diff --git a/dsp.c b/dsp.c
index 9f287c7..a4862d4 100644
--- a/dsp.c
+++ b/dsp.c
@@ -133,8 +133,8 @@ void calclate_gamma(float *gamma)
     acc_i += (float)(s0 * ri);
     acc_ref += (float)rr*rr + (float)ri*ri;
   }
-  rn = sqrtf(acc_ref / len) * 2e3 * len;
-  //rn = acc_ref;
+  //rn = sqrtf(acc_ref / len) * 2e3 * len;
+  rn = acc_ref / 10;
   gamma[0] = -acc_r / rn;
   gamma[1] = -acc_i / rn;
 }
diff --git a/flash.c b/flash.c
index 0120250..10d034a 100644
--- a/flash.c
+++ b/flash.c
@@ -64,6 +64,8 @@ const uint32_t saveareas[] =
 
 #define FLASH_PAGESIZE 0x800
 
+int16_t lastsaveid = 0;
+
 
 int
 caldata_save(int id)
@@ -98,6 +100,8 @@ caldata_save(int id)
 
   /* after saving data, make active configuration points to flash */
   active = (config_t*)saveareas[id];
+  lastsaveid = id;
+
   return 0;
 }
 
@@ -118,6 +122,7 @@ caldata_recall(int id)
 
   /* active configuration points to save data on flash memory */
   active = src;
+  lastsaveid = id;
 
   /* duplicated saved data onto sram to be able to modify marker/trace */
   memcpy(dst, src, sizeof(config_t));
diff --git a/main.c b/main.c
index f3b0363..2b6202c 100644
--- a/main.c
+++ b/main.c
@@ -368,7 +368,7 @@ ensure_edit_config(void)
   if (active == &current_config)
     return;
 
-  memcpy(&current_config, active, sizeof(config_t));
+  //memcpy(&current_config, active, sizeof(config_t));
   active = &current_config;
 }
 
@@ -742,15 +742,19 @@ static void cmd_cal(BaseSequentialStream *chp, int argc, char *argv[])
     }
 
     cal_status |= CALSTAT_APPLY;
+    draw_cal_status();
     return;
   } else if (strcmp(cmd, "on") == 0) {
     cal_status |= CALSTAT_APPLY;
+    draw_cal_status();
     return;
   } else if (strcmp(cmd, "off") == 0) {
     cal_status &= ~CALSTAT_APPLY;
+    draw_cal_status();
     return;
   } else if (strcmp(cmd, "reset") == 0) {
     cal_status = 0;
+    draw_cal_status();
     return;
   } else if (strcmp(cmd, "data") == 0) {
     chprintf(chp, "%f %f\r\n", cal_data[CAL_LOAD][0][0], cal_data[CAL_LOAD][0][1]);
@@ -776,6 +780,7 @@ static void cmd_save(BaseSequentialStream *chp, int argc, char *argv[])
   if (id < 0 || id >= SAVEAREA_MAX)
     goto usage;
   caldata_save(id);
+  draw_cal_status();
   return;
 
  usage:
@@ -796,13 +801,14 @@ static void cmd_recall(BaseSequentialStream *chp, int argc, char *argv[])
   if (caldata_recall(id) == 0) {
     // success
     set_sweep(freq_start, freq_stop);
+    draw_cal_status();
   }
 
   resume_sweep();
   return;
 
  usage:
-  chprintf(chp, "save {id}\r\n");
+  chprintf(chp, "recall {id}\r\n");
 }
 
 
diff --git a/nanovna.h b/nanovna.h
index e72af06..f3fc1bc 100644
--- a/nanovna.h
+++ b/nanovna.h
@@ -136,6 +136,8 @@ void trace_get_info(int t, char *buf, int len);
 void plot_into_index(float measured[2][101][2]);
 void draw_cell_all(void);
 
+void draw_cal_status(void);
+
 
 /*
  * main.c
@@ -191,13 +193,14 @@ typedef struct {
 
 #define CONFIG_MAGIC 0x436f4e45 /* 'CoNF' */
 
+extern int16_t lastsaveid;
 extern config_t *active;
 extern config_t current_config;
 
 #define freq_start active->_freq_start
 #define freq_stop active->_freq_stop
 #define sweep_points active->_sweep_points
-#define cal_status active->_cal_status
+#define cal_status current_config._cal_status
 #define frequencies active->_frequencies
 #define cal_data active->_cal_data
 
diff --git a/plot.c b/plot.c
index 831bba4..c8944f2 100644
--- a/plot.c
+++ b/plot.c
@@ -993,23 +993,64 @@ void
 draw_frequencies(void)
 {
   char buf[24];
-  chsnprintf(buf, 24, "START%3d.%03d %03d MHz",
+  chsnprintf(buf, 24, "START %d.%03d %03d MHz  ",
              (int)(fstart / 1000000),
              (int)((fstart / 1000) % 1000),
              (int)(fstart % 1000));
   ili9341_drawstring_5x7(buf, OFFSETX, 233, 0xffff, 0x0000);
-  chsnprintf(buf, 24, "STOP %3d.%03d %03d MHz",
+  chsnprintf(buf, 24, "STOP %d.%03d %03d MHz",
              (int)(fstop / 1000000),
              (int)((fstop / 1000) % 1000),
              (int)(fstop % 1000));
   ili9341_drawstring_5x7(buf, 205, 233, 0xffff, 0x0000);
 }
 
+void
+draw_cal_status(void)
+{
+  int x = 0;
+  int y = 100;
+#define YSTEP 7
+  ili9341_fill(0, y, 10, 6*YSTEP, 0x0000);
+  if (cal_status & CALSTAT_APPLY) {
+    char c[3] = "C0";
+    if (active == &current_config)
+      c[1] = '*';
+    else
+      c[1] += lastsaveid;
+
+    ili9341_drawstring_5x7(c, x, y, 0xffff, 0x0000);
+    y += YSTEP;
+    if (cal_status & CALSTAT_ED) {
+      ili9341_drawstring_5x7("D", x, y, 0xffff, 0x0000);
+      y += YSTEP;
+    }
+    if (cal_status & CALSTAT_ER) {
+      ili9341_drawstring_5x7("R", x, y, 0xffff, 0x0000);
+      y += YSTEP;
+    }
+    if (cal_status & CALSTAT_ES) {
+      ili9341_drawstring_5x7("S", x, y, 0xffff, 0x0000);
+      y += YSTEP;
+    }
+    if (cal_status & CALSTAT_ET) {
+      ili9341_drawstring_5x7("T", x, y, 0xffff, 0x0000);
+      y += YSTEP;
+    }
+    if (cal_status & CALSTAT_EX) {
+      ili9341_drawstring_5x7("X", x, y, 0xffff, 0x0000);
+      y += YSTEP;
+    }
+  }
+}
+
+
 void
 redraw(void)
 {
   ili9341_fill(0, 0, 320, 240, 0);
   draw_frequencies();
+  draw_cal_status();
 }
 
 void