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Dynamically switching terminal model


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WilliamDownie

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PostPosted: Wed Nov 25, 2020 9:16 pm
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I may not be remembering this correctly, but, a few years ago I worked with someone who used ISPF EDIT, =3;4 etc on a Model 4 terminal, but when he went into SDSF it dynamically switched to a Model 5 (so moving to 133 col display). I think the emulator was Extra! . This was very handy. I was using an in-house emualtor and could not get this feature to work.

Does anyone know if it is possible to switch to/from a terminal Model without logging off ISPF, changing the terminal model through the emulator's options and then logging back onto ISPF again ? Perhaps dynamically switching Model is a feature of the emualtor ?

(I'm not sure if this is correct forum for this query, perhaps "All Other Mainframe Topics" is more apt. I can post there instead if required.)
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Willy Jensen

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PostPosted: Thu Nov 26, 2020 5:25 pm
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Try option '0' Settings, then look at 'Terminal characteristics'. I usually have Screen format 3 and Terminal Type 3. But what you can do is down to your emulator settings.
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prino
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PostPosted: Thu Nov 26, 2020 7:54 pm
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And display "MAX"
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Willy Jensen

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PostPosted: Thu Nov 26, 2020 8:01 pm
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Screen format 3 is MAX, or did you mean something else?
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WilliamDownie

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PostPosted: Fri Nov 27, 2020 1:29 pm
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My "Screen format " is set to 3 (Max) and "Terminal Type" is set to 3 (3278). I can't see anything in the emulator (Vista TN3270) to do with changing terminal model based on application being used.
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Willy Jensen

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PostPosted: Fri Nov 27, 2020 2:10 pm
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Sorry, I meant that the emulator defines the maximum size of the screen. It is of course fixed for the duration of the session.
Maybe you can tell us what the problem is. When I go to SDSF it uses the entire width of the screen which in my case is 150. As does edit when I edit a dataset with a record length equal to or greater than the screen width.
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WilliamDownie

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PostPosted: Fri Nov 27, 2020 2:19 pm
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Willy, you've answered my question with "It is of course fixed for the duration of the session". What I thought was when my colleague went from (say) EDIT to SDSF the terminal model changed from model 4 to model 5, so giving him 132 columns in SDSF (much better for viewing listings). And then when he went back to Edit is change back to a model 4.

It's wishful thinking from me and I'm not remembering correctly icon_confused.gif
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WilliamDownie

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PostPosted: Fri Nov 27, 2020 4:46 pm
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I've contacted my old work colleague who confirms this is wishful thinking on my part. He was using a Model 5 terminal in EDIT and in SDSF.
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Willy Jensen

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PostPosted: Fri Nov 27, 2020 6:29 pm
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Actually you can change the terminal size sort-of in-flight. It requires a login reconnect and the display looks very weird indeed afterwards, as ISPF does not pick up the changed attributes.
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prino
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PostPosted: Fri Nov 27, 2020 7:40 pm
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Willy Jensen wrote:
Screen format 3 is MAX, or did you mean something else?

Sorry, realised this too late, and then could not get in again.
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