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115 lines
5.6 KiB
Plaintext
115 lines
5.6 KiB
Plaintext
Notes on WSJT-X Installation for Mac OS X
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Important: If you are using the new Mac with the M1 chip then please read
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the section marked: BEGIN M1. Otherwise BEGIN INTEL applies.
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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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I recommend that you follow the installation instructions especially if you
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are moving from v2.2 to v2.3 of WSJT-X or you have upgraded macOS.
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BEGIN M1:
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Double-click on the wsjtx-...-Darwin.dmg file you have downloaded from K1JT's web-site.
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Now open a Terminal window by going to Applications->Utilities and clicking on Terminal.
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There are two system variables that must be set manually since the M1 Macs do not recognise
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automatic parameter settings by means of the sysctl.conf file present in the download.
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Type these commands - you will be asked for your password which will not be echoed:
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sudo sysctl -w kern.sysv.shmmax=104857600
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sudo sysctl -w kern.sysv.shmall=25600
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It is important to note that these parameter settings will not survive a reboot. If you
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need to reboot your Mac, then these commands must be re-entered. Now proceed to NEXT.
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BEGIN INTEL:
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Double-click on the wsjtx-...-Darwin.dmg file you have downloaded from K1JT's web-site.
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Now open a Terminal window by going to Applications->Utilities and clicking on Terminal.
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Along with this ReadMe file there is a file: sysctl.conf which must be copied to a
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system area by typing this line in the Terminal window and then pressing the Return key.
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sudo cp /Volumes/WSJT-X/sysctl.conf /etc
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you will be asked for your normal password because authorisation is needed to copy this file.
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(Your password will not be echoed but press the Return key when completed.)
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Now re-boot 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 104857600 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 can now close the Terminal window. It will not be necessary to repeat this procedure
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again, even when you download an updated version of WSJT-X. It might be necessary if you
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upgrade macOS.
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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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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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Depending on your macOS you might see a pop-up window suggesting that wsjtx wants to use the
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microphone. What this means is that audio input must be allowed. Agree.
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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. Visit Section 11 of the User Guide for information about log files
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and how to access them.
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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 device driver for your rig,
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and then re-launch WSJT-X. Return to 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 you
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do not know where to get an appropriate driver, contact me.
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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 and possible solutions to any problem you might have.
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Please email me if you have problems.
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--- John G4KLA (g4kla@rmnjmn.co.uk)
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Addendum: Information about sysctl.conf and multiple instances of WSJT-X.
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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. The sysctl.conf file is used for this purpose. You can
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use a Mac editor to examine sysctl.conf. (Do not use another editor - the file
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would probably be corrupted.)
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It is possible to run two instances of WSJT-X simultaneously. See "Section 16.2
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Frequently asked Questions" in the User Guide. If you wish to run more than two instances
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simultaneously, the sysctl.conf file needs to be modified. Please email me with your
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requirements and I will provide a replacement sysctl.conf to suit.
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If two instances of WSJT-X are running, it is likely that you might need additional
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audio devices, from two rigs for example. Visit Audio MIDI Setup and create an Aggregate Device
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which will allow you to specific more than one interface. I recommend you consult Apple's guide
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on combining multiple audio interfaces which is at https://support.apple.com/en-us/HT202000.
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