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Emulation Tab for IBM 3151 Terminals

How do I get to this dialog box?

  1. Open a VT terminal session and then open the Settings dialog box.

    The steps depend on your user interface mode.

    User Interface Mode Steps
    Ribbon or Reflection Browser With a session open in Reflection, from the Quick Access Toolbar, click .
    TouchUx Tap the Gear icon and then select Document Settings.

  2. Under Terminal Configuration, click Select Terminal Type.

  3. Under Terminal Type, under Other, select IBM 3151.

  4. Under Terminal Settings, click Terminal Setup.

IBM 3151 Emulation options

Host character set

Select a character set to load as the default when a soft reset is performed; or when you invoke the DECSTR sequence. The Host character set may also be specified by the Select Character Set (SCS) sequence.

PC character set

If you need the DOS character set for file transfer or printing, select DOS from this list.

Insert Character

Select the way you want the INSERT key to behave.

Select To cause the INSERT key to
Insert Space Insert a Space character.
Mode Toggle Toggle between Insert mode and Replacement mode.

Tab

Select the way you want the TAB key to behave.

Select To move the cursor to
Column The next tab stop.
Field The next field of a formatted screen.

Received LF

Select how you want a received line feed to be interpreted: as a line feed (LF), or as a carriage return followed by a line feed (LFCR).

Online

Select to have Reflection function as a terminal (also called "remote mode").

Clear this option to enter local mode. In local mode, Reflection does not attempt to communicate with a host computer. Characters entered from the keyboard appear on the screen, but are not transmitted to the host; nor is any data received from the host (for example, notification of a mail message).

This value is not saved with your session document.

New line

Select to send both a carriage return and line feed when you press Enter (known as new line mode). When Reflection receives a line feed, form feed, or vertical tab, it moves the cursor to the first column of the next line. When this option is cleared (linefeed mode), the Enterkey sends only a carriage return. A line feed, form feed, or vertical tab received from the host moves the cursor down one line in the current column.

If lines on the display keep getting overwritten (that is, the host is not sending a line feed along with a carriage return), select this option. If this option is selected, but the host does not expect to receive a line feed with each carriage return, lines are double-spaced on the display.

Autowrap

Select to make characters wrap to the next line automatically when the cursor reaches the right margin of the display.

This setting is different from the VAX host's terminal wrap characteristic, which is set with the following DCL command:

SET TERMINAL/[NO]WRAP

The host command determines whether characters wrap automatically when they reach the maximum terminal width set by the host's SET TERMINAL/WIDTH command (instead of using the right margin of the display, like this setting).

  • If terminal wrap is set on the host, characters wrap when they reach the maximum terminal width, regardless of whether Autowrap is selected.

  • If terminal wrap is not set and Autowrap is cleared, new characters overwrite the character at the right margin until a carriage return is entered.

Advanced

Click to open the Advanced Options dialog box, from which you can configure advanced options for this terminal type.

More information