diff --git a/+adi/+AD3552R/Base.m b/+adi/+AD3552R/Base.m
index a561bcc..a3ca618 100755
--- a/+adi/+AD3552R/Base.m
+++ b/+adi/+AD3552R/Base.m
@@ -2,11 +2,19 @@
         adi.common.RxTx & ...
         matlabshared.libiio.base & ...
         adi.common.Attribute
-    %AD3552R Base Summary of this class goes here
-    %   Detailed explanation goes here
-
+    % adi.AD3552R.Tx Transmit data to the AD3552R high speed DAC
+    %   The adi.AD3552R.Tx System object is a signal source that can send
+    %   complex data from the AD3552R.
+    %
+    %   tx = adi.AD3552R.Tx;
+    %   tx = adi.AD3552R.Tx('uri','192.168.2.1');
+    %
+    %   <a href="http://www.analog.com/media/en/technical-documentation/data-sheets/AD3552R.pdf">AD3552R Datasheet</a>
+    %
+    %   See also adi.CN0585.Tx
+    
     properties (Nontunable)
-        %SamplesPerFrame Samples Per Frame
+        % SamplesPerFrame Samples Per Frame
         %   Number of samples per frame, specified as an even positive
         %   integer from 2 to 16,777,216. Using values less than 3660 can
         %   yield poor performance.
@@ -27,6 +35,20 @@
         ComplexData = false;
     end
 
+    properties (Nontunable)
+        % InputSource
+        %  Lists all the available input sources of the DAC.
+        %  Options are: 'adc_input', 'dma_input', 'ramp_input'.
+        InputSource = 'adc_input';
+    end
+
+    properties (Nontunable)
+         % OutputRange
+         %  Lists all the available voltage ranges of the output signal.
+         %  Options are: '0/2.5V', '0/5V', '0/10V', '-5/+5V', '-10/+10V'.
+         InputSource = '-10/+10V';
+     end
+
     properties
         InputSourceSet = matlab.system.StringSet({...
 						  'adc_input', 'dma_input', 'ramp_input'})
diff --git a/+adi/+AD3552R/Tx.m b/+adi/+AD3552R/Tx.m
index 28e0403..a689b98 100755
--- a/+adi/+AD3552R/Tx.m
+++ b/+adi/+AD3552R/Tx.m
@@ -11,9 +11,9 @@
     %   See also adi.CN0585.Tx
 
     properties (Constant)
-        %SamplingRate Sampling Rate
+        % SamplingRate Sampling Rate
         %   Baseband sampling rate in Hz, specified as a scalar
-        %   in samples per second. This value is constant
+        %   in samples per second. This value is constant.
         SamplingRate = 15e6;
     end
 
@@ -31,7 +31,14 @@
         channel_names = {'voltage0', 'voltage1'};
     end
 
-    propertiesi (Hidden, Constant)
+    properties (Nontunable)
+      % StreamStatus
+      %   Describes the status of the data streaming.
+      %   Options are: 'start_stream_synced', 'start_stream', 'stop_stream'.
+      StreamStatus = 'stop_stream';
+    end
+
+    properties (Hidden, Constant)
         StreamStatusSet = matlab.system.StringSet({ ...
 						    'start_stream_synced', 'start_stream', 'stop_stream'})
     end