diff --git a/Inc/base_config.h b/Inc/base_config.h
index 4782e4d..334af92 100644
--- a/Inc/base_config.h
+++ b/Inc/base_config.h
@@ -1152,7 +1152,7 @@ void operation_debug_io(unsigned char nbr);//debug only
 			// <o> SW2		
 			#define 	SW2    0	
 			// <o> SW3				
-			#define 	SW3    16
+			#define 	SW3    17
 			#endif			
 			// </e>