diff --git a/ili9341.c b/ili9341.c
index 61cb305..7417ef7 100644
--- a/ili9341.c
+++ b/ili9341.c
@@ -467,7 +467,17 @@ void ili9341_read_memory(int x, int y, int w, int h, int len, uint16_t *out)
   dmaStreamEnable(dmarx);
   // Wait DMA completion
   dmaWaitCompletion(dmatx);
+#if 1
+  int count = 0;
+  while ((dmarx)->channel->CNDTR > 0U) {
+    chThdSleepMicroseconds(100);
+    if (count++ > 10)
+      break;
+  }
+  dmaStreamDisable(dmarx);
+#else
   dmaWaitCompletion(dmarx);
+#endif;
   chSysUnlock();
   CS_HIGH;
 
diff --git a/plot.c b/plot.c
index 045fcff..555d553 100644
--- a/plot.c
+++ b/plot.c
@@ -1469,11 +1469,13 @@ draw_all_cells(bool flush_markmap)
     clear_markmap();
   }
 #ifdef __SCROLL__
+  int w = area_width - 5;
+  if (w < 5) w = 5;
   if (waterfall) {
     for (m = 226; m >= HEIGHT+3; m -= 1) {		// Scroll down
       uint16_t *buf = &spi_buffer[0];
-      ili9341_read_memory(5*5, m, 290, 1, 290, buf);
-      ili9341_bulk(5*5,m+1, 290,1);
+      ili9341_read_memory(5*5, m, w, 1, w, buf);
+      ili9341_bulk(5*5,m+1, w,1);
     }
     for (int i=0; i<290; i++) {			// Add new topline
 #if 0
@@ -1510,7 +1512,7 @@ draw_all_cells(bool flush_markmap)
 #endif
       spi_buffer[i] = RGB565(r,g,b);
     }
-    ili9341_bulk(5*5,HEIGHT+3, 290,1);
+    ili9341_bulk(5*5,HEIGHT+3, w,1);
   }
 #endif
 }
diff --git a/ui_sa.c b/ui_sa.c
index 6b06b7a..b417646 100644
--- a/ui_sa.c
+++ b/ui_sa.c
@@ -318,9 +318,6 @@ static void menu_reffer_cb(int item, uint8_t data)
 //  draw_cal_status();
 }
 
-//const int menu_drive_value[]={5,10,15,20};
-const char *menu_drive_text[]={"-15dBm","-10dBm","-5dBm","0dBm","5dBm","10dBm","15dBm","20dBm"};
-
 static void menu_drive_cb(int item, uint8_t data)
 {
   (void)item;
@@ -523,6 +520,11 @@ static void menu_pause_cb(int item, uint8_t data)
 //  draw_cal_status();
 }
 
+//const int menu_drive_value[]={5,10,15,20};
+const char *menu_drive_text[]={"-24dBm","-20dBm","-16dBm","-12dBm","  6dBm"," 10dBm"," 14dBm"," 18dBm"};
+
+
+
 // ===[MENU DEFINITION]=========================================================
 
 static const menuitem_t menu_drive[] = {
@@ -530,18 +532,26 @@ static const menuitem_t menu_drive[] = {
   { MT_CALLBACK, 2, " 15dBm",   menu_drive_cb},
   { MT_CALLBACK, 1, " 10dBm",   menu_drive_cb},
   { MT_CALLBACK, 0, "  5dBm",   menu_drive_cb},
-  { MT_CANCEL,   0, S_LARROW" BACK", NULL },
+  { MT_CANCEL,   255, S_LARROW" BACK", NULL },
   { MT_NONE,     0, NULL, NULL } // sentinel
 };
 
+static const menuitem_t menu_drive_wide2[] = {
+  { MT_FORM | MT_CALLBACK, 2, "-16dBm",   menu_drive_cb  },
+  { MT_FORM | MT_CALLBACK, 1, "-20dBm",   menu_drive_cb},
+  { MT_FORM | MT_CALLBACK, 0, "-24dBm",   menu_drive_cb},
+  { MT_FORM | MT_CANCEL,   255, S_LARROW" BACK", NULL },
+  { MT_FORM | MT_NONE,     0, NULL, NULL } // sentinel
+};
+
 static const menuitem_t menu_drive_wide[] = {
-  { MT_FORM | MT_CALLBACK, 6, " 15dBm",   menu_drive_cb},
+  { MT_FORM | MT_CALLBACK, 7, " 18dBm",   menu_drive_cb},
+  { MT_FORM | MT_CALLBACK, 6, " 14dBm",   menu_drive_cb},
   { MT_FORM | MT_CALLBACK, 5, " 10dBm",   menu_drive_cb},
-  { MT_FORM | MT_CALLBACK, 4, "  5dBm",   menu_drive_cb},
-  { MT_FORM | MT_CALLBACK, 2, " -5dBm",   menu_drive_cb},
-  { MT_FORM | MT_CALLBACK, 1, "-10dBm",   menu_drive_cb},
-  { MT_FORM | MT_CALLBACK, 0, "-15dBm",   menu_drive_cb},
-  { MT_FORM | MT_CANCEL,   0, S_LARROW" BACK", NULL },
+  { MT_FORM | MT_CALLBACK, 4, "  6dBm",   menu_drive_cb},
+  { MT_FORM | MT_CALLBACK, 3, "-12dBm",   menu_drive_cb},
+  { MT_FORM | MT_SUBMENU,  255, S_RARROW" MORE", menu_drive_wide2},
+  { MT_FORM | MT_CANCEL,   255, S_LARROW" BACK", NULL },
   { MT_FORM | MT_NONE,     0, NULL, NULL } // sentinel
 };
 
@@ -939,7 +949,7 @@ static void menu_item_modify_attribute(
       mark = true;
     }
 
-  } else if (menu == menu_drive || menu == menu_drive_wide) {
+  } else if (menu == menu_drive || menu == menu_drive_wide || menu == menu_drive_wide2) {
     if (menu[item].data == setting_drive){
       mark = true;
     }