Edits and additions to User Guide.

doc/CMakeLists.txt

@@ -62,6 +62,7 @@ set (UG_SRCS
   )
 
 set (UG_IMGS
+  images/active_stations.png
   images/AstroData_2.png
   images/Astronomical_data.png
   images/auto-seq.png

doc/user_guide/en/controls-functions-menus.adoc

@@ -37,7 +37,13 @@ examples for configurations `FT8` and `Echo`:
 ==== View Menu
 image::view-menu.png[align="left",alt="View Menu"]
 
-The *SWL Mode* action reduces the _WSJT-X_ main window to a minimum
+*Active Stations* displays a window that can help you to work the most
+distant stations, in particular for the distance-scored ARRL
+International Digital Contest.
+
+image::active_stations.png[align="left",alt="Active Stations"]
+
+*SWL Mode* reduces the _WSJT-X_ main window to a minimum
 size with just the menus, decodes windows, and status bar visible. You
 may find this useful when running multiple instances of the
 application. Both size and location of the main window are saved and

doc/user_guide/en/decoder_notes.adoc

@@ -24,7 +24,8 @@ AP bits, with a specified level of confidence.  Successful AP decodes
 are labeled with an end-of-line indicator of the form `aP`, where `P`
 is one of the single-digit AP decoding types listed in Table 1.  For
 example, `a2` indicates that the successful decode used MyCall as
-hypothetically known information.
+hypothetically known information.  Type `a7`, used only in FT8 mode,
+uses information from the previous Rx sequence.
 
 [[FT8_AP_INFO_TABLE]]
 .FST4, FT4, and FT8 AP information types
@@ -37,6 +38,7 @@ hypothetically known information.
 |a4|MyCall DxCall RRR
 |a5|MyCall DxCall 73
 |a6|MyCall DxCall RR73
+|a7|Call_1 Call_2       ?
 |===
 
 If a codeword is found that is judged to have high (but not

doc/user_guide/en/make-qso.adoc

@@ -69,9 +69,9 @@ Check *Auto Seq* on the main window to enable this feature:
 
 image::auto-seq.png[align="center",alt="AutoSeq"]
 
-When calling CQ you may also choose to check the box *Call 1st*.
-_WSJT-X_ will then respond automatically to the first decoded
-responder to your CQ.
+When calling CQ you may choose to select *CQ: First* to reply
+automatically to the first decoded responder, or *CQ: Max Dist*
+to reply to the most distant responder.
 
 NOTE: When *Auto-Seq* is enabled, the program de-activates *Enable Tx*
 at the end of each QSO.  It is not intended that _WSJT-X_ should make
@@ -90,7 +90,7 @@ types for contest exchanges and carry out suitable auto-sequencing by
 selecting a supported operating activity on the *Settings | Advanced*
 tab.  Model QSOs then proceed as follows, for each event type:
 
-*NA VHF Contest*
+*NA VHF Contest* and *ARRL International Digital Contest*
 
  CQ TEST K1ABC FN42
                        K1ABC W9XYZ EN37
@@ -98,8 +98,9 @@ tab.  Model QSOs then proceed as follows, for each event type:
                        K1ABC W9XYZ RRR
  W9XYZ K1ABC 73
 
-Either callsign (or both) may have /R appended.  You can use RR73 in
-place of RRR, and the final 73 is optional.
+Either callsign (or both) may have /R appended to signify a Rover in a
+VHF contest.  You can use RR73 in place of RRR, and the final 73 is
+optional.
 
 
 *EU VHF Contest*

doc/user_guide/en/new_features.adoc

@@ -1,31 +1,39 @@
 [[NEW_FEATURES]]
 === New in Version {VERSION_MAJOR}.{VERSION_MINOR}
 
-_WSJT-X 2.6_ implements features in support of the ARRL International
-Digital Contest.  This contest's scoring is distance based, so the
-*Call 1st* checkbox is replaced by a drop-down control offering *CQ
-Max Dist* as an alternative.  A new window labeled *Active Stations*
-displays a list of received but unworked callsigns sorted in
-decreasing order of potential contest points.  See Section 7.4 for
-more details on these features.
+- _WSJT-X 2.6_ implements new features supporting the ARRL
+International Digital Contest and its distance based scoring.  The
+*Call 1st* checkbox has been replaced by a drop-down control offering
+*CQ Max Dist* as an alternative.  With this option selected, the
+program will select the reply to your CQ that yields the most contest
+points.  In addition, a new window labeled *Active Stations* displays
+a list of received but unworked callsigns, sorted in decreasing order
+of potential contest points.  Click on a line in this window to call
+that station.
 
-Decoding performance for FT8 and Q65 has been improved for situations
-where _a priori_ (AP) information is available.
+- Decoding performance for FT8 and Q65 has been improved in a variety
+of situations with available _a priori_ (AP) information.
 
-*Echo* mode now offers a button labeled *Clear Avg* and produces
-reliable measurements of SNR and Doppler spread.  The related
-*Measure* function can be used to measure these quantities for a
-received unmodulated carrier -- for example, a key-down test signal
-emitted by another station and reflected from the Moon.
+- *Echo* mode now offers a *Clear Avg* button and produces reliable
+measurements of SNR even when Doppler spread is large.  The *Measure*
+function can be used to measure SNR for a received unmodulated carrier
+-- for example, a key-down test signal emitted by another station and
+reflected from the Moon.
 
-New buttons on the main window allow quick changes between the modes
-FT4, FT8, MSK144, Q65, and JT65.  Another button allows toggling the
+- New buttons on the main window allow quick changes between modes
+FT4, FT8, MSK144, Q65, and JT65.  Another new button allows toggling
 FT8 Hound mode ON or OFF.
 
-Optional highlighting is provided for DX Call and DX Grid, and for
-messages containing RR73 or 73.
+- Optional color highlighting is provided for specified DX Call and DX
+Grid, and for messages containing RR73 or 73.
 
-New options are provided for writing to file ALL.TXT.  You can request
-starting a suitably labeled new file every month or every year, and you
-can disable writing altogether.
+- New options are provided for writing to file ALL.TXT.  You can
+request automatic starting of a new file every month or every year,
+and you can disable writing altogether.
+
+- Other changes include bug fixes and rig control for some new radios.
+
+- _MAP65 3.0_ (available for Windows only) now sends additional
+information to file azel.dat and offers digital scaling of input I/Q
+data.
 

widgets/mainwindow.ui

@@ -3051,8 +3051,8 @@ QLabel[oob="true"] {
     <addaction name="contest_log_action"/>
     <addaction name="fox_log_action"/>
     <addaction name="actionColors"/>
-    <addaction name="actionSWL_Mode"/>
     <addaction name="actionActiveStations"/>
+    <addaction name="actionSWL_Mode"/>
    </widget>
    <widget class="QMenu" name="menuDecode">
     <property name="title">