diff --git a/radio/src/gui/128x64/model_setup.cpp b/radio/src/gui/128x64/model_setup.cpp
index 76b243894..bf10106d0 100644
--- a/radio/src/gui/128x64/model_setup.cpp
+++ b/radio/src/gui/128x64/model_setup.cpp
@@ -744,7 +744,7 @@ void menuModelSetup(event_t event)
 #endif
               }
               uint8_t swactive = !(g_model.switchWarningEnable & (1<<i));
-              c = "\300-\301"[states & 0x03];
+              c = (STR_CHAR_UP "-" STR_CHAR_DOWN)[states & 0x03];
               // lcdDrawChar(MODEL_SETUP_2ND_COLUMN+qr.rem*(2*FW+1), y+FH*qr.quot, 'A'+i, attr && (menuHorizontalPosition==current) ? INVERS : 0);
               lcdDrawSizedText(MODEL_SETUP_2ND_COLUMN + qr.rem*((2*FW)+1), y+FH*qr.quot, FIRSTSW_STR+(i*length)+3, 1, attr && (menuHorizontalPosition==current) ? INVERS : 0);
               if (swactive) lcdDrawChar(lcdNextPos, y+FH*qr.quot, c);
diff --git a/radio/src/gui/212x64/model_setup.cpp b/radio/src/gui/212x64/model_setup.cpp
index c3a46150b..95bfbe4dc 100644
--- a/radio/src/gui/212x64/model_setup.cpp
+++ b/radio/src/gui/212x64/model_setup.cpp
@@ -700,7 +700,7 @@ void menuModelSetup(event_t event)
               storageDirty(EE_MODEL);
             }
             uint8_t swactive = !(g_model.switchWarningEnable & (1<<i));
-            c = "\300-\301"[states & 0x03];
+            c = (STR_CHAR_UP "-" STR_CHAR_DOWN)[states & 0x03];
             lcdDrawChar(MODEL_SETUP_2ND_COLUMN+qr.rem*(2*FW+1), y+FH*qr.quot, 'A'+i, line && (menuHorizontalPosition==current) ? INVERS : 0);
             if (swactive) lcdDrawChar(lcdNextPos, y+FH*qr.quot, c);
             ++current;
diff --git a/radio/src/strhelpers.cpp b/radio/src/strhelpers.cpp
index 55268aa2e..ffd3c0b42 100644
--- a/radio/src/strhelpers.cpp
+++ b/radio/src/strhelpers.cpp
@@ -406,20 +406,19 @@ char *getFlightModeString(char *dest, int8_t idx)
   return dest;
 }
 
-char *getSwitchWarningString(char *dest, swsrc_t idx)
-{
-  char *s = dest;
-  uint8_t state = g_model.switchWarningState >> (3 * idx) & 0x07;
-
-  *s++ = 'A' + idx;
-  if (state == 0)
-    *s = '\0';
-  else {
-    *s++ = "x\300-\301"[state];
-    *s = '\0';
-  }
-  return dest;
-}
+// char * getSwitchWarningString(char * dest, swsrc_t idx)
+// {
+//   char * s = dest;
+//   uint8_t state = g_model.switchWarningState >> (3*idx) & 0x07;
+//   *s++ = 'A' + idx;
+//   if (state == 0)
+//     *s = '\0';
+//   else {
+//     *s++ = "x\300-\301"[state];
+//     *s = '\0';
+//   }
+//   return dest;
+// }
 
 #if !defined(PCBSKY9X)
 char *getSwitchName(char *dest, swsrc_t idx)
@@ -752,10 +751,10 @@ char *strAppendDate(char *str, bool time)
 #if !defined(BOOT)
 static char tmpHelpersString[32];
 
-char *getSwitchWarningString(swsrc_t idx)
-{
-  return getSwitchWarningString(tmpHelpersString, idx);
-}
+// char * getSwitchWarningString(swsrc_t idx)
+// {
+//   return getSwitchWarningString(tmpHelpersString, idx);
+// }
 
 char *getSourceString(mixsrc_t idx)
 {
diff --git a/radio/src/strhelpers.h b/radio/src/strhelpers.h
index ede5a31ee..eccca57c7 100644
--- a/radio/src/strhelpers.h
+++ b/radio/src/strhelpers.h
@@ -77,11 +77,11 @@ char *getSourceString(char *dest, mixsrc_t idx);
 
 char *getFlightModeString(char *dest, int8_t idx);
 #define SWITCH_WARNING_STR_SIZE 3
-char *getSwitchWarningString(char *dest, swsrc_t idx);
+// char *getSwitchWarningString(char *dest, swsrc_t idx);
 
 char *getSourceString(mixsrc_t idx);
 char *getSwitchPositionName(swsrc_t idx);
-char *getSwitchWarningString(swsrc_t idx);
+// char *getSwitchWarningString(swsrc_t idx);
 char *getCurveString(int idx);
 char *getTimerString(int32_t tme, TimerOptions timerOptions = {.options = 0});
 void splitTimer(char *s0, char *s1, char *s2, char *s3, int tme,
diff --git a/radio/src/switches.cpp b/radio/src/switches.cpp
index 1d2825018..296f5ab9e 100644
--- a/radio/src/switches.cpp
+++ b/radio/src/switches.cpp
@@ -708,7 +708,7 @@ void checkSwitches()
           LcdFlags attr = ((states & mask) == (switches_states & mask)) ? 0 : INVERS;
           if (attr) {
             if (++numWarnings < 6) {
-              char c = "\300-\301"[(states & mask) >> (i*2)];
+              char c = (STR_CHAR_UP "-" STR_CHAR_DOWN)[(states & mask) >> (i*2)];
               drawSource(x, y, MIXSRC_FIRST_SWITCH+i, attr);
               lcdDrawChar(lcdNextPos, y, c, attr);
               x = lcdNextPos + 3;
@@ -727,9 +727,9 @@ void checkSwitches()
               if (++numWarnings < 6) {
                 lcdDrawTextAtIndex(x, y, STR_VSRCRAW, NUM_STICKS + 1 + i, INVERS);
                 if (IS_POT(POT1 + i))
-                  lcdDrawChar(lcdNextPos, y, g_model.potsWarnPosition[i] > GET_LOWRES_POT_POSITION(i) ? 126 : 127, INVERS);
+                  lcdDrawChar(lcdNextPos, y, g_model.potsWarnPosition[i] > GET_LOWRES_POT_POSITION(i) ? 126 : 127, INVERS); // TODO: use constants for chars
                 else
-                  lcdDrawChar(lcdNextPos, y, g_model.potsWarnPosition[i] > GET_LOWRES_POT_POSITION(i) ? '\300' : '\301', INVERS);
+                  lcdDrawChar(lcdNextPos, y, g_model.potsWarnPosition[i] > GET_LOWRES_POT_POSITION(i) ? CHAR_UP : CHAR_DOWN, INVERS);
                 x = lcdNextPos + 3;
               }
             }