diff --git a/OOequipment/Equipment.m b/OOequipment/Equipment.m
index bf3d0dc..1022da4 100644
--- a/OOequipment/Equipment.m
+++ b/OOequipment/Equipment.m
@@ -14,7 +14,7 @@ classdef Equipment < handle
     
     methods
         function ecq = Equipment(ipAddress,port,channel)
-            %EQUIPMENT Construct an instance of this class
+            %EQUIPMENT Construct an instance of this class.
             %   This functions opens the required TCP connection
             %   for this device. Channel is GPIB-channel on prologix
             %   converter if used, otherwise set channel to -1. 
@@ -24,6 +24,7 @@ classdef Equipment < handle
             ecq.channel = channel;
             ecq.name = ecq.idn();
         end
+        
         function id = idn(ecq)
             %IDN Queries identificantion from device via '*IDN?'.
             id = ecq.query_unsafe('*idn?');
@@ -42,6 +43,8 @@ classdef Equipment < handle
         end
         
         function unlock(ecq)
+            %UNLOCK Sets the device back to 'local control'
+            %This function only supports devices via the Prologix.
             if ecq.channel >= 0
                 fprintf(ecq.tcp,'++loc');
                 ecq.locked = false;
@@ -49,6 +52,8 @@ classdef Equipment < handle
         end
         
         function lock(ecq)
+            %UNLOCK Sets the device back to 'remote control'
+            %This function only supports devices via the Prologix.            
             if ecq.channel >= 0
                 fprintf(ecq.tcp,'++llo');
                 ecq.locked = true;
@@ -58,28 +63,26 @@ classdef Equipment < handle
         end
         
         function beep(ecq)
+            %BEEP Sends the beep command to the device
             ecq.write('SYST:BEEP')
         end
         
-        function delete(ecq)
-            ecq.unlock;
-            Equipment.getTCP(ecq.tcp.RemoteHost,-1);
-        end
-        
         function write(ecq,message)
+            %WRITE Sends a command to the channel.
+            %The function will first check if the device is ready to 
+            %recieve a command via the OPC function. Then send the command 
+            %and eventually check if the device has thrown an error via 
+            %the ERROR function.
+            %
+            %See also QUERY
             ecq.opc;
             ecq.write_unsafe(message);
             ecq.error;
         end
         
-        function write_unsafe(ecq,message)
-            if ecq.channel >= 0
-                fprintf(ecq.tcp,['++addr ', num2str(ecq.channel)]);
-            end
-            fprintf(ecq.tcp, message);
-        end
-        
         function output = read(ecq)
+            %READ Extracts recieved data from the TCP-buffer.
+            %This 
             if ecq.channel >= 0
                 fprintf(ecq.tcp,'++read');
             end
@@ -92,11 +95,6 @@ classdef Equipment < handle
             ecq.error;
         end
         
-        function output = query_unsafe(ecq,message)
-            ecq.write_unsafe(message);
-            output = read(ecq);
-        end
-        
         function errorlist = get.error(ecq)
             for i = 1:20
                 output = ecq.query_unsafe('SYSTem:ERRor?');
@@ -111,9 +109,29 @@ classdef Equipment < handle
                 end
             end
         end
+    end
+    methods (Access = protected, Hidden)
+        
+        function write_unsafe(ecq,message)
+            if ecq.channel >= 0
+                fprintf(ecq.tcp,['++addr ', num2str(ecq.channel)]);
+            end
+            fprintf(ecq.tcp, message);
+        end
+        
+        function output = query_unsafe(ecq,message)
+            ecq.write_unsafe(message);
+            output = read(ecq);
+        end
         
+        function delete(ecq)
+            %DELETE Destructs the current object.
+            ecq.unlock;
+            Equipment.getTCP(ecq.tcp.RemoteHost,-1);
+        end
         
     end
+    
     methods (Static)
         function tcpobject = getTCP(ipAddress,port)
             persistent tcpconnection;