diff --git a/main.c b/main.c
index 1e374f4..39908b4 100644
--- a/main.c
+++ b/main.c
@@ -1210,29 +1210,30 @@ VNA_SHELL_FUNCTION(cmd_sweep)
   }
   uint32_t value0 = 0;
   uint32_t value1 = 0;
+  uint32_t value2 = 0;
   if (argc >= 1) value0 = my_atoui(argv[0]);
   if (argc >= 2) value1 = my_atoui(argv[1]);
+  if (argc >= 3) value2 = my_atoui(argv[2]);
 #if MAX_FREQ_TYPE != 5
 #error "Sweep mode possibly changed, check cmd_sweep function"
 #endif
   // Parse sweep {start|stop|center|span|cw} {freq(Hz)}
   // get enum ST_START, ST_STOP, ST_CENTER, ST_SPAN, ST_CW
   static const char sweep_cmd[] = "start|stop|center|span|cw";
-  if (argc == 2 && value0 == 0) {
-    int type = get_str_index(argv[0], sweep_cmd);
-    if (type == -1)
-      goto usage;
+  int type = get_str_index(argv[0], sweep_cmd);
+  if (type >=0) {
     set_sweep_frequency(type, value1);
     return;
   }
   //  Parse sweep {start(Hz)} [stop(Hz)]
-  if (value0)
-    set_sweep_frequency(ST_START, value0);
+  set_sweep_frequency(ST_START, value0);
   if (value1)
     set_sweep_frequency(ST_STOP, value1);
+  if (value2)
+    set_sweep_points(value2);
   return;
 usage:
-  shell_printf("usage: sweep {start(Hz)} [stop(Hz)]\r\n"\
+  shell_printf("usage: sweep {start(Hz)} [stop(Hz)] [points]\r\n"\
                "\tsweep {%s} {freq(Hz)}\r\n", sweep_cmd);
 }
 
diff --git a/sa_core.c b/sa_core.c
index 1d46af0..d0fe648 100644
--- a/sa_core.c
+++ b/sa_core.c
@@ -112,7 +112,7 @@ void reset_settings(int m)
   switch(m) {
   case M_LOW:
     minFreq = 0;
-    maxFreq = 520000000;
+    maxFreq = 350000000;
     set_sweep_frequency(ST_START, (uint32_t) 0);
     set_sweep_frequency(ST_STOP, (uint32_t) 350000000);
     setting.attenuate = 30.0;
@@ -132,7 +132,7 @@ void reset_settings(int m)
   case M_GENLOW:
     setting.drive=8;
     minFreq = 0;
-    maxFreq = 520000000;
+    maxFreq = 350000000;
     set_sweep_frequency(ST_CENTER, 10000000);
     set_sweep_frequency(ST_SPAN, 0);
     setting.sweep_time_us = 10*ONE_SECOND_TIME;
@@ -895,9 +895,9 @@ pureRSSI_t get_frequency_correction(uint32_t f)      // Frequency dependent RSSI
   while (f > config.correction_frequency[i] && i < CORRECTION_POINTS)
     i++;
   if (i >= CORRECTION_POINTS)
-    return(config.correction_value[CORRECTION_POINTS-1]);
+    return(scaled_correction_value[CORRECTION_POINTS-1] >> (SCALE_FACTOR - 5) );
   if (i == 0)
-    return(config.correction_value[0]);
+    return(scaled_correction_value[0] >> (SCALE_FACTOR - 5) );
   f = f - config.correction_frequency[i-1];
 #if 0
   uint32_t m = (config.correction_frequency[i] - config.correction_frequency[i-1]) >> SCALE_FACTOR ;
@@ -2725,7 +2725,7 @@ int validate_signal_within(int i, float margin)
     return TS_CRITICAL;
   }
   test_fail_cause[i] = "Frequency ";
-  if (peakFreq < test_case[i].center * 1000000 - 200000 || test_case[i].center * 1000000 + 200000 < peakFreq )
+  if (peakFreq < test_case[i].center * 1000000 - 600000 || test_case[i].center * 1000000 + 600000 < peakFreq )
     return TS_FAIL;
   test_fail_cause[i] = "";
   return TS_PASS;
diff --git a/ui_sa.c b/ui_sa.c
index bdc79b8..393d9e8 100644
--- a/ui_sa.c
+++ b/ui_sa.c
@@ -1263,7 +1263,7 @@ static const menuitem_t menu_atten[] = {
   { MT_CALLBACK | MT_LOW, 0,               "AUTO",    menu_atten_cb},
   { MT_KEYPAD | MT_LOW,   KM_ATTENUATION,  "MANUAL",  "0..30"},
   { MT_CALLBACK | MT_HIGH,0,               "0dB",     menu_atten_high_cb},
-  { MT_CALLBACK | MT_HIGH,30,              "\n0225..40dB",    menu_atten_high_cb},
+  { MT_CALLBACK | MT_HIGH,30,              "22.5dB..\n40dB",    menu_atten_high_cb},
   { MT_CANCEL, 0,               "\032 BACK", NULL },
   { MT_FORM | MT_NONE,   0, NULL, NULL } // sentinel
 };
@@ -1428,9 +1428,9 @@ static const menuitem_t menu_measure[] = {
   { MT_CALLBACK,            M_IMD,        "HARMONIC",         menu_measure_cb},
   { MT_CALLBACK,            M_OIP3,       "OIP3",             menu_measure_cb},
   { MT_CALLBACK,            M_PHASE_NOISE,"PHASE\nNOISE",   menu_measure_cb},
-  { MT_CALLBACK,            M_STOP_BAND,  "STOP\nBAND",     menu_measure_cb},
-  { MT_CALLBACK,            M_PASS_BAND,  "PASS\nBAND",     menu_measure_cb},
-  { MT_CALLBACK | MT_LOW,   M_LINEARITY,  "LINEAR",           menu_measure_cb},
+//  { MT_CALLBACK,            M_STOP_BAND,  "STOP\nBAND",     menu_measure_cb},
+//  { MT_CALLBACK,            M_PASS_BAND,  "PASS\nBAND",     menu_measure_cb},
+//  { MT_CALLBACK | MT_LOW,   M_LINEARITY,  "LINEAR",           menu_measure_cb},
   { MT_CANCEL, 0,               "\032 BACK", NULL },
   { MT_NONE,   0, NULL, NULL } // sentinel
 };
@@ -1501,7 +1501,7 @@ static const menuitem_t menu_level[] = {
   { MT_SUBMENU, 0,          "ATTEN",        menu_atten},
   { MT_SUBMENU,0,           "CALC",         menu_average},
   { MT_SUBMENU, 0,          "UNIT",         menu_unit},
-  { MT_KEYPAD,  KM_OFFSET,  "EXTERN\nAMP",NULL},
+  { MT_KEYPAD,  KM_OFFSET,  "EXTERNAL\nAMP",NULL},
   { MT_SUBMENU,  0,         "TRIGGER",      menu_trigger},
   { MT_CANCEL, 0,           "\032 BACK",NULL },
   { MT_NONE,   0, NULL, NULL } // sentinel