 	lcd.print("Calibration end!");
 	delay(2000);
 }
-
+#endif
+
+#ifdef ENGINEERING_MODE
 void self_test() {
 	byte	i;
 

					else time_settings();
					break;

			case 4: about();
					break;

			default:	system_mode	= MENU_MODE;

		delay_time++;
	}

	#ifdef DEBUG
	Serial.println("****");
	#endif

