diff --git a/client/public/version.js b/client/public/version.js
index e39ab5d..b6efac7 100644
--- a/client/public/version.js
+++ b/client/public/version.js
@@ -1,5 +1,5 @@
 // Maintainer-controlled web client version.
 // Format: YYYY.MM.DD Rn (example: 2026.02.20 R2)
-window.CHGRID_WEB_VERSION = "2026.02.28 R305";
+window.CHGRID_WEB_VERSION = "2026.02.28 R306";
 // Optional display timezone for timestamps. Falls back to America/Detroit if unset/invalid.
 window.CHGRID_TIME_ZONE = "America/Detroit";
diff --git a/client/src/items/itemPropertyEditor.ts b/client/src/items/itemPropertyEditor.ts
index 8d3857c..63607b2 100644
--- a/client/src/items/itemPropertyEditor.ts
+++ b/client/src/items/itemPropertyEditor.ts
@@ -91,7 +91,7 @@ export function createItemPropertyEditor(deps: EditorDeps): {
       deps.sfxUiBlip();
       return;
     }
-    if (code === 'ArrowLeft' || code === 'ArrowRight') {
+    if (code === 'ArrowLeft' || code === 'ArrowRight' || code === 'PageUp' || code === 'PageDown') {
       const selectedKey = deps.state.itemPropertyKeys[deps.state.itemPropertyIndex];
       if (!deps.isItemPropertyEditable(item, selectedKey)) {
         deps.updateStatus(`${deps.itemPropertyLabel(selectedKey)} is not editable.`);
@@ -105,7 +105,15 @@ export function createItemPropertyEditor(deps: EditorDeps): {
           0,
           options.findIndex((option) => option.toLowerCase() === currentRaw),
         );
-        const delta = code === 'ArrowRight' ? 1 : -1;
+        const pageJump = Math.min(10, Math.max(1, options.length - 1));
+        const delta =
+          code === 'ArrowRight'
+            ? 1
+            : code === 'ArrowLeft'
+              ? -1
+              : code === 'PageDown'
+                ? pageJump
+                : -pageJump;
         const nextIndex = (currentIndex + delta + options.length) % options.length;
         const nextValue = options[nextIndex];
         deps.suppressItemPropertyEchoMs(600);
@@ -137,7 +145,8 @@ export function createItemPropertyEditor(deps: EditorDeps): {
           : Number.isFinite(min)
             ? min
             : 0;
-        const delta = code === 'ArrowRight' ? step : -step;
+        const multiplier = code === 'PageUp' || code === 'PageDown' ? 10 : 1;
+        const delta = (code === 'ArrowRight' || code === 'PageUp' ? step : -step) * multiplier;
         const anchor = Number.isFinite(min) ? min : 0;
         const attempted = snapNumberToStep(currentValue + delta, step, anchor);
         let nextValue = attempted;
diff --git a/docs/controls.md b/docs/controls.md
index bb1295a..f13fe0e 100644
--- a/docs/controls.md
+++ b/docs/controls.md
@@ -74,6 +74,7 @@ This document is the authoritative keymap for the client.
 Applies to effect select, user/item list modes, item selection, item property list, and property option select.
 
 - `ArrowUp` / `ArrowDown`: Move selection
+- `PageUp` / `PageDown` in item property list: Jump 10 values for left/right-editable option fields
 - `PageUp` / `PageDown` in item property option select: Jump 10 options backward/forward
 - `ArrowLeft` / `ArrowRight` in user list: Lower/raise selected user listen volume (`0.5..4.0`)
 - `Enter`: Confirm selection