Small text edits

chprintf.c

@@ -198,7 +198,7 @@ static char *ftoaS(char *p, float num, uint32_t precision) {
   if (prefix)
     precision--;
 
-  // Auto set prescision
+  // Auto set precision
   uint32_t l = num;
   if (l > 100)
     precision-=2;

sa_core.c

@@ -1845,7 +1845,7 @@ void draw_cal_status(void)
 
   ili9341_set_background(DEFAULT_BG_COLOR);
 
-  float yMax = setting.reflevel;                    // Determine unit scale letter ( ,m,u,n,p)
+  float yMax = setting.reflevel;
   // Top level
   if (rounding)
     plot_printf(buf, BLEN, "%4d", (int)yMax);

ui_sa.c

@@ -1176,7 +1176,7 @@ const menuitem_t  menu_lowoutputmode[] = {
   { MT_FORM | MT_KEYPAD | MT_LOW, KM_LEVELSWEEP,"LEVELSWEEP: %s",   "-70..70"},
   { MT_FORM | MT_KEYPAD,   KM_SWEEP_TIME,       "SWEEP TIME: %s",   "15mS..600S"},
   //  { MT_FORM | MT_KEYPAD,   KM_10MHZ,        "10MHZ: %s",         NULL},
-  { MT_FORM | MT_CANCEL,   0,           "\032 BACK",    NULL },
+  { MT_FORM | MT_CANCEL,   0,           "MODE",                     NULL },
   { MT_FORM | MT_NONE, 0, NULL, NULL } // sentinel
 };
 
@@ -1186,7 +1186,7 @@ const menuitem_t  menu_highoutputmode[] = {
   { MT_FORM | MT_SUBMENU,   0,          "LEVEL: %s",        menu_drive_wide},
   { MT_FORM | MT_SUBMENU,   0,          "MODULATION: %s",   menu_modulation},
   { MT_FORM | MT_KEYPAD,    KM_SPAN,    "SPAN: %s",         NULL},
-  { MT_FORM | MT_CANCEL,    0,          "\032 BACK",NULL },
+  { MT_FORM | MT_CANCEL,    0,          "MODE",             NULL },
   { MT_FORM | MT_NONE, 0, NULL, NULL } // sentinel
 };