diff --git a/.gitignore b/.gitignore
index a3b149b..4762b6c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -38,3 +38,5 @@ modbus/serial/__pycache__
 /scenes/pribor-prd-k/kasseta-fs-kd.tscn.bak
 /scenes/pribor-prd-k/pribor-prd-k.tscn.bak
 /scenes/pribor-prd-n/kasseta-fs-nd.tscn.bak
+
+*.patch
diff --git a/README.md b/README.md
index 0389621..aa9e039 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,6 @@
 - [Проброс последовательных портов через Ethernet](http://gitea.srez.local:3000/sasha80/uart-forwarder)
 - [Сборка Godot из исходников](http://gitea.srez.local:3000/sasha80/godot-build)
 - [Сервер карт](http://gitea.srez.local:3000/sasha80/map-tiles)
-- [Генераторы PCM файлов для модулей ФС](http://gitea.srez.local:3000/danil_tim/Signals_to_the_MP-550)
 
 # Ссылки на имитаторы
 
@@ -36,4 +35,5 @@
 
 - После клонирования запустить скрипт `git-hooks-config.sh`
 - В среде **Windows** запуск скрипта `git-hooks-config.sh` производить из оболочки `git bash`
-- При необходимости обновить `settings.json`
+- Нужно обновить `settings.json`
+- поиск циклических зависимостей
diff --git a/check-graph.py b/check-graph.py
new file mode 100644
index 0000000..73edca9
--- /dev/null
+++ b/check-graph.py
@@ -0,0 +1,164 @@
+# -*- coding: utf-8 -*-
+import os
+import re
+import networkx as nx
+
+# pip install networkx plotly numpy scipy
+
+def build_class_graph(directory):
+    """Builds a directed acyclic graph of class dependencies."""
+    # Create a graph to store the dependencies
+    graph = nx.DiGraph()
+    dependencies = {}
+
+    # Find all .gd files in the directory
+    for root, dirs, files in os.walk(directory):
+        for file in files:
+            if not file.endswith(".gd"):
+                continue
+
+            file_path = os.path.join(root, file)
+            # Find the class name in the file
+            with open(file_path, "r", encoding="utf-8") as f:
+                contents = f.read()
+                match = re.search(r"^class_name\s+(\w+)", contents, re.MULTILINE)
+                if not match:
+                    continue
+
+                class_name = match.group(1)
+                graph.add_node(class_name)
+
+                # Find the dependencies of the class
+                for dep_match in re.finditer(
+                    r"^\s*extends\s+(\w+)", contents, re.MULTILINE
+                ):
+                    dep_name = dep_match.group(1)
+                    graph.add_edge(class_name, dep_name)
+
+                # Find all uses of the class name in other files
+                for root2, dirs2, files2 in os.walk(directory):
+                    for file2 in files2:
+                        if not file2.endswith(".gd"):
+                            continue
+
+                        if file_path == os.path.join(root2, file2):
+                            continue
+
+                        with open(os.path.join(root2, file2), "r", encoding="utf-8") as f2:
+                            contents2 = f2.read()
+                            if re.search(rf"\b{class_name}\b", contents2):
+                                print(
+                                    file2.ljust(30, " "),
+                                    f"--> class_name {class_name}".ljust(50, " "),
+                                    f" from {file}",
+                                )
+                                graph.add_edge(class_name, file2)
+                                dependencies[file2] = file
+
+    pos = nx.planar_layout(graph)
+
+    # Set the node positions in the graph
+    nx.set_node_attributes(graph, pos, "pos")
+
+    return graph, dependencies
+
+
+def debug_graph(graph):
+    """Builds and visualizes a graph of class dependencies in the directory."""
+    import plotly.graph_objects as go
+
+    # Create the plotly figure
+    fig = go.Figure()
+
+    # Add the nodes to the figure
+    for node in graph.nodes():
+        x, y = graph.nodes[node]["pos"]
+        fig.add_trace(
+            go.Scatter(
+                x=[x],
+                y=[y],
+                text=[node],
+                hovertext=[f"Class: {node}"],
+                mode="markers",
+                marker=dict(
+                    symbol="circle", size=20, line=dict(width=1, color="black"),
+                ),
+                name=node,
+            )
+        )
+
+    # Add the edges to the figure
+    for edge in graph.edges():
+        x0, y0 = graph.nodes[edge[0]]["pos"]
+        x1, y1 = graph.nodes[edge[1]]["pos"]
+        fig.add_trace(
+            go.Scatter(
+                x=[x0, x1],
+                y=[y0, y1],
+                text=[f"{edge[0]} -> {edge[1]}", ""],
+                hovertext=[f"Depends on: {edge[1]}", ""],
+                mode="lines+markers+text",
+                line=dict(width=2, color="black"),
+                marker=dict(size=0),
+                textposition="middle right",
+                showlegend=True,
+            )
+        )
+
+    # Customize the layout and style of the figure
+    fig.update_layout(
+        title="Class Dependency Graph",
+        title_font_size=24,
+        margin=dict(l=20, r=20, t=50, b=20),
+        hovermode="closest",
+        plot_bgcolor="white",
+        showlegend=True,
+    )
+
+    # Show the figure
+    fig.show()
+
+
+def find_circular_dependencies(dependencies):
+    """Finds circular dependencies between classes in the directory."""
+
+    circular_dependencies = []
+
+    for file, dependency in dependencies.items():
+        visited = set()
+        path = [file]
+
+        while dependency and dependency not in visited:
+            visited.add(dependency)
+            path.append(dependency)
+            dependency = dependencies.get(dependency)
+
+            # Circular check
+            if dependency in path:
+                start_index = path.index(dependency)
+                circular_dependency = path[start_index:]
+                if circular_dependency not in circular_dependencies:
+                    circular_dependencies.append(circular_dependency)
+                break
+
+    # Convert circular_dependencies to dependency paths
+    dependency_paths = []
+    for circular_dependency in circular_dependencies:
+        dependency_path = " -> ".join(circular_dependency)
+        dependency_paths.append(dependency_path)
+
+    return dependency_paths
+
+
+# Example usage
+graph, dependencies = build_class_graph("./")
+debug_graph(graph)
+circular_deps = find_circular_dependencies(dependencies)
+print("----------------------------------")
+if circular_deps:
+    print(" Circular dependencies found!")
+    for dep in circular_deps:
+        print("\t", dep)
+else:
+    print(" No circular dependencies found.")
+print("----------------------------------")
diff --git a/scenes/tabs-switch/tab-switch.tscn b/scenes/tabs-switch/tab-switch.tscn
index b33b2b9..7fd6d96 100644
--- a/scenes/tabs-switch/tab-switch.tscn
+++ b/scenes/tabs-switch/tab-switch.tscn
@@ -5,8 +5,8 @@
 [ext_resource type="PackedScene" uid="uid://lwmw4egynmd1" path="res://scenes/контроль/контроль.tscn" id="3_txp0s"]
 [ext_resource type="PackedScene" uid="uid://trt0q8th3bn2" path="res://scenes/журнал/журнал.tscn" id="4_cu5k8"]
 [ext_resource type="PackedScene" uid="uid://dab6loryocc73" path="res://scenes/эмс/эмс.tscn" id="5_u71bh"]
+[ext_resource type="PackedScene" uid="uid://musb21x2u0xs" path="res://scenes/эмс2/эмс2.tscn" id="6_41d34"]
 [ext_resource type="PackedScene" uid="uid://bnptm4rlp60dq" path="res://scenes/настройки/настройки.tscn" id="6_i8iv3"]
-[ext_resource type="PackedScene" uid="uid://musb21x2u0xs" path="res://scenes/эмс2/эмс2.tscn" id="6_rsg03"]
 [ext_resource type="Script" uid="uid://b5ykwyk5vpi6" path="res://scenes/tabs-switch/lbl_ready.gd" id="8_tidwt"]
 [ext_resource type="Script" uid="uid://roajn6c6wvc1" path="res://scenes/tabs-switch/тренаж_режим.gd" id="9_41d34"]
 
@@ -69,7 +69,7 @@ visible = false
 layout_mode = 2
 metadata/_tab_index = 3
 
-[node name="ЭМС ТГ" parent="tab_switch" instance=ExtResource("6_rsg03")]
+[node name="ЭМС ТГ" parent="tab_switch" instance=ExtResource("6_41d34")]
 visible = false
 layout_mode = 2
 metadata/_tab_index = 4
diff --git a/scenes/tilemap/ship_mark.tscn b/scenes/tilemap/ship_mark.tscn
index 06aacfd..fbf2558 100644
--- a/scenes/tilemap/ship_mark.tscn
+++ b/scenes/tilemap/ship_mark.tscn
@@ -3,6 +3,5 @@
 [ext_resource type="Texture2D" uid="uid://cj1f2uy6qfvki" path="res://scenes/tilemap/23900.png" id="1_v0nwa"]
 
 [node name="23900" type="Sprite2D"]
-rotation = -6.28319
 scale = Vector2(0.496934, 0.496934)
 texture = ExtResource("1_v0nwa")
diff --git a/scenes/tilemap/tilemap.gd b/scenes/tilemap/tilemap.gd
index e363d95..37e3ae4 100644
--- a/scenes/tilemap/tilemap.gd
+++ b/scenes/tilemap/tilemap.gd
@@ -147,12 +147,11 @@ func _ready() -> void:
     signaller.connect('map_centered', on_map_centered)
     if not Engine.is_editor_hint():
         var unit_nav = network.get_unit_instance('навигация')
-        unit_nav.connect('data_received', Callable(self, 'on_data_received'))
+        unit_nav.connect('data_received', on_data_received)
     ProjectSettings.connect('settings_changed', _settings_changed)
     threats.connect('threat_new', Callable(self, '_on_threat_new'))
     threats.connect('threat_lost', Callable(self, '_on_threat_lost'))
     threats.connect('threat_update', Callable(self, '_on_threat_update'))
-    
 
 
 func _settings_changed():
@@ -196,7 +195,7 @@ func add_mark_from_lon_lat(id: int, lon: float, lat: float, mark: Node, gap_size
     if _marks.has(id):
         return false
     var wrld_pos: Vector2 = lonlat_to_world(lon, lat)
-    _marks[id] = {'id': id, 'position': wrld_pos, 'mark': mark, 'gap_size': gap_size}  # Добавляем ID
+    _marks[id] = {'position': wrld_pos, 'mark': mark, 'gap_size': gap_size}
     add_child(mark)
     queue_redraw()
     return true
@@ -294,15 +293,20 @@ func _draw() -> void:
     for tx in range(t1.x, t2.x):
         for ty in range(t1.y, t2.y):
             _draw_tile(tx, ty, z)
+    # Рисование отметок
+    var n: = pow(2, z)
+    var dx: = n * tile_width
     var c: Vector2 = $canvas.size / 2.0
     var r: float = c.length()
     visible_marks_count = 0
     for dot in _marks.values():
-        var screen_pos = world_to_screen(dot.position)
-        dot.mark.position = screen_pos
+        var scr_pos: Vector2 = world_to_screen(dot.position)
+        scr_pos.x = posmod(int(scr_pos.x), int(dx))
+        dot.mark.position = scr_pos
         dot.mark.visible = is_mark_visible(dot)
-        dot.mark.visible = c.distance_to(screen_pos) < (r - dot.gap_size)
+        dot.mark.visible = c.distance_to(scr_pos) < (r - dot.gap_size)
         visible_marks_count += int(dot.mark.visible)
+    # Рисование границ
     var p1: Vector2 = $canvas.position
     var p2: Vector2 = $canvas.size / Vector2(1, 20)
     if is_out_border1 and _dragging:
@@ -376,22 +380,33 @@ func _process(delta) -> void:
         update_scale_label()
 
 
-func _response(result, code, _headers: Array, body: PackedByteArray, req, tile: Tile) -> void:
-    var unit_instance = network.get_unit_instance('уарэп-карта')
-    _req_count -= 1
-    remove_child(req)
-    req.queue_free()
+func process_online(result):
+    # ERROR: res://scenes/tilemap/tilemap.gd:396 - Invalid access to property or key 'online' on a base object of type 'Nil'.
+    var unit_instance: = network.get_unit_instance('уарэп-карта')
+    if not unit_instance: return
 
     if result != HTTPRequest.RESULT_SUCCESS:
         if unit_instance.online:
             unit_instance.online = false
             unit_instance.emit_signal('line_changed', unit_instance)
-        _queue[tile.i] = tile
-        return
+        return false
 
+    unit_instance.rx_tick = Time.get_ticks_msec()
     if not unit_instance.online:
         unit_instance.online = true
         unit_instance.emit_signal('line_changed', unit_instance)
+    return true
+
+
+func _response(result, code, _headers: Array, body: PackedByteArray, req, tile: Tile) -> void:
+    _req_count -= 1
+    remove_child(req)
+    req.queue_free()
+
+    if process_online(result):
+        _queue[tile.i] = tile
+    else:
+        return
 
     if code == 404:
         push_error('на сервере нет \"%s\"' % tile.url)
@@ -401,11 +416,6 @@ func _response(result, code, _headers: Array, body: PackedByteArray, req, tile:
         push_error('не удалось получить изображение (неверный формат?) из \"%s\"' % tile.url)
         return
 
-    unit_instance.rx_tick = Time.get_ticks_msec()
-    if not unit_instance.online:
-        unit_instance.online = true
-        unit_instance.emit_signal('line_changed', unit_instance)
-
     tile.texture = ImageTexture.create_from_image(image)
     _cache[tile.i] = tile
 
@@ -707,7 +717,7 @@ func set_coordinates(lon: float, lat: float, course: float) -> void:
         add_mark_from_lon_lat(ship_id, lon, lat, ship_instance, 0.0)
     else:
         _marks[ship_id].position = lonlat_to_world(lon, lat)
-        ship_instance.rotation_degrees = course
+        ship_instance.rotation_degrees = fmod(course, 360.0)
     queue_redraw()
 
 
diff --git a/scenes/работа/работа.gd b/scenes/работа/работа.gd
index 469e459..804c031 100644
--- a/scenes/работа/работа.gd
+++ b/scenes/работа/работа.gd
@@ -177,7 +177,7 @@ func _ready():
     signaller.connect('map_user_panning',       Callable(self, 'on_user_panning'))
     signaller.connect('update_coordinates_map', Callable(self, 'on_update_coordinates_label'))
     signaller.connect('update_scale_map',       Callable(self, 'on_update_scale_label'))
-    signaller.connect('sector_klaster',        Callable(self, 'sector_klaster'))
+    signaller.connect('sector_klaster',         Callable(self, 'sector_klaster'))
     signaller.connect('clear_klaster',          Callable(self, 'clear_all_klaster'))
     var unit_nav = network.get_unit_instance('навигация')
     unit_nav.connect('data_received', on_navi_data_received)
diff --git a/scenes/работа/работа.tscn b/scenes/работа/работа.tscn
index 8313ec3..8f77b23 100644
--- a/scenes/работа/работа.tscn
+++ b/scenes/работа/работа.tscn
@@ -379,8 +379,8 @@ texture_normal = ExtResource("14_ggrwd")
 [connection signal="drag_continue" from="." to="." method="_on_drag_continue"]
 [connection signal="toggled" from="btn_view" to="." method="on_button_view_toggled"]
 [connection signal="toggled" from="chk_auto" to="." method="on_value_changed"]
-[connection signal="toggled" from="btn_activate" to="." method="on_btn_activate"]
 [connection signal="toggled" from="btn_activate" to="." method="on_btn_activate_toggled"]
+[connection signal="toggled" from="btn_activate" to="." method="on_btn_activate"]
 [connection signal="toggled" from="btn_center" to="." method="on_btn_center_toggled"]
 [connection signal="button_down" from="zoom_plus" to="tilemap" method="_on_zoom_plus_button_down"]
 [connection signal="button_up" from="zoom_plus" to="tilemap" method="_on_zoom_plus_button_up"]
diff --git a/scenes/эмс2/эмс2.tscn b/scenes/эмс2/эмс2.tscn
index 55ccd98..b88856c 100644
--- a/scenes/эмс2/эмс2.tscn
+++ b/scenes/эмс2/эмс2.tscn
@@ -77,6 +77,7 @@ scale = Vector2(1.77945, 1.77945)
 texture = ExtResource("5_yqn2y")
 
 [node name="СостояниеРэс2" type="Sprite2D" parent="Op-63"]
+visible = false
 position = Vector2(281.865, 35.2331)
 scale = Vector2(3.20301, 3.20301)
 texture = ExtResource("6_m57px")
diff --git a/scripts/interfer.gd b/scripts/interfer.gd
index 2b4e62b..01c7f52 100644
--- a/scripts/interfer.gd
+++ b/scripts/interfer.gd
@@ -199,7 +199,7 @@ func _ready() -> void:
     unit_caps.connect('data_received', Callable(self, 'on_data_capsrpb_received').bind(ecms, seczaps))
     unit_5p28.connect('get_interfers', Callable(self, 'on_get_interfers').bind(unit_5p28, ecms))
     signaller.connect('interfer_create', Callable(self, 'on_interfer_create').bind(unit_caps, ecms))
-    signaller.connect('interfer_rcv', Callable(self, 'on_interfer_rcv').bind(unit_5p28, ecms))
+    signaller.connect('interfer_rcv', Callable(self, 'on_interfer_rcv').bind(unit_5p28, unit_caps, ecms))
     signaller.connect('interfer_new', Callable(self, 'on_interfer_new').bind(unit_caps))
     signaller.connect('interfer_off_all', Callable(self, 'on_interfer_off_all').bind(unit_caps, ecms))
     signaller.connect('th_aoa_update', Callable(self, 'on_th_aoa_update').bind(ecms, unit_caps))
@@ -351,8 +351,8 @@ func map_msvk_to_ecms(unit_instance: unit.Unit, ecms: Dictionary):
 
 
 ## Извлекает массив пространственно-частотных фильтров
-func map_mpchf_to_seczaps(unit_instance: unit.Unit, seczaps: Dictionary):
-    var json_dic: = unit_instance.json_dic as Dictionary
+func map_mpchf_to_seczaps(unit_instance: unit.Unit, _seczaps: Dictionary):
+    var json_dic = unit_instance.json_dic
     var mpchf = json_dic.get('mpchf', [])
     if mpchf is not Array: return
     for item in mpchf:
@@ -397,7 +397,7 @@ func on_interfer_create(interfer_name, sel_threats, fs_arr, power, u, ecms) -> v
         interfer_create(u, interfer_name, ecms, param, kni, id, fs, SOURCE_INTERFER[1], power)
 
 
-func on_interfer_rcv(interfer_params: Array, unit0, ecms) -> void:
+func on_interfer_rcv(interfer_params: Array, unit0, unit_caps, ecms) -> void:
         var err: bool = false
         var mode = interfer_params[0]
         var id = interfer_params[1]
@@ -425,7 +425,7 @@ func on_interfer_rcv(interfer_params: Array, unit0, ecms) -> void:
         if interfer_name == '':
             err = true
         if not err:
-            interfer_create(unit0, interfer_name, ecms, param, aoa, id, cu, SOURCE_INTERFER[2], POW_DEFAULT)
+            interfer_create(unit_caps, interfer_name, ecms, param, aoa, id, cu, SOURCE_INTERFER[2], POW_DEFAULT)
         unit0.on_interfer_accept(err)
 
 
diff --git a/scripts/navigation.gd b/scripts/navigation.gd
index 2e8ed4a..245c9b8 100644
--- a/scripts/navigation.gd
+++ b/scripts/navigation.gd
@@ -4,10 +4,12 @@ class_name navigation extends Node
 
 const ONLINE_TIMEOUT: = 5000  ## Время ожидания пакета, миллисекунды
 const pow_2_30:       = pow(2.0, 30.0)
+const FRACT_MAX: int = 3
 
 ## Источник данных навигации
 class NaviSource extends unit.Unit:
     var cmd_tick_rx: int = 0
+    var fract: int = 0
     var data: = {}         ## Принятые данные
     var source_addr: = []  ## Адрес отправителя
     const akng_mode = {0:'тестовый', 1:'основной', 2:'резервный', 3:'аварийный'}
@@ -43,5 +45,8 @@ class NaviSource extends unit.Unit:
         if flags & (1 << 3):
             data['speed'] = rx_data.decode_float(20)  # Скорость, м/с
         data['err'] = rx_data.decode_u16(24)          #
-        emit_signal('data_received', data)
+        if fract == 0:
+            emit_signal('data_received', data)
+        fract += 1
+        fract %= FRACT_MAX
         return true
diff --git a/scripts/network.gd b/scripts/network.gd
index dea8706..dd0d31b 100644
--- a/scripts/network.gd
+++ b/scripts/network.gd
@@ -1,4 +1,4 @@
-#@tool
+@tool
 class_name Network extends Node
 
 const YAU07_PROTO: = {'yau07tx': yau07.YaU07}
@@ -22,18 +22,20 @@ class SocketSerial extends SerialPort:
         'O': SerialPort.PARITY_ODD }
     static var tick: int
     var unit_instance: unit.Unit
+    var failed: = {}
+
+    func _init():
+        connect('got_error', on_serial_got_error)
+
+    func on_serial_got_error(where: String, what: String):
+        if where not in failed:
+            push_error([where, what, unit_instance])
+            failed[where] = what
 
     func on_serial_data(data: PackedByteArray):
+        failed.clear()
         unit_instance.parse(data, tick)
 
-    func on_settings_changed():
-        try_close()
-        var rc = try_open()
-        if rc != Error.OK:
-            log.message(log.ERROR, 'невозможно открыть %s для \"%s\"' % [self, unit_instance.name])
-        else:
-            log.message(log.INFO, '%s для \"%s\"' % [self, unit_instance.name])
-
     func format_buffer(data: PackedByteArray):
         var buffer: PackedByteArray
         buffer.resize(64)
@@ -50,16 +52,16 @@ class SocketSerial extends SerialPort:
         buffer.resize(i)
         return buffer
 
-    func send_to(data: PackedByteArray):
+    func send_to(_data: PackedByteArray):
         if not is_open():
-            try_open()
+            call_deferred('try_open')
             return
         # var buffer = format_buffer(data)  # Не проверено, но должно работать
         # Эта последовательность для запроса состояния, получена от разработчиков СПТ-25
         const tx_tula: = [0x7e, 0x01, 0x04, 0xbb, 0x50, 0x7e]
         var sz = write_raw(tx_tula)
         if sz != tx_tula.size():
-            try_open()
+            call_deferred('try_close')
 
     func _to_string() -> String: return 'последовательный порт \"%s\" @ %d (%s)' % [self.port, self.baudrate, 'открыт' if is_open() else 'закрыт']
 
@@ -144,6 +146,15 @@ var send_sockets: Dictionary[StringName, SocketUDP]    ## Таблица <имя
 var addr_port_to_unit_name: Dictionary[StringName, StringName]  ## Преобразование адрес:порт в имя устройства
 
 
+func on_settings_changed(serial: SocketSerial):
+    serial.try_close()
+    var rc = serial.try_open()
+    if rc != Error.OK:
+        log.message(log.ERROR, 'невозможно открыть %s для \"%s\"' % [serial.port, serial.unit_instance.name])
+    else:
+        log.message(log.INFO, 'открыт %s для \"%s\"' % [serial.port, serial.unit_instance.name])
+
+
 ## [param unit_name] - Уникальное имя устройства[br]
 func create_socket_udp(unit_name: StringName) -> SocketUDP:
     var st = settings.UnitProfiles[unit_name][1]
@@ -202,13 +213,10 @@ func create_serial(unit_instance: unit.Unit) -> SocketSerial:
     serial.bytesize = st[4]
     serial.stopbits = st[5]
     serial.unit_instance = unit_instance
+    ProjectSettings.connect('settings_changed', func(): on_settings_changed(serial))
     return serial
 
 
-func on_serial_got_error(where: String, what: String, serial: SocketSerial, unit_instance: unit.Unit):
-    push_error([where, what, serial])
-
-
 ## [param unit_name] - Уникальное имя устройства[br]
 func create_modbus(unit_name: StringName) -> sch_3.Sch3:
     var unit_modbus: = sch_3.Sch3.new(unit_name)
@@ -286,8 +294,6 @@ func _ready() -> void:
         if proto in SERIAL_PROTO:
             var unit_instance = SERIAL_PROTO[proto].new(unit_name)
             var serial: = create_serial(unit_instance)
-            serial.connect('got_error', on_serial_got_error.bind(serial, unit_instance))
-            ProjectSettings.connect('settings_changed', serial.on_settings_changed)
             units_serial[unit_name] = unit_instance
             units[unit_name] = unit_instance
             serials[unit_name] = serial
@@ -391,6 +397,7 @@ func get_tcp_data(sock: SocketTCP, peer: StreamPeer, len_rx: int):
 
 
 func _process(_delta: float) -> void:
+    if Engine.is_editor_hint(): return
     tick = Time.get_ticks_msec()
     RenderingServer.global_shader_parameter_set('tick_curent', tick)
     for unit_name: StringName in units_udptx:
@@ -424,5 +431,4 @@ func _process(_delta: float) -> void:
 
 ## [param unit_name] - Уникальное имя устройства[br]
 func get_unit_instance(unit_name: StringName) -> unit.Unit:
-    tools.allways(unit_name in units, 'нет такого устройства: \"%s\"' % unit_name)
-    return units[unit_name]
+    return units.get(unit_name, null)
diff --git a/scripts/sch3.gd b/scripts/sch3.gd
index baa615a..a7d3155 100644
--- a/scripts/sch3.gd
+++ b/scripts/sch3.gd
@@ -107,7 +107,7 @@ class Sch3 extends unit.Unit:
             var unit_prof = ProjectSettings.get_setting('application/config/%s' % unit_sch3.name)
             if unit_prof:
                 unit_sch3.port = unit_prof[0]
-                unit_sch3.params = unit_prof[1]
+                unit_sch3.params = unit_prof.slice(1, -1)
             step_fsm = Sch3Fsm.CONNECT
 
 
diff --git a/scripts/tools.gd b/scripts/tools.gd
index de9232c..f7b5caa 100644
--- a/scripts/tools.gd
+++ b/scripts/tools.gd
@@ -34,7 +34,6 @@ func is_overlap(x1, x2, y1, y2) -> bool: return max(x1, y1) <= min(x2, y2)
 func allways(val: bool, msg: String = '<не указано>'):
     if val: return
     push_error('%s\n' % msg)
-    get_tree().quit(Error.FAILED)
 
 
 ## Преобразует путь в виде целой строки в массив отдельных элементов пути.[br]
diff --git a/scripts/trassa.gd b/scripts/trassa.gd
index e837737..bd94b61 100644
--- a/scripts/trassa.gd
+++ b/scripts/trassa.gd
@@ -84,7 +84,6 @@ class Trassa extends unit.Unit:
                 sector_draw(json_dic)
                 emit_signal('data_received', self)
             else:
-                var msg = json_conv.get_error_message()
                 emit_signal('parse_failed', self)
         else:
             emit_signal('parse_failed', self)
@@ -110,7 +109,6 @@ class Trassa extends unit.Unit:
                     var hfb = int(data["hfb"])
                     var dap = int(data["dap"])
                     var daa = int(data["daa"])
-                    var key = str(lfb) + "_" + str(hfb)
                     for i in range(set_klaster.size()):
                         var mapping = set_klaster[i]
                         if lfb == mapping[0] and hfb == mapping[1]:
@@ -203,6 +201,7 @@ class Trassa extends unit.Unit:
         return NOINFO
 
 
+    # Отправка пакета от uarep-ctl
     func process(now_tick: int) -> int:
         if online and ((now_tick - rx_tick) > ONLINE_TIMEOUT):
             online = false
@@ -225,15 +224,15 @@ class Trassa extends unit.Unit:
     # Контрольная сумма
     func _calc_crc(data: Array) -> int:
         var acc: int = 0
-        for i in range(data.size() - 1):
+        for i in range(data.size() - 1): # кроме CRC
             if i in [0, 1]:
                 continue
             acc = (acc + (data[i] & 0xFFFFFFFF)) & 0xFFFFFFFF
         return acc
 
 
-    func on_interfer_resized(ecms_dic: Dictionary) -> void: 
-        ecms = ecms_dic
+    # Обновление всех активных помех
+    func on_interfer_resized(ecms_dic: Dictionary) -> void: ecms = ecms_dic
 
 
     func interfer_uarep() -> void:
diff --git a/shaders/tools.gdshaderinc b/shaders/tools.gdshaderinc
index 73ba730..c65ee63 100644
--- a/shaders/tools.gdshaderinc
+++ b/shaders/tools.gdshaderinc
@@ -3,10 +3,9 @@ const float DS = 0.004;                                 /* Относитель
 
 float random_timed(vec2 uv)
 {
-    return fract(sin(TIME * dot(uv.xy, vec2(12.9898, 78.233))) * 43758.5453123);
+   return fract(sin(dot(uv + TIME, vec2(12.9898, 78.233))) * 43758.5453);
 }
 
-
 float smooth_px(float r, float R, float ds)
 {
 	return 1.0 - smoothstep(R - ds, R + ds, r);