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107 lines
5.2 KiB
Plaintext
107 lines
5.2 KiB
Plaintext
Notes on WSJT-X Installation for Mac OS X
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If you have already downloaded a previous version of WSJT-X then I suggest
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you change the name in the Applications folder from WSJT-X to WSJT-X_previous
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before proceeding.
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If you have installed a previous version of WSJT-X before then there is no
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need to change anything on your system so proceed to NEXT.
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BEGIN:
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There are some system matters you must deal with first. Open a Terminal window
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by going to Applications->Utilities and clicking on Terminal.
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Along with this ReadMe file there is a file: sysctl.conf. Drag this file to your Desktop.
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WSJT-X makes use of a block of memory which is shared between different parts of
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the code. The normal allocation of shared memory on a Mac is insufficient and this
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has to be increased. You can check the current allocation on your Mac by typing:
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sysctl -a | grep sysv.shm
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If your shmmax is already at least 33554432 (32 MB) then you can close the Terminal
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window and skip the next steps and go to (NEXT).
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Now move this file into place for the system to use by typing: (Note this assumes that
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you really did drag this file to your Desktop as required earlier.)
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sudo cp $HOME/Desktop/sysctl.conf /etc/
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sudo chmod 664 /etc/sysctl.conf
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sudo chown root:wheel /etc/sysctl.conf
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and then reboot your Mac. This is necessary to install the changes. After the
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reboot you should re-open the Terminal window as before and you can check that the
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change has been made by typing:
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sysctl -a | grep sysv.shm
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If shmmax is not shown as 33554432 then contact me since WSJT-X will fail to load with
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an error message: "Unable to create shared memory segment".
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You are now finished with system changes. You should make certain that NO error messages
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have been produced during these steps. You can now close the Terminal window. It will
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not be necessary to repeat this procedure again, even when you download an updated
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version of WSJT-X.
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NEXT:
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Drag the WSJT-X app to your preferred location, such as Applications.
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WSJT-X can utilise a closed source proprietary tool called KVASD to get the best
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possible sensitivity with JT65A signals. When used it increases the maximum sensitivity
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by approximately 2dB. Because WSJT-X is an Open Source application released under the
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GPL v3 license, the KVASD tool must be installed manually after WSJT-X installation.
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The install DMG includes an installer tool KVASD-installer that allows you to install
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KVASD into your WSJT-X application. When you run KVASD-installer you must have a
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functioning Internet connection since it downloads KVASD during the installation.
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Run KVASD-installer and review the license terms then use the "Choose target ..." button
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to select the WSJT-X application you have just installed then; click "Install" to inject
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KVASD into the WSJT-X application.
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You need to configure your sound card. Visit Applications > Utilities > Audio MIDI
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Setup and select your sound card and then set Format to be "48000Hz 2ch-16bit" for
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input and output.
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Now double-click on the WSJT-X app and two windows will appear. Select Preferences
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under the WSJT-X Menu and fill in various station details on the General panel.
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I recommend checking the 4 boxes under the Display heading and the first 4 boxes under
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the Behaviour heading.
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Next visit the Audio panel and select the Audio Codec you use to communicate between
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WSJT-X and your rig. There are so many audio interfaces available that it is not
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possible to give detailed advice on selection. If you have difficulties contact me.
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Note the location of the Save Directory. Decoded wave forms are located here.
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Look at the Reporting panel. If you check the "Prompt me" box, a logging panel will appear
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at the end of the QSO. Two log files are provided in Library/Application Support/WSJT-X.
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These are a simple wsjtx.log file and wsjtx_log.adi which is formatted for use with
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logging databases. The "File" menu bar items include a button "Open log directory"
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to open the log directory in Finder for you, ready for processing by any logging
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application you use.
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Finally, visit the Radio panel. WSJT-X is most effective when operated with CAT
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control. You will need to install the relevant Mac driver for your rig. This must
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be located in the device driver directory /dev. You should install your driver
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and then re-launch WSJT-X. Return to the the Radio panel in Preferences and in
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the "Serial port" panel select your driver from the list that is presented. If
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for some reason your driver is not shown, then insert the full name
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of your driver in the Serial Port panel. Such as: /dev/tty.PL2303-00002226 or
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whatever driver you have. The /dev/ prefix is mandatory. Set the relevant
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communication parameters as required by your transceiver and click "Test CAT" to
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check.
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WSJT-X needs the Mac clock to be accurate. Visit System Preferences > Date & Time
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and make sure that date and time are set automatically. The drop-down menu will
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normally offer you several time servers to choose from.
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On the Help menu, have a look at the new Online User's Guide for operational hints
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and tips.
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Please email me if you have problems.
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--- John G4KLA (g4kla@rmnjmn.demon.co.uk)
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