+#if IRSND_SUPPORT_A1TVBOX_PROTOCOL == 1 && F_INTERRUPTS < 15000\r
+# warning F_INTERRUPTS too low, A1TVBOX protocol disabled (should be at least 15000)\r
+# undef IRSND_SUPPORT_A1TVBOX_PROTOCOL\r
+# define IRSND_SUPPORT_A1TVBOX_PROTOCOL 0\r
+#endif\r
+\r