diff --git a/tools/chatgui/src/ptt_hotkey_manager.cpp b/tools/chatgui/src/ptt_hotkey_manager.cpp
index bd52a81b..6416d457 100644
--- a/tools/chatgui/src/ptt_hotkey_manager.cpp
+++ b/tools/chatgui/src/ptt_hotkey_manager.cpp
@@ -129,9 +129,16 @@ void PttHotkeyManager::pollKeys() {
         m_talking = false;
         return;
     }
-    if (m_capturing && !m_captureArmed && held.isEmpty()) m_captureArmed = true;
+    if (m_capturing && !m_captureArmed && held.isEmpty()) {
+        m_captureArmed = true;
+        DEBUG_INFO(DEBUG_CATEGORY_RADIO, "PTT: capture armed after all keys released");
+    }
     bool changed = held != m_held;
     m_held = held;
+    if (m_capturing && changed) {
+        DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "PTT: capture poll armed=%d held=[%s] codes=[%s] application_state=%d",
+                    m_captureArmed, qPrintable(describe(held)), qPrintable(pttEncodeChord(held)), int(QGuiApplication::applicationState()));
+    }
     bool talking = false;
     if (!m_capturing && RadioAudioEngine::instance()->isActive()) {
         for (const auto& chord : m_chords) if (pttChordHeld(chord, held)) { talking = true; break; }
@@ -160,14 +167,20 @@ bool PttHotkeyManager::beginCapture() {
     m_captureArmed = held.isEmpty(); // ждём отпускания клавиши, которой нажали кнопку
     m_talking = false;
     RadioAudioEngine::instance()->setHotkeyTalking(false);
-    DEBUG_DEBUG(DEBUG_CATEGORY_RADIO, "PTT: key capture started");
+    DEBUG_INFO(DEBUG_CATEGORY_RADIO, "PTT: capture started armed=%d held=[%s] codes=[%s] platform=%s interval=%dms",
+               m_captureArmed, qPrintable(describe(held)), qPrintable(pttEncodeChord(held)),
+               qPrintable(QGuiApplication::platformName()), m_timer.interval());
+    if (!m_captureArmed) {
+        DEBUG_INFO(DEBUG_CATEGORY_RADIO, "PTT: capture waiting for ALL keys to be released; keys pressed meanwhile are ignored");
+    }
     return true;
 }
 
 void PttHotkeyManager::endCapture() {
     if (!m_capturing) return;
     m_capturing = false;
-    DEBUG_DEBUG(DEBUG_CATEGORY_RADIO, "PTT: key capture finished");
+    DEBUG_INFO(DEBUG_CATEGORY_RADIO, "PTT: capture finished armed=%d polling=%d last_held=[%s] codes=[%s]",
+               m_captureArmed, m_timer.isActive(), qPrintable(describe(m_held)), qPrintable(pttEncodeChord(m_held)));
 }
 
 QString PttHotkeyManager::keyName(int key) const {
diff --git a/tools/chatgui/src/radiosettingspage.cpp b/tools/chatgui/src/radiosettingspage.cpp
index dc23fe97..a372e926 100644
--- a/tools/chatgui/src/radiosettingspage.cpp
+++ b/tools/chatgui/src/radiosettingspage.cpp
@@ -15,6 +15,10 @@
 #include <QFormLayout>
 #include <QSpinBox>
 #include <QCheckBox>
+#include <QKeyEvent>
+#ifdef Q_OS_WIN
+#include <qt_windows.h>
+#endif
 
 RadioSettingsPage::RadioSettingsPage(DbManager* db, QWidget* parent) : QWidget(parent), m_db(db) {
     auto* layout = new QVBoxLayout(this);
@@ -136,6 +140,7 @@ RadioSettingsPage::~RadioSettingsPage() {
 
 void RadioSettingsPage::startCapture(int index) {
     finishCapture(false);
+    DEBUG_INFO(DEBUG_CATEGORY_RADIO, "PTT: recording requested slot=%d", index + 1);
     if (!PttHotkeyManager::instance()->beginCapture()) {
         m_labels[index]->setText(QCoreApplication::translate("ChatGui", "Failed to start key recording. See the radio log for details."));
         return;
@@ -152,7 +157,11 @@ void RadioSettingsPage::finishCapture(bool save) {
     int index = m_captureIndex;
     if (save) {
         m_chords[index] = m_capture.candidate;
-        DEBUG_INFO(DEBUG_CATEGORY_RADIO, "PTT: captured chord=%s", qPrintable(PttHotkeyManager::instance()->describe(m_capture.candidate)));
+        DEBUG_INFO(DEBUG_CATEGORY_RADIO, "PTT: captured slot=%d chord=[%s] codes=[%s]", index + 1,
+                   qPrintable(PttHotkeyManager::instance()->describe(m_capture.candidate)), qPrintable(pttEncodeChord(m_capture.candidate)));
+    } else {
+        DEBUG_INFO(DEBUG_CATEGORY_RADIO, "PTT: recording cancelled slot=%d candidate=[%s]", index + 1,
+                   qPrintable(pttEncodeChord(m_capture.candidate)));
     }
     m_captureIndex = -1;
     qApp->removeEventFilter(this);
@@ -164,7 +173,26 @@ void RadioSettingsPage::finishCapture(bool save) {
 bool RadioSettingsPage::eventFilter(QObject* object, QEvent* event) {
     if (m_captureIndex >= 0) {
         if (event->type() == QEvent::ShortcutOverride) { event->accept(); return true; }
-        if (event->type() == QEvent::KeyPress || event->type() == QEvent::KeyRelease) return true;
+        if (event->type() == QEvent::KeyPress || event->type() == QEvent::KeyRelease) {
+            auto* key = static_cast<QKeyEvent*>(event);
+            // Только ручная запись: сравниваем доставку событий окну с независимым опросом ОС.
+            if (!key->isAutoRepeat()) {
+                DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "PTT: capture window event=%s slot=%d qt=0x%x native_vk=%u scan=%u modifiers=0x%x",
+                            event->type() == QEvent::KeyPress ? "press" : "release", m_captureIndex + 1,
+                            unsigned(key->key()), unsigned(key->nativeVirtualKey()), unsigned(key->nativeScanCode()),
+                            unsigned(key->nativeModifiers()));
+#ifdef Q_OS_WIN
+                int vk = int(key->nativeVirtualKey());
+                if (vk > 0 && vk < 256) {
+                    unsigned asyncState = static_cast<unsigned short>(GetAsyncKeyState(vk));
+                    unsigned queueState = static_cast<unsigned short>(GetKeyState(vk));
+                    DEBUG_DEBUG(DEBUG_CATEGORY_DEBUG, "PTT: capture Windows vk=%d async=0x%04x queue=0x%04x remote_session=%d",
+                                vk, asyncState, queueState, GetSystemMetrics(SM_REMOTESESSION));
+                }
+#endif
+            }
+            return true;
+        }
     }
     return QWidget::eventFilter(object, event);
 }