-#define DEFAULT_TIMEBASE TIME_1ms
-#define DEFAULT_TRIGGER_SOURCE TRIGGER_CH1
-#define DEFAULT_COUPLING COUPLING_AC
-#define DEFAULT_SELECTED_CHANNEL SELECT_CH1CH2
-/* Halfway between min and max = 0V */
-#define DEFAULT_HORIZ_TRIGGERPOS 0x1400
-
+#define DEFAULT_TIMEBASE TIME_100us
+#define DEFAULT_TRIGGER_SOURCE "CH1"
+#define DEFAULT_COUPLING COUPLING_DC
+#define DEFAULT_HORIZ_TRIGGERPOS 0.5