72 Rocket Model 204 Terminal User’s Guide
IBM 3270 terminals (IODEV = 41, ALTIODEV =47)
If Model 204 is accessed in line-at-a-time mode, z/VM detects the power-off
condition immediately, disconnects the user, and starts a timer. After 15
minutes, unless the user reconnects to the virtual machine, the user is logged
out of Model 204. Model 204 detects the logout and restarts.
IBM 3270 terminals (IODEV = 41, ALTIODEV =47)
This section summarizes the information needed to use IBM 3270s (and
compatible terminals) operating in full-screen mode. For full-screen usage in a
multiuser environment, the IODEV parameter must be set to 41. For full-screen
usage in a single-user environment, the ALTIODEV parameter must be set
to 47.
Attention key
The PA1 key serves as the attention key on IBM 3270 terminals, unless the
attention key has been reassigned by the user through the FSATTN parameter.
For more information on the FSATTN parameter, refer to the Model 204
Parameter and Command Reference Manual.
An attention interrupt also can be transmitted by first pressing the RESET key
when the keyboard is locked (for example, during request compilation) and
then pressing either Enter, PA1, PA2, CLEAR, or any PF key.
Pausing and canceling output
In full-screen mode, Model 204 pauses at the end of each page of output to
allow the user to read the contents of the screen or to cancel the current
request if too much output is being received.
Valid user responses are.
• Press Enter. The terminal goes on to the next page.
• Press the attention key. Unless an ON ATTENTION statement is in effect
(see“Attention interrupt feature” on page 11), the current output and
request are canceled.
• Enter a backpage request. (See “Backpaging” on page 7.)
Note: The system manager must have set the NBKPG (number of
backpages) parameter to allow the user to utilize this feature.
• Enter the next input line.
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