diff --git a/MainForm.pas b/MainForm.pas
index d1ae0a0..13fd1d0 100644
--- a/MainForm.pas
+++ b/MainForm.pas
@@ -1431,6 +1431,10 @@ begin
           else BtnMute.Caption := 'MUTE';
           BtnMute.Invalidate;
         end;
+      rfNR:  UpdateNRButton;
+      rfNB:  UpdateNBButton;
+      rfSNB: UpdateSNBButton;
+      rfANF: UpdateANFButton;
     end;
   finally
     FSyncingFromController := False;
@@ -5912,30 +5916,26 @@ end;
 
 procedure TMainForm.BtnNRClick(Sender: TObject);
 begin
-  FController.FNRMode := (FController.FNRMode + 1) mod 5;
-  UpdateNRButton;
-  if FController.FWDSPReady then FController.FDSPEngine.SetNRMode(FController.FNRMode);
+  if FSyncingFromController then Exit;
+  FController.SetNR((FController.FNRMode + 1) mod 5);
 end;
 
 procedure TMainForm.BtnNBClick(Sender: TObject);
 begin
-  FController.FNBMode := (FController.FNBMode + 1) mod 3;
-  UpdateNBButton;
-  if FController.FWDSPReady then FController.FDSPEngine.SetNBMode(FController.FNBMode);
+  if FSyncingFromController then Exit;
+  FController.SetNB((FController.FNBMode + 1) mod 3);
 end;
 
 procedure TMainForm.BtnSNBClick(Sender: TObject);
 begin
-  FController.FSNB := not FController.FSNB;
-  UpdateSNBButton;
-  if FController.FWDSPReady then FController.FDSPEngine.SetSNB(FController.FSNB);
+  if FSyncingFromController then Exit;
+  FController.SetSNB(not FController.FSNB);
 end;
 
 procedure TMainForm.BtnANFClick(Sender: TObject);
 begin
-  FController.FANF := not FController.FANF;
-  UpdateANFButton;
-  if FController.FWDSPReady then FController.FDSPEngine.SetANF(FController.FANF);
+  if FSyncingFromController then Exit;
+  FController.SetANF(not FController.FANF);
 end;
 
 
@@ -6078,11 +6078,11 @@ end;
 
 procedure TMainForm.OnVfoOverlayDSPChange(NRMode, NBMode: Integer; SNBOn, ANFOn: Boolean);
 begin
-  FController.FNRMode  := NRMode;  UpdateNRButton;
-  FController.FNBMode  := NBMode;  UpdateNBButton;
-  FController.FSNB := SNBOn;  UpdateSNBButton;
-  FController.FANF := ANFOn;  UpdateANFButton;
-  ApplyNoiseFilterButtonsToDSP;
+  // Команды контроллера применяют к DSP и через OnControllerState обновляют кнопки.
+  FController.SetNR(NRMode);
+  FController.SetNB(NBMode);
+  FController.SetSNB(SNBOn);
+  FController.SetANF(ANFOn);
 end;
 
 procedure TMainForm.OnVfoOverlayAGCChange(AGCMode: Integer);
@@ -6483,14 +6483,7 @@ end;
 
 procedure TMainForm.SyncWebNR;
 begin
-  if FWebSyncInt < 0 then FWebSyncInt := 0;
-  if FWebSyncInt > 4 then FWebSyncInt := 4;
-  if FController.FNRMode <> FWebSyncInt then
-  begin
-    FController.FNRMode := FWebSyncInt;
-    UpdateNRButton;
-    if FController.FWDSPReady then FController.FDSPEngine.SetNRMode(FController.FNRMode);
-  end;
+  FController.SetNR(FWebSyncInt);   // клампит и применяет; OnControllerState обновит кнопку
 end;
 
 // ── NB ────────────────────────────────────────────────────────────────────
@@ -6504,14 +6497,7 @@ end;
 
 procedure TMainForm.SyncWebNB;
 begin
-  if FWebSyncInt < 0 then FWebSyncInt := 0;
-  if FWebSyncInt > 2 then FWebSyncInt := 2;
-  if FController.FNBMode <> FWebSyncInt then
-  begin
-    FController.FNBMode := FWebSyncInt;
-    UpdateNBButton;
-    if FController.FWDSPReady then FController.FDSPEngine.SetNBMode(FController.FNBMode);
-  end;
+  FController.SetNB(FWebSyncInt);   // клампит и применяет; OnControllerState обновит кнопку
 end;
 
 procedure TMainForm.WebOnSNB(On_: Boolean);
@@ -6523,8 +6509,7 @@ end;
 
 procedure TMainForm.SyncWebSNB;
 begin
-  if FWebSyncBool <> (FController.FSNB) then
-    BtnSNBClick(BtnSNB);
+  FController.SetSNB(FWebSyncBool);
 end;
 
 // ── ANF ───────────────────────────────────────────────────────────────────
@@ -6538,8 +6523,7 @@ end;
 
 procedure TMainForm.SyncWebANF;
 begin
-  if FWebSyncBool <> (FController.FANF) then
-    BtnANFClick(BtnANF);
+  FController.SetANF(FWebSyncBool);
 end;
 
 // ── VFO-B freq (из веба) ─────────────────────────────────────────────────
diff --git a/RadioController.pas b/RadioController.pas
index 4be8cda..57ab600 100644
--- a/RadioController.pas
+++ b/RadioController.pas
@@ -446,16 +446,34 @@ procedure TRadioController.SetWfNF(On_: Boolean);
 begin FWfNFEnabled := On_; Changed(rfWfNF); end;
 
 procedure TRadioController.SetNR(Mode: Integer);
-begin FNRMode := Mode; Changed(rfNR); { TODO wiring: FDSPEngine.SetNRMode } end;
+begin
+  if Mode < 0 then Mode := 0 else if Mode > 4 then Mode := 4;
+  FNRMode := Mode;
+  if FWDSPReady and Assigned(FDSPEngine) then FDSPEngine.SetNRMode(FNRMode);
+  Changed(rfNR);
+end;
 
 procedure TRadioController.SetNB(Mode: Integer);
-begin FNBMode := Mode; Changed(rfNB); { TODO wiring } end;
+begin
+  if Mode < 0 then Mode := 0 else if Mode > 2 then Mode := 2;
+  FNBMode := Mode;
+  if FWDSPReady and Assigned(FDSPEngine) then FDSPEngine.SetNBMode(FNBMode);
+  Changed(rfNB);
+end;
 
 procedure TRadioController.SetSNB(On_: Boolean);
-begin FSNB := On_; Changed(rfSNB); { TODO wiring } end;
+begin
+  FSNB := On_;
+  if FWDSPReady and Assigned(FDSPEngine) then FDSPEngine.SetSNB(FSNB);
+  Changed(rfSNB);
+end;
 
 procedure TRadioController.SetANF(On_: Boolean);
-begin FANF := On_; Changed(rfANF); { TODO wiring } end;
+begin
+  FANF := On_;
+  if FWDSPReady and Assigned(FDSPEngine) then FDSPEngine.SetANF(FANF);
+  Changed(rfANF);
+end;
 
 procedure TRadioController.SetMOX(On_: Boolean);
 begin FTransmitting := On_; Changed(rfTransmitting); { TODO wiring: ApplyMOX } end;