diff --git a/numfont20x24.c b/numfont20x24.c
index f1eb13b..f6b2525 100644
--- a/numfont20x24.c
+++ b/numfont20x24.c
@@ -553,62 +553,34 @@ const uint32_t numfont20x24[][24] = {
 		0b00000000000000000000000000000000,
 		0b00000000000000000000000000000000
 		},
-		{	// speaker = \005
+		{	// plus/minus = \005
 		0b00000000000000000000000000000000,
-		0b00000000000000111000000000000000,
-		0b00000000000001111000000000000000,
-		0b00000000000011011000000000000000,
-		0b00000000000110011000000000000000,
-		0b00000000001100011000000000000000,
-		0b00011111111000011000000000000000,
-		0b00011111110000011000000000000000,
+		0b00000000000000000000000000000000,
+		0b00000000000000000000000000000000,
+		0b00000000000000000000000000000000,
+		0b00000000000000000000000000000000,
+		0b00000000000000000000000000000000,
+		0b00000000000000000000000000000000,
+		0b00000000000110000000000000000000,
 
-		0b00011000110000011000000000000000,
-		0b00011000110000011000000000000000,
-		0b00011000110000011000000000000000,
-		0b00011000110000011000000000000000,
-		0b00011000110000011000000000000000,
-		0b00011000110000011000000000000000,
-		0b00011111110000011000000000000000,
-		0b00011111111000011000000000000000,
+		0b00011100000110000000000000000000,
+		0b00011100000110000000000000000000,
+		0b00011100001100000000000000000000,
+		0b11111111101101111111000000000000,
+		0b11111111101101111111000000000000,
+		0b11111111101101111111000000000000,
+		0b00011100001100000000000000000000,
+		0b00011100011000000000000000000000,
 
-		0b00000000001100011000000000000000,
-		0b00000000000110011000000000000000,
-		0b00000000000011011000000000000000,
-		0b00000000000001111000000000000000,
-		0b00000000000000111000000000000000,
+		0b00011100011000000000000000000000,
+		0b00000000011000000000000000000000,
+		0b00000000000000000000000000000000,
+		0b00000000000000000000000000000000,
+		0b00000000000000000000000000000000,
 		0b00000000000000000000100000000000,
 		0b00000000000000000000000000000000,
 		0b00000000000000000000000000000000
 		},
-		{	// antenna = \006
-		0b00000000000000000000000000000000,
-		0b00000000000000000000000000000000,
-		0b00000000000000000000000000000000,
-		0b00000000000000000000000000000000,
-		0b00000000000000000000000000000000,
-		0b00000000000000000000000000000000,
-		0b00111111111111111100000000000000,
-		0b00111111111111111100000000000000,
-
-		0b00110000011000001100000000000000,
-		0b00011000011000011000000000000000,
-		0b00001100011000110000000000000000,
-		0b00000110011001100000000000000000,
-		0b00000011011011000000000000000000,
-		0b00000001111110000000000000000000,
-		0b00000000111100000000000000000000,
-		0b00000000011000000000000000000000,
-
-		0b00000000011000000000000000000000,
-		0b00000000011000000000000000000000,
-		0b00000000011000000000000000000000,
-		0b00000000011000000000000000000000,
-		0b00000000011000000000000000000000,
-		0b00000000011000000000100000000000,
-		0b00000000000000000000000000000000,
-		0b00000000000000000000000000000000
-		},
 		{	// keypad = \007
 		0b00000000000000000000000000000000,
 		0b00111101111011110000000000000000,
diff --git a/ui.c b/ui.c
index 657b0d6..6d18589 100644
--- a/ui.c
+++ b/ui.c
@@ -1162,11 +1162,10 @@ void menu_invoke(int item)
 #define KP_BS 16
 #define KP_INF 17
 #define KP_DB 18
-#define KP_SPK 19
-#define KP_ANT 20
-#define KP_KEYPAD 21
-#define KP_N 22
-#define KP_P 23
+#define KP_PLUSMINUS 19
+#define KP_KEYPAD 20
+#define KP_N 21
+#define KP_P 22
 
 typedef struct {
   uint16_t x, y;
@@ -1225,8 +1224,9 @@ const keypads_t keypads_time[] = {
   { KP_X(0), KP_Y(0), 7 },
   { KP_X(1), KP_Y(0), 8 },
   { KP_X(2), KP_Y(0), 9 },
-  { KP_X(3), KP_Y(2), KP_N },
-  { KP_X(3), KP_Y(3), KP_P },
+  { KP_X(3), KP_Y(1), KP_N },
+  { KP_X(3), KP_Y(2), KP_P },
+  { KP_X(3), KP_Y(3), KP_MINUS },
   { KP_X(2), KP_Y(3), KP_BS },
   { 0, 0, -1 }
 };
@@ -1761,6 +1761,9 @@ keypad_click(int key)
     // append period if there are no period
     if (kp_index == j)
       kp_buf[kp_index++] = '.';
+  } else if (c == KP_MINUS) {
+    if (kp_index == 0)
+      kp_buf[kp_index++] = '-';
   } else if (c == KP_BS) {
     if (kp_index == 0) {
       return KP_CANCEL;