.swtch || line.curve.value != 0 || line.flightModes) {
-        setHeight(height() + PAGE_LINE_HEIGHT);
+        setHeight(height() + PAGE_LINE_HEIGHT + FIELD_PADDING_TOP);
       }
     }
 
@@ -353,13 +353,13 @@ class InputLineButton : public CommonInputOrMixButton {
       drawSource(dc, 60, FIELD_PADDING_TOP, line.srcRaw);
 
       if (line.name[0]) {
-        dc->drawMask(146, 2 + FIELD_PADDING_TOP, mixerSetupLabelIcon, DEFAULT_COLOR);
+        dc->drawMask(146, FIELD_PADDING_TOP, mixerSetupLabelIcon, DEFAULT_COLOR);
         dc->drawSizedText(166, FIELD_PADDING_TOP, line.name, sizeof(line.name));
       }
 
       // second line ...
       if (line.swtch) {
-        dc->drawMask(3, PAGE_LINE_HEIGHT + FIELD_PADDING_TOP + 2, mixerSetupSwitchIcon, DEFAULT_COLOR);
+        dc->drawMask(3, PAGE_LINE_HEIGHT + FIELD_PADDING_TOP, mixerSetupSwitchIcon, DEFAULT_COLOR);
         drawSwitch(dc, 21, PAGE_LINE_HEIGHT + FIELD_PADDING_TOP, line.swtch);
       }
 
diff --git a/radio/src/gui/colorlcd/model_mixes.cpp b/radio/src/gui/colorlcd/model_mixes.cpp
index 7bbb7a650..08dc1d107 100644
--- a/radio/src/gui/colorlcd/model_mixes.cpp
+++ b/radio/src/gui/colorlcd/model_mixes.cpp
@@ -233,7 +233,7 @@ class MixLineButton : public CommonInputOrMixButton {
     {
       const MixData & mix = g_model.mixData[index];
       if (mix.swtch || mix.curve.value != 0 || mix.flightModes) {
-        setHeight(height() + PAGE_LINE_HEIGHT);
+        setHeight(height() + PAGE_LINE_HEIGHT + FIELD_PADDING_TOP);
       }
     }
 
@@ -251,13 +251,13 @@ class MixLineButton : public CommonInputOrMixButton {
       drawSource(dc, 60, FIELD_PADDING_TOP, line.srcRaw);
 
       if (line.name[0]) {
-        dc->drawMask(146, 2 + FIELD_PADDING_TOP, mixerSetupLabelIcon, DEFAULT_COLOR);
+        dc->drawMask(146, FIELD_PADDING_TOP, mixerSetupLabelIcon, DEFAULT_COLOR);
         dc->drawSizedText(166, FIELD_PADDING_TOP, line.name, sizeof(line.name));
       }
 
       // second line ...
       if (line.swtch) {
-        dc->drawMask(3, PAGE_LINE_HEIGHT + FIELD_PADDING_TOP + 2, mixerSetupSwitchIcon, DEFAULT_COLOR);
+        dc->drawMask(3, PAGE_LINE_HEIGHT + FIELD_PADDING_TOP, mixerSetupSwitchIcon, DEFAULT_COLOR);
         drawSwitch(dc, 21, PAGE_LINE_HEIGHT + FIELD_PADDING_TOP, line.swtch);
       }
 
@@ -521,4 +521,4 @@ bool swapMixes(uint8_t &idx, uint8_t up)
 
   idx = tgt_idx;
   return true;
-}
\ No newline at end of file
+}
diff --git a/radio/src/gui/colorlcd/model_outputs.cpp b/radio/src/gui/colorlcd/model_outputs.cpp
index 47a735b17..aa381ad59 100644
--- a/radio/src/gui/colorlcd/model_outputs.cpp
+++ b/radio/src/gui/colorlcd/model_outputs.cpp
@@ -114,7 +114,7 @@ class OutputLineButton : public Button {
       output(output)
     {
       if (output->revert || output->curve || output->name[0]) {
-        setHeight(height() + PAGE_LINE_HEIGHT);
+        setHeight(height() + PAGE_LINE_HEIGHT + FIELD_PADDING_TOP);
       }
     }
 
@@ -125,7 +125,7 @@ class OutputLineButton : public Button {
       dc->drawNumber(68, FIELD_PADDING_TOP, output->max + 1000, PREC1);
       dc->drawNumber(132, FIELD_PADDING_TOP, output->offset, PREC1);
       dc->drawNumber(226, FIELD_PADDING_TOP, PPM_CENTER + output->ppmCenter, RIGHT);
-      dc->drawText(228, FIELD_PADDING_TOP, output->symetrical ? "=" : "\206");
+      dc->drawText(228, FIELD_PADDING_TOP, output->symetrical ? "=" : "\210");
 
       // second line
       if (output->revert) {
@@ -136,7 +136,7 @@ class OutputLineButton : public Button {
         dc->drawText(88, PAGE_LINE_HEIGHT + FIELD_PADDING_TOP, getCurveString(output->curve));
       }
       if (output->name[0]) {
-        dc->drawMask(146, 2 + PAGE_LINE_HEIGHT + FIELD_PADDING_TOP, mixerSetupLabelIcon, DEFAULT_COLOR);
+        dc->drawMask(146, PAGE_LINE_HEIGHT + FIELD_PADDING_TOP, mixerSetupLabelIcon, DEFAULT_COLOR);
         dc->drawSizedText(166, PAGE_LINE_HEIGHT + FIELD_PADDING_TOP, output->name, sizeof(output->name));
       }
 
diff --git a/radio/src/gui/colorlcd/special_functions.cpp b/radio/src/gui/colorlcd/special_functions.cpp
index 633142518..a7092095a 100644
--- a/radio/src/gui/colorlcd/special_functions.cpp
+++ b/radio/src/gui/colorlcd/special_functions.cpp
@@ -149,7 +149,7 @@ class SpecialFunctionEditPage : public Page {
                          [=](std::string newValue) {
                            strncpy(cfn->play.name, newValue.c_str(), sizeof(cfn->play.name));
                            SET_DIRTY();
-                         });
+                         }, true); // strip extension
           grid.nextLine();
           break;
 
@@ -272,7 +272,7 @@ class SpecialFunctionButton : public Button {
       uint8_t func = CFN_FUNC(cfn);
       if (!cfn->isEmpty() &&
           (HAS_ENABLE_PARAM(func) || HAS_REPEAT_PARAM(func) || (func == FUNC_PLAY_TRACK || func == FUNC_BACKGND_MUSIC || func == FUNC_PLAY_SCRIPT))) {
-        setHeight(height() + 20);
+        setHeight(line2 + PAGE_LINE_HEIGHT);
       }
     }
 
diff --git a/radio/src/gui/colorlcd/view_main.cpp b/radio/src/gui/colorlcd/view_main.cpp
index 287e6439e..b9c1721e4 100644
--- a/radio/src/gui/colorlcd/view_main.cpp
+++ b/radio/src/gui/colorlcd/view_main.cpp
@@ -141,7 +141,8 @@ void ViewMain::updateTopbarVisibility()
   int leftScroll = getScrollPositionX() % pageWidth;
   if (leftScroll == 0) {
     setTopbarVisible(hasTopbar(g_model.view));
-    customScreens[g_model.view]->adjustLayout();
+    if (customScreens[g_model.view])
+      customScreens[g_model.view]->adjustLayout();
   }
   else {
     int  leftIdx     = getScrollPositionX() / pageWidth;
diff --git a/radio/src/lua/api_colorlcd.cpp b/radio/src/lua/api_colorlcd.cpp
index ed2146e13..356f0a43f 100644
--- a/radio/src/lua/api_colorlcd.cpp
+++ b/radio/src/lua/api_colorlcd.cpp
@@ -789,6 +789,258 @@ static int luaRGB(lua_State *L)
   return 1;
 }
 
+static int luaLcdDrawCircle(lua_State *L)
+{
+  if (!luaLcdAllowed || !luaLcdBuffer)
+    return 0;
+
+  coord_t x = luaL_checkunsigned(L, 1);
+  coord_t y = luaL_checkunsigned(L, 2);
+  coord_t r = luaL_checkunsigned(L, 3);
+  LcdFlags flags = luaL_checkunsigned(L, 4);
+
+  flags = (flags & 0xFFFF) | COLOR(COLOR_VAL(flags));
+
+  luaLcdBuffer->drawCircle(x, y, r, flags);
+
+  return 0;
+}
+
+static int luaLcdDrawFilledCircle(lua_State *L)
+{
+  if (!luaLcdAllowed || !luaLcdBuffer)
+    return 0;
+
+  coord_t x = luaL_checkunsigned(L, 1);
+  coord_t y = luaL_checkunsigned(L, 2);
+  coord_t r = luaL_checkunsigned(L, 3);
+  LcdFlags flags = luaL_checkunsigned(L, 4);
+
+  flags = (flags & 0xFFFF) | COLOR(COLOR_VAL(flags));
+
+  luaLcdBuffer->drawFilledCircle(x, y, r, flags);
+
+  return 0;
+}
+
+static int luaLcdDrawTriangle(lua_State *L)
+{
+  if (!luaLcdAllowed || !luaLcdBuffer)
+    return 0;
+
+  coord_t x1 = luaL_checkunsigned(L, 1);
+  coord_t y1 = luaL_checkunsigned(L, 2);
+  coord_t x2 = luaL_checkunsigned(L, 3);
+  coord_t y2 = luaL_checkunsigned(L, 4);
+  coord_t x3 = luaL_checkunsigned(L, 5);
+  coord_t y3 = luaL_checkunsigned(L, 6);
+  LcdFlags flags = luaL_checkunsigned(L, 7);
+
+  flags = (flags & 0xFFFF) | COLOR(COLOR_VAL(flags));
+
+  luaLcdBuffer->drawLine(x1, y1, x2, y2, SOLID, flags);
+  luaLcdBuffer->drawLine(x2, y2, x3, y3, SOLID, flags);
+  luaLcdBuffer->drawLine(x3, y3, x1, y1, SOLID, flags);
+
+  return 0;
+}
+
+static int luaLcdDrawFilledTriangle(lua_State *L)
+{
+  if (!luaLcdAllowed || !luaLcdBuffer)
+    return 0;
+
+  coord_t x1 = luaL_checkunsigned(L, 1);
+  coord_t y1 = luaL_checkunsigned(L, 2);
+  coord_t x2 = luaL_checkunsigned(L, 3);
+  coord_t y2 = luaL_checkunsigned(L, 4);
+  coord_t x3 = luaL_checkunsigned(L, 5);
+  coord_t y3 = luaL_checkunsigned(L, 6);
+  LcdFlags flags = luaL_checkunsigned(L, 7);
+
+  flags = (flags & 0xFFFF) | COLOR(COLOR_VAL(flags));
+
+  luaLcdBuffer->drawFilledTriangle(x1, y1, x2, y2, x3, y3, flags);
+
+  return 0;
+}
+
+static int luaLcdDrawArc(lua_State *L)
+{
+  if (!luaLcdAllowed || !luaLcdBuffer)
+    return 0;
+
+  coord_t x = luaL_checkunsigned(L, 1);
+  coord_t y = luaL_checkunsigned(L, 2);
+  coord_t r = luaL_checkunsigned(L, 3);
+  int start = luaL_checkunsigned(L, 4);
+  int end = luaL_checkunsigned(L, 5);
+  LcdFlags flags = luaL_checkunsigned(L, 6);
+
+  flags = (flags & 0xFFFF) | COLOR(COLOR_VAL(flags));
+
+  if (r > 0)
+    luaLcdBuffer->drawAnnulusSector(x, y, r - 1, r, start, end, flags);
+
+  return 0;
+}
+
+static int luaLcdDrawPie(lua_State *L)
+{
+  if (!luaLcdAllowed || !luaLcdBuffer)
+    return 0;
+
+  coord_t x = luaL_checkunsigned(L, 1);
+  coord_t y = luaL_checkunsigned(L, 2);
+  coord_t r = luaL_checkunsigned(L, 3);
+  int start = luaL_checkunsigned(L, 4);
+  int end = luaL_checkunsigned(L, 5);
+  LcdFlags flags = luaL_checkunsigned(L, 6);
+
+  flags = (flags & 0xFFFF) | COLOR(COLOR_VAL(flags));
+
+  if (r > 0)
+    luaLcdBuffer->drawAnnulusSector(x, y, 0, r, start, end, flags);
+
+  return 0;
+}
+
+static int luaLcdDrawAnnulus(lua_State *L)
+{
+  if (!luaLcdAllowed || !luaLcdBuffer)
+    return 0;
+
+  coord_t x = luaL_checkunsigned(L, 1);
+  coord_t y = luaL_checkunsigned(L, 2);
+  coord_t r1 = luaL_checkunsigned(L, 3);
+  coord_t r2 = luaL_checkunsigned(L, 4);
+  int start = luaL_checkunsigned(L, 5);
+  int end = luaL_checkunsigned(L, 6);
+  LcdFlags flags = luaL_checkunsigned(L, 7);
+
+  flags = (flags & 0xFFFF) | COLOR(COLOR_VAL(flags));
+
+  luaLcdBuffer->drawAnnulusSector(x, y, r1, r2, start, end, flags);
+
+  return 0;
+}
+
+static int luaLcdDrawLineWithClipping(lua_State *L)
+{
+  if (!luaLcdAllowed || !luaLcdBuffer)
+    return 0;
+
+  coord_t x1 = luaL_checkunsigned(L, 1);
+  coord_t y1 = luaL_checkunsigned(L, 2);
+  coord_t x2 = luaL_checkunsigned(L, 3);
+  coord_t y2 = luaL_checkunsigned(L, 4);
+  coord_t xmin = luaL_checkunsigned(L, 5);
+  coord_t xmax = luaL_checkunsigned(L, 6);
+  coord_t ymin = luaL_checkunsigned(L, 7);
+  coord_t ymax = luaL_checkunsigned(L, 8);
+  uint8_t pat = luaL_checkunsigned(L, 9);
+  LcdFlags flags = luaL_checkunsigned(L, 10);
+
+  flags = (flags & 0xFFFF) | COLOR(COLOR_VAL(flags));
+
+  // backup clipping rect
+  coord_t dc_xmin; coord_t dc_xmax; coord_t dc_ymin; coord_t dc_ymax;
+  luaLcdBuffer->getClippingRect(dc_xmin, dc_xmax, dc_ymin, dc_ymax);
+
+  // resticts given clipping rect by drawing clipping rect
+  if (dc_xmin > xmin) xmin = dc_xmin;
+  if (dc_xmax < xmax) xmax = dc_xmax;
+  if (dc_ymin > ymin) ymin = dc_ymin;
+  if (dc_ymax < ymax) ymax = dc_ymax;
+  
+  luaLcdBuffer->setClippingRect(xmin, xmax, ymin, ymax);
+  luaLcdBuffer->drawLine(x1, y1, x2, y2, pat, flags);
+
+  // restore original clipping rect
+  luaLcdBuffer->setClippingRect(dc_xmin, dc_xmax, dc_ymin, dc_ymax);
+  
+  return 0;
+}
+
+static void drawHudRectangle(BitmapBuffer * dc, float pitch, float roll, coord_t xmin, coord_t xmax, coord_t ymin, coord_t ymax, LcdFlags flags)
+{
+  constexpr float GRADTORAD = 0.017453293f;
+
+  float dx = sinf(GRADTORAD*roll) * pitch;
+  float dy = cosf(GRADTORAD*roll) * pitch * 1.85f;
+  float angle = tanf(-GRADTORAD*roll);
+  float ox = 0.5f * (xmin + xmax) + dx;
+  float oy = 0.5f * (ymin + ymax) + dy;
+  coord_t ywidth = (ymax - ymin);
+
+  if (roll == 0.0f) { // prevent divide by zero
+    dc->drawSolidFilledRect(
+        xmin, max(ymin, ymin + (ywidth/2 + (coord_t)dy)),
+        xmax - xmin, min(ywidth, ywidth/2 - (coord_t)dy + (dy != 0.0f ? 1 : 0)), flags);
+  }
+  else if (fabs(roll) >= 180.0f) {
+    dc->drawSolidFilledRect(xmin, ymin, xmax - xmin, min(ywidth, ywidth/2 + (coord_t)fabsf(dy)), flags);
+  }
+  else {
+    bool inverted = (fabsf(roll) > 90.0f);
+    bool fillNeeded = false;
+    coord_t ybot = (inverted) ? 0 : LCD_H;
+
+    if (roll > 0.0f) {
+      for (coord_t s = 0; s < ywidth; s++) {
+        coord_t yy = ymin + s;
+        coord_t xx = ox + ((float)yy - oy) / angle; // + 0.5f; rounding not needed
+        if (xx >= xmin && xx <= xmax) {
+          dc->drawSolidHorizontalLine(xx, yy, xmax - xx + 1, flags);
+        }
+        else if (xx < xmin) {
+          ybot = (inverted) ? max(yy, ybot) + 1 : min(yy, ybot);
+          fillNeeded = true;
+        }
+      }
+    }
+    else {
+      for (coord_t s = 0; s < ywidth; s++) {
+        coord_t yy = ymin + s;
+        coord_t xx = ox + ((float)yy - oy) / angle; // + 0.5f; rounding not needed
+        if (xx >= xmin && xx <= xmax) {
+          dc->drawSolidHorizontalLine(xmin, yy, xx - xmin, flags);
+        }
+        else if (xx > xmax) {
+          ybot = (inverted) ? max(yy, ybot) + 1 : min(yy, ybot);
+          fillNeeded = true;
+        }
+      }
+    }
+
+    if (fillNeeded) {
+      coord_t ytop = (inverted) ? ymin : ybot;
+      coord_t height = (inverted) ? ybot - ymin : ymax - ybot;
+      dc->drawSolidFilledRect(xmin, ytop, xmax - xmin, height, flags);
+    }
+  }
+}
+
+static int luaLcdDrawHudRectangle(lua_State *L)
+{
+  if (!luaLcdAllowed || !luaLcdBuffer)
+    return 0;
+
+  float pitch = luaL_checknumber(L, 1);
+  float roll = luaL_checknumber(L, 2);
+  coord_t xmin = luaL_checkunsigned(L, 3);
+  coord_t xmax = luaL_checkunsigned(L, 4);
+  coord_t ymin = luaL_checkunsigned(L, 5);
+  coord_t ymax = luaL_checkunsigned(L, 6);
+  LcdFlags flags = luaL_checkunsigned(L, 7);
+
+  flags = (flags & 0xFFFF) | COLOR(COLOR_VAL(flags));
+
+  drawHudRectangle(luaLcdBuffer, pitch, roll, xmin, xmax, ymin, ymax, flags);
+
+  return 0;
+}
+
 const luaL_Reg lcdLib[] = {
   { "refresh", luaLcdRefresh },
   { "clear", luaLcdClear },
@@ -808,5 +1060,14 @@ const luaL_Reg lcdLib[] = {
   { "setColor", luaLcdSetColor },
   { "getColor", luaLcdGetColor },
   { "RGB", luaRGB },
+  { "drawCircle", luaLcdDrawCircle },
+  { "drawFilledCircle", luaLcdDrawFilledCircle },
+  { "drawTriangle", luaLcdDrawTriangle },
+  { "drawFilledTriangle", luaLcdDrawFilledTriangle },
+  { "drawArc", luaLcdDrawArc },
+  { "drawPie", luaLcdDrawPie },
+  { "drawAnnulus", luaLcdDrawAnnulus },
+  { "drawLineWithClipping", luaLcdDrawLineWithClipping },
+  { "drawHudRectangle", luaLcdDrawHudRectangle },
   { NULL, NULL }  /* sentinel */
 };
diff --git a/radio/src/storage/conversions/conversions_219_220.cpp b/radio/src/storage/conversions/conversions_219_220.cpp
index 387c392b8..8743b2889 100644
--- a/radio/src/storage/conversions/conversions_219_220.cpp
+++ b/radio/src/storage/conversions/conversions_219_220.cpp
@@ -84,7 +84,7 @@ typedef TimerData TimerData_v220;
 
 static void convertToStr(char* str, size_t len)
 {
-  for (int c = 0; c < len; c++) {
+  for (size_t c = 0; c < len; c++) {
     str[c] = zchar2char(str[c]);
   }
   // Trim string
@@ -197,7 +197,7 @@ void convertModelData_219_to_220(ModelData &model)
   memset(newModel.screenData, 0,
          sizeof(newModel.screenData) +
          sizeof(newModel.topbarData));
-  //TODO: set defaults as with new model
+  loadDefaultLayout();
 #endif
   free(oldModelAllocated);
 }
diff --git a/radio/src/thirdparty/libopenui b/radio/src/thirdparty/libopenui
index 77b0e421f..0d5b13c57 160000
--- a/radio/src/thirdparty/libopenui
+++ b/radio/src/thirdparty/libopenui
@@ -1 +1 @@
-Subproject commit 77b0e421fc5790e777930aef1f7224155916629c
+Subproject commit 0d5b13c578e5893b98a54490815e3d3b5a3d6ff6
diff --git a/radio/src/timers.cpp b/radio/src/timers.cpp
index 7fbe4bb5f..afda7f0ef 100644
--- a/radio/src/timers.cpp
+++ b/radio/src/timers.cpp
@@ -74,10 +74,14 @@ void evalTimers(int16_t throttle, uint8_t tick10ms)
   for (uint8_t i=0; i<TIMERS; i++) {
     tmrmode_t timerMode = g_model.timers[i].mode;
     tmrstart_t timerStart = g_model.timers[i].start;
+    uint16_t    timerSwtch = g_model.timers[i].swtch;
     TimerState * timerState = &timersStates[i];
 
     if (timerMode) {
-      if ((timerState->state == TMR_OFF) && (timerMode != TMRMODE_THR_START)) {
+      if ((timerState->state == TMR_OFF)
+          && (timerMode != TMRMODE_THR_START)
+          && (timerMode != TMRMODE_START)) {
+       
         timerState->state = TMR_RUNNING;
         timerState->cnt = 0;
         timerState->sum = 0;
@@ -92,44 +96,52 @@ void evalTimers(int16_t throttle, uint8_t tick10ms)
         if (timerState->val == TIMER_MAX) break;
         if (timerState->val == TIMER_MIN) break;
 
-        timerState->val_10ms -= 100 ;
+        timerState->val_10ms -= 100;
         tmrval_t newTimerVal = timerState->val;
         if (timerStart) newTimerVal = timerStart - newTimerVal;
 
-        if (timerMode == TMRMODE_ON) {
-          newTimerVal++;
-        }
-        else if (timerMode == TMRMODE_THR) {
-          if (throttle) newTimerVal++;
-        }
-        else if (timerMode == TMRMODE_THR_REL) {
-          if ((timerState->sum/timerState->cnt) >= 128) {  // throttle was normalized to 0 to 128 value (throttle/64*2 (because - range is added as well)
-            newTimerVal++;  // add second used of throttle
-            timerState->sum -= 128*timerState->cnt;
-          }
-          timerState->cnt = 0;
-        }
-        else if (timerMode == TMRMODE_THR_START) {
-          // we can't rely on (throttle || newTimerVal > 0) as a detection if timer should be running
-          // because having persistent timer brakes this rule
-          if ((throttle > THR_TRG_TRESHOLD) && timerState->state == TMR_OFF) {
+        if (timerMode == TMRMODE_START) {
+          // Start timer based on switch
+          if (getSwitch(timerSwtch) && timerState->state == TMR_OFF) {
             timerState->state = TMR_RUNNING;  // start timer running
             timerState->cnt = 0;
             timerState->sum = 0;
-            // TRACE("Timer[%d] THr triggered", i);
           }
-          if (timerState->state != TMR_OFF) newTimerVal++;
-        }
-        else {
-          if (timerMode > 0) timerMode -= (TMRMODE_COUNT-1);
-          if (getSwitch(timerMode)) {
+          if (timerState->state != TMR_OFF) {
             newTimerVal++;
+          } 
+        } else if (getSwitch(timerSwtch)) {
+
+          // Modes conditional on switch at any time
+          if (timerMode == TMRMODE_ON) {
+            newTimerVal++;
+          } else if (timerMode == TMRMODE_THR) {
+            if (throttle) newTimerVal++;
+          } else if (timerMode == TMRMODE_THR_REL) {
+            // throttle was normalized to 0 to 128 value
+            // (throttle/64*2 (because - range is added as well)
+            if ((timerState->sum / timerState->cnt) >= 128) {  
+              newTimerVal++;  // add second used of throttle
+              timerState->sum -= 128 * timerState->cnt;
+            }
+            timerState->cnt = 0;
+          } else if (timerMode == TMRMODE_THR_START) {
+            // we can't rely on (throttle || newTimerVal > 0) as a detection if
+            // timer should be running because having persistent timer brakes
+            // this rule
+            if ((throttle > THR_TRG_TRESHOLD) && timerState->state == TMR_OFF) {
+              timerState->state = TMR_RUNNING;  // start timer running
+              timerState->cnt = 0;
+              timerState->sum = 0;
+              // TRACE("Timer[%d] THr triggered", i);
+            }
+            if (timerState->state != TMR_OFF) newTimerVal++;
           }
         }
 
         switch (timerState->state) {
           case TMR_RUNNING:
-            if (timerStart && newTimerVal>=(tmrval_t)timerStart) {
+            if (timerStart && newTimerVal >= (tmrval_t)timerStart) {
               AUDIO_TIMER_ELAPSED(i);
               timerState->state = TMR_NEGATIVE;
               // TRACE("Timer[%d] negative", i);
@@ -143,7 +155,8 @@ void evalTimers(int16_t throttle, uint8_t tick10ms)
             break;
         }
 
-        if (timerStart) newTimerVal = timerStart - newTimerVal; // if counting backwards - display backwards
+        // if counting backwards - display backwards
+        if (timerStart) newTimerVal = timerStart - newTimerVal;
 
         if (newTimerVal != timerState->val) {
           timerState->val = newTimerVal;