diff --git a/main.c b/main.c
index d2f0132..a420f9b 100644
--- a/main.c
+++ b/main.c
@@ -963,7 +963,7 @@ config_t config = {
   .touch_cal =         { 347, 495, 160, 205 },  // 2.8 inch LCD panel
 #endif
 #ifdef TINYSA4
-  .touch_cal =          { 278, 513, 115, 154 }, // 4 inch panel
+  .touch_cal =          { 444, 715, 3552, 3499 }, // 4 inch panel
 #endif
   ._mode     = _MODE_USB | _MODE_AUTO_FILENAME,
   ._serial_speed = SERIAL_DEFAULT_BITRATE,
diff --git a/nanovna.h b/nanovna.h
index 6851b05..d50b145 100644
--- a/nanovna.h
+++ b/nanovna.h
@@ -1384,7 +1384,7 @@ typedef struct properties {
 
 //sizeof(properties_t) == 0x1200
 
-#define CONFIG_MAGIC 0x434f4e5C /* 'CONF' */
+#define CONFIG_MAGIC 0x434f4e5D /* 'CONF' */
 
 extern int16_t lastsaveid;
 //extern properties_t *active_props;
diff --git a/plot.c b/plot.c
index 99ad700..f0e5ed6 100644
--- a/plot.c
+++ b/plot.c
@@ -38,6 +38,7 @@ static void update_waterfall(void);
 #ifdef __LEVEL_METER__
 static void update_level_meter(void);
 char level_text[20];
+char freq_text[20];
 #endif
 void cell_draw_test_info(int x0, int y0);
 int cell_printf(int16_t x, int16_t y, const char *fmt, ...);
@@ -1255,6 +1256,9 @@ draw_all(bool flush)
   if (isFullScreenMode()) return;
 #ifdef __LEVEL_METER__
   level_text[0] = 0;    // Clear level text
+#ifdef TINYSA4
+  freq_text[0] = 0;    // Clear level text
+#endif
 #endif
   if (redraw_request & REDRAW_AREA)       // this set all area for update
     force_set_markmap();
@@ -1544,6 +1548,11 @@ static void trace_print_value_string(     // Only used at one place
 #endif
     plot_printf(ptr2, sizeof(buf2) - 9, "%9.*QHz", digits, freq);
   }
+#ifdef __LEVEL_METER__
+#ifdef TINYSA4
+  if (freq_text[0] == 0) strcpy(freq_text, &ptr2[3]);
+#endif
+#endif
   const char *format;
   if (UNIT_IS_LINEAR(setting.unit))
     format = FONT_s"%s %.3F%s%s%s%s"; // 5 characters incl u, m, etc...
@@ -1556,8 +1565,9 @@ static void trace_print_value_string(     // Only used at one place
 #endif
   cell_printf(xpos, ypos, format, buf2, v, unit_string[unit_index], (mtype & M_DELTA?"c":"") , (mtype & M_NOISE?"/Hz":""), (mtype & M_AVER?"/T":""));
 #ifdef __LEVEL_METER__
-  if (level_text[0] == 0)
+  if (level_text[0] == 0){
     plot_printf(level_text, sizeof(level_text), &format[3], v, unit_string[unit_index], (mtype & M_DELTA?"c":"") , (mtype & M_NOISE?"/Hz":"") ,(mtype & M_AVER?"/T":""));
+  }
 #endif
 }
 
@@ -2118,6 +2128,11 @@ static void update_level_meter(void){
   int w = ili9341_drawstring_size(level_text, OFFSETX + 3, graph_bottom + 3,BIG_SIZE, x_max);         // TODO Size 4 does not transfer to remote desktop??????
   if (w < x_max)
     ili9341_fill(w, graph_bottom+3, x_max - w, BIG_SIZE * wFONT_GET_HEIGHT);
+#ifdef TINYSA4
+  w = ili9341_drawstring_size(freq_text, OFFSETX + 3, graph_bottom + 3 + BIG_SIZE * wFONT_STR_HEIGHT ,BIG_SIZE, x_max);         // TODO Size 4 does not transfer to remote desktop??????
+  if (w < x_max)
+    ili9341_fill(w, graph_bottom+3+ BIG_SIZE * wFONT_STR_HEIGHT, x_max - w, BIG_SIZE * wFONT_GET_HEIGHT);
+#endif
 }
 
 void
diff --git a/ui.c b/ui.c
index cfdb14f..2b21b78 100644
--- a/ui.c
+++ b/ui.c
@@ -408,6 +408,8 @@ touch_wait_released(void)
     ;
 }
 
+
+#if 0
 void
 touch_cal_exec(void)
 {
@@ -444,11 +446,58 @@ touch_cal_exec(void)
 
   config.flip = old_flip;
 
-  config_save();            // Auto save touch calibration
 
   //redraw_all();
 }
 
+#else
+
+#define CALIBRATION_OFFSET 16
+#define TOUCH_MARK_W        9
+#define TOUCH_MARK_H        9
+#define TOUCH_MARK_X        4
+#define TOUCH_MARK_Y        4
+static const uint8_t touch_bitmap[]={
+  _BMP16(0b0000100000000000),
+  _BMP16(0b0100100100000000),
+  _BMP16(0b0010101000000000),
+  _BMP16(0b0000100000000000),
+  _BMP16(0b1111011110000000),
+  _BMP16(0b0000100000000000),
+  _BMP16(0b0010101000000000),
+  _BMP16(0b0100100100000000),
+  _BMP16(0b0000100000000000),
+};
+
+static void getTouchPoint(uint16_t x, uint16_t y, const char *name, int16_t *data) {
+  // Clear screen and ask for press
+  ili9341_set_foreground(LCD_FG_COLOR);
+  ili9341_set_background(LCD_BG_COLOR);
+  ili9341_clear_screen();
+  ili9341_blitBitmap(x, y, TOUCH_MARK_W, TOUCH_MARK_H, touch_bitmap);
+  lcd_printf((LCD_WIDTH-18*FONT_WIDTH)/2, (LCD_HEIGHT-FONT_GET_HEIGHT)/2, "TOUCH %s *", name);
+  // Wait release, and fill data
+  touch_wait_released();
+  data[0] = last_touch_x;
+  data[1] = last_touch_y;
+}
+
+void
+touch_cal_exec(void)
+{
+  const uint16_t x1 = CALIBRATION_OFFSET - TOUCH_MARK_X;
+  const uint16_t y1 = CALIBRATION_OFFSET - TOUCH_MARK_Y;
+  const uint16_t x2 = LCD_WIDTH  - 1 - CALIBRATION_OFFSET - TOUCH_MARK_X;
+  const uint16_t y2 = LCD_HEIGHT - 1 - CALIBRATION_OFFSET - TOUCH_MARK_Y;
+  uint16_t p1 = 0, p2 = 2;
+  if (config.flip) {p1 = 2, p2 = 0;}
+  getTouchPoint(x1, y1, "UPPER LEFT", &config.touch_cal[p1]);
+  getTouchPoint(x2, y2, "LOWER RIGHT", &config.touch_cal[p2]);
+  config_save();            // Auto save touch calibration
+}
+
+
+#endif
 void
 touch_draw_test(void)
 {
@@ -458,7 +507,7 @@ touch_draw_test(void)
   ili9341_set_foreground(LCD_FG_COLOR);
   ili9341_set_background(LCD_BG_COLOR);
   ili9341_clear_screen();
-  ili9341_drawstring("TOUCH TEST: DRAG PANEL, PRESS BUTTON TO FINISH", OFFSETX, LCD_HEIGHT - FONT_GET_HEIGHT);
+  ili9341_drawstring("TOUCH PANEL, DRAW LINES, PRESS BUTTON TO FINISH", OFFSETX, LCD_HEIGHT - FONT_GET_HEIGHT);
 
   int old_button_state = 0;
   lcd_set_font(FONT_NORMAL);
@@ -496,9 +545,17 @@ touch_position(int *x, int *y)
     return;
   }
 #endif
+#if 0
+
   int tx = (last_touch_x - config.touch_cal[0]) * 16 / config.touch_cal[2];
   int ty = (last_touch_y - config.touch_cal[1]) * 16 / config.touch_cal[3];
+#else
+  int tx = ((LCD_WIDTH-1-CALIBRATION_OFFSET)*(last_touch_x - config.touch_cal[0]) + CALIBRATION_OFFSET * (config.touch_cal[2] - last_touch_x)) / (config.touch_cal[2] - config.touch_cal[0]);
+  if (tx<0) tx = 0; else if (tx>=LCD_WIDTH ) tx = LCD_WIDTH -1;
+  int ty = ((LCD_HEIGHT-1-CALIBRATION_OFFSET)*(last_touch_y - config.touch_cal[1]) + CALIBRATION_OFFSET * (config.touch_cal[3] - last_touch_y)) / (config.touch_cal[3] - config.touch_cal[1]);
+  if (ty<0) ty = 0; else if (ty>=LCD_HEIGHT) ty = LCD_HEIGHT-1;
 
+#endif
   if (config.flip) {
     tx = LCD_WIDTH - 1 - tx;
     ty = LCD_HEIGHT - 1 - ty;
@@ -707,8 +764,12 @@ static UI_FUNCTION_CALLBACK(menu_marker_op_cb)
   case 4: // marker -> ref level
     {
     float l = actual_t[markers[active_marker].index];
+#if 1
+    user_set_reflevel(l);
+#else
     float s_max = value(l)/setting.scale;
     user_set_reflevel(setting.scale*(floorf(s_max)+2));
+#endif
     }
     break;
 #ifdef __VNA__