diff --git a/examples/companion_radio/NodePrefs.h b/examples/companion_radio/NodePrefs.h
index c3707dbc..9fdfe39f 100644
--- a/examples/companion_radio/NodePrefs.h
+++ b/examples/companion_radio/NodePrefs.h
@@ -471,7 +471,7 @@ struct NodePrefs {  // persisted to file
     return S[idx < GPS_AVG_COUNT ? idx : 0];
   }
   static const char* gpsAvgLabel(uint8_t idx) {
-    static const char* L[GPS_AVG_COUNT] = { "Off", "5s", "10s", "30s" };
+    static const char* L[GPS_AVG_COUNT] = { "OFF", "5s", "10s", "30s" };
     return L[idx < GPS_AVG_COUNT ? idx : 0];
   }
 
@@ -482,7 +482,7 @@ struct NodePrefs {  // persisted to file
     return S[idx < TRAIL_AUTOPAUSE_COUNT ? idx : 0];
   }
   static const char* trailAutoPauseLabel(uint8_t idx) {
-    static const char* L[TRAIL_AUTOPAUSE_COUNT] = { "Off", "1m", "2m", "5m" };
+    static const char* L[TRAIL_AUTOPAUSE_COUNT] = { "OFF", "1m", "2m", "5m" };
     return L[idx < TRAIL_AUTOPAUSE_COUNT ? idx : 0];
   }
   // Movement under this many metres counts as "stationary" for auto-pause.
diff --git a/examples/companion_radio/ui-new/AutoAdvertScreen.h b/examples/companion_radio/ui-new/AutoAdvertScreen.h
index 87e032fd..4bbc164c 100644
--- a/examples/companion_radio/ui-new/AutoAdvertScreen.h
+++ b/examples/companion_radio/ui-new/AutoAdvertScreen.h
@@ -69,4 +69,4 @@ public:
 };
 
 const uint32_t AutoAdvertScreen::OPTS[AutoAdvertScreen::OPT_COUNT]       = { 0, 30, 60, 120, 300, 600, 1800, 3600 };
-const char*    AutoAdvertScreen::OPT_LABELS[AutoAdvertScreen::OPT_COUNT] = { "off", "30s", "1min", "2min", "5min", "10min", "30min", "1h" };
+const char*    AutoAdvertScreen::OPT_LABELS[AutoAdvertScreen::OPT_COUNT] = { "OFF", "30s", "1min", "2min", "5min", "10min", "30min", "1h" };
diff --git a/examples/companion_radio/ui-new/GpioScreen.h b/examples/companion_radio/ui-new/GpioScreen.h
index 3918ccf9..c4320538 100644
--- a/examples/companion_radio/ui-new/GpioScreen.h
+++ b/examples/companion_radio/ui-new/GpioScreen.h
@@ -69,12 +69,12 @@ class GpioScreen : public UIScreen {
         else strncpy(buf, "Analog", n);
         break;
       }
-      default: strncpy(buf, "Off", n); break;
+      default: strncpy(buf, "OFF", n); break;
     }
     buf[n - 1] = '\0';
   }
 
-  // Off -> Input -> Output (starts OFF) -> [Analog, GPIO1/GPIO2 only] -> Off
+  // OFF -> Input -> Output (starts OFF) -> [Analog, GPIO1/GPIO2 only] -> OFF
   // ... one press per step. Output's ON/OFF split lives on the State row
   // below, not in this cycle; Analog is read-only so it has no State row.
   void cycleMode(int pin) {
@@ -84,9 +84,9 @@ class GpioScreen : public UIScreen {
     if      (mode == 0)             next = 1;
     else if (mode == 1)             next = 2;
     else if (mode == 2 || mode == 3) next = analog_ok ? 4 : 0;
-    else                             next = 0;   // was Analog -> back to Off
+    else                             next = 0;   // was Analog -> back to OFF
     _task->setGpioMode(pin + 1, next);
-    const char* name = (next == 0) ? "Off" : (next == 1) ? "Input" : (next == 2) ? "Output" : "Analog";
+    const char* name = (next == 0) ? "OFF" : (next == 1) ? "Input" : (next == 2) ? "Output" : "Analog";
     char msg[24];
     snprintf(msg, sizeof(msg), "GPIO%d: %s", pin + 1, name);
     _task->showAlert(msg, 800);
diff --git a/examples/companion_radio/ui-new/SettingsScreen.h b/examples/companion_radio/ui-new/SettingsScreen.h
index e1f05c29..dfc5bea0 100644
--- a/examples/companion_radio/ui-new/SettingsScreen.h
+++ b/examples/companion_radio/ui-new/SettingsScreen.h
@@ -114,7 +114,7 @@ class SettingsScreen : public UIScreen {
   static const int LOW_BAT_COUNT = 7;
 #if ENV_INCLUDE_GPS == 1
   // GPS duty-cycle sleep window: how long GPS naps between fix acquisitions.
-  // "off" (0) keeps it continuously on, today's behaviour. Backed by
+  // "OFF" (0) keeps it continuously on, today's behaviour. Backed by
   // NodePrefs::gps_interval, seconds.
   static const uint32_t GPS_DUTY_OPTS[6];
   static const char* GPS_DUTY_LABELS[6];
@@ -1084,14 +1084,14 @@ const uint16_t SettingsScreen::AUTO_OFF_OPTS[5]   = { 5, 15, 30, 60, 0 };
 const char*    SettingsScreen::AUTO_OFF_LABELS[5]  = { "5s", "15s", "30s", "60s", "never" };
 #endif
 const uint16_t SettingsScreen::LOW_BAT_OPTS[7]   = { 0, 3000, 3100, 3200, 3300, 3400, 3500 };
-const char*    SettingsScreen::LOW_BAT_LABELS[7]  = { "off", "3.0V", "3.1V", "3.2V", "3.3V", "3.4V", "3.5V" };
+const char*    SettingsScreen::LOW_BAT_LABELS[7]  = { "OFF", "3.0V", "3.1V", "3.2V", "3.3V", "3.4V", "3.5V" };
 #if ENV_INCLUDE_GPS == 1
 const uint32_t SettingsScreen::GPS_DUTY_OPTS[6]   = { 0, 60, 300, 900, 1800, 3600 };
-const char*    SettingsScreen::GPS_DUTY_LABELS[6] = { "off", "1 min", "5 min", "15 min", "30 min", "1 h" };
+const char*    SettingsScreen::GPS_DUTY_LABELS[6] = { "OFF", "1 min", "5 min", "15 min", "30 min", "1 h" };
 #endif
 const char*    SettingsScreen::BATT_DISPLAY_LABELS[3] = { "icon", "%", "V" };
 const char*    SettingsScreen::SOUND_LABELS[4] = { "built-in", "M1", "M2", "None" };
 const char*    SettingsScreen::AD_SCOPE_LABELS[2] = { "All", "Zero-hop" };
 #if FEAT_FULL_REFRESH_SETTING
-const char* SettingsScreen::EINK_FULL_REFRESH_LABELS[5] = { "off", "5", "10", "20", "30" };
+const char* SettingsScreen::EINK_FULL_REFRESH_LABELS[5] = { "OFF", "5", "10", "20", "30" };
 #endif