update default config

config.h

@@ -4,6 +4,7 @@
 #define _CONFIG_H_
 
 #define CONFIG_FREQUENCY 902
+#define OPTION_TIME_DISPLAY 0
 // CONFIG_METRIC_ONLY is not set
 #ifndef THIS_DEVICE_ADDRESS
 #define THIS_DEVICE_ADDRESS {0xed,0xc0,0xbb,0x25}