10 Rocket Model 204 Terminal User’s Guide
Line-editing characters
prompting information as well as areas in which the user enters data. For
example:
FILL IN FOR NEW EMPLOYEE
NAME:
STREET:
CITY:
STATE:ZIP:
AGE:SEX:
SPOUSE’S NAME:
In this example, each prompt is followed by an input area. The user presses the
tab key on the terminal to move between input areas, filling in data. The user
can tab backward or forward on the screen, entering and correcting data. When
the entire screen is filled in, the user presses the ENTER key or a PF key and
the data is transmitted from the terminal. The prompts are protected and cannot
be modified by the user. Pressing the tab key automatically positions the user
at an input area.
Although the full-screen feature is designed to utilize the full-screen capabilities
available on 3270-type devices, User Language requests that contain full-
screen statements also can run on line-at-a-time terminals such as Teletypes.
Line-at-a-time terminals print all screen inputs and outputs on a line-by-line
basis, as described in the Model 204 User Language Manual.
Backpaging screens and menus
The Model 204 backpaging feature can be used to store and retrieve screens
and menus that have been defined by the full-screen capabilities. (For more
information about the backpaging feature, see “Backpaging” on page 7.) When
a backpage is displayed, any display attributes (such as BLINK or BRIGHT)
that originally were specified for fields on the screen are lost. Any input values
shown on the screen indicate final values entered by the terminal user, and they
reflect any changes in response to validation errors. When a backpage that
contains a menu is displayed, the display does not show the menu selection
made by the terminal user.
Line-editing characters
Every terminal provides special keys that can be used for line-editing functions.
On many terminals:
• At sign (@) backspaces and erases the most recently entered character. A
series of @ symbols can be entered to delete successive characters in the
input line.
• Pound sign (#) deletes the current line from the beginning of the line to the
most recently entered character.
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