diff --git a/openrtx/include/interfaces/keyboard.h b/openrtx/include/interfaces/keyboard.h
index 02eb42d3..fade32c1 100644
--- a/openrtx/include/interfaces/keyboard.h
+++ b/openrtx/include/interfaces/keyboard.h
@@ -29,38 +29,38 @@
  */
 enum keys
 {
-    KEY_0     = (1 << 0),
-    KEY_1     = (1 << 1),
-    KEY_2     = (1 << 2),
-    KEY_3     = (1 << 3),
-    KEY_4     = (1 << 4),
-    KEY_5     = (1 << 5),
-    KEY_6     = (1 << 6),
-    KEY_7     = (1 << 7),
-    KEY_8     = (1 << 8),
-    KEY_9     = (1 << 9),
-    KEY_STAR  = (1 << 10),
-    KEY_HASH  = (1 << 11),
-    KEY_ENTER = (1 << 12),
-    KEY_ESC   = (1 << 13),
-    KEY_UP    = (1 << 14),
-    KEY_DOWN  = (1 << 15),
-    KEY_LEFT  = (1 << 16),
-    KEY_RIGHT = (1 << 17),
-    KEY_F1    = (1 << 18),
-    KEY_F2    = (1 << 19),
-    KEY_F3    = (1 << 20),
-    KEY_F4    = (1 << 21),
-    KEY_F5    = (1 << 22),
-    KEY_F6    = (1 << 23),
-    KEY_F7    = (1 << 24),
-    KEY_F8    = (1 << 25),
-    KEY_F9    = (1 << 26),
-    KEY_F10   = (1 << 27),
-    KEY_F11   = (1 << 28),
-    KEY_F12   = (1 << 29),
-    KEY_F13   = (1 << 30),
-    KEY_F14   = (1 << 31)
+    KEY_0     = (1 << 0),   /* Keypad digit "0"                  */
+    KEY_1     = (1 << 1),   /* Keypad digit "1"                  */
+    KEY_2     = (1 << 2),   /* Keypad digit "2"                  */
+    KEY_3     = (1 << 3),   /* Keypad digit "3"                  */
+    KEY_4     = (1 << 4),   /* Keypad digit "4"                  */
+    KEY_5     = (1 << 5),   /* Keypad digit "5"                  */
+    KEY_6     = (1 << 6),   /* Keypad digit "6"                  */
+    KEY_7     = (1 << 7),   /* Keypad digit "7"                  */
+    KEY_8     = (1 << 8),   /* Keypad digit "8"                  */
+    KEY_9     = (1 << 9),   /* Keypad digit "9"                  */
+    KEY_STAR  = (1 << 10),  /* Keypad digit "*"                  */
+    KEY_HASH  = (1 << 11),  /* Keypad digit "#"                  */
+    KEY_ENTER = (1 << 12),  /* Keypad green button/enter         */
+    KEY_ESC   = (1 << 13),  /* Keypad red button/esc             */
+    KEY_UP    = (1 << 14),  /* Keypad upward arrow               */
+    KEY_DOWN  = (1 << 15),  /* Keypad downward arrow             */
+    KEY_LEFT  = (1 << 16),  /* Keypad leftward arrow             */
+    KEY_RIGHT = (1 << 17),  /* Keypad rightward arrow            */
+    KEY_MONI  = (1 << 18),  /* Monitor button                    */
+    KEY_F1    = (1 << 19),  /* Function button                   */
+    KEY_F2    = (1 << 20),  /* Function button (device specific) */
+    KEY_F3    = (1 << 21),  /* Function button (device specific) */
+    KEY_F4    = (1 << 22),  /* Function button (device specific) */
+    KEY_F5    = (1 << 23),  /* Function button (device specific) */
+    KEY_F6    = (1 << 24),  /* Function button (device specific) */
+    KEY_F7    = (1 << 25),  /* Function button (device specific) */
+    KEY_F8    = (1 << 26),  /* Function button (device specific) */
+    KEY_F9    = (1 << 27),  /* Function button (device specific) */
+    KEY_F10   = (1 << 28),  /* Function button (device specific) */
+    KEY_F11   = (1 << 29),  /* Function button (device specific) */
+    KEY_F12   = (1 << 30),  /* Function button (device specific) */
+    KEY_F13   = (1 << 31)   /* Function button (device specific) */
 };
 
 /**
diff --git a/platform/drivers/keyboard/keyboard_MDxx380.c b/platform/drivers/keyboard/keyboard_MDxx380.c
index 88e80f66..9918fe6c 100644
--- a/platform/drivers/keyboard/keyboard_MDxx380.c
+++ b/platform/drivers/keyboard/keyboard_MDxx380.c
@@ -30,8 +30,10 @@ void kbd_init()
     /* Set the two row lines as outputs */
     gpio_setMode(KB_ROW1, OUTPUT);
     gpio_setMode(KB_ROW2, OUTPUT);
+    gpio_setMode(KB_ROW3, OUTPUT);
     gpio_clearPin(KB_ROW1);
     gpio_clearPin(KB_ROW2);
+    gpio_clearPin(KB_ROW3);
 }
 
 void kbd_terminate()
@@ -39,9 +41,10 @@ void kbd_terminate()
     /* Back to default state */
     gpio_clearPin(KB_ROW1);
     gpio_clearPin(KB_ROW2);
+    gpio_clearPin(KB_ROW3);
     gpio_setMode(KB_ROW1, INPUT);
     gpio_setMode(KB_ROW2, INPUT);
-
+    gpio_setMode(KB_ROW3, INPUT);
 }
 
 uint32_t kbd_getKeys()
@@ -89,5 +92,11 @@ uint32_t kbd_getKeys()
     if(gpio_readPin(LCD_D3)) keys |= KEY_7;
 
     gpio_clearPin(KB_ROW2);
+    gpio_setPin(KB_ROW3);
+
+    if(gpio_readPin(LCD_D6)) keys |= KEY_F1;
+    if(gpio_readPin(LCD_D7)) keys |= KEY_MONI;
+
+    gpio_clearPin(KB_ROW3);
     return keys;
 }
diff --git a/platform/targets/MD-UV380/hwconfig.h b/platform/targets/MD-UV380/hwconfig.h
index d73635fb..ce977d39 100644
--- a/platform/targets/MD-UV380/hwconfig.h
+++ b/platform/targets/MD-UV380/hwconfig.h
@@ -67,6 +67,7 @@
  */
 #define KB_ROW1 GPIOA,6 /* K1 */
 #define KB_ROW2 GPIOD,2 /* K2 */
+#define KB_ROW3 GPIOD,3 /* K3 */
 
 /*
  * To enable pwm for display backlight dimming uncomment this directive.
diff --git a/platform/targets/MD380/hwconfig.h b/platform/targets/MD380/hwconfig.h
index a9fca1e6..f65ccaf5 100644
--- a/platform/targets/MD380/hwconfig.h
+++ b/platform/targets/MD380/hwconfig.h
@@ -67,5 +67,6 @@
  */
 #define KB_ROW1 GPIOA,6 /* K1 */
 #define KB_ROW2 GPIOD,2 /* K2 */
+#define KB_ROW3 GPIOD,3 /* K3 */
 
 #endif