Updates to User Guide.

doc/user_guide/en/settings-advanced.adoc

@@ -1,6 +1,6 @@
 image::settings-advanced.png[align="center",alt="Settings Advanced"]
 
-_JT65 decoding parameters_ 
+_JT65 VHF/UHF/Microwave decoding parameters_ 
 
 - *Random erasure patterns* logarithmically scales the number of
 pseudo-random trials used by the Franke-Taylor JT65 decoder.  Larger

doc/user_guide/en/settings-audio.adoc

@@ -19,7 +19,7 @@ to prevent inadvertently transmitting them over the air.
 
 +
 
-NOTE: Windows Vista and later may configure audio devices using
+NOTE: Windows 7 and later may configure audio devices using
 the Texas Instruments PCM2900 series CODEC for microphone input rather
 line input.  (This chip is used in many radios with built-in USB
 CODECs, as well as various other audio interfaces.)  If you are using

doc/user_guide/en/settings-radio.adoc

@@ -26,8 +26,6 @@ your radio, select the *Radio* tab.
 
 +
 
-NOTE: _Omni-Rig_ is available only under Windows.
-
 * Set *Poll Interval* to the desired interval for _WSJT-X_ to query
   your radio.  For most radios a small number (say, 1 – 3 s) is
   suitable.

doc/user_guide/en/transceiver-setup.adoc

@@ -39,12 +39,6 @@ TIP: The PC audio mixer normally has two sliders, one for each
   frequency setting, on HF bands you can display the full sub-band
   generally used for one mode.
 
-- Of course, you might prefer to concentrate on one mode at a time,
-  setting your dial frequency to (say) 14.074 for FT8, 14.076 for
-  JT65, or 14.078 for JT9.  Present conventions have the nominal JT9
-  dial frequency 2 kHz higher than the JT65 dial frequency on most
-  bands, and the FT8 frequency 2 kHz lower.
-
 .Transmitter Audio Level
 
 * Click the *Tune* button on the main screen to switch the radio into

doc/user_guide/en/tutorial-example4.adoc

@@ -1,6 +1,7 @@
-FT4 is designed for contesting, particularly on the HF bands.
-Compared with FT8 it is 3.5 dB less sensitive and requires 1.6 times
-the bandwidth, but it offers the potential for twice the QSO rate.
+FT4 is designed for contesting, particularly on the HF bands and 6
+meters.  Compared with FT8 it is 3.5 dB less sensitive and requires
+1.6 times the bandwidth, but it offers the potential for twice the QSO
+rate.
 
 .Main Window:
 - Select *FT4* on the *Mode* menu.