diff --git a/java/src/ch/ntb/usb/Device.java b/java/src/ch/ntb/usb/Device.java
index df9675d..dd44d16 100644
--- a/java/src/ch/ntb/usb/Device.java
+++ b/java/src/ch/ntb/usb/Device.java
@@ -27,7 +27,7 @@ public class Device {
 
 	private boolean resetOnFirstOpen, resetDone;
 
-	private Usb_Device_Descriptor devDesc;
+	private int resetTimeout = 1000;
 
 	protected Device(short idVendor, short idProduct) {
 		resetOnFirstOpen = false;
@@ -81,7 +81,7 @@ public class Device {
 		while (bus != null) {
 			Usb_Device dev = bus.devices;
 			while (dev != null) {
-				devDesc = dev.descriptor;
+				Usb_Device_Descriptor devDesc = dev.descriptor;
 				if ((devDesc.idVendor == idVendor)
 						&& (devDesc.idProduct == idProduct)) {
 					logger.info("Open device: " + dev.filename);
@@ -128,7 +128,7 @@ public class Device {
 			resetDone = true;
 			reset();
 			try {
-				Thread.sleep(1000);
+				Thread.sleep(resetTimeout);
 			} catch (InterruptedException e) {
 				//
 			}
@@ -545,12 +545,17 @@ public class Device {
 	 * If enabled, the device is reset when first opened. <br>
 	 * This will only happen once. When the application is started, the device
 	 * state is unknown. If the device is not reset, read or write may result in
-	 * a {@link USBTimeoutException}.
+	 * a {@link USBTimeoutException}.<br>
+	 * <br>
+	 * This feature is disabled by default.
 	 * 
 	 * @param enable
 	 *            true if the device should be reset when first opened
+	 * @param timeout
+	 *            the timeout between the reset and the reopening
 	 */
-	public void setResetOnFirstOpen(boolean enable) {
+	public void setResetOnFirstOpen(boolean enable, int timeout) {
 		resetOnFirstOpen = enable;
+		resetTimeout = timeout;
 	}
 }
diff --git a/java/src/ch/ntb/usb/LibusbWin.java b/java/src/ch/ntb/usb/LibusbWin.java
index 9b34c6a..0d32490 100644
--- a/java/src/ch/ntb/usb/LibusbWin.java
+++ b/java/src/ch/ntb/usb/LibusbWin.java
@@ -13,7 +13,8 @@ package ch.ntb.usb;
  * kernel driver code.<br>
  * <br>
  * The API description of this class has been copied from the <a
- * href="http://libusb.sourceforge.net/documentation.html">libusb documentation</a>.<br>
+ * href="http://libusb.sourceforge.net/documentation.html">libusb documentation</a>
+ * and adapted where neccessary.<br>
  * 
  * @author schlaepfer
  * @version DLL: 00.02.00
@@ -47,13 +48,15 @@ public class LibusbWin {
 	public static native int usb_find_devices();
 
 	/**
-	 * <code>usb_get_busses</code> simply returns the value of the global
-	 * variable usb_busses. This was implemented for those languages that
-	 * support C calling convention and can use shared libraries, but don't
-	 * support C global variables (like Delphi).
+	 * <code>usb_get_busses</code> returns a tree of descriptor objects.<br>
+	 * The tree represents the bus structure with devices, configurations,
+	 * interfaces and endpoints. Note that this is only a copy. To refresh the
+	 * information, <code>usb_getbusses()</code> must be called again. The
+	 * name of the objects contained in the tree is starting with
+	 * <code>Usb_</code>.
 	 * 
-	 * @return the structure of all busses and devices. <b>Note:</b> The java
-	 *         objects are copies of the C structs.
+	 * @return the structure of all busses and devices. <code>Note:</code> The
+	 *         java objects are copies of the C structs.
 	 */
 	public static native Usb_Bus usb_get_busses();