Index: controls-functions-main-window.adoc
===================================================================
--- controls-functions-main-window.adoc	(revision 6281)
+++ controls-functions-main-window.adoc	(working copy)
@@ -44,7 +44,8 @@
 
 * *Tune* may be used to switch into Tx mode and generate an
 unmodulated carrier at the specified Tx frequency (red marker on
-waterfall scale).  This process may be useful for adjusting an antenna
+waterfall scale).  WSJT-X will remember whatever power level you use 
+for tuning.  This process may be useful for adjusting an antenna
 tuner.  The button is highlighted in red while *Tune* is active.
 Toggle the button a second time or click *Halt Tx* to terminate the
 *Tune* process.