diff --git a/mlx90640/mlx90640_lcd_display.c b/mlx90640/mlx90640_lcd_display.c
index 4b5be32..da3609f 100644
--- a/mlx90640/mlx90640_lcd_display.c
+++ b/mlx90640/mlx90640_lcd_display.c
@@ -213,15 +213,15 @@ averageTemp = 0.0;
 #endif
 
   BSP_LCD_FillRect(0,40, ST7789V_LCD_PIXEL_WIDTH, ST7789V_LCD_PIXEL_HEIGHT, LCD_COLOR_BLACK);
-
-	for (y=0; y<23; y++)
+  	  // ignore edge of FOV
+	for (y=2; y<22; y++)
 	{
-		for (x=1; x<32; x++)
+		for (x=2; x<30; x++)
 		{
 
 			if (zoneMask[y*32+x] > 3) {
 				//APP_LOG(TS_OFF,VLEVEL_L,"\r\n X=%d Y=%d Count=%d\r\n",x,y,zoneMask[y*32+x]);
-				BSP_LCD_FillRect(x*8, y*11, 4, 4, LCD_COLOR_GREEN);
+				BSP_LCD_FillRect(x*8, y*11 + 32, 4, 4, LCD_COLOR_GREEN);
 			}
 		}
 	}
@@ -266,9 +266,10 @@ void blackOutFilter(void)
 	if (maxTemp < normalPeopleTemp)
 	{
 	  blackOutTag =0;
-	  for (y=1; y<22; y++)
+	  // ignore edge of FOV
+	  for (y=2; y<22; y++)
 	  {
-			for (x=1; x<30; x++)
+			for (x=2; x<30; x++)
 			{
 				temp1 = (float)tempValues[(x) + (y*32)];
 				if ((temp1 + (float)(waterTempThreshold/10.0)) < averageTemp )
diff --git a/mlx90640/stm32_hx8347d_lcd.c b/mlx90640/stm32_hx8347d_lcd.c
index fb4f458..d77e15e 100644
--- a/mlx90640/stm32_hx8347d_lcd.c
+++ b/mlx90640/stm32_hx8347d_lcd.c
@@ -1339,6 +1339,7 @@ void LCD_Delay(uint32_t Delay)
  */
 void BSP_LCD_Test(void)
 {
+	char dspbuf1[]="SmarToilets", dspbuf2[]="Yunhorn Technology";
 	APP_LOG(TS_OFF,VLEVEL_L,"\r\n Clear with rainbow...........\r\n");
 	BSP_LCD_FillRect(0,0,ST7789V_LCD_PIXEL_WIDTH,ST7789V_LCD_PIXEL_HEIGHT/7,LCD_COLOR_RED);
 	BSP_LCD_FillRect(0,1*ST7789V_LCD_PIXEL_HEIGHT/7,ST7789V_LCD_PIXEL_WIDTH,ST7789V_LCD_PIXEL_HEIGHT/7,LCD_COLOR_GREEN);
@@ -1350,8 +1351,8 @@ void BSP_LCD_Test(void)
 	BSP_LCD_FillRect(0,7*ST7789V_LCD_PIXEL_HEIGHT/7,ST7789V_LCD_PIXEL_WIDTH,ST7789V_LCD_PIXEL_HEIGHT/7,LCD_COLOR_BLACK);
 
 
-	BSP_LCD_DisplayStringAt(30, 3*ST7789V_LCD_PIXEL_HEIGHT/7, "SmarToilets", LEFT_MODE, LCD_COLOR_BLUE);
-	BSP_LCD_DisplayStringAt(10, 20+3*ST7789V_LCD_PIXEL_HEIGHT/7,"Yunhorn Technology", LEFT_MODE, LCD_COLOR_BLUE);
+	BSP_LCD_DisplayStringAt(30, 3*ST7789V_LCD_PIXEL_HEIGHT/7, (void *)dspbuf1, LEFT_MODE, LCD_COLOR_BLUE);
+	BSP_LCD_DisplayStringAt(10, 20+3*ST7789V_LCD_PIXEL_HEIGHT/7,(void *)dspbuf2, LEFT_MODE, LCD_COLOR_BLUE);
 	HAL_Delay(2500);
 
 #if 0
@@ -1424,21 +1425,7 @@ void BSP_LCD_Test(void)
 	//BSP_LCD_DrawBitmap(0, 0, (char *)gImage_1);
 	HAL_Delay(500);
 #endif
-	/*
 
-	ST7789_Fill_Color(BLACK);
-	ST7789_DrawImage(0, 0, 240, 240, (uint16_t *)knky);
-	HAL_Delay(3000);
-
-	ST7789_Fill_Color(BLACK);
-	ST7789_DrawImage(0, 0, 240, 240, (uint16_t *)tek);
-	HAL_Delay(3000);
-
-	ST7789_Fill_Color(BLACK);
-	ST7789_DrawImage(0, 0, 240, 240, (uint16_t *)adi1);
-	HAL_Delay(3000);
-
-	*/
 }
 
 //=========================================================2=============================================================//