diff --git a/libraries/AP_OSD/AP_OSD.h b/libraries/AP_OSD/AP_OSD.h
index 58e014e031..c55d8eb4df 100644
--- a/libraries/AP_OSD/AP_OSD.h
+++ b/libraries/AP_OSD/AP_OSD.h
@@ -72,11 +72,15 @@ public:
     AP_Int8 xpos;
     AP_Int8 ypos;
 
-    AP_OSD_Setting();
-    AP_OSD_Setting(bool enabled, uint8_t x, uint8_t y);
+    AP_OSD_Setting(bool enabled = 0, uint8_t x = 0, uint8_t y = 0);
 
     // User settable parameters
     static const struct AP_Param::GroupInfo var_info[];
+
+private:
+    const float default_enabled;
+    const float default_xpos;
+    const float default_ypos;
 };
 
 class AP_OSD;
@@ -384,6 +388,13 @@ public:
     static const struct AP_Param::GroupInfo var_info[];
 
 private:
+    float default_enabled;
+    float default_ypos;
+    float default_param_group;
+    float default_param_idx;
+    float default_param_key;
+    float default_type;
+
 };
 
 /*
diff --git a/libraries/AP_OSD/AP_OSD_ParamSetting.cpp b/libraries/AP_OSD/AP_OSD_ParamSetting.cpp
index dc0f9865d2..a0294ffe5d 100644
--- a/libraries/AP_OSD/AP_OSD_ParamSetting.cpp
+++ b/libraries/AP_OSD/AP_OSD_ParamSetting.cpp
@@ -35,7 +35,7 @@ const AP_Param::GroupInfo AP_OSD_ParamSetting::var_info[] = {
     // @Description: Enable setting
     // @Values: 0:Disabled,1:Enabled
     // @User: Standard
-    AP_GROUPINFO("_EN", 1, AP_OSD_ParamSetting, enabled, 0),
+    AP_GROUPINFO_FLAGS_DEFAULT_POINTER("_EN", 1, AP_OSD_ParamSetting, enabled, default_enabled),
 
     // @Param: _X
     // @DisplayName: X position
@@ -49,7 +49,7 @@ const AP_Param::GroupInfo AP_OSD_ParamSetting::var_info[] = {
     // @Description: Vertical position on screen
     // @Range: 0 15
     // @User: Standard
-    AP_GROUPINFO("_Y", 3, AP_OSD_ParamSetting, ypos, 0),
+    AP_GROUPINFO_FLAGS_DEFAULT_POINTER("_Y", 3, AP_OSD_ParamSetting, ypos, default_ypos),
 
     // Parameter access keys. These default to -1 too allow user overrides
     // to work properly
@@ -58,19 +58,19 @@ const AP_Param::GroupInfo AP_OSD_ParamSetting::var_info[] = {
     // @DisplayName: Parameter key
     // @Description: Key of the parameter to be displayed and modified
     // @User: Standard
-    AP_GROUPINFO("_KEY", 4, AP_OSD_ParamSetting, _param_key, -1),
+    AP_GROUPINFO_FLAGS_DEFAULT_POINTER("_KEY", 4, AP_OSD_ParamSetting, _param_key, default_param_key),
 
     // @Param: _IDX
     // @DisplayName: Parameter index
     // @Description: Index of the parameter to be displayed and modified
     // @User: Standard
-    AP_GROUPINFO("_IDX", 5, AP_OSD_ParamSetting, _param_idx, -1),
+    AP_GROUPINFO_FLAGS_DEFAULT_POINTER("_IDX", 5, AP_OSD_ParamSetting, _param_idx, default_param_idx),
 
     // @Param: _GRP
     // @DisplayName: Parameter group
     // @Description: Group of the parameter to be displayed and modified
     // @User: Standard
-    AP_GROUPINFO("_GRP", 6, AP_OSD_ParamSetting, _param_group, -1),
+    AP_GROUPINFO_FLAGS_DEFAULT_POINTER("_GRP", 6, AP_OSD_ParamSetting, _param_group, default_param_group),
 
     // @Param: _MIN
     // @DisplayName: Parameter minimum
@@ -94,7 +94,7 @@ const AP_Param::GroupInfo AP_OSD_ParamSetting::var_info[] = {
     // @DisplayName: Parameter type
     // @Description: Type of the parameter to be displayed and modified
     // @User: Standard
-    AP_GROUPINFO("_TYPE", 10, AP_OSD_ParamSetting, _type, 0),
+    AP_GROUPINFO_FLAGS_DEFAULT_POINTER("_TYPE", 10, AP_OSD_ParamSetting, _type, default_type),
 
     AP_GROUPEND
 };
@@ -237,26 +237,27 @@ const AP_OSD_ParamSetting::ParamMetadata AP_OSD_ParamSetting::_param_metadata[OS
 extern const AP_HAL::HAL& hal;
 
 // default constructor that just sets some sensible defaults that exist on all platforms
-AP_OSD_ParamSetting::AP_OSD_ParamSetting(uint8_t param_number)
-    : _param_number(param_number)
+AP_OSD_ParamSetting::AP_OSD_ParamSetting(uint8_t param_number) :
+    _param_number(param_number),
+    default_ypos(param_number + 1),
+    default_param_group(-1),
+    default_param_idx(-1),
+    default_param_key(-1)
 {
     AP_Param::setup_object_defaults(this, var_info);
-
-    ypos.set(param_number + 1);
 }
 
 // construct a setting from a compact static initializer structure
-AP_OSD_ParamSetting::AP_OSD_ParamSetting(const Initializer& initializer)
-    : _param_number(initializer.index)
+AP_OSD_ParamSetting::AP_OSD_ParamSetting(const Initializer& initializer) :
+    _param_number(initializer.index),
+    default_enabled(true),
+    default_ypos(initializer.index + 1),
+    default_param_group(initializer.token.group_element),
+    default_param_idx(initializer.token.idx),
+    default_param_key(initializer.token.key),
+    default_type(initializer.type)
 {
     AP_Param::setup_object_defaults(this, var_info);
-
-    enabled.set(true);
-    ypos.set(initializer.index + 1);
-    _param_group.set(initializer.token.group_element);
-    _param_idx.set(initializer.token.idx);
-    _param_key.set(initializer.token.key);
-    _type.set(initializer.type);
 }
 
 // update the contained parameter
diff --git a/libraries/AP_OSD/AP_OSD_Setting.cpp b/libraries/AP_OSD/AP_OSD_Setting.cpp
index 94eda4bb7e..260035a83e 100644
--- a/libraries/AP_OSD/AP_OSD_Setting.cpp
+++ b/libraries/AP_OSD/AP_OSD_Setting.cpp
@@ -29,36 +29,30 @@ const AP_Param::GroupInfo AP_OSD_Setting::var_info[] = {
     // @Description: Enable setting
     // @Values: 0:Disabled,1:Enabled
     // @User: Standard
-    AP_GROUPINFO("_EN", 1, AP_OSD_Setting, enabled, 0),
+    AP_GROUPINFO_FLAGS_DEFAULT_POINTER("_EN", 1, AP_OSD_Setting, enabled, default_enabled),
 
     // @Param: _X
     // @DisplayName: X position
     // @Description: Horizontal position on screen
     // @Range: 0 29
     // @User: Standard
-    AP_GROUPINFO("_X", 2, AP_OSD_Setting, xpos, 0),
+    AP_GROUPINFO_FLAGS_DEFAULT_POINTER("_X", 2, AP_OSD_Setting, xpos, default_xpos),
 
     // @Param: _Y
     // @DisplayName: Y position
     // @Description: Vertical position on screen
     // @Range: 0 15
     // @User: Standard
-    AP_GROUPINFO("_Y", 3, AP_OSD_Setting, ypos, 0),
+    AP_GROUPINFO_FLAGS_DEFAULT_POINTER("_Y", 3, AP_OSD_Setting, ypos, default_ypos),
 
     AP_GROUPEND
 };
 
-// constructors
-AP_OSD_Setting::AP_OSD_Setting()
+// constructor
+AP_OSD_Setting::AP_OSD_Setting(bool _enabled, uint8_t x, uint8_t y) :
+    default_enabled(_enabled),
+    default_xpos(x),
+    default_ypos(y)
 {
     AP_Param::setup_object_defaults(this, var_info);
 }
-
-
-AP_OSD_Setting::AP_OSD_Setting(bool _enabled, uint8_t x, uint8_t y) :
-    AP_OSD_Setting()
-{
-    enabled.set(_enabled);
-    xpos.set(x);
-    ypos.set(y);
-}