[feat](trx-frontend-http): add keyboard hotkeys for radio controls
Map R=retune, B=previous state, [/]=bandwidth ±10kHz, arrows=tune/center, M=mode picker, Z=mono/stereo, N=noise blanker, Q=squelch toggle. Document all shortcuts in the F1 help overlay. https://claude.ai/code/session_01WDC889uQGW9XoPQqSZ6bVt Signed-off-by: Claude <noreply@anthropic.com>
This commit is contained in:
Claude
@@ -631,6 +631,45 @@ let jogAngle = 0;
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let lastClientCount = null;
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let lastLocked = false;
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let sdrSquelchSupported = false;
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// ── Previous-state tracking for "B" hotkey ────────────────────────────────────
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let previousTuneState = null; // { freqHz, bandwidthHz, mode, centerHz }
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function savePreviousTuneState() {
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previousTuneState = {
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freqHz: lastFreqHz,
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bandwidthHz: currentBandwidthHz,
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mode: modeEl ? modeEl.value : "",
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centerHz: lastSpectrumData ? Number(lastSpectrumData.center_hz) : null,
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};
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}
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async function restorePreviousTuneState() {
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if (!previousTuneState) {
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showHint("No previous state", 1500);
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return;
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}
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const saved = previousTuneState;
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savePreviousTuneState(); // save current as previous so B toggles back
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if (saved.mode && modeEl && modeEl.value !== saved.mode) {
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modeEl.value = saved.mode;
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await postPath(`/set_mode?mode=${encodeURIComponent(saved.mode)}`);
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updateWfmControls();
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}
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if (Number.isFinite(saved.bandwidthHz) && saved.bandwidthHz !== currentBandwidthHz) {
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currentBandwidthHz = saved.bandwidthHz;
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window.currentBandwidthHz = currentBandwidthHz;
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syncBandwidthInput(currentBandwidthHz);
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await postPath(`/set_bandwidth?hz=${saved.bandwidthHz}`);
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}
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if (Number.isFinite(saved.freqHz)) {
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setRigFrequency(saved.freqHz);
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}
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if (Number.isFinite(saved.centerHz)) {
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await postPath(`/set_center_freq?hz=${saved.centerHz}`);
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}
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showHint("Restored previous", 1500);
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}
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let lastRigIds = [];
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let lastRigDisplayNames = {};
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let lastActiveRigId = null;
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@@ -1850,6 +1889,7 @@ function applyLocalTunedFrequency(hz, forceDisplay = false) {
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const freqChanged = lastFreqHz !== hz;
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if (!freqChanged && !forceDisplay) return;
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if (freqChanged) {
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if (lastFreqHz != null) savePreviousTuneState();
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primaryRds = null;
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resetRdsDisplay();
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resetWfmStereoIndicator();
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@@ -10347,17 +10387,151 @@ window.addEventListener("keydown", (event) => {
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return;
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}
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// R — retune current frequency (re-send same settings)
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if (key === "r") {
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event.preventDefault();
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if (lastFreqHz != null) {
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showHint("Retuning…", 1200);
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setRigFrequency(lastFreqHz);
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}
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return;
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}
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// B — jump to previous frequency/bw/mode/decode state
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if (key === "b") {
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event.preventDefault();
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void restorePreviousTuneState();
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return;
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}
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// [ — narrow bandwidth by 10 kHz
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if (key === "[") {
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event.preventDefault();
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const [, minBw] = mwDefaultsForMode(modeEl ? modeEl.value : "USB");
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const next = Math.max(minBw, currentBandwidthHz - 10_000);
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if (next !== currentBandwidthHz) {
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currentBandwidthHz = next;
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window.currentBandwidthHz = currentBandwidthHz;
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syncBandwidthInput(next);
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positionFastOverlay(lastFreqHz, next);
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if (lastSpectrumData) scheduleSpectrumDraw();
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postPath(`/set_bandwidth?hz=${next}`).catch(() => {});
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showHint(`BW ${formatBwLabel(next)}`, 1200);
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}
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return;
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}
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// ] — widen bandwidth by 10 kHz
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if (key === "]") {
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event.preventDefault();
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const [, , maxBw] = mwDefaultsForMode(modeEl ? modeEl.value : "USB");
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const next = Math.min(maxBw, currentBandwidthHz + 10_000);
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if (next !== currentBandwidthHz) {
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currentBandwidthHz = next;
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window.currentBandwidthHz = currentBandwidthHz;
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syncBandwidthInput(next);
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positionFastOverlay(lastFreqHz, next);
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if (lastSpectrumData) scheduleSpectrumDraw();
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postPath(`/set_bandwidth?hz=${next}`).catch(() => {});
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showHint(`BW ${formatBwLabel(next)}`, 1200);
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}
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return;
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}
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// Left/Right arrows — retune by current jog step
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if (key === "arrowleft" || key === "arrowright") {
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event.preventDefault();
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jogFreq(key === "arrowright" ? 1 : -1);
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return;
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}
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// Up/Down arrows — shift center (spectrum) frequency
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if (key === "arrowup" || key === "arrowdown") {
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event.preventDefault();
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void shiftSpectrumCenter(key === "arrowup" ? 1 : -1);
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return;
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}
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// M — open mode picker
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if (key === "m") {
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event.preventDefault();
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if (modeEl && !modeEl.disabled) {
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modeEl.focus();
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modeEl.click();
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// Attempt to programmatically open the <select> via showPicker (modern browsers)
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if (typeof modeEl.showPicker === "function") {
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try { modeEl.showPicker(); } catch (_) {}
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}
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}
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return;
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}
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// Z — toggle mono/stereo (WFM)
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if (key === "z") {
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event.preventDefault();
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if (wfmAudioModeEl) {
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const next = wfmAudioModeEl.value === "mono" ? "stereo" : "mono";
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wfmAudioModeEl.value = next;
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saveSetting("wfmAudioMode", next);
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const enabled = next !== "mono";
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postPath(`/set_wfm_stereo?enabled=${enabled ? "true" : "false"}`).catch(() => {});
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showHint(next === "stereo" ? "Stereo" : "Mono", 1200);
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} else {
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showHint("Stereo N/A", 1200);
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}
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return;
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}
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// N — toggle noise blanker
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if (key === "n") {
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event.preventDefault();
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if (sdrNbSupported && sdrNbEnabledEl) {
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sdrNbEnabledEl.checked = !sdrNbEnabledEl.checked;
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submitSdrNbState();
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showHint(sdrNbEnabledEl.checked ? "NB On" : "NB Off", 1200);
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} else {
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showHint("NB N/A", 1200);
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}
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return;
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}
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// Q — toggle squelch (cycle 0 → auto → 0)
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if (key === "q") {
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event.preventDefault();
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if (sdrSquelchSupported && sdrSquelchEl) {
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const current = clampSdrSquelchPercent(Number(sdrSquelchEl.value));
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let nextPct;
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if (current > 0) {
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nextPct = 0; // turn off
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} else {
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// Auto: estimate from noise floor
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let auto = 30;
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const data = lastSpectrumData || window.lastSpectrumData;
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if (data && Array.isArray(data.bins) && data.bins.length > 0) {
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const noiseDb = estimateNoiseFloorDb(data.bins);
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if (noiseDb != null && Number.isFinite(noiseDb)) {
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const thresholdDb = noiseDb + 6;
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const clamped = Math.max(SDR_SQUELCH_MIN_DB, Math.min(SDR_SQUELCH_MAX_DB, thresholdDb));
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auto = clampSdrSquelchPercent(
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((clamped - SDR_SQUELCH_MIN_DB) / (SDR_SQUELCH_MAX_DB - SDR_SQUELCH_MIN_DB)) * 100,
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);
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}
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}
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nextPct = auto;
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}
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sdrSquelchEl.value = String(nextPct);
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updateSdrSquelchPctLabel();
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saveSetting("sdrSquelchPct", nextPct);
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submitSdrSquelchPercent(nextPct);
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showHint(nextPct > 0 ? `Squelch ${nextPct}%` : "Squelch Off", 1200);
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} else {
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showHint("Squelch N/A", 1200);
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}
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return;
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}
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// Spectrum keyboard navigation
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if (lastSpectrumData && spectrumCanvas) {
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// Arrow Left/Right — pan spectrum
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if (key === "arrowleft" || key === "arrowright") {
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event.preventDefault();
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const step = 0.1 / spectrumZoom;
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spectrumPanFrac += key === "arrowleft" ? -step : step;
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scheduleSpectrumDraw();
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scheduleOverviewDraw();
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return;
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}
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// +/= — zoom in
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if (key === "+" || key === "=") {
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event.preventDefault();
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@@ -1165,7 +1165,18 @@
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<div class="shortcut-overlay-title">Keyboard Shortcuts</div>
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<table class="shortcut-table">
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<tbody>
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<tr><td class="shortcut-key"><kbd>R</kbd></td><td>Retune current frequency</td></tr>
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<tr><td class="shortcut-key"><kbd>B</kbd></td><td>Jump to previous freq/bw/mode</td></tr>
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<tr><td class="shortcut-key"><kbd>[</kbd> / <kbd>]</kbd></td><td>Narrow / widen bandwidth (±10 kHz)</td></tr>
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<tr><td class="shortcut-key"><kbd>←</kbd> / <kbd>→</kbd></td><td>Tune by current step</td></tr>
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<tr><td class="shortcut-key"><kbd>↑</kbd> / <kbd>↓</kbd></td><td>Shift center frequency</td></tr>
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<tr><td class="shortcut-key"><kbd>M</kbd></td><td>Open mode picker</td></tr>
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<tr><td class="shortcut-key"><kbd>Z</kbd></td><td>Toggle mono / stereo (WFM)</td></tr>
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<tr><td class="shortcut-key"><kbd>N</kbd></td><td>Toggle noise blanker</td></tr>
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<tr><td class="shortcut-key"><kbd>Q</kbd></td><td>Toggle squelch (off / auto)</td></tr>
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<tr><td class="shortcut-key"><kbd>S</kbd></td><td>Spectrum screenshot</td></tr>
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<tr><td class="shortcut-key"><kbd>+</kbd> / <kbd>-</kbd></td><td>Zoom spectrum in / out</td></tr>
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<tr><td class="shortcut-key"><kbd>0</kbd></td><td>Reset spectrum zoom</td></tr>
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<tr><td class="shortcut-key"><kbd>F1</kbd></td><td>Toggle this help</td></tr>
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<tr><td class="shortcut-key"><kbd>Esc</kbd></td><td>Close overlay / exit fullscreen</td></tr>
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</tbody>
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