diff --git a/radio/src/gui/Horus/lcd.cpp b/radio/src/gui/Horus/lcd.cpp
index 131ab586b..67d5ad418 100644
--- a/radio/src/gui/Horus/lcd.cpp
+++ b/radio/src/gui/Horus/lcd.cpp
@@ -393,13 +393,13 @@ void lcdDrawSolidFilledRect(coord_t x, scoord_t y, coord_t w, coord_t h, LcdFlag
 #endif
 
 #if !defined(BOOT)
-void lcdDrawFilledRect(coord_t x, scoord_t y, coord_t w, coord_t h, LcdFlags att)
+void lcdDrawFilledRect(coord_t x, scoord_t y, coord_t w, coord_t h, uint8_t pat, LcdFlags att)
 {
   for (scoord_t i=y; i<y+h; i++) {
     if ((att&ROUND) && (i==y || i==y+h-1))
-      lcdDrawHorizontalLine(x+1, i, w-2, SOLID, att);
+      lcdDrawHorizontalLine(x+1, i, w-2, pat, att);
     else
-      lcdDrawHorizontalLine(x, i, w, SOLID, att);
+      lcdDrawHorizontalLine(x, i, w, pat, att);
   }
 }
 #endif
@@ -483,7 +483,7 @@ void putsMixerSource(coord_t x, coord_t y, uint8_t idx, LcdFlags att)
 
   else if (idx <= MIXSRC_LAST_LUA) {
     div_t qr = div(idx-MIXSRC_FIRST_LUA, MAX_SCRIPT_OUTPUTS);
-#if defined(LUA_MODEL_SCRIPTS)
+#if defined(LUA_MODEL_SCRIPTS) && !defined(COLORLCD)
     if (qr.quot < MAX_SCRIPTS && qr.rem < scriptInputsOutputs[qr.quot].outputsCount) {
       lcdDrawChar(x+2, y+1, '1'+qr.quot, TINSIZE);
       lcdDrawSolidFilledRect(x, y, 7, 7);
@@ -929,7 +929,7 @@ void lcdDrawBitmap(coord_t x, coord_t y, const uint8_t * bmp, coord_t offset, co
 
 void lcdDrawBlackOverlay()
 {
-  lcdDrawFilledRect(0, 0, LCD_W, LCD_H, TEXT_COLOR | (8<<24));
+  lcdDrawFilledRect(0, 0, LCD_W, LCD_H, SOLID, TEXT_COLOR | (8<<24));
 }
 
 void lcdDrawCircle(int x0, int y0, int radius)
diff --git a/radio/src/lua/api_general.cpp b/radio/src/lua/api_general.cpp
index d73d2a217..eafd2f3f3 100644
--- a/radio/src/lua/api_general.cpp
+++ b/radio/src/lua/api_general.cpp
@@ -538,6 +538,7 @@ static int luaKillEvents(lua_State *L)
   return 0;
 }
 
+#if !defined(COLORLCD)
 /*luadoc
 @function GREY()
 
@@ -552,6 +553,7 @@ static int luaGrey(lua_State *L)
   lua_pushunsigned(L, GREY(index));
   return 1;
 }
+#endif
 
 /*luadoc
 @function getGeneralSettings()
@@ -686,7 +688,9 @@ const luaL_Reg opentxLib[] = {
   { "defaultStick", luaDefaultStick },
   { "defaultChannel", luaDefaultChannel },
   { "killEvents", luaKillEvents },
+#if !defined(COLORLCD)
   { "GREY", luaGrey },
+#endif
   { NULL, NULL }  /* sentinel */
 };
 
diff --git a/radio/src/lua/api_lcd.cpp b/radio/src/lua/api_lcd.cpp
index ec66608ef..f7691b330 100644
--- a/radio/src/lua/api_lcd.cpp
+++ b/radio/src/lua/api_lcd.cpp
@@ -123,6 +123,7 @@ static int luaLcdDrawLine(lua_State *L)
   return 0;
 }
 
+#if !defined(COLORLCD)
 /*luadoc
 @function lcd.getLastPos()
 
@@ -137,6 +138,7 @@ static int luaLcdGetLastPos(lua_State *L)
   lua_pushinteger(L, lcdLastPos);
   return 1;
 }
+#endif
 
 /*luadoc
 @function lcd.drawText(x, y, text [, flags])
@@ -194,7 +196,7 @@ static int luaLcdDrawTimer(lua_State *L)
   int y = luaL_checkinteger(L, 2);
   int seconds = luaL_checkinteger(L, 3);
   unsigned int att = luaL_optunsigned(L, 4, 0);
-#if defined(PCBFLAMENCO)
+#if defined(COLORLCD)
   putsTimer(x, y, seconds, att|LEFT);
 #else
   putsTimer(x, y, seconds, att|LEFT, att);
@@ -323,6 +325,7 @@ static int luaLcdDrawSource(lua_State *L)
   return 0;
 }
 
+#if !defined(COLORLCD)
 /*luadoc
 @function lcd.drawPixmap(x, y, name)
 
@@ -336,7 +339,6 @@ Draws a bitmap at (x,y)
 
 @status current Introduced in 2.0.0
 */
-#if !defined(COLORLCD)
 static int luaLcdDrawPixmap(lua_State *L)
 {
   if (!luaLcdAllowed) return 0;
@@ -406,6 +408,7 @@ static int luaLcdDrawFilledRectangle(lua_State *L)
   return 0;
 }
 
+#if !defined(COLORLCD)
 /*luadoc
 @function lcd.drawGauge(x, y, w, h, fill, maxfill)
 
@@ -437,12 +440,12 @@ static int luaLcdDrawGauge(lua_State *L)
   // int flags = luaL_checkinteger(L, 7);
   lcdDrawRect(x, y, w, h);
   uint8_t len = limit((uint8_t)1, uint8_t(w*num/den), uint8_t(w));
-  for (int i=1; i<h-1; i++) {
-    lcdDrawSolidHorizontalLine(x+1, y+i, len);
-  }
+  lcdDrawSolidFilledRect(x+1, y+1, len, h-2);
   return 0;
 }
+#endif
 
+#if !defined(COLORLCD)
 /*luadoc
 @function lcd.drawScreenTitle(title, page, pages)
 
@@ -459,7 +462,6 @@ the right side of title bar. (i.e. idx=2, cnt=5, display `2/5`)
 
 @status current Introduced in 2.0.0
 */
-#if !defined(COLORLCD)
 static int luaLcdDrawScreenTitle(lua_State *L)
 {
   if (!luaLcdAllowed) return 0;
@@ -475,8 +477,7 @@ static int luaLcdDrawScreenTitle(lua_State *L)
 }
 #endif
 
-#if defined(PCBTARANIS)
-
+#if !defined(COLORLCD)
 /*luadoc
 @function lcd.drawCombobox(x, y, w, list, idx [, flags])
 
@@ -551,21 +552,21 @@ static int luaLcdDrawCombobox(lua_State *L)
 const luaL_Reg lcdLib[] = {
   { "lock", luaLcdLock },
   { "clear", luaLcdClear },
-  { "getLastPos", luaLcdGetLastPos },
   { "drawPoint", luaLcdDrawPoint },
   { "drawLine", luaLcdDrawLine },
   { "drawRectangle", luaLcdDrawRectangle },
   { "drawFilledRectangle", luaLcdDrawFilledRectangle },
-  { "drawGauge", luaLcdDrawGauge },
   { "drawText", luaLcdDrawText },
   { "drawTimer", luaLcdDrawTimer },
   { "drawNumber", luaLcdDrawNumber },
   { "drawChannel", luaLcdDrawChannel },
   { "drawSwitch", luaLcdDrawSwitch },
   { "drawSource", luaLcdDrawSource },
+#if !defined(COLORLCD)
+  { "getLastPos", luaLcdGetLastPos },
+  { "drawGauge", luaLcdDrawGauge },
   { "drawPixmap", luaLcdDrawPixmap },
   { "drawScreenTitle", luaLcdDrawScreenTitle },
-#if defined(PCBTARANIS)
   { "drawCombobox", luaLcdDrawCombobox },
 #endif
   { NULL, NULL }  /* sentinel */
diff --git a/radio/src/lua/api_model.cpp b/radio/src/lua/api_model.cpp
index a22f05326..90aa38d34 100644
--- a/radio/src/lua/api_model.cpp
+++ b/radio/src/lua/api_model.cpp
@@ -80,7 +80,9 @@ static int luaModelSetInfo(lua_State *L)
     if (!strcmp(key, "name")) {
       const char * name = luaL_checkstring(L, -1);
       str2zchar(g_model.header.name, name, sizeof(g_model.header.name));
+#if defined(EEPROM)
       memcpy(modelHeaders[g_eeGeneral.currModel].name, g_model.header.name, sizeof(g_model.header.name));
+#endif
     }
     else if (!strcmp(key, "bitmap")) {
       const char * name = luaL_checkstring(L, -1);
@@ -153,7 +155,10 @@ static int luaModelSetModule(lua_State *L)
         module.rfProtocol = luaL_checkinteger(L, -1);
       }
       else if (!strcmp(key, "modelId")) {
-        g_model.header.modelId[idx] = modelHeaders[g_eeGeneral.currModel].modelId[idx] = luaL_checkinteger(L, -1);
+        g_model.header.modelId[idx] = luaL_checkinteger(L, -1);
+#if defined(EEPROM)
+        modelHeaders[g_eeGeneral.currModel].modelId[idx] = g_model.header.modelId[idx];
+#endif
       }
       else if (!strcmp(key, "firstChannel")) {
         module.channelsStart = luaL_checkinteger(L, -1);
diff --git a/radio/src/lua/interface.cpp b/radio/src/lua/interface.cpp
index bbd98e4cb..8e0a63418 100644
--- a/radio/src/lua/interface.cpp
+++ b/radio/src/lua/interface.cpp
@@ -546,7 +546,7 @@ void luaExec(const char *filename)
   }
 }
 
-void luaDoOneRunStandalone(uint8_t evt)
+void luaDoOneRunStandalone(evt_t evt)
 {
   static uint8_t luaDisplayStatistics = false;
 
@@ -663,7 +663,7 @@ bool luaDoOneRunPermanentScript(uint8_t evt, int i, uint32_t scriptType)
     filename = script.file;
 #endif
     if ((scriptType & RUN_TELEM_FG_SCRIPT) &&
-#if defined(PCBFLAMENCO)
+#if defined(COLORLCD)
         (g_menuStack[0]==menuMainView && sid.reference==SCRIPT_TELEMETRY_FIRST+g_eeGeneral.view-VIEW_TELEM1)) {
 #else
         (g_menuStack[0]==menuTelemetryFrsky && sid.reference==SCRIPT_TELEMETRY_FIRST+s_frsky_view)) {