--- a/src/org/tn5250j/framework/tn5250/tnvt.java	Tue Jun 17 11:35:01 2014 -0700
+++ b/src/org/tn5250j/framework/tn5250/tnvt.java	Tue Jun 17 15:13:41 2014 -0700
@@ -77,7 +77,7 @@
 import java.util.Properties;
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.BlockingQueue;
-
+import java.util.concurrent.TimeUnit;
 import javax.net.ssl.SSLSocket;
 
 import android.content.Intent;
@@ -140,6 +140,7 @@
     private boolean cursorOn = false;
     private String hostname = "";
     private int port = 23;
+    private vt320 buffer;
     private boolean connected = false;
     private boolean support132 = true;
     private ByteArrayOutputStream baosp = null;
@@ -260,6 +261,7 @@
         try {
             this.hostname = hostname;
             this.port     = port;
+            this.buffer   = buffer;
 
             try {
                 screen52.getOIA().setInputInhibited(ScreenOIA.INPUTINHIBITED_SYSTEM_WAIT,
@@ -298,7 +300,7 @@
 
             }
 
-            producer = new DataStreamProducer(this, bin, buffer, dsq, abyte0);
+            producer = new DataStreamProducer(this, bin, dsq, abyte0);
             pthread = new Thread(producer);
             //         pthread.setPriority(pthread.MIN_PRIORITY);
             pthread.setPriority(Thread.NORM_PRIORITY);
@@ -986,7 +988,12 @@
         while (keepTrucking) {
 
             try {
-                bk.initialize((byte[]) dsq.take());
+                Object e = dsq.poll(0L, TimeUnit.SECONDS);
+                if (e == null) {
+                    buffer.testChanged();
+                    e = dsq.take();
+                };
+                bk.initialize((byte[])e);
             } catch (InterruptedException ie) {
                 Log.w(TAG,"   vt thread interrupted and stopping ");
                 keepTrucking = false;