Touch defaults and M->Ref

main.c

@@ -963,7 +963,7 @@ config_t config = {
   .touch_cal =         { 347, 495, 160, 205 },  // 2.8 inch LCD panel
 #endif
 #ifdef TINYSA4
-  .touch_cal =          { 278, 513, 115, 154 }, // 4 inch panel
+  .touch_cal =          { 444, 715, 3552, 3499 }, // 4 inch panel
 #endif
   ._mode     = _MODE_USB | _MODE_AUTO_FILENAME,
   ._serial_speed = SERIAL_DEFAULT_BITRATE,

nanovna.h

@@ -1384,7 +1384,7 @@ typedef struct properties {
 
 //sizeof(properties_t) == 0x1200
 
-#define CONFIG_MAGIC 0x434f4e5C /* 'CONF' */
+#define CONFIG_MAGIC 0x434f4e5D /* 'CONF' */
 
 extern int16_t lastsaveid;
 //extern properties_t *active_props;

ui.c

@@ -764,8 +764,12 @@ static UI_FUNCTION_CALLBACK(menu_marker_op_cb)
   case 4: // marker -> ref level
     {
     float l = actual_t[markers[active_marker].index];
+#if 1
+    user_set_reflevel(l);
+#else
     float s_max = value(l)/setting.scale;
     user_set_reflevel(setting.scale*(floorf(s_max)+2));
+#endif
     }
     break;
 #ifdef __VNA__