diff --git a/icons/Password.bmp b/icons/Password.bmp
new file mode 100644
index 0000000..cf127d7
Binary files /dev/null and b/icons/Password.bmp differ
diff --git a/src/OLED/MenuSelScreen.cpp b/src/OLED/MenuSelScreen.cpp
index 913bdb5..b308888 100644
--- a/src/OLED/MenuSelScreen.cpp
+++ b/src/OLED/MenuSelScreen.cpp
@@ -36,6 +36,7 @@ CMenuSelScreen::onSelect()
   CScreenHeader::onSelect();
   _rowSel = 0;
   _menuMode = NVstore.getUserSettings().menuMode;
+  _holdPW = NVstore.getUserSettings().holdPassword;
   _scrollChar = 0;
   _bReload = false;
 }
@@ -63,15 +64,23 @@ CMenuSelScreen::show()
       _showConfirmMessage();
     }
     else {
-      _showTitle("Menu Mode");
+      _showTitle("Menu Options");
       
-      _drawBitmap(30, 16, MenuIconInfo);
+      _drawBitmap(25, 16, MenuIconInfo);
       switch(_menuMode) {
         case 0: strcpy(msg, "Standard"); break;
         case 1: strcpy(msg, "Basic"); break;
         case 2: strcpy(msg, "No heater"); break;
       }
-      _printMenuText(50, 16, msg, _rowSel == 1);
+      _printMenuText(45, 16, msg, _rowSel == 2);
+
+      _drawBitmap(25, 28, passwordIconInfo);
+      if(_holdPW) 
+        strcpy(msg, "Retain 24hrs"); 
+      else
+        strcpy(msg, "Forget"); 
+      _printMenuText(45, 30, msg, _rowSel == 1);
+
     }
   }
   return true;
@@ -87,20 +96,28 @@ CMenuSelScreen::animate()
     }
     if(_rowSel != SaveConfirm) {
       const char* pMsg = NULL;
-      switch(_menuMode) {
+      switch(_rowSel) {
         case 0:
-          pMsg = "                    Standard, complete menu allows full access to features.                    ";
-          break;
-        case 1:
-          pMsg = "                    Basic simplified menu.                    ";
+          _printMenuText(_display.xCentre(), 52, " \021  \030Edit  Exit   \020 ", true, eCentreJustify);
           break;
         case 2:
-          pMsg = "                    No heater mode.                    ";
+          switch(_menuMode) {
+            case 0: pMsg = "                    Standard, complete menu allows full access to features.                    "; break;
+            case 1: pMsg = "                    Basic simplified menu.                    "; break;
+            case 2: pMsg = "                    No heater mode.                    "; break;
+          }
+          break;
+        case 1:
+          if(_holdPW)
+            pMsg = "                    Retain password for 24 hours after correct entry.                    ";
+          else
+            pMsg = "                    Forget password after each entry.                    ";
           break;
       }
-      _display.drawFastHLine(0, 52, 128, WHITE);
-      if(pMsg != NULL)
+      if(pMsg != NULL) {
+        _display.drawFastHLine(0, 52, 128, WHITE);
         _scrollMessage(56, pMsg, _scrollChar);
+      }
       return true;
     }
   }
@@ -127,6 +144,7 @@ CMenuSelScreen::keyHandler(uint8_t event)
           _enableStoringMessage();
           us = NVstore.getUserSettings();
           us.menuMode = _menuMode;
+          us.holdPassword = _holdPW;
           NVstore.setUserSettings(us);
           NVstore.save();
           switch(us.menuMode) {
@@ -134,11 +152,21 @@ CMenuSelScreen::keyHandler(uint8_t event)
             case 1: DebugPort.println("Invoking Basic menu mode"); break;
             case 2: DebugPort.println("Invoking No Heater menu mode"); break;
           }
+          _holdPassword();
           _bReload = true;
           _rowSel = 0;
         }
         else {
-          _getPassword();
+          if(_rowSel == 0) {
+            _getPassword();
+            if(_isPasswordOK()) {
+              _rowSel = 1;
+            }
+          }
+          else {
+            _rowSel++;
+            UPPERLIMIT(_rowSel, 2);
+          }
         }
       }
       // DOWN press
@@ -182,6 +210,9 @@ CMenuSelScreen::adjust(int dir)
 {
   switch(_rowSel) {
     case 1:
+      _holdPW = _holdPW ? 0 : 1;
+      break;
+    case 2:
       _menuMode += dir;
       WRAPLIMITS(_menuMode, 0, 2);
       break;
diff --git a/src/OLED/MenuSelScreen.h b/src/OLED/MenuSelScreen.h
index 222cb80..feafe40 100644
--- a/src/OLED/MenuSelScreen.h
+++ b/src/OLED/MenuSelScreen.h
@@ -34,6 +34,7 @@ class CMenuSelScreen : public CPasswordScreen
   int _rowSel;
   int _scrollChar;
   int _menuMode;
+  uint8_t _holdPW;
   bool _bReload;
   void _initUI();
 public:
diff --git a/src/OLED/PasswordScreen.cpp b/src/OLED/PasswordScreen.cpp
index 30a1053..3270592 100644
--- a/src/OLED/PasswordScreen.cpp
+++ b/src/OLED/PasswordScreen.cpp
@@ -31,8 +31,10 @@
 #include "PasswordScreen.h"
 #include "KeyPad.h"
 #include "../Utility/macros.h"
+#include "../Utility/NVStorage.h"
 #include "fonts/Arial.h"
 
+long CPasswordScreen::__Expiry = 0;
 
 CPasswordScreen::CPasswordScreen(C128x64_OLED& display, CScreenManager& mgr) : CScreenHeader(display, mgr) 
 {
@@ -47,16 +49,33 @@ CPasswordScreen::onSelect()
 }
 
 void
-CPasswordScreen::_initUI()
+CPasswordScreen::__initPassword(bool get)
 {
-  _bGetPassword = false;
+  _bGetPassword = get;
   _bPasswordOK = false;
+  _bPasswordOK |= __Expiry != 0;
   _PWcol = 0;
+  // reset PW digits
   for(int i= 0; i < 4; i++) 
     _PWdig[i] = -1;
+}
+
+void
+CPasswordScreen::_initUI()
+{
+  __initPassword(false);
+
   _SaveTime = 0;
 }
 
+void 
+CPasswordScreen::_getPassword()
+{
+  __initPassword(true);
+    
+  _ScreenManager.reqUpdate();
+}
+
 bool 
 CPasswordScreen::show()
 {
@@ -68,17 +87,13 @@ CPasswordScreen::show()
     return true;
   }
   else if(_bGetPassword) {
-    _display.clearDisplay();
-/*    {
-      CTransientFont AF(_display, &arial_8ptBoldFontInfo);
-      _printMenuText(_display.xCentre(), 32, "Enter password...", false, eCentreJustify);
-    }*/
-    _showPassword();
-    return true;
-  }
-  else {
-    return false;
+    if(!_bPasswordOK) {
+      _display.clearDisplay();
+      _showPassword();
+      return true;
+    }
   }
+  return false;
 }
 
 bool 
@@ -100,10 +115,25 @@ CPasswordScreen::_busy()
   return _SaveTime != 0;
 }
 
+void
+CPasswordScreen::_holdPassword()
+{
+  if(NVstore.getUserSettings().holdPassword)
+    __Expiry = millis() + 24 * 60 * 60 * 1000;  // 24 hours 
+  else 
+    __Expiry = 0;
+}
+
 bool 
 CPasswordScreen::keyHandler(uint8_t event)
 {
   if(_bGetPassword) {
+
+    if(_bPasswordOK) {
+      _bGetPassword = false;
+      return true;
+    }
+
     if(event & keyPressed) {
 
       // press CENTRE
@@ -114,6 +144,7 @@ CPasswordScreen::keyHandler(uint8_t event)
            (_PWdig[2] == 8) && 
            (_PWdig[3] == 8)) {
           _bPasswordOK = true;
+          _holdPassword();
         }
 
         _bGetPassword = false;
@@ -186,19 +217,6 @@ CPasswordScreen::_showPassword()
   return _bGetPassword;
 }
 
-void 
-CPasswordScreen::_getPassword()
-{
-  _bGetPassword = true;
-  _bPasswordOK = false;
-  _PWcol = 0;
-  // reset PW digits
-  for(int i= 0; i < 4; i++) 
-    _PWdig[i] = -1;
-    
-  _ScreenManager.reqUpdate();
-}
-
 void 
 CPasswordScreen::_enableStoringMessage()
 {
@@ -207,3 +225,14 @@ CPasswordScreen::_enableStoringMessage()
 }
 
 
+bool CPasswordScreen::_isPasswordOK() 
+{ 
+  if(__Expiry) {
+    long tDelta = millis() - __Expiry;
+    if(tDelta > 0) {
+      __Expiry = 0;
+      _bPasswordOK = false; 
+    }
+  }
+  return __Expiry != 0 || _bPasswordOK; 
+};
diff --git a/src/OLED/PasswordScreen.h b/src/OLED/PasswordScreen.h
index 465d946..5301cb7 100644
--- a/src/OLED/PasswordScreen.h
+++ b/src/OLED/PasswordScreen.h
@@ -33,10 +33,13 @@ class CPasswordScreen : public CScreenHeader {
   bool _bPasswordOK;
   int  _PWcol;
   unsigned long _SaveTime;
+  static long __Expiry;
+  void __initPassword(bool get);
 protected:
   bool _showPassword();
+  void _holdPassword();
   void _getPassword();
-  bool _isPasswordOK() { return _bPasswordOK; };
+  bool _isPasswordOK();
   void _enableStoringMessage();
   void _initUI();
   bool _busy();
diff --git a/src/OLED/fonts/Icons.cpp b/src/OLED/fonts/Icons.cpp
index d854308..db61ff3 100644
--- a/src/OLED/fonts/Icons.cpp
+++ b/src/OLED/fonts/Icons.cpp
@@ -1345,3 +1345,31 @@ const uint8_t PROGMEM userBitmap[]  =
 const BITMAP_INFO UserIconInfo(8, 9, userBitmap);
 
 
+// 
+//  Image data for password
+// 
+
+const uint8_t PROGMEM passwordIcon[]  =
+{
+	0x0E, 0x00, //     ###    
+	0x1B, 0x00, //    ## ##   
+	0x11, 0x00, //    #   #   
+	0x11, 0x00, //    #   #   
+	0x7F, 0xC0, //  ######### 
+	0x71, 0xC0, //  ###   ### 
+	0x71, 0xC0, //  ###   ### 
+	0x7B, 0xC0, //  #### #### 
+	0x7B, 0xC0, //  #### #### 
+	0x7F, 0xC0, //  ######### 
+	0x00, 0x00, //            
+	0xEE, 0xE0, // ### ### ###
+	0xAA, 0xA0, // # # # # # #
+	0x22, 0x20, //   #   #   #
+	0x44, 0x40, //  #   #   # 
+	0x00, 0x00, //            
+	0x44, 0x40, //  #   #   # 
+};
+
+const BITMAP_INFO passwordIconInfo(11, 17, passwordIcon);
+
+
diff --git a/src/OLED/fonts/Icons.h b/src/OLED/fonts/Icons.h
index c6c7025..cb36e00 100644
--- a/src/OLED/fonts/Icons.h
+++ b/src/OLED/fonts/Icons.h
@@ -156,3 +156,5 @@ extern const BITMAP_INFO OutputIconInfo;
 extern const BITMAP_INFO _1IconInfo;
 extern const BITMAP_INFO _2IconInfo;
 extern const BITMAP_INFO algIconInfo;
+
+extern const BITMAP_INFO passwordIconInfo;
diff --git a/src/Utility/NVStorage.cpp b/src/Utility/NVStorage.cpp
index 8d00794..568a569 100644
--- a/src/Utility/NVStorage.cpp
+++ b/src/Utility/NVStorage.cpp
@@ -388,6 +388,7 @@ sUserSettings::load()
   validatedLoad("JSONpad", JSON.padding, 0, u8inBounds, 0, 1);
   validatedLoad("menuMode", menuMode, 0, u8inBounds, 0, 2);
   validatedLoad("Clock12hr", clock12hr, 0, u8inBounds, 0, 1);
+  validatedLoad("holdPassword", holdPassword, 0, u8inBounds, 0, 1);
   preferences.end();    
 }
 
@@ -421,6 +422,7 @@ sUserSettings::save()
   preferences.putUChar("JSONpad", JSON.padding);
   preferences.putUChar("menuMode", menuMode);
   preferences.putUChar("Clock12hr", clock12hr);
+  preferences.putUChar("holdPassword", holdPassword);
   preferences.end();    
 }
 
diff --git a/src/Utility/NVStorage.h b/src/Utility/NVStorage.h
index dea2580..b2ec950 100644
--- a/src/Utility/NVStorage.h
+++ b/src/Utility/NVStorage.h
@@ -266,6 +266,7 @@ struct sUserSettings : public CESP32_NVStorage {
   sJSONoptions JSON;
   uint8_t menuMode;  // 0 normal, 1, basic, 2 no heater
   uint8_t clock12hr;
+  uint8_t holdPassword;
 
   bool valid() {
     bool retval = true;
@@ -309,6 +310,7 @@ struct sUserSettings : public CESP32_NVStorage {
     JSON.init();
     menuMode = 0;
     clock12hr = 0;
+    holdPassword = 0;
   };
   void load();
   void save();
@@ -333,6 +335,7 @@ struct sUserSettings : public CESP32_NVStorage {
     JSON = rhs.JSON;
     menuMode = rhs.menuMode;
     clock12hr = rhs.clock12hr;
+    holdPassword = rhs.holdPassword;
     return *this;
   }
 };