diff --git a/mainwindow.cpp b/mainwindow.cpp
index 3dedc84..52b117f 100755
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -591,6 +591,8 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
 
     connect(myFenster02, SIGNAL(quitMyApp()), this, SLOT(close()));
 
+    HWaccess->bl_stopBL();      // 6.11.2024, to be sure about BL-status after DCdiag program start
+
 }
 
 MainWindow::~MainWindow()
@@ -959,7 +961,7 @@ void MainWindow::chainControl(void)
 
     uint16_t nextScreen=0;
     uint8_t  useNavi=0;
-    bool busy=false;
+    bool busy=false, nowBL;
     static uint32_t  offlineCtr;
 
     // call permanent functions here:
@@ -967,19 +969,14 @@ void MainWindow::chainControl(void)
     //diary->working();
     //conf->working();
 
-//qDebug()<<"mainwin chaincontrol calling mif";
-
-
-    if (HWaccess->sys_areDCdataValid()==false)
+    nowBL=myFenster12->isBLup();
+    if (HWaccess->sys_areDCdataValid()==false && !nowBL)
     {
-        qDebug()<<"mainwin: lost connection to DC "<<offlineCtr;
+        //qDebug()<<"mainwin: lost connection to DC "<<offlineCtr;
         offlineCtr++;
     }
 
 
-
-
-
     // working step chain:
     if (chainCurrentStep != chainNextStep)
     {
@@ -1009,7 +1006,7 @@ void MainWindow::chainControl(void)
         if (chain_stepIni)
             busy=myFenster02->work_ini(&nextScreen, &useNavi);
         else
-            busy=myFenster02->working(&nextScreen, &useNavi);
+            busy=myFenster02->working(&nextScreen, &useNavi, nowBL);
     } else
     if (chainCurrentStep==3)
     {
@@ -1271,5 +1268,7 @@ void MainWindow::vendingTimeout(void)
     timerVendingTimeout->stop();
 }
 
-
-
+bool MainWindow::BLisRunning()
+{
+    return myFenster12->isBLup();
+}
diff --git a/mainwindow.h b/mainwindow.h
index c016b7d..95d9992 100755
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -147,6 +147,7 @@ public:
 #define FORWBUTTON  3
     void enableNaviButtons(uint8_t buttonNr, bool enabled);
     void enableNaviButtons(uint8_t switchBitwise);
+    bool BLisRunning();
 
 private slots:
     void chainControl();
diff --git a/stepList.h b/stepList.h
index 6c71b5e..f48d458 100755
--- a/stepList.h
+++ b/stepList.h
@@ -35,8 +35,9 @@
 #define     PAGE_NEXT20             20
 
 //          fix:                customize:
-//#define     WCS_STARTSCREEN     PAGE_COMPORT     // if APservice uses masterLib
-#define     WCS_STARTSCREEN     PAGE_SERVICEMAIN  // if APservice uses slaveLib
+//#define     WCS_STARTSCREEN     PAGE_COMPORT
+//#define     WCS_STARTSCREEN     PAGE_NEXT16
+#define     WCS_STARTSCREEN     PAGE_SERVICEMAIN
 
 // PAGE_COMPORT:
 #define     WCS_WIN01BAK    PAGE_COMPORT
@@ -44,6 +45,7 @@
 #define     WCS_WIN01FWD    PAGE_SERVICEMAIN
 
 // PAGE_SERVICEMAIN:
+//#define     WCS_WIN02BAK    PAGE_NEXT16
 #define     WCS_WIN02BAK    PAGE_BOOTLOADER
 #define     WCS_WIN02MID    PAGE_SERVICEMAIN
 #define     WCS_WIN02FWD    PAGE_TIMEDATEVERSION
@@ -170,8 +172,8 @@
 #define     WCS_WIN02SHORT08    PAGE_VAULTRECORD
 #define     WIN02_LABEL_SHORT09     "Program"
 #define     WCS_WIN02SHORT09    PAGE_PROG_JSON
-#define     WIN02_LABEL_SHORT10     "      "
-#define     WCS_WIN02SHORT10    PAGE_SERVICEMAIN
+#define     WIN02_LABEL_SHORT10     "  B L  "
+#define     WCS_WIN02SHORT10    PAGE_BOOTLOADER
 
 
 
diff --git a/win02_home.cpp b/win02_home.cpp
index 3b813a7..de3cd38 100755
--- a/win02_home.cpp
+++ b/win02_home.cpp
@@ -360,7 +360,7 @@ bool T_win02::work_ini(uint16_t *nextScreen, uint8_t *useNavi)
 }
 
 
-bool T_win02::working(uint16_t *nextScreen, uint8_t *useNavi)
+bool T_win02::working(uint16_t *nextScreen, uint8_t *useNavi, bool isBLup)
 {
     // one state of the vending/operating FSM
     // called cyclic until this state changes intentionally to another state
@@ -395,6 +395,13 @@ bool T_win02::working(uint16_t *nextScreen, uint8_t *useNavi)
     tmpStr.clear();
 
     // update values:
+    if (HWaccess->bl_isUp()==1)
+    //if (isBLup)
+    {
+        labState->setText(" DC2 Bootloader");
+        labState->setStyleSheet(COLOR_RED);
+
+    } else
     if (HWaccess->sys_areDCdataValid())
     {
         labState->setText(" DC2 connected "); // datenverkehr läuft
@@ -431,8 +438,6 @@ bool T_win02::working(uint16_t *nextScreen, uint8_t *useNavi)
     }
     labLoc2->setText(myStr);
 
-
-
     if (cunu>0 && manu>0)
     {
         myStr.clear();
diff --git a/win02_home.h b/win02_home.h
index 107adc2..5972fe2 100755
--- a/win02_home.h
+++ b/win02_home.h
@@ -90,7 +90,7 @@ public:
         // bit0,1: enable/disable button "next"
         // bit2,3: enable/disable button "home"
         // bit4,5: enable/disable button "back"
-    bool working (uint16_t *nextScreen, uint8_t *useNavi);
+    bool working (uint16_t *nextScreen, uint8_t *useNavi, bool isBLup);
     ~T_win02();
 
 private slots:
diff --git a/win04_stat.cpp b/win04_stat.cpp
index c441549..e0b3fff 100755
--- a/win04_stat.cpp
+++ b/win04_stat.cpp
@@ -18,6 +18,7 @@ T_win04::T_win04(hwinf *HWaccess, QWidget *parent) : QWidget(parent)
     myTabFont.setPixelSize(PIXELSIZE_BUTTONS);
     pb_refresh = new QPushButton("Refresh");
     pb_refresh->setFont(myTabFont);
+    pb_refresh->setStyleSheet("background-color: rgb(250,150,150)");  // hell rot
     myLayout->addWidget(pb_refresh,1,1);
     connect(pb_refresh, SIGNAL(clicked()), this, SLOT(ButtonRefreshClicked()));
 
@@ -99,6 +100,7 @@ void T_win04::Nav_next(void)
 void T_win04::ButtonRefreshClicked(void)
 {
     win04_dataAreValid=0;
+    pb_refresh->setStyleSheet("background-color: white");
 }
 
 bool T_win04::work_ini(uint16_t *nextScreen, uint8_t *useNavi)
@@ -175,6 +177,27 @@ bool T_win04::working(uint16_t *nextScreen, uint8_t *useNavi)
     struct T_dynamicCondition myDynMachCond;
     struct T_devices devPara;     // used devices
 
+    // neu, 24.7.24
+    static bool win04_dcDataAreValid;
+    bool bget;
+
+    bget=HWaccess->sys_areDCdataValid();
+    if (bget && !win04_dcDataAreValid)
+    {
+        // DC soeben ANgesteckt
+        win04_dcDataAreValid=true;
+        win04_dataAreValid=0;
+            // genau jetzt die Geräte Stati einlesen, scheinen nicht immer aktuell zu sein
+        pb_refresh->setStyleSheet("background-color: rgb(150,230,150)");  // hell grün
+    }
+    if (!bget && win04_dcDataAreValid)
+    {
+        // DC soeben ABgesteckt
+        win04_dcDataAreValid=false;
+        win04_dataAreValid=0;
+        pb_refresh->setStyleSheet("background-color: rgb(250,150,150)");  // hell rot
+    }
+
     HWaccess->sys_restoreDeviceParameter(&devPara);
 
     if (!win04_dataAreValid)
diff --git a/win09_gsm.cpp b/win09_gsm.cpp
index 0b8f61f..ab72e09 100755
--- a/win09_gsm.cpp
+++ b/win09_gsm.cpp
@@ -114,6 +114,37 @@ T_win09::T_win09(hwinf *HWaccess, QWidget *parent) : QWidget(parent)
     connect(pbCreditWake, SIGNAL(clicked()), this, SLOT(slot_startTest()));
 */
 
+/*
+    pbTest1 = new QPushButton("PTU up");
+    pbTest1->setCheckable(false);      // true = toggle button
+    pbTest1->setFont(myTabFont);
+    pbTest1->setStyleSheet("background-color: yellow");
+    myLayout->addWidget(pbTest1, 5, 0);
+    connect(pbTest1, SIGNAL(clicked()), this, SLOT(slot_pbTest1()));
+
+    pbTest2 = new QPushButton("PTU dn");
+    pbTest2->setCheckable(false);      // true = toggle button
+    pbTest2->setFont(myTabFont);
+    pbTest2->setStyleSheet("background-color: yellow");
+    myLayout->addWidget(pbTest2, 6, 0);
+    connect(pbTest2, SIGNAL(clicked()), this, SLOT(slot_pbTest2()));
+
+    pbTest3 = new QPushButton("DC  up");
+    pbTest3->setCheckable(false);      // true = toggle button
+    pbTest3->setFont(myTabFont);
+    pbTest3->setStyleSheet("background-color: yellow");
+    myLayout->addWidget(pbTest3, 7, 0);
+    connect(pbTest3, SIGNAL(clicked()), this, SLOT(slot_pbTest3()));
+
+    pbTest4 = new QPushButton("DC  dn");
+    pbTest4->setCheckable(false);      // true = toggle button
+    pbTest4->setFont(myTabFont);
+    pbTest4->setStyleSheet("background-color: yellow");
+    myLayout->addWidget(pbTest4, 8, 0);
+    connect(pbTest4, SIGNAL(clicked()), this, SLOT(slot_pbTest4()));
+*/
+
+
     setLayout(myLayout);
     myNextStep=0;
     myStep=0;
@@ -210,6 +241,33 @@ void T_win09::slot_startTest(void)
     HWaccess->sys_runCompleteTest();
 }
 
+// 8.10.2024 new, control power up/down
+/*
+void slot_pbTest1(void)
+{
+    HWaccess->prepareForPowerDown();
+
+}
+
+void slot_pbTest2(void)
+{
+    HWaccess->justReactivated();
+
+}
+
+void slot_pbTest3(void)
+{
+    HWaccess->dcNotActive();
+
+}
+
+void slot_pbTest4(void)
+{
+    HWaccess->dcIsActive();
+
+}
+*/
+
 
 
 
diff --git a/win09_gsm.h b/win09_gsm.h
index 378c046..b99fa84 100755
--- a/win09_gsm.h
+++ b/win09_gsm.h
@@ -37,6 +37,7 @@ class T_win09 : public QWidget
     QPushButton *pbModemPwr, *pbModemWake, *pbCreditPwr, *pbCreditWake, *pbModemRes;
     QLabel *showModemCondition;
 
+    //QPushButton *pbTest1, *pbTest2, *pbTest3, *pbTest4;
 
 public:
     explicit T_win09(hwinf *HWaccess = nullptr, QWidget *parent = nullptr);
@@ -58,6 +59,12 @@ public slots:
     void slot_CreditWake(void);
     void slot_startTest(void);
     void slot_ModemRes(void);
+//    void slot_pbTest1(void);
+//    void slot_pbTest2(void);
+//    void slot_pbTest3(void);
+//    void slot_pbTest4(void);
+
+
 
 };
 
diff --git a/win12_BL.cpp b/win12_BL.cpp
index a0c06c8..e6db02b 100755
--- a/win12_BL.cpp
+++ b/win12_BL.cpp
@@ -44,11 +44,11 @@ T_win12::T_win12(hwinf *HWaccess, QWidget *parent) : QWidget(parent)
     // linke Spalte: controls
     QLabel *lab7 = new QLabel(" ");
     lab7->setFont(myTabFont);
-    myVlayer_left->addWidget(lab7);
+    myVlayer_right->addWidget(lab7);
 
     but9 = new QPushButton("Starting \nBootloader");
-    myVlayer_left->addWidget(but9);
-    connect(but9, SIGNAL(clicked()), this, SLOT(slot_b9()));
+    myVlayer_right->addWidget(but9);
+    connect(but9, SIGNAL(clicked()), this, SLOT(slot_startCompleteBL()));
     but9->setStyleSheet(BUTTONCOLOR0);
     but9->setFont(myTabFont);
 
@@ -57,8 +57,8 @@ T_win12::T_win12(hwinf *HWaccess, QWidget *parent) : QWidget(parent)
     myH0layer->addWidget(lab3);
 
     but4 = new QPushButton("load Bin-File");
-    myVlayer_left->addWidget(but4);
-    connect(but4, SIGNAL(clicked()), this, SLOT(slot_b4()));
+    myVlayer_right->addWidget(but4);
+    connect(but4, SIGNAL(clicked()), this, SLOT(slot_loadBin()));
     but4->setStyleSheet(BUTTONCOLOR0);
     but4->setFont(myTabFont);
 
@@ -67,8 +67,8 @@ T_win12::T_win12(hwinf *HWaccess, QWidget *parent) : QWidget(parent)
     myH0layer->addWidget(lab4);
 
     but5 = new QPushButton(" send file to DC");
-    myVlayer_left->addWidget(but5);
-    connect(but5, SIGNAL(clicked()), this, SLOT(slot_b5()));
+    myVlayer_right->addWidget(but5);
+    connect(but5, SIGNAL(clicked()), this, SLOT(slot_sendBin()));
     but5->setStyleSheet(BUTTONCOLOR0);
     but5->setFont(myTabFont);
 
@@ -76,49 +76,22 @@ T_win12::T_win12(hwinf *HWaccess, QWidget *parent) : QWidget(parent)
     lab5->setFont(myTabFont);
     myH0layer->addWidget(lab5);
 
-/*
-    but6 = new QPushButton(" ");
-    myVlayer_left->addWidget(but6);
-    connect(but6, SIGNAL(clicked()), this, SLOT(slot_b6()));
-    but6->setStyleSheet(BUTTONCOLOR0);
-    but6->setFont(myTabFont);
-
-    but7 = new QPushButton(" ");
-    myVlayer_left->addWidget(but7);
-    connect(but7, SIGNAL(clicked()), this, SLOT(slot_b7()));
-    but7->setStyleSheet(BUTTONCOLOR0);
-    but7->setFont(myTabFont);
-
-    but8 = new QPushButton(" ");
-    myVlayer_left->addWidget(but8);
-    connect(but8, SIGNAL(clicked()), this, SLOT(slot_b8()));
-    but8->setStyleSheet(BUTTONCOLOR0);
-    but8->setFont(myTabFont);
-*/
-/*
-    but9 = new QPushButton("complete start");
-    myVlayer_left->addWidget(but9);
-    connect(but9, SIGNAL(clicked()), this, SLOT(slot_b9()));
-    but9->setStyleSheet(BUTTONCOLOR0);
-    but9->setFont(myTabFont);
-*/
-
     myTabFont.setPixelSize(14);
-    but1 = new QPushButton("restart DC: ");
-    myVlayer_left->addWidget(but1);
-    connect(but1, SIGNAL(clicked()), this, SLOT(slot_b1()));
+    but1 = new QPushButton("restart DC: \n");
+    myVlayer_right->addWidget(but1);
+    connect(but1, SIGNAL(clicked()), this, SLOT(slot_restart()));
     but1->setStyleSheet(BUTTONCOLOR0);
     but1->setFont(myTabFont);
 
-    but2 = new QPushButton("Start BL: ");
-    myVlayer_left->addWidget(but2);
-    connect(but2, SIGNAL(clicked()), this, SLOT(slot_b2()));
+    but2 = new QPushButton("Start BL: \n");
+    myVlayer_right->addWidget(but2);
+    connect(but2, SIGNAL(clicked()), this, SLOT(slot_startBl()));
     but2->setStyleSheet(BUTTONCOLOR0);
     but2->setFont(myTabFont);
 
-    but3 = new QPushButton("check BL: ");
-    myVlayer_left->addWidget(but3);
-    connect(but3, SIGNAL(clicked()), this, SLOT(slot_b3()));
+    but3 = new QPushButton("check BL: \n");
+    myVlayer_right->addWidget(but3);
+    connect(but3, SIGNAL(clicked()), this, SLOT(slot_checkBl()));
     but3->setStyleSheet(BUTTONCOLOR0);
     but3->setFont(myTabFont);
 
@@ -128,8 +101,8 @@ T_win12::T_win12(hwinf *HWaccess, QWidget *parent) : QWidget(parent)
 
     myTabFont.setPixelSize(22);
     but10 = new QPushButton("stop BL: ");
-    myVlayer_left->addWidget(but10);
-    connect(but10, SIGNAL(clicked()), this, SLOT(slot_b10()));
+    myVlayer_right->addWidget(but10);
+    connect(but10, SIGNAL(clicked()), this, SLOT(slot_stopBL()));
     but10->setStyleSheet(BUTTONCOLOR0);
     but10->setFont(myTabFont);
 
@@ -156,9 +129,10 @@ T_win12::T_win12(hwinf *HWaccess, QWidget *parent) : QWidget(parent)
     myTO->setSingleShot(true);
     myTO->start(2);
     trigger_BLstartup=false;
-    win12_startProgramming=0;
+    win12_startProgramming=false;
     win12_nrOfFWblocks=0;
     win12_currentBlkNr=0;
+    APservBLisUp=false;
 }
 
 T_win12::~T_win12()
@@ -179,20 +153,29 @@ void T_win12::Nav_next(void)
     myNextStep=WCS_WIN12FWD;
 }
 
-void T_win12::slot_b1(void)
+void T_win12::slot_startCompleteBL(void)
+{
+    // replaces the next three single steps restart_DC, start_BL and check_BL
+    showState->setText(" starting bootloader... ");
+    showFile->setText(" ");
+    HWaccess->bl_completeStart();
+}
+
+// single steps from former version:
+void T_win12::slot_restart(void)
 {    
     showProgress->append(" rebooting");
     HWaccess->dc_autoRequest(false);
     HWaccess->bl_rebootDC();
 }
 
-void T_win12::slot_b2(void)
+void T_win12::slot_startBl(void)
 {
     HWaccess->dc_autoRequest(false);
     HWaccess->bl_startBL();
 }
 
-void T_win12::slot_b3(void)
+void T_win12::slot_checkBl(void)
 {
     HWaccess->dc_autoRequest(false);
     showState->setText("                      ");
@@ -202,17 +185,24 @@ void T_win12::slot_b3(void)
     myStep=20;
 }
 
-void T_win12::slot_b4(void)
+void T_win12::slot_loadBin(void)
 {
     QString myStr;
     QString fileName;
 
     win12_nrOfFWblocks=0;
     fileName.clear();
+
+    // bin file im selben folder wie in PTU5: /etc/dc/
     fileName = QFileDialog::getOpenFileName(this, ("Select DC firmware file:"),
-                                            "C:/own/work2023/PSA1256ptu5/PTU SW",
+                                            "/etc/dc",
                                             ("binary file(*.bin)"));
 
+    // Jsons im selben folder wie in PTU5: /etc/psa_config
+    //fileName = QFileDialog::getOpenFileName(this, ("Select JSON file:"),
+    //                                        "/etc/psa_config",
+    //                                        ("binary file(*.json)"));
+
     //qDebug()<<"T_win12: selected file: "<<fileName;
     bool ret=HWaccess->bl_storeFirmware(fileName);
     win12_nrOfFWblocks = HWaccess->bl_getNrOfFirmwareBlocks();
@@ -229,42 +219,27 @@ void T_win12::slot_b4(void)
         showFile->setText(" cannot load file :-( ");
 }
 
-void T_win12::slot_b5(void)
+
+void T_win12::slot_sendBin(void)
 {
     win12_startProgramming=true;
+    showProgress->clear();
     myStep=5;
 }
 
-void T_win12::slot_b6(void)
-{
-}
 
-void T_win12::slot_b7(void)
-{
-}
-
-void T_win12::slot_b8(void)
-{
-}
-
-void T_win12::slot_b9(void)
-{
-    showState->setText(" Bootloader is   off  ");
-    showFile->setText(" ");
-
-    //trigger_BLstartup=true;
-    //myStep=0;
-
-    // neu, 29.9: Start-Schrittkette jetzt in HWapi:
-    HWaccess->bl_completeStart();
-}
-
-void T_win12::slot_b10(void)
+void T_win12::slot_stopBL(void)
 {
     showState->setText(" Bootloader is   off  ");
     showFile->setText(" ");
     HWaccess->bl_stopBL();
     HWaccess->dc_autoRequest(true);
+    APservBLisUp=false;
+}
+
+bool T_win12::isBLup()
+{
+    return  APservBLisUp;
 }
 
 bool T_win12::work_ini(uint16_t *nextScreen, uint8_t *useNavi)
@@ -295,98 +270,17 @@ bool T_win12::working(uint16_t *nextScreen, uint8_t *useNavi)
 
     *nextScreen=0;   // 0=no change
     *useNavi=0;
-    //int8_t  iresult;
+    int8_t  iresult;
 
-    if (HWaccess->bl_isUp())
+    if (HWaccess->bl_isUp()==1)
+        APservBLisUp=true;
+
+    if (APservBLisUp)
         showState->setText(" Bootloader is running");
+    else
+        showState->setText("       -  -  -        ");
 
 
-/*
-    if (myStep==0)
-    {
-
-        if (trigger_BLstartup)
-        {
-            HWaccess->dc_autoRequest(false);
-            myStep++;
-        }
-
-    } else
-
-    if (myStep==1)
-    {
-        //qDebug()<<"win12 chain step 1";
-        if (trigger_BLstartup)
-        {
-            //qDebug()<<"starting up BL step1";
-            trigger_BLstartup=false;
-            HWaccess->bl_rebootDC();
-            myTO->stop();
-            myTO->start(1000);     // restart
-            retryCtr=0;
-            myStep++;
-            //qDebug()<<"win12 chain step 2";
-        }
-    } else
-
-    if (myStep==2)
-    {
-        if (!myTO->isActive())
-        {
-            qDebug()<<"starting BL";
-            HWaccess->bl_startBL();
-            myTO->stop();
-            myTO->start(100);
-            myStep++;
-            //qDebug()<<"win12 chain step 3";
-        }
-    } else
-
-    if (myStep==3)
-    {
-        if (!myTO->isActive())
-        {
-            HWaccess->bl_checkBL();
-            myTO->stop();
-            myTO->start(100);
-            myStep++;
-            //qDebug()<<"win12 chain step 4";
-        }
-
-    } else
-
-    if (myStep==4)
-    {
-        if (!myTO->isActive())
-        {
-            //qDebug()<<"starting up BL step4";
-            myTO->stop();
-            if (HWaccess->bl_isUp())
-            {
-                myStep++;
-                //qDebug()<<"win12 chain step 5";
-                showState->setText(" --- BL is up and running ---");
-                //qDebug()<<"BL laeuft!!!";
-            } else
-            {
-
-                retryCtr++;    // start again
-                if (retryCtr>=15)
-                {
-                    myStep=99;
-                    //qDebug()<<"win12 chain step 99";
-                    showState->setText(" --- BL error! ---");
-                    //qDebug()<<"BL error!!!";
-                } else
-                {
-                    myStep=3;
-                    //qDebug()<<"BL retry...";
-                    //qDebug()<<"win12 chain step 3";
-                }
-            }
-        }
-    } else
-
     if (myStep==5)
     {
         if (win12_startProgramming)
@@ -405,17 +299,26 @@ bool T_win12::working(uint16_t *nextScreen, uint8_t *useNavi)
 
     if (myStep==6)
     {
-        //qDebug()<<"starting transfer";
+
+        // -------------------------------------------------------------------
         HWaccess->bl_blockAutoLoad(win12_currentBlkNr);
-        showProgress->append(swl_int2str(win12_currentBlkNr));
+        // -------------------------------------------------------------------
+        //if (win12_currentBlkNr%10==0)       // nur jeden 10. Block anzeigen
+                                              // geht auch nicht schneller
+            showProgress->append(swl_int2str(win12_currentBlkNr));
         myStep++;
         //qDebug()<<"win12 chain step 6->7";
     } else
 
     if (myStep==7)
     {
+
+        // -------------------------------------------------------------------
         iresult=HWaccess->bl_blockAutoResponse();
             // 0: wait     1: OK, blk was sent      2: OK, transfer complete       3: error
+        // -------------------------------------------------------------------
+
+
         if (iresult==1)
         {
             win12_currentBlkNr++;
@@ -452,7 +355,7 @@ bool T_win12::working(uint16_t *nextScreen, uint8_t *useNavi)
     {
 
     }
-
+/*
     if (myStep==20)
     {
         if (!myTO->isActive())
diff --git a/win12_BL.h b/win12_BL.h
index ba21a56..23e8296 100755
--- a/win12_BL.h
+++ b/win12_BL.h
@@ -50,6 +50,7 @@ class T_win12 : public QWidget
     bool trigger_BLstartup;
     int  retryCtr;
     QTextEdit *showProgress;
+    bool APservBLisUp;
 
 public:
     explicit T_win12(hwinf *HWaccess = nullptr, QWidget *parent = nullptr);
@@ -61,21 +62,21 @@ public:
     bool working (uint16_t *nextScreen, uint8_t *useNavi);
     ~T_win12();
 
+    bool isBLup();
+
+
 public slots:
     void Nav_back(void);
     void Nav_home(void);
     void Nav_next(void);
 
-    void slot_b1(void);
-    void slot_b2(void);
-    void slot_b3(void);
-    void slot_b4(void);
-    void slot_b5(void);
-    void slot_b6(void);
-    void slot_b7(void);
-    void slot_b8(void);
-    void slot_b9(void);
-    void slot_b10(void);
+    void slot_restart(void);
+    void slot_startBl(void);
+    void slot_checkBl(void);
+    void slot_startCompleteBL(void);
+    void slot_sendBin(void);
+    void slot_loadBin(void);
+    void slot_stopBL(void);
 
 };