diff --git a/chprintf.c b/chprintf.c
index 90736ba..1e43cc7 100644
--- a/chprintf.c
+++ b/chprintf.c
@@ -331,11 +331,11 @@ int chvprintf(BaseSequentialStream *chp, const char *fmt, va_list ap) {
       state|=DEFAULT_PRESCISION;
     //Get [length]
     if (c == 'l' || c == 'L') {
-      state|=IS_LONG;
+      // state|=IS_LONG; // Ignore Long
       if (*fmt)
         c = *fmt++;
     }
-    /*
+	/*
     else if ((c >= 'A') && (c <= 'Z'))
         state|=IS_LONG;
     */
diff --git a/nanovna.h b/nanovna.h
index 00e74d0..f4e03ca 100644
--- a/nanovna.h
+++ b/nanovna.h
@@ -326,7 +326,7 @@ void set_attack(int);
 void set_noise(int);
 void toggle_tracking_output(void);
 extern int32_t frequencyExtra;
-void set_30mhz(freq_t f);
+void set_30mhz(freq_t);
 void set_modulation(int);
 void set_modulation_frequency(int);
 int search_maximum(int m, freq_t center, int span);
@@ -563,7 +563,7 @@ typedef struct config {
   int16_t  touch_cal[4];
   uint32_t _serial_speed;
 #ifdef __VNA__
-  uint32_t harmonic_freq_threshold;
+  freq_t harmonic_freq_threshold;
 #endif
   uint16_t dac_value;
   uint16_t vbat_offset;
@@ -588,7 +588,7 @@ typedef struct config {
   int8_t    ultra;
   uint32_t    dummy;
 //  uint8_t _reserved[22];
-  uint32_t checksum;
+  freq_t checksum;
 } config_t;
 
 extern config_t config;
diff --git a/sa_core.c b/sa_core.c
index d928ce0..e5fc958 100644
--- a/sa_core.c
+++ b/sa_core.c
@@ -60,6 +60,8 @@ void clear_frequency_cache(void)
   ADF4351_force_refresh();
 }
 
+static freq_t old_freq[4] = { 0, 0, 0, 0};
+static freq_t real_old_freq[4] = { 0, 0, 0, 0};
 //int setting.refer = -1;  // Off by default
 const int reffer_freq[] = {30000000, 15000000, 10000000, 4000000, 3000000, 2000000, 1000000};
 
@@ -1601,7 +1603,7 @@ void update_rbw(void)           // calculate the actual_rbw and the vbwSteps (#
   } else {
     setting.vbw_x10 = 3000; // trick to get right default rbw in zero span mode
   }
-  uint32_t temp_actual_rbw_x10 = setting.rbw_x10;     // requested rbw , 32 bit !!!!!!
+  freq_t temp_actual_rbw_x10 = setting.rbw_x10;     // requested rbw , 32 bit !!!!!!
   if (temp_actual_rbw_x10 == 0) {        // if auto rbw
     if (setting.step_delay_mode==SD_FAST) {    // if in fast scanning
 #ifdef __SI4432__
@@ -2462,7 +2464,7 @@ modulation_again:
     if (MODE_OUTPUT(setting.mode)) {               // No substepping and no RSSI in output mode
       if (break_on_operation && operation_requested)          // break subscanning if requested
         return(0);         // abort
-      if (i == 1 && MODE_OUTPUT(setting.mode) && setting.modulation != MO_NONE && setting.modulation != MO_EXTERNAL) { // if in output mode with modulation
+      if ( i==1 && MODE_OUTPUT(setting.mode) && setting.modulation != MO_NONE && setting.modulation != MO_EXTERNAL) { // if in output mode with modulation and LO setup done
 //        i = 1;              // Everything set so skip LO setting
         goto modulation_again;                                             // Keep repeating sweep loop till user aborts by input
       }
@@ -2950,7 +2952,7 @@ sweep_again:                                // stay in sweep loop when output mo
 #define AUTO_TARGET_LEVEL   -30
 #define AUTO_TARGET_WINDOW  2
 
-  if (!in_selftest && setting.mode == M_LOW && setting.auto_attenuation && max_index[0] > 0) {  // calculate and apply auto attenuate
+  if (!in_selftest && setting.mode == M_LOW && setting.auto_attenuation) {  // calculate and apply auto attenuate
     setting.atten_step = false;     // No step attenuate in low mode auto attenuate
     int changed = false;
     int delta = 0;
@@ -3892,7 +3894,7 @@ void self_test(int test)
     setting.frequency_step = 30000;
     if (setting.test_argument > 0)
       setting.frequency_step=setting.test_argument;
-    uint32_t f = 400000;           // Start search at 400kHz
+    freq_t f = 400000;           // Start search at 400kHz
     //  int i = 0;                     // Index in spur table (temp_t)
     set_RBW(setting.frequency_step/100);
     last_spur = 0;
diff --git a/ui.c b/ui.c
index ef6b254..d8c86c9 100644
--- a/ui.c
+++ b/ui.c
@@ -1276,6 +1276,7 @@ menu_move_back(void)
 
   if (current_menu_is_form()) {
     redraw_frame();
+    redraw_request |= REDRAW_BATTERY;
     area_width = 0;
   } else {
 //    redraw_frame();
@@ -1311,6 +1312,7 @@ menu_push_submenu(const menuitem_t *submenu)
   ensure_selection();
   if (menu_is_form(submenu)) {
     redraw_frame();
+    redraw_request |= REDRAW_BATTERY;
     area_width = 0;
   } else {
 //    redraw_frame();
@@ -2119,7 +2121,7 @@ menu_select_touch(int i, int pos)
         step = setting.slider_span;
         break;
       }
-      if (step < 0 && get_sweep_frequency(ST_CENTER) <  (unsigned int)-step)
+      if (step < 0 && get_sweep_frequency(ST_CENTER) < (freq_t)(-step))
         uistat.value = 0;
       else
         uistat.value = get_sweep_frequency(ST_CENTER) + step;