diff --git a/src/portcontrol.ui b/src/portcontrol.ui
--- a/src/portcontrol.ui
+++ b/src/portcontrol.ui
@@ -33,6 +33,9 @@
            0
           
          
+         
+          You can enter a port name even if it's not listed, such as pseudo terminals.
+         
          
           true
          
@@ -40,6 +43,9 @@
        
        - 
         
+         
+          You can enter a custom baud rate if it's supported by your OS/adapter.
+         
          
           Qt::ImhPreferNumbers
          
@@ -70,7 +76,7 @@
           
          
          
-          
+          Reload the list of ports
          
          
           ↺
@@ -301,6 +307,224 @@
       
      
 
      - 
+      
+       
+        2
+       
+       
- 
+        
+         
+          
+           15
+           15
+          
+         
+         
+          
+           15
+           15
+          
+         
+         
+          Request To Send
+         
+        
+       
 
+       - 
+        
+         
+          Qt::Horizontal
+         
+         
+          
+           40
+           20
+          
+         
+        
+       
 
+       - 
+        
+         
+          
+           40
+           20
+          
+         
+         
+          Data Terminal Ready
+         
+         
+          DTR
+         
+        
+       
 
+       - 
+        
+         
+          
+           15
+           15
+          
+         
+         
+          
+           15
+           15
+          
+         
+         
+          Data Terminal Ready
+         
+        
+       
 
+       - 
+        
+         
+          
+           15
+           15
+          
+         
+         
+          
+           15
+           15
+          
+         
+         
+          Data Set Ready
+         
+        
+       
 
+       - 
+        
+         
+          Data Set Ready
+         
+         
+          DSR
+         
+         
+          Qt::AlignCenter
+         
+        
+       
 
+       - 
+        
+         
+          
+           40
+           20
+          
+         
+         
+          Request To Send
+         
+         
+          RTS
+         
+        
+       
 
+       - 
+        
+         
+          Data Carrier Detect
+         
+         
+          DCD
+         
+         
+          Qt::AlignCenter
+         
+        
+       
 
+       - 
+        
+         
+          
+           15
+           15
+          
+         
+         
+          
+           15
+           15
+          
+         
+         
+          Data Carrier Detect
+         
+        
+       
 
+       - 
+        
+         
+          Ring Indicator
+         
+         
+          RI
+         
+         
+          Qt::AlignCenter
+         
+        
+       
 
+       - 
+        
+         
+          
+           15
+           15
+          
+         
+         
+          
+           15
+           15
+          
+         
+         
+          Ring Indicator
+         
+        
+       
 
+       - 
+        
+         
+          
+           15
+           15
+          
+         
+         
+          
+           15
+           15
+          
+         
+         
+          Clear To Send
+         
+        
+       
 
+       - 
+        
+         
+          Clear To Send
+         
+         
+          CTS
+         
+         
+          Qt::AlignCenter
+         
+        
+       
 
+      
+      
+     - 
       
        
         Qt::Vertical
@@ -308,7 +532,7 @@
        
         
          20
-         40
+         1
         
        
       
@@ -317,6 +541,14 @@
    
 
   
  
+ 
+  
+   LedWidget
+   QWidget
+   
+   1
+  
+ 
  
   cbPortList
   pbReloadPorts