Changed to LEVEL CHANGE and delta markers to dBc

plot.c

@@ -2023,14 +2023,16 @@ static void cell_draw_marker_info(int x0, int y0)
       j = 2;
       int xpos = 1 + (j%2)*(WIDTH/2) + CELLOFFSETX - x0;
       int ypos = 1 + (j/2)*(16) - y0;
-      cell_drawstring_7x13(buf, xpos, ypos);
+//      cell_drawstring_7x13(buf, xpos, ypos);
+      cell_drawstring(buf, xpos, ypos);
 
       ip = sr+ (sl - ir)/2;
       plot_printf(buf, sizeof buf, "OIP3: %4.1fdB", ip);
       j = 3;
       xpos = 1 + (j%2)*(WIDTH/2) + CELLOFFSETX - x0;
       ypos = 1 + (j/2)*(16) - y0;
-      cell_drawstring_7x13(buf, xpos, ypos);
+//      cell_drawstring_7x13(buf, xpos, ypos);
+      cell_drawstring(buf, xpos, ypos);
       break;
     }
 #if 0

sa_core.c

@@ -1869,7 +1869,7 @@ float my_round(float v)
   return v;
 }
 
-const char * const unit_string[] = { "dBm", "dBmV", "dBuV", "V", "W", "dBc", "dBmVc", "dBuVc", "Vc", "Wc" }; // unit + 5 is delta unit
+const char * const unit_string[] = { "dBm", "dBmV", "dBuV", "V", "W", "dBc", "dBc", "dBc", "Vc", "Wc" }; // unit + 5 is delta unit
 
 static const float scale_value[]={50000, 20000, 10000, 5000, 2000, 1000, 500, 200, 100, 50, 20,10,5,2,1,0.5,0.2,0.1,0.05,0.02,0.01,0.005,0.002, 0.001,0.0005,0.0002, 0.0001};
 static const char * const scale_vtext[]= {"50000", "20000", "10000", "5000", "2000", "1000", "500", "200", "100", "50", "20","10","5","2","1","0.5","0.2","0.1","0.05","0.02","0.01", "0.005","0.002","0.001", "0.0005","0.0002","0.0001"};

ui_sa.c

@@ -1194,7 +1194,7 @@ const menuitem_t  menu_lowoutputmode[] = {
   { MT_FORM | MT_KEYPAD,   KM_LOWOUTLEVEL,      "LEVEL: %s",        "-76..-6"},
   { MT_FORM | MT_SUBMENU,  0,                   "MODULATION: %s",   menu_modulation},
   { MT_FORM | MT_KEYPAD,   KM_SPAN,             "SPAN: %s",         "0..350MHz"},
-  { MT_FORM | MT_KEYPAD | MT_LOW, KM_LEVELSWEEP,"LEVELSWEEP: %s",   "-70..70"},
+  { MT_FORM | MT_KEYPAD | MT_LOW, KM_LEVELSWEEP,"LEVEL CHANGE: %s",   "-70..70"},
   { MT_FORM | MT_KEYPAD,   KM_SWEEP_TIME,       "SWEEP TIME: %s",   "0..600S"},
   //  { MT_FORM | MT_KEYPAD,   KM_10MHZ,        "10MHz: %s",         NULL},
   { MT_FORM | MT_CANCEL,   0,           "MODE",                     NULL },
@@ -1793,7 +1793,15 @@ static void fetch_numeric_target(void)
     break;
   case KM_LOWOUTLEVEL:
     uistat.value = get_attenuation();           // compensation for dB offset during low output mode
-    plot_printf(uistat.text, sizeof uistat.text, "%ddB", ((int32_t)uistat.value));
+    int end_level =  ((int32_t)uistat.value)+setting.level_sweep;
+    if (end_level < -76)
+      end_level = -76;
+    if (end_level > -6)
+      end_level = -6;
+    if (setting.level_sweep != 0)
+      plot_printf(uistat.text, sizeof uistat.text, "%ddBm to %ddBm", ((int32_t)uistat.value), end_level);
+    else
+      plot_printf(uistat.text, sizeof uistat.text, "%ddBm", ((int32_t)uistat.value));
     break;
   case KM_DECAY:
     uistat.value = setting.decay;