diff --git a/scenes/контроль/блок-а.tscn b/scenes/контроль/блок-а.tscn
index 15ca8718..8b6a21b0 100644
--- a/scenes/контроль/блок-а.tscn
+++ b/scenes/контроль/блок-а.tscn
@@ -21,127 +21,96 @@ extends PanelContainer
     set(v):
         value0 = v
         $margin/vbox/grid1/indicator0.value = v
-    get:
-        return value0
 
 
 @export var value1: float:
     set(v):
         value1 = v
         $margin/vbox/grid1/indicator1.value = v
-    get:
-        return value1
 
 
 @export var min_value0: float:
     set(v):
         min_value0 = v
         $margin/vbox/grid1/indicator0.min_value = v
-    get:
-        return min_value0
 
 
 @export var min_value1: float:
     set(v):
         min_value1 = v
         $margin/vbox/grid1/indicator1.min_value = v
-    get:
-        return min_value1
 
 
 @export var max_value0: float:
     set(v):
         max_value0 = v
         $margin/vbox/grid1/indicator0.max_value = v
-    get:
-        return max_value0
 
 
 @export var max_value1: float:
     set(v):
         max_value1 = v
         $margin/vbox/grid1/indicator1.max_value = v
-    get:
-        return max_value1
 
 
 @export var step0: float:
     set(v):
         step0 = v
         $margin/vbox/grid1/indicator0.step = v
-    get:
-        return step0
 
 
 @export var step1: float:
     set(v):
         step1 = v
         $margin/vbox/grid1/indicator1.step = v
-    get:
-        return step1
 
 
 @export var value_name0: String:
     set(v):
         value_name0 = v
         $margin/vbox/grid1/indicator0.value_name = v
-    get:
-        return value_name0
 
 
 @export var value_name1: String:
     set(v):
         value_name1 = v
         $margin/vbox/grid1/indicator1.value_name = v
-    get:
-        return value_name1
 
 
 @export var name_min_size0: Vector2i:
     set(v):
         name_min_size0 = v
         $margin/vbox/grid1/indicator0.name_min_size = v
-    get:
-        return name_min_size0
 
 
 @export var name_min_size1: Vector2i:
     set(v):
         name_min_size1 = v
         $margin/vbox/grid1/indicator1.name_min_size = v
-    get:
-        return name_min_size1
 
 
 @export var fname: String:
     set(v):
         fname = v
         $margin/vbox/grid0/fname.text = v
-    get:
-        return fname
+
 
 @export var rname: String:
     set(v):
         rname = v
         $margin/vbox/grid0/rname.text = v
-    get:
-        return rname
 
 
 @export var state: int:
     set(v):
-        state = 0 if v < 0 else v % textures.size()
+        state = tools.clip_value(v, 0, textures.size() - 1)
         $margin/vbox/grid0/state.texture = textures[state]
-    get:
-        return state
 
 
 @export var alignment: int:
     set(v):
         alignment = v
         $margin/vbox.alignment = v
-    get:
-        return alignment
 "
 
 [sub_resource type="GDScript" id="GDScript_45hqb"]
diff --git a/scripts/interfer.gd b/scripts/interfer.gd
index 55b1c869..f7a1f131 100644
--- a/scripts/interfer.gd
+++ b/scripts/interfer.gd
@@ -185,7 +185,7 @@ func on_interfer_rcv(interfer_params: Array, unit, ecms):
         param['width'] = interfer_params[5]
         if (param['width'] < WIDTH_MIN) and (param['width'] > WIDTH_MAX):
             err = true
-        var interfer_name: String 
+        var interfer_name: String
         for key in ITERFER_MODE:
             if ITERFER_MODE[key][2] == mode:
                 interfer_name = key
diff --git a/scripts/tools.gd b/scripts/tools.gd
index 3e5a485f..9db2b756 100644
--- a/scripts/tools.gd
+++ b/scripts/tools.gd
@@ -1,3 +1,4 @@
+@tool
 extends Node
 
 ## Простые часто используемые функции
@@ -40,8 +41,11 @@ func _check_index(obj, index) -> bool:
 ## Возвращает значение поля хранящегося по указанному пути внутри объекта.[br]
 ## [param obj] - Объект в котором хранится поле, должен быть [b]Dictionary[/b].[br]
 ## [param paths] - Массив содержащий путь к полю значения, включая его имя[br]
-## [param ret_val] - Массив из одного элемента. После вызова, содержит значение искомого поля.[br]
-func get_value_by_path(obj, paths: Array, ret_val: Array) -> bool:
+## [param ret_val] - Массив из двух элементов.[br]
+## После вызова элемент [b]0[/b] содержит значение искомого поля.
+## После вызова элемент [b]1[/b] содержит [b]true[/b], если поле найдено,
+## и [b]false[/b], если иначе.
+func get_value_by_path(obj, paths: Array, ret_val: Array):
     var index = paths.pop_at(0)
     if paths.size():
         if _check_index(obj, index):