diff --git a/sa_core.c b/sa_core.c
index 0466be8..4688018 100644
--- a/sa_core.c
+++ b/sa_core.c
@@ -4773,7 +4773,7 @@ void calibrate(void)
 #ifndef TINYSA4
       setting.agc = S_ON;
       setting.lna = S_OFF;
-      set_RBW(6000);
+//      set_RBW(6000);
 #else
       set_RBW(1000);
 #endif
diff --git a/si4432.c b/si4432.c
index ef42922..6fd8c27 100644
--- a/si4432.c
+++ b/si4432.c
@@ -740,10 +740,10 @@ void SI4432_Listen(int s)
       } else
         count++;
       v = max - v;
-      dacPutChannelX(&DACD2, 0, dBm_to_volt[v] << 4);
+      dacPutChannelX(&DACD1, 0, dBm_to_volt[v] << 4);
     } while(operation_requested == OP_NONE);
   count = 0;
-  dacPutChannelX(&DACD2, 0, 0);
+//   dacPutChannelX(&DACD1, 0, 0);
 }
 #endif