2015-05-27 19:50:08 -04:00
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// Status=review
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_WSJT-X_ offers CAT (Computer Aided Transceiver) control of the
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relevant features of most modern transceivers. To configure the
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program for your radio, select the *Radio* tab.
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image::images/RadioTab.png[align="center",alt="Radio Tab"]
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- Select your radio type from the drop-down list labeled *Rig*, or
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*None* if you do not wish to use CAT control.
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- Alternatively, if you have configured your station for control by
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*DX Lab Suite Commander*, *Ham Radio Deluxe*, *Hamlib NET rigctl*, or
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*OmniRig*, you may select one of those program names from the *Rig*
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list. In these cases the entry field immediately under _CAT Control_
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will be relabeled as *Network Server*. Leave this field blank to
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access the default instance of your control program, running on the
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same computer. If the control program runs on a different computer
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and/or port, specify it here. Hover the mouse pointer over the entry
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field to see the required formatting details.
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- Select *OmniRig Rig 1* or *OmniRig Rig 2* to connect to an _OmniRig_
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server running on the same computer. Note that _OmniRig_ is available
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only under Windows.
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- Set *Poll Interval* to the desired interval for _WSJT-X_ to query
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your radio. For most radios a small number (say, 1 – 3 s) is
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suitable.
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- _CAT Control_: To have _WSJT-X_ control the radio directly rather
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than though another program, make the following settings:
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* Select the *Serial Port* used to communicate with your radio.
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* _Serial Port Parameters_: Set values for *Baud Rate*, *Data Bits*,
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*Stop Bits*, and *Handshake* method. Consult your radio's user guide
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for the proper parameter values.
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2015-05-28 10:36:41 -04:00
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* _Force Control Lines_: A few station setups require the CAT serial
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port’s *RTS* and/or *DTR* control lines to be forced high or
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low. Check these boxes only if you are sure they are needed.
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2015-05-27 19:50:08 -04:00
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- _PTT Method_: select *VOX*, *CAT*, *DTR*, or *RTS* as the desired
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method for T/R switching. If your choice is *DTR* or *RTS*, select
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2015-05-28 10:36:41 -04:00
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the desired serial port (which may be the same one as used for
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CAT control).
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2015-05-27 19:50:08 -04:00
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- _Transmit Audio Source_: some radios permit you to choose the
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connector that will accept Tx audio. If this choice is enabled,
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select *Rear/Data* or *Front/Mic*.
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- _Mode_: _WSJT-X_ uses upper sideband mode for both transmitting and
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receiving. Select *USB*, or choose *Data/Pkt* if your radio offers
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such an option and uses it to enable the rear-panel audio line input.
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Some radios also offer wider and/or flatter passbands when set to
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*Data/Pkt* mode. Select *None* if you do not want _WSJT-X_ to change
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the radio's Mode setting.
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- _Split Operation_: Significant advantages result from using *Split*
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mode (separate VFOs for Rx and Tx) if your radio supports it. If it
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does not, _WSJT-X_ can simulate such behavior. Either method will
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result in a cleaner transmitted signal, by keeping the Tx audio always
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in the range 1500 to 2000 Hz so that audio harmonics cannot pass
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through the Tx sideband filter. Select *Rig* to use the radio's Split
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mode, or *Fake It* to have _WSJT-X_ adjust the VFO frequency as
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needed, just before T/R switching occurs. Choose *None* if you do not
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wish to use split operation.
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When all required settings have been made, click *Test CAT* to test
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communication between _WSJT-X_ and your radio. The button should turn
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green to indicate that proper communication has been established.
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Failure of the CAT-control test turns the button red and displays an
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error message. After a succesful CAT test, toggle the *Test PTT*
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button to confirm that your selected method of T/R control is working
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properly.
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