fix: bug where scope is now showing on IC7300

frontend/src/components/IcomPanel.tsx

@@ -58,6 +58,21 @@ const BANDS: { l: string; hz: number }[] = [
 // SSB by frequency and the rig's data variant for digital modes.
 const MODES = ['SSB', 'CW', 'RTTY', 'PSK', 'AM', 'FM'];
 
+// Attenuator steps are MODEL-dependent even though the CI-V command (0x11) is the
+// same: the value byte is the dB. The IC-7610 (and 7700/7800/7851) have a 6/12/18
+// dB stepped attenuator; the IC-7300/705/7100 have a single 20 dB attenuator; the
+// IC-9700 a single 10 dB. Offering the wrong steps = a dead button (the rig NAKs
+// e.g. 6 dB on a 7300). Default to the common single 20 dB for unknown models.
+function attOptions(model?: string): { v: string; l: string }[] {
+  const m = (model ?? '').toUpperCase();
+  const OFF = { v: '0', l: 'OFF' };
+  if (/(7610|7700|7800|7850|7851)/.test(m)) {
+    return [OFF, { v: '6', l: '6dB' }, { v: '12', l: '12dB' }, { v: '18', l: '18dB' }];
+  }
+  if (m.includes('9700')) return [OFF, { v: '10', l: '10dB' }];
+  return [OFF, { v: '20', l: '20dB' }]; // IC-7300 / IC-705 / IC-7100 / default
+}
+
 // fmtVFO renders a Hz frequency the way an Icom front panel does:
 // MHz "." 3-digit-kHz "." 2-digit-(10 Hz). 21032000 → "21.032.00".
 function fmtVFO(hz?: number): string {
@@ -534,7 +549,7 @@ function ScopePanadapter() {
 // Unlike the Flex (which pushes state), the Icom is polled: meters/TX state are
 // read every cache cycle; DSP set-controls are optimistic and reconcile on the
 // next poll. Front-panel knob changes for DSP show after ↻ Refresh.
-export function IcomPanel({ onReportRST }: { onReportRST?: (rst: string) => void } = {}) {
+export function IcomPanel({ onReportRST, isNetwork = false }: { onReportRST?: (rst: string) => void; isNetwork?: boolean } = {}) {
   const { t } = useI18n();
   const [st, setSt] = useState<IcomState>(ZERO);
   const [cat, setCat] = useState<any>(null); // RigState (freq/mode/split) for the VFO display
@@ -637,16 +652,22 @@ export function IcomPanel({ onReportRST }: { onReportRST?: (rst: string) => void
           {st.split ? <span className="rounded-md bg-warning/20 px-1.5 py-0.5 text-[10px] font-bold uppercase tracking-wider text-warning">Split</span> : null}
         </div>
         <div className="flex items-center gap-1.5">
-          {/* Radio power ON / OFF. Manual by design — the app never wakes the rig
-              on connect; ON sends the wake preamble then the rig boots ~15 s. */}
-          <button type="button" onClick={() => IcomSetPower(true).catch(() => {})} title={t('icmp.powerOnHint')}
-            className="inline-flex items-center gap-1 rounded-md border border-success/60 bg-success/10 px-2 py-1 text-xs font-bold text-success hover:bg-success/20">
-            <Power className="size-3.5" /> ON
-          </button>
-          <button type="button" onClick={() => IcomSetPower(false).catch(() => {})} title={t('icmp.powerOffHint')}
-            className="inline-flex items-center gap-1 rounded-md border border-destructive/60 bg-destructive/10 px-2 py-1 text-xs font-bold text-destructive hover:bg-destructive/20">
-            <Power className="size-3.5" /> OFF
-          </button>
+          {/* Radio power ON / OFF — NETWORK only. Over USB the CI-V interface is
+              unpowered while the rig is off, so power-ON can't reach it (OFF works
+              but ON doesn't); hiding both avoids a dead button. On the network the
+              rig's LAN server stays alive in standby, so both work. */}
+          {isNetwork && (
+            <>
+              <button type="button" onClick={() => IcomSetPower(true).catch(() => {})} title={t('icmp.powerOnHint')}
+                className="inline-flex items-center gap-1 rounded-md border border-success/60 bg-success/10 px-2 py-1 text-xs font-bold text-success hover:bg-success/20">
+                <Power className="size-3.5" /> ON
+              </button>
+              <button type="button" onClick={() => IcomSetPower(false).catch(() => {})} title={t('icmp.powerOffHint')}
+                className="inline-flex items-center gap-1 rounded-md border border-destructive/60 bg-destructive/10 px-2 py-1 text-xs font-bold text-destructive hover:bg-destructive/20">
+                <Power className="size-3.5" /> OFF
+              </button>
+            </>
+          )}
         </div>
       </div>
 
@@ -804,7 +825,7 @@ export function IcomPanel({ onReportRST }: { onReportRST?: (rst: string) => void
             onChange={(v) => set({ preamp: parseInt(v) }, () => IcomSetPreamp(parseInt(v)))} />
         </Row>
         <Row label="Att">
-          <Segmented value={String(st.att)} options={[{ v: '0', l: 'OFF' }, { v: '6', l: '6dB' }, { v: '12', l: '12dB' }, { v: '18', l: '18dB' }]}
+          <Segmented value={String(st.att)} options={attOptions(cat?.rig)}
             onChange={(v) => set({ att: parseInt(v) }, () => IcomSetAtt(parseInt(v)))} />
         </Row>
         <Row label={t('icmp.filter')}>