add: plus/minus symbol

numfont20x24.c

@@ -553,59 +553,31 @@ const uint32_t numfont20x24[][24] = {
 		0b00000000000000000000000000000000,
 		0b00000000000000000000000000000000
 		},
-		{	// speaker = \005
-		0b00000000000000000000000000000000,
-		0b00000000000000111000000000000000,
-		0b00000000000001111000000000000000,
-		0b00000000000011011000000000000000,
-		0b00000000000110011000000000000000,
-		0b00000000001100011000000000000000,
-		0b00011111111000011000000000000000,
-		0b00011111110000011000000000000000,
-
-		0b00011000110000011000000000000000,
-		0b00011000110000011000000000000000,
-		0b00011000110000011000000000000000,
-		0b00011000110000011000000000000000,
-		0b00011000110000011000000000000000,
-		0b00011000110000011000000000000000,
-		0b00011111110000011000000000000000,
-		0b00011111111000011000000000000000,
-
-		0b00000000001100011000000000000000,
-		0b00000000000110011000000000000000,
-		0b00000000000011011000000000000000,
-		0b00000000000001111000000000000000,
-		0b00000000000000111000000000000000,
-		0b00000000000000000000100000000000,
+		{	// plus/minus = \005
 		0b00000000000000000000000000000000,
-		0b00000000000000000000000000000000
-		},
-		{	// antenna = \006
 		0b00000000000000000000000000000000,
 		0b00000000000000000000000000000000,
 		0b00000000000000000000000000000000,
 		0b00000000000000000000000000000000,
 		0b00000000000000000000000000000000,
 		0b00000000000000000000000000000000,
-		0b00111111111111111100000000000000,
-		0b00111111111111111100000000000000,
+		0b00000000000110000000000000000000,
 
-		0b00110000011000001100000000000000,
-		0b00011000011000011000000000000000,
-		0b00001100011000110000000000000000,
-		0b00000110011001100000000000000000,
-		0b00000011011011000000000000000000,
-		0b00000001111110000000000000000000,
-		0b00000000111100000000000000000000,
-		0b00000000011000000000000000000000,
+		0b00011100000110000000000000000000,
+		0b00011100000110000000000000000000,
+		0b00011100001100000000000000000000,
+		0b11111111101101111111000000000000,
+		0b11111111101101111111000000000000,
+		0b11111111101101111111000000000000,
+		0b00011100001100000000000000000000,
+		0b00011100011000000000000000000000,
 
+		0b00011100011000000000000000000000,
 		0b00000000011000000000000000000000,
-		0b00000000011000000000000000000000,
-		0b00000000011000000000000000000000,
-		0b00000000011000000000000000000000,
-		0b00000000011000000000000000000000,
-		0b00000000011000000000100000000000,
+		0b00000000000000000000000000000000,
+		0b00000000000000000000000000000000,
+		0b00000000000000000000000000000000,
+		0b00000000000000000000100000000000,
 		0b00000000000000000000000000000000,
 		0b00000000000000000000000000000000
 		},