diff --git a/protocol/enttec/dmx-usb-pro/widget.cpp b/protocol/enttec/dmx-usb-pro/widget.cpp
index 5918a79..8946b56 100644
--- a/protocol/enttec/dmx-usb-pro/widget.cpp
+++ b/protocol/enttec/dmx-usb-pro/widget.cpp
@@ -28,9 +28,9 @@ namespace ENTTEC {
 Widget::Widget()
   : serial_number(0)                // SN# 0 for emulated devices
   , firmware_version(2<<8)          // emulated devices support RDM
-  , tx_break_intervals(9)           // 96.06 us (fastest) by default
-  , tx_mab_intervals(1)             // 10.67 us (fastest) by default
-  , tx_rate(0)                      // 0 for fastest rate possible, by default
+  , tx_break_intervals(17)          // 181.4 us by default
+  , tx_mab_intervals(10)            // 106.7 us by default
+  , tx_rate(40)                     // 40 packets/s, by default
   , usb_mode_(USBunknown)
 {
 }