diff --git a/radio/src/targets/horus/backlight_driver.cpp b/radio/src/targets/horus/backlight_driver.cpp
index a35c04ba8..84a2af222 100644
--- a/radio/src/targets/horus/backlight_driver.cpp
+++ b/radio/src/targets/horus/backlight_driver.cpp
@@ -55,7 +55,7 @@ void backlightInit()
   }
 #elif defined(PCBX10)
   BL_TIMER->ARR = 100;
-  BL_TIMER->PSC = BL_TIMER_FREQ / 10000 - 1; // 1kHz
+  BL_TIMER->PSC = BL_TIMER_FREQ / 1000000 - 1; // 10kHz (same as FrOS)
   BL_TIMER->CCMR2 = TIM_CCMR2_OC3M_1 | TIM_CCMR2_OC3M_2 | TIM_CCMR2_OC3PE; // PWM mode 1
   BL_TIMER->CCER = TIM_CCER_CC3E | TIM_CCER_CC3NE;
   BL_TIMER->CCR3 = 100;
diff --git a/radio/src/targets/horus/board.h b/radio/src/targets/horus/board.h
index 121eb132e..c02a2b33a 100644
--- a/radio/src/targets/horus/board.h
+++ b/radio/src/targets/horus/board.h
@@ -456,7 +456,7 @@ void backlightEnable(uint8_t dutyCycle);
 #if defined(PCBX12S)
 #define BACKLIGHT_LEVEL_MIN   5
 #else
-#define BACKLIGHT_LEVEL_MIN   42
+#define BACKLIGHT_LEVEL_MIN   46
 #endif
 #define BACKLIGHT_ENABLE()    backlightEnable(unexpectedShutdown ? BACKLIGHT_LEVEL_MAX : BACKLIGHT_LEVEL_MAX-g_eeGeneral.backlightBright)
 #define BACKLIGHT_DISABLE()   backlightEnable(unexpectedShutdown ? BACKLIGHT_LEVEL_MAX : g_eeGeneral.blOffBright)