diff --git a/nanovna.h b/nanovna.h
index efe496b..0bb9f8e 100644
--- a/nanovna.h
+++ b/nanovna.h
@@ -673,6 +673,10 @@ extern const uint8_t numfont16x22[];
 #define S_OHM      "\036"  // 0x1E
 #define S_DEGREE   "\037"  // 0x1F
 
+#define C_ENTER     0x16   // 0x16
+#define C_LARROW    0x1A   // 0x1A
+#define C_RARROW    0x1B   // 0x1B
+
 // String prefix for select font size (use not printable chars)
 #define  FONT_s     "\001"
 #define _FONT_s     1
diff --git a/ui.c b/ui.c
index 0e0d294..6c88b2d 100644
--- a/ui.c
+++ b/ui.c
@@ -1218,7 +1218,7 @@ static const keypads_t keypads_text[] = {
   {0x00, '1'}, {0x10, '2'}, {0x20, '3'}, {0x30, '4'}, {0x40, '5'}, {0x50, '6'}, {0x60, '7'}, {0x70, '8'}, {0x80, '9'}, {0x90, '0'},
   {0x01, 'Q'}, {0x11, 'W'}, {0x21, 'E'}, {0x31, 'R'}, {0x41, 'T'}, {0x51, 'Y'}, {0x61, 'U'}, {0x71, 'I'}, {0x81, 'O'}, {0x91, 'P'},
   {0x02, 'A'}, {0x12, 'S'}, {0x22, 'D'}, {0x32, 'F'}, {0x42, 'G'}, {0x52, 'H'}, {0x62, 'J'}, {0x72, 'K'}, {0x82, 'L'}, {0x92, '_'},
-  {0x03, '-'}, {0x13, 'Z'}, {0x23, 'X'}, {0x33, 'C'}, {0x43, 'V'}, {0x53, 'B'}, {0x63, 'N'}, {0x73, 'M'}, {0x83, S_LARROW[0]}, {0x93, S_ENTER[0]},
+  {0x03, '-'}, {0x13, 'Z'}, {0x23, 'X'}, {0x33, 'C'}, {0x43, 'V'}, {0x53, 'B'}, {0x63, 'N'}, {0x73, 'M'}, {0x83, C_LARROW}, {0x93, C_ENTER},
 };
 
 enum {