diff --git a/scenes/pribor-uyep/sch3-view.gd b/scenes/pribor-uyep/sch3-view.gd
index 69bb62b..12f03f6 100644
--- a/scenes/pribor-uyep/sch3-view.gd
+++ b/scenes/pribor-uyep/sch3-view.gd
@@ -26,10 +26,10 @@ func on_error(msg): push_error(msg)
 
 ## Вызывается, когда состояния прибора Щ3 "на связи" изменяется[br]
 ## [param unit_sch3] - Экземпляр представления прибора Щ3
-func on_line_changed_sch3(online: bool):
+func on_line_changed_sch3(unit_sch3):
     for item in get_tree().get_nodes_in_group('bits_items_good'):
         item.texture = textures[STATE_VAL.NONE]
-    if not online:
+    if not unit_sch3.online:
         for item in get_tree().get_nodes_in_group('bits_items_switch'):
             item.disabled = true
         regs_holding.clear()
diff --git a/scripts/sch3.gd b/scripts/sch3.gd
index 2fd5964..d69a2b9 100644
--- a/scripts/sch3.gd
+++ b/scripts/sch3.gd
@@ -114,7 +114,7 @@ class Sch3 extends unit.Unit:
                 if cmd_state == CmdState.WAIT:
                     cmd_state = CmdState.FAIL
                     emit_signal('command_fail', name)
-                emit_signal('line_changed', online)
+                emit_signal('line_changed', self)
                 step_fsm = Sch3Fsm.CONNECT
                 tick_fsm_delta = reconnect_period
         if (tick - tick_fsm) > tick_fsm_delta: