more rcmap select box options and tooltip with visual clue

_locales/en/messages.json

@@ -446,6 +446,9 @@
     "receiverChannelMap": {
         "message": "Channel Map"
     },
+    "receiverChannelMapTitle": {
+        "message": "You can define your own channel map by clicking inside the box"
+    },
     "receiverRssiAux": {
         "message": "RSSI on AUX"
     },

tabs/receiver.css

@@ -172,6 +172,9 @@
     border-bottom: 1px solid #8b8b8b;
     background-color: #ececec;
 }
+.tab-receiver .rcmap_wrapper .head span {
+    border-bottom: 1px dashed silver;
+}
 .tab-receiver .hybrid_element input {
     position: absolute;
 

tabs/receiver.html

@@ -33,12 +33,15 @@
             </select>
         </div>
         <div class="rcmap_wrapper">
-            <div class="head" i18n="receiverChannelMap"></div>
+            <div class="head">
+                <span i18n="receiverChannelMap" i18n_title="receiverChannelMapTitle"></span>
+            </div>
             <div class="hybrid_element">
                 <input type="text" name="rcmap" spellcheck="false" />
                 <select class="hybrid_helper" name="rcmap_helper">
-                    <option value="AETR1234">AETR1234 - default</option>
-                    <option value="TAER1234">TAER1234 - frsky</option>
+                    <option value="AETR1234">Default</option>
+                    <option value="AETR1234">Futaba / Hitec</option>
+                    <option value="TAER1234">JR / Spektrum</option>
                 </select>
             </div>
         </div>