src/trx-client/trx-frontend/trx-frontend-http/assets/web/app.js

@@ -1305,6 +1305,10 @@ async function refreshRigList() {
       }
     });
     serverRigs = rigs;
+    window.trxUi?.setBroadcastLayoutAvailable(rigs.some((rig) =>
+      Array.isArray(rig?.supported_modes)
+      && rig.supported_modes.map(normalizeMode).includes("WFM")
+    ));
     serverActiveRigId = data.active_remote || null;
     applyRigList(data.active_remote, rigIds, displayNames);
     window.trx.modules.map?.syncAprsReceiverMarker();

src/trx-client/trx-frontend/trx-frontend-http/assets/web/ui-core.js

@@ -127,14 +127,39 @@
 
   const layouts = {
     compact: { label: "Compact", advanced: false, preferredTab: "main" },
-    broadcast: { label: "Broadcast", advanced: false, preferredTab: "main" },
+    broadcast: { label: "Broadcast", advanced: false, preferredTab: "main", capability: "broadcast" },
     digital: { label: "Digital", advanced: false, preferredTab: "digital-modes" },
     full: { label: "Full controls", advanced: true, preferredTab: "main" },
   };
+  let hasBroadcastRig = false;
+
+  function broadcastLayoutAvailable() {
+    return hasBroadcastRig;
+  }
+
+  function refreshLayoutOptions() {
+    const select = document.getElementById("operator-layout-select");
+    if (!select) return;
+    const previous = select.value || document.body.dataset.operatorLayout || "compact";
+    select.replaceChildren();
+    Object.entries(layouts).forEach(([value, layout]) => {
+      if (layout.capability === "broadcast" && !broadcastLayoutAvailable()) return;
+      select.add(new Option(layout.label, value));
+    });
+    const available = Array.from(select.options).some(option => option.value === previous);
+    select.value = available ? previous : "compact";
+    if (!available && previous === "broadcast") api.applyLayout("compact");
+  }
+
+  api.setBroadcastLayoutAvailable = function setBroadcastLayoutAvailable(available) {
+    hasBroadcastRig = Boolean(available);
+    refreshLayoutOptions();
+  };
 
   api.applyLayout = function applyLayout(name, options = {}) {
-    const layout = layouts[name] || layouts.compact;
+    const permittedName = name === "broadcast" && !broadcastLayoutAvailable() ? "compact" : name;
-    document.body.dataset.operatorLayout = name in layouts ? name : "compact";
+    const layout = layouts[permittedName] || layouts.compact;
+    document.body.dataset.operatorLayout = permittedName in layouts ? permittedName : "compact";
     localStorage.setItem("trxOperatorLayout", document.body.dataset.operatorLayout);
     const details = document.getElementById("advanced-radio-controls");
     if (details) details.open = layout.advanced;
@@ -150,10 +175,12 @@
       label.className = "operator-layout-picker";
       label.innerHTML = '<span class="visually-hidden">Operator layout</span><select id="operator-layout-select" aria-label="Operator layout"></select>';
       const select = label.querySelector("select");
-      Object.entries(layouts).forEach(([value, layout]) => select.add(new Option(layout.label, value)));
+      const savedLayout = localStorage.getItem("trxOperatorLayout") || "compact";
-      select.value = localStorage.getItem("trxOperatorLayout") || "compact";
-      select.addEventListener("change", () => api.applyLayout(select.value, { navigate: true }));
       actions.insertBefore(label, actions.firstChild);
+      select.value = savedLayout;
+      refreshLayoutOptions();
+      if (savedLayout !== "broadcast" && layouts[savedLayout]) select.value = savedLayout;
+      select.addEventListener("change", () => api.applyLayout(select.value, { navigate: true }));
       api.applyLayout(select.value);
     }
 

src/trx-client/trx-frontend/trx-frontend-http/src/api/rig.rs

@@ -388,6 +388,7 @@ struct RigListItem {
     display_name: Option<String>,
     manufacturer: String,
     model: String,
+    supported_modes: Vec<trx_core::RigMode>,
     initialized: bool,
     #[serde(skip_serializing_if = "Option::is_none")]
     latitude: Option<f64>,
@@ -422,6 +423,7 @@ fn map_rig_entry(entry: &RemoteRigEntry) -> RigListItem {
         display_name: entry.display_name.clone(),
         manufacturer: entry.state.info.manufacturer.clone(),
         model: entry.state.info.model.clone(),
+        supported_modes: entry.state.info.capabilities.supported_modes.clone(),
         initialized: entry.state.initialized,
         latitude: entry.state.server_latitude,
         longitude: entry.state.server_longitude,