diff --git a/examples/examples.cfg b/examples/examples.cfg
index ce45ef2..e985ffd 100644
--- a/examples/examples.cfg
+++ b/examples/examples.cfg
@@ -9,7 +9,7 @@
 
     ex_00_rt_sine: {
 
-      //dur_limit_secs:5.0,
+      dur_limit_secs:5.0,
 
       network: {
       
diff --git a/src/caw/cawUi.cpp b/src/caw/cawUi.cpp
index 9f0374a..1029b2c 100644
--- a/src/caw/cawUi.cpp
+++ b/src/caw/cawUi.cpp
@@ -58,7 +58,7 @@ namespace caw {
     rc_t _create_bool_widgets( ui_t* p, unsigned widgetListUuId, const flow::ui_var_t* ui_var, unsigned& uuid_ref )
     {
       rc_t rc = kOkRC;
-      if((rc = uiCreateCheck(p->ioH, uuid_ref, widgetListUuId, nullptr, kCheckWidgetId, kInvalidId, nullptr, ui_var->label )) != kOkRC )
+      if((rc = uiCreateCheck(p->ioH, uuid_ref, widgetListUuId, nullptr, kCheckWidgetId, kInvalidId, nullptr, nullptr )) != kOkRC )
       {
         rc = cwLogError(rc,"Check box widget create failed on '%s'.",cwStringNullGuard(ui_var->label));
       }
@@ -70,7 +70,7 @@ namespace caw {
     {
       rc_t rc;
       
-      if((rc = uiCreateNumb( p->ioH, uuid_ref, widgetListUuId, nullptr, appId, kInvalidId, nullptr, ui_var->label, min_val, max_val, step, dec_pl )) != kOkRC )
+      if((rc = uiCreateNumb( p->ioH, uuid_ref, widgetListUuId, nullptr, appId, kInvalidId, nullptr, nullptr, min_val, max_val, step, dec_pl )) != kOkRC )
       {
         rc = cwLogError(rc,"Integer widget create failed on '%s'.",cwStringNullGuard(ui_var->label));
         goto errLabel;
@@ -83,7 +83,7 @@ namespace caw {
     rc_t _create_string_widgets( ui_t* p, unsigned widgetListUuId, const flow::ui_var_t* ui_var, unsigned& uuid_ref )
     {
       rc_t rc = kOkRC;
-      if((rc = uiCreateStr( p->ioH, uuid_ref, widgetListUuId, nullptr, kStringWidgetId, kInvalidId, nullptr, ui_var->label )) != kOkRC )
+      if((rc = uiCreateStr( p->ioH, uuid_ref, widgetListUuId, nullptr, kStringWidgetId, kInvalidId, nullptr, nullptr )) != kOkRC )
       {
         rc = cwLogError(rc,"String widget create failed on '%s'.",cwStringNullGuard(ui_var->label));
         goto errLabel;        
@@ -93,6 +93,21 @@ namespace caw {
       return rc;
     }
 
+    rc_t _create_var_label( ui_t* p, unsigned parentListUuId, const flow::ui_var_t* ui_var, const char* label, unsigned var_idx )
+    {
+      rc_t rc;
+      unsigned uuId;
+      if((rc = uiCreateStrDisplay( p->ioH, uuId, parentListUuId, nullptr, kInvalidId, kInvalidId, nullptr, label )) != kOkRC )
+      {
+        rc = cwLogError(rc,"Label widget create failed on '%s'.",cwStringNullGuard(ui_var->label));
+        goto errLabel;        
+        
+      }
+
+    errLabel:
+      return rc;
+      
+    }
     
     rc_t _create_var_ui( ui_t* p, unsigned parentListUuId, const flow::ui_var_t* ui_var, unsigned var_idx )
     {
@@ -178,11 +193,19 @@ namespace caw {
       }
 
       if( widget_uuId != kInvalidId )
+      {
         uiSetBlob(p->ioH,widget_uuId, &ui_var, sizeof(&ui_var));
 
+        // if this is a 'init' variable then disable it
+        if( ui_var->desc_flags & flow::kInitVarDescFl )
+          uiClearEnable(p->ioH, widget_uuId );
+
+        
+      }
+
     errLabel:
       if(rc != kOkRC )
-        rc = cwLogError(rc,"Processor UI creation failed on %s:%i.",cwStringNullGuard(ui_var->label),ui_var->label_sfx_id);
+        rc = cwLogError(rc,"Variable UI creation failed on %s:%i.",cwStringNullGuard(ui_var->label),ui_var->label_sfx_id);
       
       return rc;
       
@@ -202,66 +225,97 @@ namespace caw {
     
     rc_t _create_proc_ui( ui_t* p, unsigned parentListUuId, const flow::ui_proc_t* ui_proc, unsigned proc_idx )
     {
-      rc_t     rc            = kOkRC;
-      unsigned procPanelUuId = kInvalidId;
-      unsigned chanListUuId  = kInvalidId;
-      unsigned chN           = _calc_max_chan_count(ui_proc);
+      rc_t           rc              = kOkRC;
+      unsigned       procPanelUuId   = kInvalidId;
+      unsigned       chanPanelUuId   = kInvalidId;
+      unsigned       chanListUuId    = kInvalidId;
+      unsigned       chN             = _calc_max_chan_count(ui_proc);
+      const unsigned label_buf_charN = 127;
+      char           label_buf[ label_buf_charN+1 ];
       
       if((rc = uiCreateFromRsrc(   p->ioH, "proc", parentListUuId, proc_idx )) != kOkRC )
       {
         goto errLabel;
       }
 
-      procPanelUuId =  uiFindElementUuId( p->ioH, parentListUuId, kProcPanelId,   proc_idx );
-      chanListUuId   =  uiFindElementUuId( p->ioH, procPanelUuId, kChanListId,   kInvalidId );
-
+      procPanelUuId  =  uiFindElementUuId( p->ioH, parentListUuId, kProcPanelId,   proc_idx );
+      chanPanelUuId  =  uiFindElementUuId( p->ioH, procPanelUuId, kChanPanelId,   kInvalidId );
+      chanListUuId   =  uiFindElementUuId( p->ioH, chanPanelUuId, kChanListId,   kInvalidId );
       //printf("proc_idx: %i %i %i : chN:%i\n",proc_idx, parentListUuId, procPanelUuId,chN);
 
-      uiSendValue( p->ioH, uiFindElementUuId(p->ioH, procPanelUuId, kProcInstLabelId, kInvalidId), ui_proc->label );
-      uiSendValue( p->ioH, uiFindElementUuId(p->ioH, procPanelUuId, kProcInstSfxId,   kInvalidId), ui_proc->label_sfx_id );
+      snprintf(label_buf,label_buf_charN,"%s:%i",ui_proc->label,ui_proc->label_sfx_id);
+      
+      uiSendValue( p->ioH, uiFindElementUuId(p->ioH, procPanelUuId, kProcInstLabelId, kInvalidId), label_buf );
 
 
-      // for each channel
-      for(unsigned ui_ch_idx=0; ui_ch_idx<chN; ++ui_ch_idx)
+      // for each channel (add one to the channel count to account for the leading 'label' column)
+      for(unsigned ui_ch_idx=0; ui_ch_idx<chN+1; ++ui_ch_idx)
       {
-        unsigned chanPanelUuId = kInvalidId;
         unsigned varListUuId   = kInvalidIdx;
         
-        // create a chan. panel
+        // add a varList to the chanList
         if((rc = uiCreateFromRsrc( p->ioH, "chan", chanListUuId, ui_ch_idx )) != kOkRC )
         {
           goto errLabel;
         }
       
-        chanPanelUuId = uiFindElementUuId(p->ioH, chanListUuId, kChanPanelId, ui_ch_idx);
-        varListUuId   = uiFindElementUuId(p->ioH, chanPanelUuId, kVarListId, kInvalidIdx );
-      
+        varListUuId = uiFindElementUuId(p->ioH, chanListUuId, kVarListId, ui_ch_idx );
+
+        // for each var
         for(unsigned j=0; j<ui_proc->varN; ++j)
         {
-          const flow::ui_var_t* ui_var = ui_proc->varA + j;          
+          const flow::ui_var_t* ui_var = ui_proc->varA + j;
 
+          // only create controls for certain value types
+          if( !(ui_var->value_tid & (flow::kBoolTFl | flow::kIntTFl | flow::kUIntTFl | flow::kFloatTFl | flow::kDoubleTFl | flow::kStringTFl )))
+            continue;
           
-          // if this variable has no channelized duplicates and this is the 'any' ch. var
-          if( ui_var->ch_idx == flow::kAnyChIdx && ui_var->ch_cnt==flow::kAnyChIdx && ui_ch_idx==0 )
+
+          if( ui_ch_idx == 0 )
           {
+            if( ui_var->ch_idx == flow::kAnyChIdx )
+            {
+              snprintf(label_buf,label_buf_charN,"%s:%i",ui_var->label,ui_var->label_sfx_id);
+              if((rc = _create_var_label(p,varListUuId, ui_var, label_buf, j)) != kOkRC )
+              {
+                goto errLabel;
+              }
+            }
+            
           }
           else
           {
-            // if this is a channelized variable and ui_ch_idx is the var's channel
-            if( ui_var->ch_idx != flow::kAnyChIdx && ui_var->ch_idx == ui_ch_idx )
+
+            // subtract one from ui_ch_idx to account for the leading label column with is associated with ui_ch_idx==0
+            unsigned uiChIdx = ui_ch_idx - 1;
+            bool create_fl = false;
+            
+            // if this is the 'any' ch. var
+            if( ui_var->ch_idx == flow::kAnyChIdx  )
             {
+              // if this 'any' ch. var has no other channels
+              if( ui_var->ch_cnt == 0 )
+              {
+                create_fl = true; // always create a control or a blank var
+                
+                // if the current ch. == 0 then create then control ...
+                if( ui_var->ch_cnt==0 && uiChIdx!=0 )
+                  ui_var = nullptr; // ... otherwise create a blank 
+              }
+                
             }
-            else
+            else // otherwise create the var if it is on chan 'uiChIdx'
             {
-              //printf("proc_idx:%i %s : %i %i\n",proc_idx,ui_var->label,ui_var->ch_idx,ui_var->ch_cnt);
-              ui_var = nullptr; // insert a blank var panel
+              create_fl = ui_var->ch_idx == uiChIdx;
+            }
+
+            if( create_fl )
+            {              
+              if((rc = _create_var_ui(p, varListUuId, ui_var, j)) != kOkRC )
+              {
+                goto errLabel;
+              }
             }
-          }
-          
-          
-          if((rc = _create_var_ui(p, varListUuId, ui_var, j)) != kOkRC )
-          {
-            goto errLabel;
           }
         }
       }
@@ -335,8 +389,12 @@ cw::rc_t caw::ui::create( handle_t&             hRef,
       rc = cwLogError(rc,"UI create failed.");
       goto errLabel;
     }
+
+    hRef.set(p);
   }
 
+  
+
 errLabel:  
   return rc;
 }
diff --git a/src/caw/cawUiDecl.h b/src/caw/cawUiDecl.h
index 1ecee7a..ef5477a 100644
--- a/src/caw/cawUiDecl.h
+++ b/src/caw/cawUiDecl.h
@@ -23,7 +23,6 @@ namespace caw {
 
       kProcPanelId,
       kProcInstLabelId,
-      kProcInstSfxId,
       kChanListId,
       
       kChanPanelId,
diff --git a/src/caw/html/css/caw.css b/src/caw/html/css/caw.css
index d2e9051..6582232 100644
--- a/src/caw/html/css/caw.css
+++ b/src/caw/html/css/caw.css
@@ -13,68 +13,30 @@
 
 .chanPanel {
     border: 1px solid Yellow;
+
+    /*height: 100px;*/ 
+    overflow-x: hidden; /* 'hidden' to remove horz scroll bar */
+    overflow-y: auto; 
+    
+}
+
+.chanList {
+    display: flex;
+    flex-direction: row;
+}
+    
+
+ 
+.varList {
+     display: flex;
+     flex-direction: column;
+     overflow-y: hidden;
+     
 }
 
 .varPanel {
     border: 1px solid Green;
+    height: 20px;
 }
 
 
-
-.fragList {
-    border: 1px solid LightSteelBlue;
-    width: 1000px;
-    height: 450px;
-}
-
-.fragList label {
-    width: 50px;
-    background-color: LightBlue;
-}
-
-.fragList .uiNumbDisp {
-    width: 25px;
-}
-
-.fragPanel {
-    border: 1px solid LightSteelBlue;
-    padding-bottom: 5px;
-    padding-top: 5px;
-}
-
-.fragPanelRow {
-    padding-right: 15px;
-    padding-left: 15px;
-    justify-content: space-around;
-}
-
-.fragPresetCtl {
-    width: 50px;
-}
-
-.fragPresetCtl:nth-of-type(even){
-    border: 1px solid Yellow;
-}
-
-.fragPresetCtl .uiNumber {
-    border: 1px solid LightSteelBlue;
-    width: 80%;
-}
-
-.fragPresetCtl .uiString {
-    border: 1px solid LightSteelBlue;
-    width: 80%;
-}
-
-.fragNote {
-    width: 575px;
-}
-
-.uiRow {
-    padding-bottom: 5px;
-    padding-top: 5px;
-}
-
-.velTunerPanel {
-    border: 1px solid black;
-}
diff --git a/src/caw/html/ui.cfg b/src/caw/html/ui.cfg
index bf67fb7..5019a9f 100644
--- a/src/caw/html/ui.cfg
+++ b/src/caw/html/ui.cfg
@@ -50,20 +50,22 @@
 
           col: { 
              str_disp: { name: procInstLabel, value:"" },
-	     numb_disp: { name:procInstSfxId, value:0 },
-             hlist: { name: chanListId, addClassName: chanList }
+
+	     panel: {
+	        name: chanPanelId,
+		addClassName: chanPanel,
+		
+		panel: { name: chanListId, addClassName: chanList }
+	     }
           }
        }
     }
 
+    
+
    chan: {
 
-     panel: {
-       name: chanPanelId,
-       addClassName: chanPanel,
-       
-       vlist: { name: varListId, addClassName: varList }
-     }
+     panel: { name: varListId, addClassName: varList }
    }
 
     var: {
@@ -72,7 +74,7 @@
          name: varPanelId,
 	 addClassName: varPanel,
 
-	 hlist: { name: widgetListId, addClassName: widgetList }
+	 panel: { name: widgetListId, addClassName: widgetList }
 	 
        }
     }
diff --git a/src/caw/main.cpp b/src/caw/main.cpp
index fa72284..785a04d 100644
--- a/src/caw/main.cpp
+++ b/src/caw/main.cpp
@@ -82,12 +82,11 @@ ui::appIdMap_t  appIdMapA[] = {
   { kProcListId,     kProcPanelId,   "procPanelId" },
 
   { kProcPanelId,    kProcInstLabelId,   "procInstLabel" },
-  { kProcPanelId,    kProcInstSfxId,     "procInstSfxId" },
-  { kProcPanelId,    kChanListId,        "chanListId" },
+  { kProcPanelId,    kChanPanelId,       "chanPanelId" },
+  { kChanPanelId,    kChanListId,        "chanListId" },
 
-  { kChanListId,     kChanPanelId,   "chanPanelId" },
 
-  { kChanPanelId,    kVarListId,     "varListId" },
+  { kChanListId,     kVarListId,     "varListId" },
   { kVarListId,      kVarPanelId,    "varPanelId" },
 
   { kVarPanelId,    kWidgetListId,  "widgetListId" },
@@ -810,6 +809,9 @@ errLabel:
   if((rc = destroy(app.ioH)) != kOkRC )
     rc = cwLogError(rc,"IO destroy failed.");
 
+  if((rc = destroy(app.uiH)) != kOkRC )
+    rc = cwLogError(rc,"UI destroy failed.");
+
   if( app.io_cfg != nullptr )
     app.io_cfg->free();