diff --git a/sdrbase/resources/index.html b/sdrbase/resources/index.html
index e6fc65d91..95b9c8dce 100644
--- a/sdrbase/resources/index.html
+++ b/sdrbase/resources/index.html
@@ -1049,9 +1049,9 @@ margin-bottom: 20px;
       "description" : "Name of the preset group"
     },
     "centerFrequency" : {
-      "type" : "number",
-      "format" : "float",
-      "description" : "Center freqeuency in MHz"
+      "type" : "integer",
+      "format" : "int64",
+      "description" : "Center freqeuency in Hz"
     },
     "type" : {
       "type" : "string",
@@ -1068,9 +1068,9 @@ margin-bottom: 20px;
   "required" : [ "centerFrequency", "name", "type" ],
   "properties" : {
     "centerFrequency" : {
-      "type" : "number",
-      "format" : "float",
-      "description" : "Center freqeuency in MHz"
+      "type" : "integer",
+      "format" : "int64",
+      "description" : "Center freqeuency in Hz"
     },
     "type" : {
       "type" : "string",
@@ -6195,12 +6195,47 @@ $(document).ready(function() {
                                 </div>
                             </div>
 
-                            <h3> Status: 400 - Invalid frequency </h3>
+                            <h3> Status: 400 - Preset type and device set type mismatch </h3>
 
                             <ul class="nav nav-tabs nav-tabs-examples" >
+                                <li class="active">
+                                  <a data-toggle="tab" href="#responses-instancePresetPatch-400-schema">Schema</a>
+                                </li>
+
                             </ul>
 
                             <div class="tab-content" style='margin-bottom: 10px;'>
+                                <div class="tab-pane active" id="responses-instancePresetPatch-400-schema">
+                                  <div id='responses-instancePresetPatch-400-schema-400' style="padding: 30px; border-left: 1px solid #eee; border-right: 1px solid #eee; border-bottom: 1px solid #eee;">
+                                    <script>
+                                      $(document).ready(function() {
+                                        var schemaWrapper = {
+  "description" : "Preset type and device set type mismatch",
+  "schema" : {
+    "$ref" : "#/definitions/ErrorResponse"
+  }
+};
+                                        var schema = schemaWrapper.schema;
+                                        if (schema.$ref != null) {
+                                          schema = defsParser.$refs.get(schema.$ref);
+                                        } else {
+                                          schemaWrapper.definitions = Object.assign({}, defs);
+                                          $RefParser.dereference(schemaWrapper).catch(function(err) {
+                                            console.log(err);
+                                          });
+                                        }
+
+                                        //console.log(JSON.stringify(schema));
+                                        var view = new JSONSchemaView(schema, 3);
+                                        $('#responses-instancePresetPatch-400-schema-data').val(stringify(schema));
+                                        var result = $('#responses-instancePresetPatch-400-schema-400');
+                                        result.empty();
+                                        result.append(view.render());
+                                      });
+                                    </script>
+                                  </div>
+                                  <input id='responses-instancePresetPatch-400-schema-data' type='hidden' value=''></input>
+                                </div>
                             </div>
 
                             <h3> Status: 404 - No preset or device set found </h3>
@@ -6309,7 +6344,7 @@ $(document).ready(function() {
                         <div class="pull-right"></div>
                         <div class="clearfix"></div>
                         <p></p>
-                        <p class="marked">Create a new preset from a device set settings</p>
+                        <p class="marked">Create a new preset from a device set settings. Frequency and type is ignored and taken from the the device set values.</p>
                         <p></p>
                         <br />
                         <pre class="prettyprint language-html prettyprinted" data-type="post"><code><span class="pln">/sdrangel/preset</span></code></pre>
@@ -6598,42 +6633,61 @@ $(document).ready(function() {
                                 </div>
                             </div>
 
-                            <h3> Status: 400 - Invalid frequency </h3>
-
-                            <ul class="nav nav-tabs nav-tabs-examples" >
-                            </ul>
-
-                            <div class="tab-content" style='margin-bottom: 10px;'>
-                            </div>
-
                             <h3> Status: 404 - Device set not found </h3>
 
-                            <ul class="nav nav-tabs nav-tabs-examples" >
-                            </ul>
-
-                            <div class="tab-content" style='margin-bottom: 10px;'>
-                            </div>
-
-                            <h3> Status: 409 - Preset already exists </h3>
-
-                            <ul class="nav nav-tabs nav-tabs-examples" >
-                            </ul>
-
-                            <div class="tab-content" style='margin-bottom: 10px;'>
-                            </div>
-
-                            <h3> Status: 500 - Error </h3>
-
                             <ul class="nav nav-tabs nav-tabs-examples" >
                                 <li class="active">
-                                  <a data-toggle="tab" href="#responses-instancePresetPost-500-schema">Schema</a>
+                                  <a data-toggle="tab" href="#responses-instancePresetPost-404-schema">Schema</a>
                                 </li>
 
                             </ul>
 
                             <div class="tab-content" style='margin-bottom: 10px;'>
-                                <div class="tab-pane active" id="responses-instancePresetPost-500-schema">
-                                  <div id='responses-instancePresetPost-500-schema-500' style="padding: 30px; border-left: 1px solid #eee; border-right: 1px solid #eee; border-bottom: 1px solid #eee;">
+                                <div class="tab-pane active" id="responses-instancePresetPost-404-schema">
+                                  <div id='responses-instancePresetPost-404-schema-404' style="padding: 30px; border-left: 1px solid #eee; border-right: 1px solid #eee; border-bottom: 1px solid #eee;">
+                                    <script>
+                                      $(document).ready(function() {
+                                        var schemaWrapper = {
+  "description" : "Device set not found",
+  "schema" : {
+    "$ref" : "#/definitions/ErrorResponse"
+  }
+};
+                                        var schema = schemaWrapper.schema;
+                                        if (schema.$ref != null) {
+                                          schema = defsParser.$refs.get(schema.$ref);
+                                        } else {
+                                          schemaWrapper.definitions = Object.assign({}, defs);
+                                          $RefParser.dereference(schemaWrapper).catch(function(err) {
+                                            console.log(err);
+                                          });
+                                        }
+
+                                        //console.log(JSON.stringify(schema));
+                                        var view = new JSONSchemaView(schema, 3);
+                                        $('#responses-instancePresetPost-404-schema-data').val(stringify(schema));
+                                        var result = $('#responses-instancePresetPost-404-schema-404');
+                                        result.empty();
+                                        result.append(view.render());
+                                      });
+                                    </script>
+                                  </div>
+                                  <input id='responses-instancePresetPost-404-schema-data' type='hidden' value=''></input>
+                                </div>
+                            </div>
+
+                            <h3> Status: 409 - Error </h3>
+
+                            <ul class="nav nav-tabs nav-tabs-examples" >
+                                <li class="active">
+                                  <a data-toggle="tab" href="#responses-instancePresetPost-409-schema">Schema</a>
+                                </li>
+
+                            </ul>
+
+                            <div class="tab-content" style='margin-bottom: 10px;'>
+                                <div class="tab-pane active" id="responses-instancePresetPost-409-schema">
+                                  <div id='responses-instancePresetPost-409-schema-409' style="padding: 30px; border-left: 1px solid #eee; border-right: 1px solid #eee; border-bottom: 1px solid #eee;">
                                     <script>
                                       $(document).ready(function() {
                                         var schemaWrapper = {
@@ -6654,14 +6708,14 @@ $(document).ready(function() {
 
                                         //console.log(JSON.stringify(schema));
                                         var view = new JSONSchemaView(schema, 3);
-                                        $('#responses-instancePresetPost-500-schema-data').val(stringify(schema));
-                                        var result = $('#responses-instancePresetPost-500-schema-500');
+                                        $('#responses-instancePresetPost-409-schema-data').val(stringify(schema));
+                                        var result = $('#responses-instancePresetPost-409-schema-409');
                                         result.empty();
                                         result.append(view.render());
                                       });
                                     </script>
                                   </div>
-                                  <input id='responses-instancePresetPost-500-schema-data' type='hidden' value=''></input>
+                                  <input id='responses-instancePresetPost-409-schema-data' type='hidden' value=''></input>
                                 </div>
                             </div>
 
@@ -6685,7 +6739,7 @@ $(document).ready(function() {
                         <div class="pull-right"></div>
                         <div class="clearfix"></div>
                         <p></p>
-                        <p class="marked">Save device set settings on a preset</p>
+                        <p class="marked">Update device set settings on an existing preset.</p>
                         <p></p>
                         <br />
                         <pre class="prettyprint language-html prettyprinted" data-type="put"><code><span class="pln">/sdrangel/preset</span></code></pre>
@@ -6974,14 +7028,6 @@ $(document).ready(function() {
                                 </div>
                             </div>
 
-                            <h3> Status: 400 - Invalid frequency </h3>
-
-                            <ul class="nav nav-tabs nav-tabs-examples" >
-                            </ul>
-
-                            <div class="tab-content" style='margin-bottom: 10px;'>
-                            </div>
-
                             <h3> Status: 404 - No preset or device set found </h3>
 
                             <ul class="nav nav-tabs nav-tabs-examples" >
@@ -7393,7 +7439,7 @@ except ApiException as e:
           </div>
           <div id="generator">
             <div class="content">
-              Generated 2017-11-25T04:38:54.817+01:00
+              Generated 2017-11-25T18:28:10.878+01:00
             </div>
           </div>
       </div>
diff --git a/sdrbase/webapi/webapiadapterinterface.h b/sdrbase/webapi/webapiadapterinterface.h
index 203830bc7..32f71a9ec 100644
--- a/sdrbase/webapi/webapiadapterinterface.h
+++ b/sdrbase/webapi/webapiadapterinterface.h
@@ -164,6 +164,16 @@ public:
             Swagger::SWGErrorResponse& error __attribute__((unused)))
     { return 501; }
 
+    /**
+     * Handler of /sdrangel/preset (POST) swagger/sdrangel/code/html2/index.html#api-Default-instanceChannels
+     * returns the Http status code (default 501: not implemented)
+     */
+    virtual int instancePresetPost(
+            Swagger::SWGPresetTransfer& query __attribute__((unused)),
+            Swagger::SWGPresetIdentifier& response __attribute__((unused)),
+            Swagger::SWGErrorResponse& error __attribute__((unused)))
+    { return 501; }
+
     static QString instanceSummaryURL;
     static QString instanceDevicesURL;
     static QString instanceChannelsURL;
diff --git a/sdrbase/webapi/webapirequestmapper.cpp b/sdrbase/webapi/webapirequestmapper.cpp
index 9e2925f6d..a876c850a 100644
--- a/sdrbase/webapi/webapirequestmapper.cpp
+++ b/sdrbase/webapi/webapirequestmapper.cpp
@@ -381,6 +381,25 @@ void WebAPIRequestMapper::instancePresetService(qtwebapp::HttpRequest& request,
             }
         }
     }
+    else if (request.getMethod() == "POST")
+    {
+        Swagger::SWGPresetTransfer query;
+        Swagger::SWGPresetIdentifier normalResponse;
+        QString jsonStr = request.getBody();
+
+        if (parseJsonBody(jsonStr, response))
+        {
+            query.fromJson(jsonStr);
+            int status = m_adapter->instancePresetPost(query, normalResponse, errorResponse);
+            response.setStatus(status);
+
+            if (status == 200) {
+                response.write(normalResponse.asJson().toUtf8());
+            } else {
+                response.write(errorResponse.asJson().toUtf8());
+            }
+        }
+    }
     else
     {
         response.setStatus(405,"Invalid HTTP method");
diff --git a/sdrgui/webapi/webapiadaptergui.cpp b/sdrgui/webapi/webapiadaptergui.cpp
index bebf58824..872e96592 100644
--- a/sdrgui/webapi/webapiadaptergui.cpp
+++ b/sdrgui/webapi/webapiadaptergui.cpp
@@ -494,7 +494,6 @@ int WebAPIAdapterGUI::instancePresetPut(
     int deviceSetIndex = query.getDeviceSetIndex();
     Swagger::SWGPresetIdentifier *presetIdentifier = query.getPreset();
     int nbDeviceSets = m_mainWindow.m_deviceUIs.size();
-    bool newPreset;
 
     if (deviceSetIndex > nbDeviceSets)
     {
@@ -506,15 +505,17 @@ int WebAPIAdapterGUI::instancePresetPut(
             presetIdentifier->getCenterFrequency(),
             *presetIdentifier->getName());
 
-    if (selectedPreset == 0) // save on a new preset
+    if (selectedPreset == 0)
     {
-        selectedPreset = m_mainWindow.m_settings.newPreset(*presetIdentifier->getGroupName(), *presetIdentifier->getName());
-        newPreset = true;
+        *error.getMessage() = QString("There is no preset [%1, %2, %3]")
+                .arg(*presetIdentifier->getGroupName())
+                .arg(presetIdentifier->getCenterFrequency())
+                .arg(*presetIdentifier->getName());
+        return 404;
     }
     else // update existing preset
     {
         DeviceUISet *deviceUI = m_mainWindow.m_deviceUIs[deviceSetIndex];
-        newPreset = false;
 
         if (deviceUI->m_deviceSourceEngine && !selectedPreset->isSourcePreset())
         {
@@ -529,7 +530,51 @@ int WebAPIAdapterGUI::instancePresetPut(
         }
     }
 
-    MainWindow::MsgSavePreset *msg = MainWindow::MsgSavePreset::create(const_cast<Preset*>(selectedPreset), deviceSetIndex, newPreset);
+    MainWindow::MsgSavePreset *msg = MainWindow::MsgSavePreset::create(const_cast<Preset*>(selectedPreset), deviceSetIndex, false);
+    m_mainWindow.m_inputMessageQueue.push(msg);
+
+    response.init();
+    response.setCenterFrequency(selectedPreset->getCenterFrequency());
+    *response.getGroupName() = selectedPreset->getGroup();
+    *response.getType() = selectedPreset->isSourcePreset() ? "R" : "T";
+    *response.getName() = selectedPreset->getDescription();
+
+    return 200;
+}
+
+int WebAPIAdapterGUI::instancePresetPost(
+        Swagger::SWGPresetTransfer& query,
+        Swagger::SWGPresetIdentifier& response,
+        Swagger::SWGErrorResponse& error)
+{
+    int deviceSetIndex = query.getDeviceSetIndex();
+    Swagger::SWGPresetIdentifier *presetIdentifier = query.getPreset();
+    int nbDeviceSets = m_mainWindow.m_deviceUIs.size();
+
+    if (deviceSetIndex > nbDeviceSets)
+    {
+        *error.getMessage() = QString("There is no device set at index %1. Number of device sets is %2").arg(deviceSetIndex).arg(nbDeviceSets);
+        return 404;
+    }
+
+    const Preset *selectedPreset = m_mainWindow.m_settings.getPreset(*presetIdentifier->getGroupName(),
+            presetIdentifier->getCenterFrequency(),
+            *presetIdentifier->getName());
+
+    if (selectedPreset == 0) // save on a new preset
+    {
+        selectedPreset = m_mainWindow.m_settings.newPreset(*presetIdentifier->getGroupName(), *presetIdentifier->getName());
+    }
+    else
+    {
+        *error.getMessage() = QString("Preset already exists [%1, %2, %3]")
+                .arg(*presetIdentifier->getGroupName())
+                .arg(presetIdentifier->getCenterFrequency())
+                .arg(*presetIdentifier->getName());
+        return 409;
+    }
+
+    MainWindow::MsgSavePreset *msg = MainWindow::MsgSavePreset::create(const_cast<Preset*>(selectedPreset), deviceSetIndex, true);
     m_mainWindow.m_inputMessageQueue.push(msg);
 
     response.init();
diff --git a/sdrgui/webapi/webapiadaptergui.h b/sdrgui/webapi/webapiadaptergui.h
index 53c219c99..4f38a9e67 100644
--- a/sdrgui/webapi/webapiadaptergui.h
+++ b/sdrgui/webapi/webapiadaptergui.h
@@ -88,6 +88,11 @@ public:
             Swagger::SWGPresetIdentifier& response,
             Swagger::SWGErrorResponse& error);
 
+    virtual int instancePresetPost(
+            Swagger::SWGPresetTransfer& query,
+            Swagger::SWGPresetIdentifier& response,
+            Swagger::SWGErrorResponse& error);
+
 private:
     MainWindow& m_mainWindow;
 
diff --git a/swagger/sdrangel/api/swagger/swagger.yaml b/swagger/sdrangel/api/swagger/swagger.yaml
index 0a13cb5fc..b6fccb17b 100644
--- a/swagger/sdrangel/api/swagger/swagger.yaml
+++ b/swagger/sdrangel/api/swagger/swagger.yaml
@@ -279,7 +279,7 @@ paths:
         "501":
           description: Function not implemented
     put:
-      description: Save device set settings on a preset. Preset is updated if it already exists else it is created with the given name and group. If created given frequency and type is ignored and is determined with the device set values.
+      description: Update device set settings on an existing preset.
       operationId: instancePresetPut
       consumes: 
         - application/json
@@ -306,7 +306,7 @@ paths:
         "501":
           description: Function not implemented
     post:
-      description: Create a new preset from a device set settings
+      description: Create a new preset from a device set settings. Frequency and type is ignored and taken from the the device set values.
       operationId: instancePresetPost
       consumes: 
         - application/json
@@ -322,13 +322,15 @@ paths:
           description: On success return preset identification
           schema:
             $ref: "#/definitions/PresetIdentifier"
-        "400":
-          description: Invalid frequency
         "404":
           description: Device set not found
+          schema:
+            $ref: "#/definitions/ErrorResponse"
         "409":
           description: Preset already exists
-        "500":
+          schema:
+            $ref: "#/definitions/ErrorResponse"
+          "500":
           description: Error
           schema:
             $ref: "#/definitions/ErrorResponse"
diff --git a/swagger/sdrangel/code/html2/index.html b/swagger/sdrangel/code/html2/index.html
index e6fc65d91..95b9c8dce 100644
--- a/swagger/sdrangel/code/html2/index.html
+++ b/swagger/sdrangel/code/html2/index.html
@@ -1049,9 +1049,9 @@ margin-bottom: 20px;
       "description" : "Name of the preset group"
     },
     "centerFrequency" : {
-      "type" : "number",
-      "format" : "float",
-      "description" : "Center freqeuency in MHz"
+      "type" : "integer",
+      "format" : "int64",
+      "description" : "Center freqeuency in Hz"
     },
     "type" : {
       "type" : "string",
@@ -1068,9 +1068,9 @@ margin-bottom: 20px;
   "required" : [ "centerFrequency", "name", "type" ],
   "properties" : {
     "centerFrequency" : {
-      "type" : "number",
-      "format" : "float",
-      "description" : "Center freqeuency in MHz"
+      "type" : "integer",
+      "format" : "int64",
+      "description" : "Center freqeuency in Hz"
     },
     "type" : {
       "type" : "string",
@@ -6195,12 +6195,47 @@ $(document).ready(function() {
                                 </div>
                             </div>
 
-                            <h3> Status: 400 - Invalid frequency </h3>
+                            <h3> Status: 400 - Preset type and device set type mismatch </h3>
 
                             <ul class="nav nav-tabs nav-tabs-examples" >
+                                <li class="active">
+                                  <a data-toggle="tab" href="#responses-instancePresetPatch-400-schema">Schema</a>
+                                </li>
+
                             </ul>
 
                             <div class="tab-content" style='margin-bottom: 10px;'>
+                                <div class="tab-pane active" id="responses-instancePresetPatch-400-schema">
+                                  <div id='responses-instancePresetPatch-400-schema-400' style="padding: 30px; border-left: 1px solid #eee; border-right: 1px solid #eee; border-bottom: 1px solid #eee;">
+                                    <script>
+                                      $(document).ready(function() {
+                                        var schemaWrapper = {
+  "description" : "Preset type and device set type mismatch",
+  "schema" : {
+    "$ref" : "#/definitions/ErrorResponse"
+  }
+};
+                                        var schema = schemaWrapper.schema;
+                                        if (schema.$ref != null) {
+                                          schema = defsParser.$refs.get(schema.$ref);
+                                        } else {
+                                          schemaWrapper.definitions = Object.assign({}, defs);
+                                          $RefParser.dereference(schemaWrapper).catch(function(err) {
+                                            console.log(err);
+                                          });
+                                        }
+
+                                        //console.log(JSON.stringify(schema));
+                                        var view = new JSONSchemaView(schema, 3);
+                                        $('#responses-instancePresetPatch-400-schema-data').val(stringify(schema));
+                                        var result = $('#responses-instancePresetPatch-400-schema-400');
+                                        result.empty();
+                                        result.append(view.render());
+                                      });
+                                    </script>
+                                  </div>
+                                  <input id='responses-instancePresetPatch-400-schema-data' type='hidden' value=''></input>
+                                </div>
                             </div>
 
                             <h3> Status: 404 - No preset or device set found </h3>
@@ -6309,7 +6344,7 @@ $(document).ready(function() {
                         <div class="pull-right"></div>
                         <div class="clearfix"></div>
                         <p></p>
-                        <p class="marked">Create a new preset from a device set settings</p>
+                        <p class="marked">Create a new preset from a device set settings. Frequency and type is ignored and taken from the the device set values.</p>
                         <p></p>
                         <br />
                         <pre class="prettyprint language-html prettyprinted" data-type="post"><code><span class="pln">/sdrangel/preset</span></code></pre>
@@ -6598,42 +6633,61 @@ $(document).ready(function() {
                                 </div>
                             </div>
 
-                            <h3> Status: 400 - Invalid frequency </h3>
-
-                            <ul class="nav nav-tabs nav-tabs-examples" >
-                            </ul>
-
-                            <div class="tab-content" style='margin-bottom: 10px;'>
-                            </div>
-
                             <h3> Status: 404 - Device set not found </h3>
 
-                            <ul class="nav nav-tabs nav-tabs-examples" >
-                            </ul>
-
-                            <div class="tab-content" style='margin-bottom: 10px;'>
-                            </div>
-
-                            <h3> Status: 409 - Preset already exists </h3>
-
-                            <ul class="nav nav-tabs nav-tabs-examples" >
-                            </ul>
-
-                            <div class="tab-content" style='margin-bottom: 10px;'>
-                            </div>
-
-                            <h3> Status: 500 - Error </h3>
-
                             <ul class="nav nav-tabs nav-tabs-examples" >
                                 <li class="active">
-                                  <a data-toggle="tab" href="#responses-instancePresetPost-500-schema">Schema</a>
+                                  <a data-toggle="tab" href="#responses-instancePresetPost-404-schema">Schema</a>
                                 </li>
 
                             </ul>
 
                             <div class="tab-content" style='margin-bottom: 10px;'>
-                                <div class="tab-pane active" id="responses-instancePresetPost-500-schema">
-                                  <div id='responses-instancePresetPost-500-schema-500' style="padding: 30px; border-left: 1px solid #eee; border-right: 1px solid #eee; border-bottom: 1px solid #eee;">
+                                <div class="tab-pane active" id="responses-instancePresetPost-404-schema">
+                                  <div id='responses-instancePresetPost-404-schema-404' style="padding: 30px; border-left: 1px solid #eee; border-right: 1px solid #eee; border-bottom: 1px solid #eee;">
+                                    <script>
+                                      $(document).ready(function() {
+                                        var schemaWrapper = {
+  "description" : "Device set not found",
+  "schema" : {
+    "$ref" : "#/definitions/ErrorResponse"
+  }
+};
+                                        var schema = schemaWrapper.schema;
+                                        if (schema.$ref != null) {
+                                          schema = defsParser.$refs.get(schema.$ref);
+                                        } else {
+                                          schemaWrapper.definitions = Object.assign({}, defs);
+                                          $RefParser.dereference(schemaWrapper).catch(function(err) {
+                                            console.log(err);
+                                          });
+                                        }
+
+                                        //console.log(JSON.stringify(schema));
+                                        var view = new JSONSchemaView(schema, 3);
+                                        $('#responses-instancePresetPost-404-schema-data').val(stringify(schema));
+                                        var result = $('#responses-instancePresetPost-404-schema-404');
+                                        result.empty();
+                                        result.append(view.render());
+                                      });
+                                    </script>
+                                  </div>
+                                  <input id='responses-instancePresetPost-404-schema-data' type='hidden' value=''></input>
+                                </div>
+                            </div>
+
+                            <h3> Status: 409 - Error </h3>
+
+                            <ul class="nav nav-tabs nav-tabs-examples" >
+                                <li class="active">
+                                  <a data-toggle="tab" href="#responses-instancePresetPost-409-schema">Schema</a>
+                                </li>
+
+                            </ul>
+
+                            <div class="tab-content" style='margin-bottom: 10px;'>
+                                <div class="tab-pane active" id="responses-instancePresetPost-409-schema">
+                                  <div id='responses-instancePresetPost-409-schema-409' style="padding: 30px; border-left: 1px solid #eee; border-right: 1px solid #eee; border-bottom: 1px solid #eee;">
                                     <script>
                                       $(document).ready(function() {
                                         var schemaWrapper = {
@@ -6654,14 +6708,14 @@ $(document).ready(function() {
 
                                         //console.log(JSON.stringify(schema));
                                         var view = new JSONSchemaView(schema, 3);
-                                        $('#responses-instancePresetPost-500-schema-data').val(stringify(schema));
-                                        var result = $('#responses-instancePresetPost-500-schema-500');
+                                        $('#responses-instancePresetPost-409-schema-data').val(stringify(schema));
+                                        var result = $('#responses-instancePresetPost-409-schema-409');
                                         result.empty();
                                         result.append(view.render());
                                       });
                                     </script>
                                   </div>
-                                  <input id='responses-instancePresetPost-500-schema-data' type='hidden' value=''></input>
+                                  <input id='responses-instancePresetPost-409-schema-data' type='hidden' value=''></input>
                                 </div>
                             </div>
 
@@ -6685,7 +6739,7 @@ $(document).ready(function() {
                         <div class="pull-right"></div>
                         <div class="clearfix"></div>
                         <p></p>
-                        <p class="marked">Save device set settings on a preset</p>
+                        <p class="marked">Update device set settings on an existing preset.</p>
                         <p></p>
                         <br />
                         <pre class="prettyprint language-html prettyprinted" data-type="put"><code><span class="pln">/sdrangel/preset</span></code></pre>
@@ -6974,14 +7028,6 @@ $(document).ready(function() {
                                 </div>
                             </div>
 
-                            <h3> Status: 400 - Invalid frequency </h3>
-
-                            <ul class="nav nav-tabs nav-tabs-examples" >
-                            </ul>
-
-                            <div class="tab-content" style='margin-bottom: 10px;'>
-                            </div>
-
                             <h3> Status: 404 - No preset or device set found </h3>
 
                             <ul class="nav nav-tabs nav-tabs-examples" >
@@ -7393,7 +7439,7 @@ except ApiException as e:
           </div>
           <div id="generator">
             <div class="content">
-              Generated 2017-11-25T04:38:54.817+01:00
+              Generated 2017-11-25T18:28:10.878+01:00
             </div>
           </div>
       </div>