diff --git a/RX_FSK/data/screens.txt b/RX_FSK/data/screens.txt
index 69690d0..9b51880 100644
--- a/RX_FSK/data/screens.txt
+++ b/RX_FSK/data/screens.txt
@@ -207,7 +207,7 @@ key2action=#,#,#,#
 timeaction=#,D,+
 fonts=5,6
 0,0=XScan:
-0,8=T
+0,8,5=T
 3,0=F MHz
 5,0=S
 7,5=n
@@ -219,7 +219,7 @@ key1action=+,0,F,W
 key2action=>,#,#,#
 timeaction=#,#,0
 color=FFD700
-0,0=Is
+0,0=Id
 color=0000FF
 0,11,-5.5=f
 1,1,6=c
diff --git a/libraries/SondeLib/DFM.cpp b/libraries/SondeLib/DFM.cpp
index a0fad81..9e6467a 100644
--- a/libraries/SondeLib/DFM.cpp
+++ b/libraries/SondeLib/DFM.cpp
@@ -72,6 +72,7 @@ int DFM::setup(float frequency, int inv)
         Serial.println(frequency);
 
 	int retval = sx1278.setFrequency(frequency);
+        sx1278.clearIRQFlags();
 	DFM_DBG(Serial.println("Setting SX1278 config for DFM finished\n"); Serial.println());
 	return retval;
 }
diff --git a/libraries/SondeLib/RS41.cpp b/libraries/SondeLib/RS41.cpp
index d885806..eaf04a8 100644
--- a/libraries/SondeLib/RS41.cpp
+++ b/libraries/SondeLib/RS41.cpp
@@ -143,9 +143,11 @@ int RS41::setup(float frequency)
 #if RS41_DEBUG
 	RS41_DBG(Serial.println("Setting SX1278 config for RS41 finished\n"); Serial.println());
 #endif
-	// go go go
-        sx1278.setPayloadLength(RS41MAXLEN-8);    // Expect 320-8 bytes or 518-8 bytes (8 byte header)
-        sx1278.writeRegister(REG_OP_MODE, FSK_RX_MODE);
+        sx1278.clearIRQFlags();
+
+	// the following is already done in receivePacketTimeout()
+	// sx1278.setPayloadLength(RS41MAXLEN-8);    // Expect 320-8 bytes or 518-8 bytes (8 byte header)
+        // sx1278.writeRegister(REG_OP_MODE, FSK_RX_MODE);
 	return retval;
 }
 
diff --git a/libraries/SondeLib/RS92.cpp b/libraries/SondeLib/RS92.cpp
index 5d777ed..72a4c2b 100644
--- a/libraries/SondeLib/RS92.cpp
+++ b/libraries/SondeLib/RS92.cpp
@@ -183,6 +183,8 @@ int RS92::setup(float frequency)
 	Serial.print("RS92: setting RX frequency to ");
         Serial.println(frequency);
         int res = sx1278.setFrequency(frequency);
+        sx1278.clearIRQFlags();
+
         // enable RX
         sx1278.setPayloadLength(0);  // infinite for now...
 	//sx1278.setPayloadLength(292);