diff --git a/changelog.json b/changelog.json
index 8ee562b..64c6340 100644
--- a/changelog.json
+++ b/changelog.json
@@ -4,11 +4,13 @@
     "date": "",
     "en": [
       "Awards: the CW / Phone / Digital filter now applies to the whole award — bands, counts, confirmations and the contacts behind a cell — instead of only hiding rows from the reference list.",
-      "Yaesu and Kenwood: a new option lowers the DTR and RTS lines on connect, for interfaces that read either as PTT and keep the radio transmitting while OpsLog is open. Off by default — lowering them stops other interfaces transmitting at all."
+      "Yaesu and Kenwood: a new option lowers the DTR and RTS lines on connect, for interfaces that read either as PTT and keep the radio transmitting while OpsLog is open. Off by default — lowering them stops other interfaces transmitting at all.",
+      "Rig panels: the mouse wheel only moves a slider you have clicked on first. Scrolling the panel used to change whatever control the pointer happened to be over — including transmit power."
     ],
     "fr": [
       "Diplômes : le filtre CW / Phonie / Numérique s’applique désormais à tout le diplôme — bandes, comptes, confirmations et QSO derrière une case — au lieu de masquer seulement des lignes de la liste des références.",
-      "Yaesu et Kenwood : une option abaisse les lignes DTR et RTS à la connexion, pour les interfaces qui les lisent comme PTT et laissent la radio en émission tant qu’OpsLog est ouvert. Désactivée par défaut — les abaisser empêche d’autres interfaces d’émettre."
+      "Yaesu et Kenwood : une option abaisse les lignes DTR et RTS à la connexion, pour les interfaces qui les lisent comme PTT et laissent la radio en émission tant qu’OpsLog est ouvert. Désactivée par défaut — les abaisser empêche d’autres interfaces d’émettre.",
+      "Panneaux radio : la molette n’agit que sur un curseur préalablement cliqué. Faire défiler le panneau modifiait le réglage survolé par le pointeur — y compris la puissance d’émission."
     ]
   },
   {
diff --git a/frontend/src/components/FlexPanel.tsx b/frontend/src/components/FlexPanel.tsx
index d9c53f5..697bef1 100644
--- a/frontend/src/components/FlexPanel.tsx
+++ b/frontend/src/components/FlexPanel.tsx
@@ -86,6 +86,13 @@ function Slider({ value, onChange, disabled, accent = '#16a34a', step = 1, max =
     if (!el) return;
     const onWheel = (e: WheelEvent) => {
       if (disRef.current) return;
+      // The wheel only acts on a slider the operator has DELIBERATELY taken
+      // hold of — one that has focus. Hovering was enough before, so scrolling
+      // the panel with the pointer anywhere over these controls silently moved
+      // whatever sat under it: an IC-7800 owner watched his transmit power
+      // change on its own. Without focus the event is left alone and the panel
+      // scrolls, which is what the gesture was for.
+      if (document.activeElement !== el) return;
       e.preventDefault();
       const d = e.deltaY < 0 ? stepRef.current : -stepRef.current;
       const nv = Math.max(0, Math.min(maxRef.current, valRef.current + d));
diff --git a/frontend/src/components/IcomPanel.tsx b/frontend/src/components/IcomPanel.tsx
index 5dc9c7b..b759cae 100644
--- a/frontend/src/components/IcomPanel.tsx
+++ b/frontend/src/components/IcomPanel.tsx
@@ -125,6 +125,13 @@ function Slider({ value, onChange, disabled, accent = '#2563eb', step = 1 }: {
     if (!el) return;
     const onWheel = (e: WheelEvent) => {
       if (disRef.current) return;
+      // The wheel only acts on a slider the operator has DELIBERATELY taken
+      // hold of — one that has focus. Hovering was enough before, so scrolling
+      // the panel with the pointer anywhere over these controls silently moved
+      // whatever sat under it: an IC-7800 owner watched his transmit power
+      // change on its own. Without focus the event is left alone and the panel
+      // scrolls, which is what the gesture was for.
+      if (document.activeElement !== el) return;
       e.preventDefault();
       const d = e.deltaY < 0 ? stepRef.current : -stepRef.current;
       const nv = Math.max(0, Math.min(100, valRef.current + d));
diff --git a/frontend/src/components/YaesuPanel.tsx b/frontend/src/components/YaesuPanel.tsx
index 2506c0b..4c759b7 100644
--- a/frontend/src/components/YaesuPanel.tsx
+++ b/frontend/src/components/YaesuPanel.tsx
@@ -149,6 +149,13 @@ function Slider({ value, onChange, disabled, accent = 'var(--primary)', min = 0,
     if (!el) return;
     const onWheel = (e: WheelEvent) => {
       if (disRef.current) return;
+      // The wheel only acts on a slider the operator has DELIBERATELY taken
+      // hold of — one that has focus. Hovering was enough before, so scrolling
+      // the panel with the pointer anywhere over these controls silently moved
+      // whatever sat under it: an IC-7800 owner watched his transmit power
+      // change on its own. Without focus the event is left alone and the panel
+      // scrolls, which is what the gesture was for.
+      if (document.activeElement !== el) return;
       e.preventDefault();
       const nv = Math.max(minRef.current, Math.min(maxRef.current, valRef.current + (e.deltaY < 0 ? 1 : -1)));
       if (nv !== valRef.current) cbRef.current(nv);