Index: trunk/BNC/bncwindow.cpp
===================================================================
--- trunk/BNC/bncwindow.cpp	(revision 2759)
+++ trunk/BNC/bncwindow.cpp	(revision 2760)
@@ -474,8 +474,8 @@
   _pppNMEAPortLineEdit->setWhatsThis(tr("<p>Specify an IP port number to output PPP results as NMEA messages through an IP port.</p>"));
   _pppSigCLineEdit->setWhatsThis(tr("<p>Enter a sigma for your code observations in meters.</p><p>The higher the sigma you enter, the less the contribution of code observations to a PPP solution based on a combination of code and phase data. 5.0 (default) is likely to be an appropriate choice.</p>"));
-  _pppQuickStartLineEdit->setWhatsThis(tr("<p>Enter the lenght of a startup period in seconds for which you want to fix the PPP solution to a known XYZ coordinate as introduced above. Fixing the coordinate is done in BNC through setting the 'XYZ White Noise' you define below temporarily to zero.</p><p>This so-called Quick-Start option allows the PPP solution to rapidly converge. It requires that the antenna remains unmoved on the know position throughout the startup period.</p><p>A value of 120 is likely to be an appropriate choice for 'Quick-Start'. Default is an empty option field, meaning that you don't want BNC to operate in Quick-Start mode.</p>"));
+  _pppQuickStartLineEdit->setWhatsThis(tr("<p>Enter the lenght of a startup period in seconds for which you want to fix the PPP solution to a known XYZ coordinate as introduced above and adjust a sigma 'XYZ Ini' according to the coordinate's precision. Fixing the coordinate is done in BNC through setting the 'XYZ White Noise' you define below temporarily to zero.</p><p>This so-called Quick-Start option allows the PPP solution to rapidly converge. It requires that the antenna remains unmoved on the know position throughout the startup period.</p><p>A value of 120 is likely to be an appropriate choice for 'Quick-Start'. Default is an empty option field, meaning that you don't want BNC to operate in Quick-Start mode.</p>"));
   _pppSigPLineEdit->setWhatsThis(tr("<p>Enter a sigma for your phase observations in meters.</p><p>The higher the sigma you enter, the less the contribution of phase observations to a PPP solutions based on a combination of code and phase data. 0.02 (default) is likely to be an appropriate choice.</p>"));
   _pppAverageLineEdit->setWhatsThis(tr("<p>Enter the length of a sliding time window in minutes. BNC will continuously output moving average positions computed from those individual positions obtained most recently throughout this period.</p><p>An empty option field (default) means that you don't want BNC to output moving average positions.</p>"));
-  _pppSigCrd0->setWhatsThis(tr("<p>Enter a sigma in meters for the initial XYZ coordinate componentes. A value of 100.0 may be an appropriate choice. However, this value may be significantly smaller (i.e. 0.01) when starting from a station with known XZY position."));
+  _pppSigCrd0->setWhatsThis(tr("<p>Enter a sigma in meters for the initial XYZ coordinate componentes. A value of 100.0 may be an appropriate choice. However, this value may be significantly smaller (i.e. 0.01) when starting for example from a station with known XZY position in Quick-Start mode."));
   _pppSigCrdP->setWhatsThis(tr("<p>Enter a sigma in meters for the 'White Noise' of estimated XYZ coordinate components. A value of 100.0 may be appropriate considering the potential movement of a rover position.</p>"));
   _pppSigTrp0->setWhatsThis(tr("<p>Enter a sigma in meters for the a-priory model based tropospheric delay estimation. A value of 0.1 (default) may be an appropriate choice.</p>"));
