diff --git a/src/general_menus.cpp b/src/general_menus.cpp
index 87a892c5f..11fd67cf0 100644
--- a/src/general_menus.cpp
+++ b/src/general_menus.cpp
@@ -859,7 +859,7 @@ void menuGeneralDiagAna(uint8_t event)
 
   SIMPLE_MENU(STR_MENUANA, menuTabDiag, e_Ana, ANAS_ITEMS_COUNT);
 
-  for (uint8_t i=0; i<7; i++) {
+  for (uint8_t i=0; i<8; i++) {
     uint8_t y = 1+FH+(i/2)*FH;
     uint8_t x = i&1 ? 64+5 : 0;
     putsStrIdx(x, y, PSTR("A"), i+1);
@@ -874,7 +874,7 @@ void menuGeneralDiagAna(uint8_t event)
   lcd_outdezAtt(64+5+6*FW-3, 1+4*FH, BandGap, 0);
 #endif
 
-#if defined(CPUARM)
+#if defined(PCBSKY9X)
   lcd_putsLeft(5*FH, STR_BATT_CALIB);
   static uint32_t adcBatt;
   adcBatt = ((adcBatt * 7) + anaIn(7)) / 8; // running average, sourced directly (to avoid unending debate :P)
@@ -888,6 +888,13 @@ void menuGeneralDiagAna(uint8_t event)
   adcBatt = ((adcBatt * 7) + anaIn(7)) / 8; // running average, sourced directly (to avoid unending debate :P)
   uint32_t batCalV = ((uint32_t)adcBatt*1390 + (10*(int32_t)adcBatt*g_eeGeneral.vBatCalib)/8) / BandGap;
   lcd_outdezNAtt(LEN_CALIB_FIELDS*FW+4*FW, 6*FH-2, batCalV, PREC2|(m_posVert==1 ? INVERS : 0));
+#elif defined(PCBX9D)
+  lcd_putsLeft(5*FH, STR_BATT_CALIB);
+  static uint32_t adcBatt;
+  adcBatt = ((adcBatt * 7) + anaIn(8)) / 8; // running average, sourced directly (to avoid unending debate :P)
+  uint32_t batCalV = ( adcBatt + adcBatt*(g_eeGeneral.vBatCalib)/128 ) * 4191 ;
+  batCalV /= 55296  ;
+  putsVolts(LEN_CALIB_FIELDS*FW+4*FW, 5*FH, batCalV, (m_posVert==1 ? INVERS : 0));
 #else
   lcd_putsLeft(6*FH-2, STR_BATT_CALIB);
   putsVolts(LEN_CALIB_FIELDS*FW+4*FW, 6*FH-2, g_vbat100mV, (m_posVert==1 ? INVERS : 0));
diff --git a/src/myeeprom.h b/src/myeeprom.h
index b0624d29e..2675c92be 100644
--- a/src/myeeprom.h
+++ b/src/myeeprom.h
@@ -146,9 +146,15 @@ uint8_t spare4:2
 PACK(typedef struct t_EEGeneral {
   uint8_t   version;
   uint16_t  variant;
+#if defined(PCBX9D)
+  int16_t   calibMid[8];
+  int16_t   calibSpanNeg[8];
+  int16_t   calibSpanPos[8];
+#else
   int16_t   calibMid[7];
   int16_t   calibSpanNeg[7];
   int16_t   calibSpanPos[7];
+#endif
   uint16_t  chkSum;
   int8_t    currModel;
   uint8_t   contrast;
diff --git a/src/open9x.cpp b/src/open9x.cpp
index d1b234fc5..c86b583ad 100644
--- a/src/open9x.cpp
+++ b/src/open9x.cpp
@@ -352,18 +352,19 @@ void generalDefault()
   g_eeGeneral.variant = EEPROM_VARIANT;
   g_eeGeneral.contrast = 25;
   g_eeGeneral.vBatWarn = 90;
-  for (int i = 0; i < 7; ++i) {
+
+  for (int i = 0; i < NUM_STICKS+NUM_POTS; ++i) {
     g_eeGeneral.calibMid[i]     = 0x200;
     g_eeGeneral.calibSpanNeg[i] = 0x180;
     g_eeGeneral.calibSpanPos[i] = 0x180;
   }
-  g_eeGeneral.chkSum = (0x200 * 7) + (0x180 * 5);
+  g_eeGeneral.chkSum = (0x200 * NUM_STICKS+NUM_POTS) + (0x180 * 5);
 }
 
 uint16_t evalChkSum()
 {
   uint16_t sum=0;
-  for (int i=0; i<12;i++)
+  for (int i=0; i<NUM_STICKS+NUM_POTS+5;i++)
     sum += g_eeGeneral.calibMid[i];
   return sum;
 }
@@ -1546,7 +1547,9 @@ int16_t thrAnaIn(uint8_t chan)
 uint16_t anaIn(uint8_t chan)
 {
 #if defined(PCBX9D)
-  static const uint8_t crossAna[]={1,5,7,0,4,6,2,3};
+  // crossAna[]={LH,LV,RH,RV,S1,LS,S2,RS,BAT 
+  // s_anaFilt[]={LH,LV,RH,RV,S1,S2,LS,RS,_BAT
+  static const uint8_t crossAna[]={0,1,2,3,4,6,5,7,8};
 #elif defined(PCBSKY9X) && !defined(REVA)
   static const uint8_t crossAna[]={1,5,7,0,4,6,2,3};
   if (chan == TX_CURRENT) {
@@ -1767,6 +1770,11 @@ BeepANACenter evalSticks(uint8_t mode)
 
     if(v < -RESX) v = -RESX;
     if(v >  RESX) v =  RESX;
+    	
+ #if defined(PCBX9D)
+    if(i == 2 || i == 3 || i == 6 || i == 7)
+    	v = -v;
+ #endif
 
     if (g_eeGeneral.throttleReversed && ch==THR_STICK)
       v = -v;
diff --git a/src/x9d/i2c_ee.c b/src/x9d/i2c_ee.c
index 339959821..6ff1981f9 100644
--- a/src/x9d/i2c_ee.c
+++ b/src/x9d/i2c_ee.c
@@ -12,7 +12,7 @@
 
 #include "../open9x.h"
 
-#define	I2C_delay()   delay_01us(30);
+#define	I2C_delay()   delay_01us(15);
 
 /**
   * @brief  Configure the used I/O ports pin