diff --git a/STM32_HAL_Lib/mctext.c b/STM32_HAL_Lib/mctext.c
index 4777348..7079441 100644
--- a/STM32_HAL_Lib/mctext.c
+++ b/STM32_HAL_Lib/mctext.c
@@ -16,7 +16,7 @@ void (*mct_SetPixel)(uint8_t, uint8_t, uint8_t) = ST7565_SetPixel;
 
 
 // Draw a single character. Returns width of drawn character
-uint8_t mct_Char(uint8_t x, uint8_t y, unsigned char c, uint8_t color, const uint8_t *font) {
+uint8_t mct_CharT(uint8_t x, uint8_t y, unsigned char c, uint8_t color, const uint8_t *font, uint8_t transp) {
   uint8_t pk = font[0]; // Is it a packed font?
   uint8_t w  = font[1]; // Font char width
   uint8_t h  = font[2]; // Font char height
@@ -33,7 +33,7 @@ uint8_t mct_Char(uint8_t x, uint8_t y, unsigned char c, uint8_t color, const uin
   // Calc the offset for desired symbol
   if (pk) { // The font is packed
     if (w) { // The font is monospaced
-      bps = w*h/8 + 1;                  // Bytes per symbol + width byte
+      bps = w*h/8;                      // Bytes per symbol
       if ((w*h)%8 > 0) bps++;           // Correction for the last byte
       o = FONT_HEADER+(c-fc)*bps;       // Offset for desired symbol
     } else { // The font is not monospaced
@@ -82,6 +82,7 @@ uint8_t mct_Char(uint8_t x, uint8_t y, unsigned char c, uint8_t color, const uin
         seg = font[o];
         for (b=0; b<s; b++) {           // Going through the byte and paint the pixel if the bit is 1
           if ((seg>>b) & 1) mct_SetPixel(x+i, y+j*8+b, color);
+          else if (!transp) mct_SetPixel(x+i, y+j*8+b, !color);
         }
         o++;
       }
@@ -91,11 +92,16 @@ uint8_t mct_Char(uint8_t x, uint8_t y, unsigned char c, uint8_t color, const uin
   return w;
 }
 
+// Draw a single character. Transparent background. Returns width of drawn character
+uint8_t mct_Char(uint8_t x, uint8_t y, unsigned char c, uint8_t color, const uint8_t *font) {
+  mct_CharT(x, y, c, color, font, 1);
+}
+
 // Draw a string of characters
 void mct_String(uint8_t x, uint8_t y, const char *c, uint8_t color, const uint8_t *font) {
-  uint8_t w  = font[0]; // Font char width
-  uint8_t h  = font[1]; // Font char height
-  uint8_t s  = font[2]; // Font space between characters
+  uint8_t w  = font[1]; // Font char width
+  uint8_t h  = font[2]; // Font char height
+  uint8_t s  = font[3]; // Font space between characters
 
   if (y+h > LCDHEIGHT) return;
   while (c[0] != 0) {