diff --git a/MOD2-files/EXP6/Experiment6_triangular_wave.m b/MOD2-files/EXP6/Experiment6_triangular_wave.m
index 982dda3..df76c18 100644
--- a/MOD2-files/EXP6/Experiment6_triangular_wave.m
+++ b/MOD2-files/EXP6/Experiment6_triangular_wave.m
@@ -21,12 +21,12 @@ T2 = T/2;
 T15 = 3*T/2;
 
 drv=[];
-for t=0:T/50:2*T;
-    if (t<T/2)        drv=[drv -B+rc*t];   end;
-    if (T/2<=t)&(t<T) drv=[drv 3*B-rc*t];  end;
-    if (T<=t)&(t<T15) drv=[drv -5*B+rc*t]; end;
-    if (T15<=t)       drv=[drv 7*B-rc*t];  end;
-end;
+for t=tv
+    if (t<T2)        drv=[drv -B+rc*t];   end
+    if (T2<=t)&&(t<T) drv=[drv 3*B-rc*t];  end
+    if (T<=t)&&(t<T15) drv=[drv -5*B+rc*t]; end
+    if (T15<=t)       drv=[drv 7*B-rc*t];  end
+end
 
 epdhv = ehv + dhv;
 epdpvhv = epdhv + vhv;
diff --git a/OOequipment/Experiment5.zip b/OOequipment/Experiment5.zip
index fc87230..e128254 100644
Binary files a/OOequipment/Experiment5.zip and b/OOequipment/Experiment5.zip differ
diff --git a/OOequipment/Experiment5_Solution.zip b/OOequipment/Experiment5_Solution.zip
index 99381d6..3ea4546 100644
Binary files a/OOequipment/Experiment5_Solution.zip and b/OOequipment/Experiment5_Solution.zip differ
diff --git a/OOequipment/RC_TransferFunction.mlx b/OOequipment/RC_TransferFunction.mlx
index 3f2eeff..b692161 100644
Binary files a/OOequipment/RC_TransferFunction.mlx and b/OOequipment/RC_TransferFunction.mlx differ
diff --git a/OOequipment/RLC_TransferFunction.mlx b/OOequipment/RLC_TransferFunction.mlx
index a516c35..4cb94a6 100644
Binary files a/OOequipment/RLC_TransferFunction.mlx and b/OOequipment/RLC_TransferFunction.mlx differ
diff --git a/OOequipment/subfiles/Channel.m b/OOequipment/subfiles/Channel.m
index 8dd0fc8..9cd7a32 100644
--- a/OOequipment/subfiles/Channel.m
+++ b/OOequipment/subfiles/Channel.m
@@ -15,6 +15,7 @@ classdef Channel
         probe
         label
         type
+        probeunit
     end
     
     methods
@@ -50,6 +51,14 @@ classdef Channel
         function out = get.type(ch)
             out = ch.CHAN('type?');
         end
+        
+        function out = get.probeunit(ch)
+            out = ch.scope.query(['PROB',num2str(ch.channelnumber),':SET:ATT:UNIT?']);
+        end
+        
+        function out = get.probe(ch)
+            out = ch.scope.query(['PROB',num2str(ch.channelnumber),':SET:ATT:MAN?']);
+        end
                 
         function ch = set.state(ch,in)
             ch.CHAN('state',in);
@@ -107,6 +116,14 @@ classdef Channel
             out = str2double(ch.MEAS('phas'));
         end
         
+        function ch = set.probeunit(ch,unit)
+            ch.scope.write(['PROB',num2str(ch.channelnumber),':SET:ATT:UNIT ', unit]);
+        end
+        
+        function ch = set.probe(ch,man)
+            ch.scope.write(['PROB',num2str(ch.channelnumber),':SET:ATT:MAN ', man]);
+        end
+        
         function data = waveform(ch,window)
             ch.scope.single;
             if nargin < 2
diff --git a/OOequipment/subfiles/Equipment.m b/OOequipment/subfiles/Equipment.m
index 332fc35..4f0e174 100644
--- a/OOequipment/subfiles/Equipment.m
+++ b/OOequipment/subfiles/Equipment.m
@@ -240,8 +240,8 @@ classdef Equipment < handle
     methods (Access = protected, Hidden)
         
         function setPrologix(ecq)
-            fprintf(ecq.tcp, '++mode 1');     %set device in controller mode
-            fprintf(ecq.tcp, '++auto 0');     %disable automatic datapull. this avoids errors on equipment.
+            ecq.write_unsafe('++mode 1');     %set device in controller mode
+            ecq.write_unsafe('++auto 0');     %disable automatic datapull. this avoids errors on equipment.
         end
             
         function delete(ecq)
@@ -265,10 +265,10 @@ classdef Equipment < handle
             
             persistent tcpconnection; %make variable persistent to share tcp-handles across multiple function calls.
             if isempty(tcpconnection)
-                    %if the tcpconnection is empty (first time function
-                    %call) make a struct in the variable.
-                    tcpconnection = struct; 
-                end
+                %if the tcpconnection is empty (first time function
+                %call) make a struct in the variable.
+                tcpconnection = struct; 
+            end
             [ipname,ipAddress] = Equipment.ip2structname(ipAddress,abs(port)); %Get a structname and a cleaned ipaddress.
             if port > 0 %if port number is positive a connection is made.