diff --git a/ft8cn/app/src/main/java/com/bg7yoz/ft8cn/rigs/ElecraftRig.java b/ft8cn/app/src/main/java/com/bg7yoz/ft8cn/rigs/ElecraftRig.java
index bb5a98d..bd1df1b 100644
--- a/ft8cn/app/src/main/java/com/bg7yoz/ft8cn/rigs/ElecraftRig.java
+++ b/ft8cn/app/src/main/java/com/bg7yoz/ft8cn/rigs/ElecraftRig.java
@@ -101,7 +101,7 @@ public class ElecraftRig extends BaseRig {
     @Override
     public void setUsbModeToRig() {
         if (getConnector() != null) {
-            getConnector().sendData(ElecraftRigConstant.setOperationUSBMode());
+            getConnector().sendData(ElecraftRigConstant.setOperationDataMode());
         }
     }
 
diff --git a/ft8cn/app/src/main/java/com/bg7yoz/ft8cn/rigs/ElecraftRigConstant.java b/ft8cn/app/src/main/java/com/bg7yoz/ft8cn/rigs/ElecraftRigConstant.java
index 0c3c15e..ee0e414 100644
--- a/ft8cn/app/src/main/java/com/bg7yoz/ft8cn/rigs/ElecraftRigConstant.java
+++ b/ft8cn/app/src/main/java/com/bg7yoz/ft8cn/rigs/ElecraftRigConstant.java
@@ -21,6 +21,8 @@ public class ElecraftRigConstant {
     private static final String PTT_ON = "TX;";
     private static final String PTT_OFF = "RX;";
     private static final String USB_MODE = "MD2;";
+    private static final String DATA_MODE = "MD6;";
+    private static final String DATA_R_MODE = "MD7;";
     private static final String READ_FREQ = "FA;";
     private static final String READ_SWR = "SWR;";
 
@@ -67,6 +69,10 @@ public class ElecraftRigConstant {
         return USB_MODE.getBytes();
     }
 
+    public static byte[] setOperationDataMode() {
+        return DATA_MODE.getBytes();
+    }
+
 
     @SuppressLint("DefaultLocale")
     public static byte[] setOperationFreq11Byte(long freq) {//用于KENWOOD TS590