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2018-08-05 11:33:30 -04:00
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+// Status=review
+
+At the center of the main window are a number of controls used when
+making QSOs.  Controls not relevant to a particular mode or submode
+may be "grayed out" (disabled) or removed from the display.
+
+//.Misc Controls Center
+image::misc-controls-center.png[align="center",alt="Misc Controls Center"]
+
+* Check *Tx even* to transmit in even-numbered UTC minutes or
+sequences, starting at 0.  Uncheck this box to transmit in the odd
+sequences.  The correct selection is made automatically when you
+double-click on a decoded text line, as described in the
+<<TUTORIAL,Basic Operating Tutorial>>.
+
+* The Tx and Rx audio frequencies can be set automatically by
+double-clicking on decoded text or a signal in the waterfall.  They
+can also be adjusted using the spinner controls.
+
+* You can force Tx frequency to the current Rx frequency by clicking
+the *Tx<-Rx* button, and vice-versa for *Rx<-Tx*.  The on-the-air
+frequency of your lowest JT9 or JT65 tone is the sum of dial frequency
+and audio Tx frequency.
+
+* Check the box *Lock Tx=Rx* to make the frequencies always track one
+another.
+
+IMPORTANT: In general we do not recommend using *Lock Tx=Rx* since it
+encourages poor radio etiquette when running a frequency.  With this
+box checked, your own Tx frequency will move around following your
+callers.
+
+* For modes lacking a multi-decode feature, or when *Enable
+VHF/UHF/Microwave features* has been checked on the *Settings ->
+General* tab, the *F Tol* control sets a frequency toilerance range
+over which decoding will be attempted, centered on the Rx frequency.
+
+* The *Report* control lets you change a signal report that has been
+inserted automatically. Typical reports for the various modes fall in
+the range –30 to +20 dB.  Remember that JT65 reports saturate at an
+upper limit of -1 dB.
+
+TIP: Consider reducing power if your QSO partner reports your
+signal above -5 dB in one of the _WSJT-X_ slow modes.  These are
+supposed to be weak signal modes!
+
+* In some circumstances, especially on VHF and higher bands, you can
+select a supported submode of the active mode by using the *Submode*
+control.  The *Sync* control sets a minimum threshold for establishing
+time and frequency synchronization with a received signal.
+
+* Spinner control *T/R xx s* sets sequence lengths for transmission
+and reception in ISCAT, MSK144, and the fast JT9 modes.
+
+* With *Split operation* activated on the *Settings -> Radio* tab, in
+MSK144 and the fast JT9 submodes you can activate the spinner control
+*Tx CQ nnn* by checking the box to its right.  The program will then
+generate something like `CQ nnn K1ABC FN42` for your CQ message, where
+`nnn` is the kHz portion of your current operating frequency,
+in the range 010 to 999.  Your CQ
+message *Tx6* will then be transmitted at the calling frequency
+selected in the *Tx CQ nnn* spinner control.  All other messages will
+be transmitted at your current operating frequency.  On reception,
+when you double-click on a message like `CQ nnn K1ABC FN42` your rig
+will QSY to the specified frequency so you can call the station at his
+specified response frequency.
+
+* Checkboxes at bottom center of the main window control special
+features for particular operating modes:
+
+** *Sh* enables shorthand messages in JT4, JT65, QRA64 and MSK144 modes
+
+** *Fast* enables fast JT9 submodes
+
+** *Auto Seq* enables auto-sequencing of Tx messages
+
+** *Call 1st* enables automatic response to the first decoded
+responder to your CQ
+
+** *Tx6* toggles between two types of shorthand messages in JT4 mode