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Telnet Menu Options

The Telnet menu bar displays four menus: Commands, Edit, Options, and Help. They are described below.

The Help Menu

The Help menu contains the following menu commands:

Contents

Displays the Telnet help file.

About

Displays copyright, version and program information about Telnet.

The Commands Menu

The Commands menu contains the following menu commands:

Connect

The Connect item displays the Telnet Connect Host dialog box so you can specify the remote system you want to communicate with. You can also connect to a port or service to use other than the standard Telnet port. This is useful when the Telnet client is being used to access something other than a Telnet daemon.

This command is not available when you are already connected to a remote system.

Once you connect to the remote system, the title bar in the Telnet window shows the remote system name.

Disconnect

The Disconnect item ends the connection to a remote system so you can connect to another system or end your session. This command is not available when you are not connected to a remote system.

Interrupt Process

This command sends the Telnet Interrupt Process command (IP control function) to the remote host. This command (which suspends, interrupts, aborts, or terminates the operation of a user process) tells the host to stop the current process to which the terminal is connected. This function is frequently used when a user believes his process is in an unending loop, or when an unwanted process has been inadvertently activated.

Abort Output

This command sends the Telnet Abort Output command (AO control function) to the remote host. This command tells the host to run to completion the current process, which is generating output, but without sending the output to the user's terminal from the host. Further, this function typically clears any output already produced but not yet actually sent to the user's terminal.

Break

This command sends the Telnet Break command (BREAK control function) to the remote host. This command (intended to indicate that the Break Key or the Attention Key was hit) tells the host to stop what it is doing.

Are You There

This command sends the Telnet Are You There command (AYT control function) to the remote host. This command determines if the connection with the host is still up and the system is running. This command tells the host to send back to the user's terminal some visible evidence that the command was received. This function may be invoked by the user when the system is unexpectedly 'silent' for a long time, because of the unanticipated (by the user) length of a computation, an unusually heavy system load, etc.

Pause Output

This command pauses output (it sends Ctrl+S to the host). The Resume Output item then becomes active and can be selected.

Resume Output

This command resumes output (it sends Ctrl+Q to the host) after output has been paused.

Exit

The Exit item terminates the Telnet session.

The Edit Menu

The Edit menu displays two commands that allow you to edit the lines you type in a Telnet window: Erase Character and Erase Line. Also there are two standard commands, Copy and Paste, for text operations with the Microsoft Windows' clipboard.

Erase Character

The host should delete the last preceding undeleted character or print position from the data stream being supplied by the user. A print position may contain several characters which are the result of overstrikes, or of sequences such as BS ...

Erase Line

The host should delete all the data in the current line of input, i.e., characters from the data stream back to, but not including, the last CR LF sequence sent over the TELNET connection.

Copy

To copy text onto the clipboard, leaving the original text intact and replacing the previous clipboard contents, select the text you want to copy, and choose Copy. This command is unavailable until you have selected text.

Paste

When there is text in the clipboard, you can use Paste to insert a copy of the clipboard contents at the insertion point to the Telnet window, or to another Microsoft Windows application. This command is not available if the clipboard is empty.

The Options Menu

The Options menu displays two items: Settings and Keyboard mapping. You can choose them to specify particular (or nonstandard) implementations of Telnet. Normally they do not have to be changed.

The Settings Option

You can specify the terminal emulation settings for the current connection by making the appropriate settings on the Settings Option menu.

The Telnet Settings presents you with a dialog of four tab windows that allow you to view and modify the current terminal emulation settings: Keys, Text, Type, and User Defined. They are described below.

The Keys Tab

If Enter is pressed

Options in this group box define the end-of-line sequence sent when you press the Return or Enter key.

If Backspace is pressed

Options in this group box specify whether the Backspace key will be interpreted as Erase Character, Backspace, or Delete.

Add LF after CR received

This option allows you to modify (or not) the CR code received over the network.

Auto wraparound

If this check box is enabled, input text will be automatically wrapped on the next line when your string is too long (i.e., any characters received when the cursor is at the right margin will be displayed on the next line). Otherwise, input is stopped so you cannot enter more characters (i.e., any characters received when the cursor is at the right margin will be displayed just to the left of the right margin, replacing the current character displayed there).

Keyboard Layout

Options in this group box specify which keyboard layout will be used: PC layout or VT layout.

The Text Tab

You can specify the lines of text that you want to be retained in memory so that you can scroll through it in the window. Options in this group box let you specify the number of lines (24/36/48) and columns (80/132) that will appear in the Telnet window.

DRCS 8-bit

When this radio button is enabled, you define to work in the 8-bit environment and send the 8-bit control sequences and graphic characters (Multinational character transmission mode), including supplemental characters.

In this mode, you can download soft character sets from the host system into the terminal. The soft character set is also known as a dynamically redefinable character set (DRCS). This feature lets you design your own soft character sets for use with the terminal.

You can use the DECDLD control string command to down-line load one or more characters of a specified 94- or 96-character DRCS with a specified logical pixel pattern.

NRCS 7-bit

When this radio button is enabled, you choose to work in the 7-bit environment only. Select one of the 7-bit character sets from the National Replacement Character Sets (NRCS) pull-down list box to allow for country/region's replacement characters to be sent in the 7-bit escape/control sequences (National character transmission mode).

The following NRC sets are available:

ASCII
DEC Special Graphics
DEC Supplemental
British
Dutch
Finnish
Norwegian/Danish
Swedish
French
French Canadian
German
Italian
Spanish
Swiss

In VT100 mode, VT52 mode, or when 7-bit NRCS characters is selected (through Set-Up or the DECNRCM command), only ASCII, NRC sets, and DEC Special Graphic characters are available.

Default Font

Characters in the Telnet window appear in the specified font, size, and colors. Options in this group box allow you to change font parameters used to display text in the Telnet window.

Browse...

When you press this button, the Font standard dialog box appears. This dialog box changes the font, style, and font size of text displayed in the Telnet window.

Font

Type or select a font name. Telnet lists the fonts available for the various emulation modes.

Font Style

Select a style. You can italicize and bold any of the fonts listed. To use the default type style for a given font, select Regular.

Size

Type or select a size. The sizes available depend on the selected font. If the size you type is not available, Telnet chooses the closest available size.

Script

In the Script list box, select a desired font script.

Effects

In the Effects group box, choose Strikeout to put a dash through every letter on the screen, or choose Underline to underline all the text.

Color

In the Color list box, select a color for the text.

The Sample box changes to reflect your selection.

When you press the Background... button, the Color standard dialog box appears. You can define your color for your background. The Colors tab allows you to customize the color of your screen by emulating the color of the host's attributes. The colors you set in this tab are not altered by the colors settings you make in the Windows Control Panel.

The Type Tab

Terminal Refresh

This group box allows you to change values of parameters that control the screen buffer output and modify the characteristics of your keyboard.

The Time delay (msec) parameter sets the time interval (20...1000) that defines when to display lines with character(s) received.

The Screen Renovation Rate parameter sets the ratio (5%...100%) of screen changes (e.g. characters entered or modified) to full screen that defines when the screen area modified will be re-displayed.

Terminal Type

This option allows you to change emulation modes for the Telnet session by selecting one of the available modes from the Terminal Type list. The mode must correspond to that assigned in the TERM() command when logging in. Telnet adjusts your system so that your computer, keyboard, and terminal perform just as the specified terminal does. The modes are popular control sets used in terminals originally manufactured by Digital Equipment Corporation (DEC). If you are not sure which terminal to select, select VT-100 (ANSI escape sequences).

The User Defined Tab

This tab allows any functional key to be programmed with a user-defined sequence. User-defined keys (UDKs) are a subset of functional keys.

The UDK group box contains a list box with currently defined keys for a current emulation mode. This box allows you to map key symbols to the Unshifted, Shifted, Mode Switched, and Shift-Mode Switched states of the key. You can select a key symbol and then clear (with the Clear button), define or re-define its function value (in the Definition edit field).

You can use UDKs like a macro defined for a functional key: whenever you want to forward a user-defined control string to a host you press the key combination to activate the value. (Also see the List Assigned Functions dialog box in the Keyboard Mapping option below for already defined functional keys.)

Note: Some function key combinations are reserved by MS Windows and cannot be redefined.

Upon terminating Telnet sessions or pressing OK, UDKs are stored in the terminfo.ini file (in the emulation mode section; see Appendix B for details), so they will be defaults for the next session when the file will be read in.

Lock against future definition

Use this check box to lock/unlock UDKs listed against future redefinition (from a remote host).

Definition

This edit field is used to enter new control string codes for UDKs. The string can include any combination of escape sequences, control sequences, or text (without any separating character). The string should be in valid format for the terminal emulation mode. You can scroll the field left or right as needed to allow longer strings to be entered.

Set

This button assigns the value entered in the Definition field to the UDK currently selected in the list box (for the current terminal emulation mode). This key combination will activate the value whenever it is pressed.

Clear

This button removes a value for a currently selected UDK.

Clear All

Click this button to delete the mapping for all UDKs listed.

OK

Pressing OK saves current UDK settings and quits the dialog box.

Cancel

You can cancel any changes you made to the dialog box by clicking on this button.

The Keyboard Mapping Option

By using the Keyboard Mapping Option (i.e., keymap editor invoking), you can load, change (re-define keys and create a new keyboard layout), and save any keyboard definition file.

Keyboard files are text files that define the X Protocol Key Symbols (Keysyms) which are mapped to keys on your keyboard. By default, they have the extension KMF, and are located in the home directory. You specify the KMF file to be used by all ftpAxe's programs in the XSettings utility's window.

The keyboard mapping file format uses scancodes which allow the terminal to transmit make and break codes for each keystroke corresponding to the hardware scan codes used by PC keyboards (scan set 1). Make means when the key is pressed; break means when the key is released. The Keyboard Mapping File Format is described in Appendix A.

The Keyboard Mapping dialog box allows you to map Keysyms, Characters, or Compose Key Sequences to existing keys on your keyboard.

Keysyms is the encoding of a symbol to a key that exists on a physical keyboard.

Compose Key Sequences are key combinations to produce special Keysyms such as accented characters. These Keysyms are generated by typing two keystrokes. The first key is known as a composing key. Each Compose Sequence consists of two key combinations which generate a new pseudo key.

Modifiers are keys that modify the action of other keys. They are not to be confused with a Keysym. In X Keys they include Shift, Lock, Control, and Mod1 through Mod5. Mod1 through Mod5 are the logical keynames for modifier keys that vary from workstation to workstation. Caution should be used when assigning modifiers to latching keys (NumLock, ScrollLock, or CapsLock). Modifiers mapped to these keys should not be used to modify keys in compose sequences.

The upper portion of the Keyboard Mapping dialog box contains a standard keyboard layout. The currently loaded keyboard mapping file name and the terminal emulation mode are displayed at the top of the window.

On the KeyPad group box, the KeyPad layout is shown according to the PC Layout and VT Layout radio buttons states. You can toggle between them to change the KeyPad layout.

NumLock

If you enable the NumLock check box, the numeric keypad keys will work as they normally do on your PC (local latched mode). If this option is not checked, the behavior of NumLock is determined by the remote host.

Load

When you press this button, the Open standard dialog box to open files appears, allowing you to select and load a keyboard mapping file for viewing and modifying.

Save As

When you press this button, the Save As standard dialog box to save files appears, which allows you to save your current keyboard mapping under a new filename.

Select Function type:

On this list box, you can select one of the function types: XK_symbol, Character, or Composer to display all values available for it in the Function: list box.

Function:

On this list box, you can select a value for:

- assigning it to a key with the Set button
- modifying it with the Edit function... button.

If the Function type selected is XK_symbol, a list is displayed containing all of the XKeysyms available.

If the Function type selected is Character, a list is displayed containing all of the characters available (including accented characters) with its (decimal/hex) keycode pairs.

If the Function type selected is Composer, a list is displayed containing all of the Compose Key Sequences available.

Set

When you click a key on the keyboard layout, it appears in the Current Key group box with its current definitions:

- normal (unshifted/unmodified)
- shifted
- modified (with the Alt GR key).

When you have a value highlighted on the Function: list box (of type: XK_symbol, Character, or Composer) and a key selected on the keyboard layout, you can press the Set button to change current values assigned to the key and displayed on the Current Key group box to the new value (according to the radio buttons' states).

Undo

Use this button to immediately restore the previous key value every time you press the Set button.

List Assigned Functions

When you press this button, a dialog box appears that allows you to view a list of functions already assigned to functional keys (for the current terminal emulation mode). The list contains function names (X Keysyms), function values (code sequences), and comments on them.

Edit function

When you have a highlighted function of either the XK_symbol or Composer type, you can press the Edit function... button to change the value to define a new key sequence for the function (and current terminal emulation mode). The New value dialog box will appear on your screen.

The Function group box shows the currently selected function.

Value:

This edit field is used to enter a new string for the selected function. The string can include decimal codes (in the range of 0...255) separated with the comma character (as in the List Assigned Functions dialog box). The string should be in valid KMF format described in Appendix A.

Preview:

This field displays a comment value for a selected function.

Comments:

Use this field to enter a new comment for the function you define.

Set

This button stores new values you entered and exits the dialog.

Cancel

You can cancel any changes you made to the dialog box by clicking on this button.

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