diff --git a/radio/src/gui/9x/lcd.h b/radio/src/gui/9x/lcd.h
index ffb4ad376..0490bdacc 100644
--- a/radio/src/gui/9x/lcd.h
+++ b/radio/src/gui/9x/lcd.h
@@ -251,6 +251,10 @@ void lcdInit();
 
 void lcdRefresh();
 
+#if defined(LCD_KS108)
+void lcdRefreshSide();
+#endif
+
 #if defined(LCD_ST7920)
 uint8_t	lcdRefresh_ST7920(uint8_t full);
 #define IS_LCD_REFRESH_ALLOWED() (0==lcdstate)
diff --git a/radio/src/gui/9x/splash.cpp b/radio/src/gui/9x/splash.cpp
index 9019a38e0..fd542d974 100644
--- a/radio/src/gui/9x/splash.cpp
+++ b/radio/src/gui/9x/splash.cpp
@@ -52,7 +52,7 @@ void drawSplash()
 {
   lcdClear();
 #if defined(PCBMEGA2560) && !defined(SIMU)
-  lcd_imgfar(0, 0, pgm_get_far_address(splash_lbm), 0, 0); // use progmem "far" for splash working with all other options enabled
+  lcd_imgfar(0, 0, (GET_FAR_ADDRESS(splashdata)+4), 0, 0); // use progmem "far" for splash working with all other options enabled
 #else
   lcd_img(0, 0, splash_lbm, 0, 0);  
 #endif
diff --git a/radio/src/main_avr.cpp b/radio/src/main_avr.cpp
index 70fc6f3f0..069b7df20 100644
--- a/radio/src/main_avr.cpp
+++ b/radio/src/main_avr.cpp
@@ -138,7 +138,9 @@ void perMain()
     drawStatusLine();
   }
 
-#if defined(LCD_ST7920)
+#if defined(LCD_KS108)
+  lcdRefreshSide();
+#elif defined(LCD_ST7920)
   lcdstate = lcdRefresh_ST7920(0);
 #else
   lcdRefresh();
diff --git a/radio/src/targets/9x/lcd_ks108_driver.cpp b/radio/src/targets/9x/lcd_ks108_driver.cpp
index 4113c2512..5931a7dc2 100644
--- a/radio/src/targets/9x/lcd_ks108_driver.cpp
+++ b/radio/src/targets/9x/lcd_ks108_driver.cpp
@@ -65,8 +65,13 @@ void lcdSetRefVolt(uint8_t val)
 {
 }
 
-void lcdRefreshSide(display_t * p)
+void lcdRefreshSide()
 {
+  static uint8_t change = 0; // toggle left or right lcd writing
+  uint8_t *p;
+  if (change == 0){ CS2_off; CS1_on; p = displayBuf; change = 1;} // Right
+  else{ CS1_off; CS2_on; p = displayBuf + 64; change = 0;} // Left
+  
   for (uint8_t page=0; page < 8; page++) {
     lcdSendCtl(DISPLAY_SET_COLUMN); // Column addr 0
     lcdSendCtl( page | DISPLAY_SET_PAGE); //Page addr
@@ -82,13 +87,6 @@ void lcdRefreshSide(display_t * p)
 
 void lcdRefresh()
 {
-  // Right
-  CS1_on;
-  lcdRefreshSide(displayBuf);
-  CS1_off;
-
-  // Left
-  CS2_on;
-  lcdRefreshSide(displayBuf + 64);
-  CS2_off;
+  lcdRefreshSide();
+  lcdRefreshSide();
 }
diff --git a/radio/src/targets/mega2560/board_mega2560.cpp b/radio/src/targets/mega2560/board_mega2560.cpp
index a1822246c..cf6b43db0 100644
--- a/radio/src/targets/mega2560/board_mega2560.cpp
+++ b/radio/src/targets/mega2560/board_mega2560.cpp
@@ -25,16 +25,16 @@ inline void boardInit()
 {
   // Set up I/O port data directions and initial states (unused pin setting : input, pull-up on)
   DDRA = 0b11111111;  PORTA = 0b00000000; // LCD data
-  DDRB = 0b01110111;  PORTB = 0b00101111; // 7:SOMOBusy, 6:PPM_OUT, 5:SimCTRL, 4:Buzzer, SDCARD[3:MISO 2:MOSI 1:SCK 0:CS]
+  DDRB = 0b01110111;  PORTB = 0b00101111; // 7:WTV20SDBusy, 6:PPM_OUT, 5:SimCTRL, 4:Buzzer, SDCARD[3:MISO 2:MOSI 1:SCK 0:CS]
   DDRC = 0b11111100;  PORTC = 0b00000011; // 7-3:LCD, 2:BackLight, 1:ID2_SW, 0:ID1_SW
   DDRD = 0b00000000;  PORTD = 0b11111100; // 7:AilDR_SW, 6:N/A, 5:N/A, 4:N/A, 3:RENC2_B, 2:RENC2_A, 1:I2C_SDA, 0:I2C_SCL
-  DDRE = 0b00001010;  PORTE = 0b01110100; // 7:PPM_IN, 6:N/A, 5:RENC1_B, 4:RENC1_A, 3:SOMOData, 2:N/A, 1:TELEM_TX, 0:TELEM_RX
+  DDRE = 0b00001010;  PORTE = 0b01110100; // 7:PPM_IN, 6:N/A, 5:RENC1_B, 4:RENC1_A, 3:WTV20SDData, 2:N/A, 1:TELEM_TX, 0:TELEM_RX
   DDRF = 0b00000000;  PORTF = 0b11111111; // 7-0:Trim switch inputs
-  DDRG = 0b00100000;  PORTG = 0b11011111; // 7:N/A, 6:N/A, 5:SOMOClock, 4:N/A, 3:N/A, 2:TCut_SW, 1:Gear_SW, 0: RudDr_SW
+  DDRG = 0b00100000;  PORTG = 0b11011111; // 7:N/A, 6:N/A, 5:WTV20SDClock, 4:N/A, 3:N/A, 2:TCut_SW, 1:Gear_SW, 0: RudDr_SW
 #if defined(DEBUG)  
-  DDRH = 0b01011010;  PORTH = 0b11110100; // 7:N/A, 6:RF_Activated, 5:DSC_Activated, 4:Hold_Power, 3:Speaker, 2:N/A, 1:SOMOReset, 0:Haptic
+  DDRH = 0b01011010;  PORTH = 0b11110100; // 7:N/A, 6:RF_Activated, 5:DSC_Activated, 4:Hold_Power, 3:Speaker, 2:N/A, 1:WTV20SDReset, 0:Haptic
 #else
-  DDRH = 0b00011010;  PORTH = 0b11110100; // 7:N/A, 6:RF_Activated, 5:DSC_Activated, 4:Hold_Power, 3:Speaker, 2:N/A, 1:SOMOReset, 0:Haptic
+  DDRH = 0b00011010;  PORTH = 0b11110100; // 7:N/A, 6:RF_Activated, 5:DSC_Activated, 4:Hold_Power, 3:Speaker, 2:N/A, 1:WTV20SDReset, 0:Haptic
 #endif  
   DDRJ = 0b00000000;  PORTJ = 0b11111111; // 7:N/A, 6:N/A, 5:N/A, 4:N/A, 3:N/A, 2:N/A, 1:RENC2_push, 0:RENC1_push
   DDRK = 0b00000000;  PORTK = 0b00000000; // Analogic input (no pull-ups)
@@ -57,7 +57,7 @@ inline void boardInit()
   #endif
   
   #if defined(VOICE)
-  // SOMO set-up, with TIMER5
+  // WTV20SD set-up, with TIMER5
   OCR5A = 0x1F4; //2ms
   TCCR5B = (1 << WGM52) | (0b011 << CS50); // CTC OCR5A
   TIMSK5 |= (1<<OCIE5A); // Start the interrupt so the unit reset can occur
@@ -197,24 +197,40 @@ void readKeysAndTrims()
 ISR(INT4_vect)     // Arduino2560 IO02 (portE pin4)    
 {
   uint8_t input = (PINE & 0x30);
+#if defined (ROTENC_DIV2)// Rotenc resolution/2
+  if (input == 0) incRotaryEncoder(0, -1);
+#else
   if (input == 0 || input == 0x30) incRotaryEncoder(0, -1);
+#endif
 }
                  
 ISR(INT5_vect)     // Arduino2560 IO03 (portE pin5)
 {
   uint8_t input = (PINE & 0x30);
+#if defined (ROTENC_DIV2)// Rotenc resolution/2
+  if (input == 0) incRotaryEncoder(0, +1);
+#else
   if (input == 0 || input == 0x30) incRotaryEncoder(0, +1);
+#endif
 }
 
 ISR(INT2_vect)     // Arduino2560 IO19 (portD pin2)
 {
   uint8_t input = (PIND & 0x0C);
+#if defined (ROTENC_DIV2)// Rotenc resolution/2
+  if (input == 0) incRotaryEncoder(1, -1);
+#else
   if (input == 0 || input == 0x0C) incRotaryEncoder(1, -1);
+#endif
 }
 
 ISR(INT3_vect)     // Arduino2560 IO18 (portD pin3)
 {
   uint8_t input = (PIND & 0x0C);
+#if defined (ROTENC_DIV2)// Rotenc resolution/2
+  if (input == 0) incRotaryEncoder(1, +1);
+#else
   if (input == 0 || input == 0x0C) incRotaryEncoder(1, +1);
+#endif
 }  
        
diff --git a/radio/src/targets/mega2560/board_mega2560.h b/radio/src/targets/mega2560/board_mega2560.h
index 00dd4ca6e..46cabd3f3 100644
--- a/radio/src/targets/mega2560/board_mega2560.h
+++ b/radio/src/targets/mega2560/board_mega2560.h
@@ -23,6 +23,10 @@
 
 #include "../common_avr/board_avr.h"
 
+
+//Mods for futur use ? Beta tester love it 
+//#define ROTENC_DIV2 // rotenc resolution/2
+
 // Keys
 #define KEYS_GPIO_REG_MENU        pinl                          
 #define KEYS_GPIO_PIN_MENU        (1<<4)
@@ -95,21 +99,21 @@ void sdPoll10ms(void);
 
 // Servitudes driver
 #define INP_E_PPM_IN              7    //not used (reserved)
-#define INP_B_14DBUSY             7    //somo14d, not used (reserved)
+#define INP_B_WTV_BUSY            7    //WTV20SD, not used (reserved)
 #define OUT_B_PPM                 6    
 #define OUT_B_SIM_CTL             5    
 #define OUT_B_BUZZER              4
 #define INP_D_I2C_SCL             1
 #define INP_D_I2C_SDA             0
-#define OUT_E_14DDATA             3    //somo14d
+#define OUT_E_WTV_DATA            3    //WTV20SD
 #define INP_E_TELEM_RX            1
 #define OUT_E_TELEM_TX            0    
-#define OUT_G_14DCLK              5    //somo14d
+#define OUT_G_WTV_CLK             5    //WTV20SD
 #define INP_H_RF_Activated        6    
 #define INP_H_DSC_Activated       5    //not used, reserved for pwrCheck()                                                                         
 #define INP_H_Hold_Power          4    //not used, reserved for pwrCheck() 
 #define OUT_H_Speaker             3
-#define OUT_H_14DRESET            1    //somo14d
+#define OUT_H_WTV_RESET           1    //WTV20SD
 #define OUT_H_HAPTIC              0
   
 // Rotary encoders driver
@@ -127,7 +131,7 @@ void sdPoll10ms(void);
 #define PORTA_LCD_DAT            PORTA    
 #define PORTC_LCD_CTRL           PORTC 
 #if defined(LCD_KS108)				// (For KS108 LCd only) MEGA R/W pin always at 0 state in Opentx then
-#define OUT_C_LCD_CS2            6	//Use this pin to control second KS108
+#define OUT_C_LCD_CS2            6	// Use this pin to control second KS108
 #else								// And connect LCD R/W pin to ground via a 1k resistor
 #define OUT_C_LCD_RnW            6        
 #endif
@@ -168,12 +172,12 @@ void pwrOff();
 
 // Voice driver
 #if defined(VOICE)
-#define WTV20SD_Clock_on              PORTG |=  (1<<OUT_G_14DCLK)
-#define WTV20SD_Clock_off             PORTG &= ~(1<<OUT_G_14DCLK)
-#define WTV20SD_Data_on               PORTE |=  (1<<OUT_E_14DDATA)
-#define WTV20SD_Data_off              PORTE &= ~(1<<OUT_E_14DDATA)
-#define WTV20SD_Reset_on              PORTH |=  (1<<OUT_H_14DRESET)
-#define WTV20SD_Reset_off             PORTH &= ~(1<<OUT_H_14DRESET)
+#define WTV20SD_Clock_on              PORTG |=  (1<<OUT_G_WTV_CLK)
+#define WTV20SD_Clock_off             PORTG &= ~(1<<OUT_G_WTV_CLK)
+#define WTV20SD_Data_on               PORTE |=  (1<<OUT_E_WTV_DATA)
+#define WTV20SD_Data_off              PORTE &= ~(1<<OUT_E_WTV_DATA)
+#define WTV20SD_Reset_on              PORTH |=  (1<<OUT_H_WTV_RESET)
+#define WTV20SD_Reset_off             PORTH &= ~(1<<OUT_H_WTV_RESET)
 #define	WTV20SD_BUSY                  (PINB & 0x80)
 #define	WTV20SD_CLK                   (PING & 0x20)
 #endif