HP Integrity NonStop J-Series - Manual (Page 164)

USING AN ENABLE APPLICATION
Getting Started
Cursor Positioning for IBM 327x and T16-651x Terminals
Multifile applications and applications that access multiple
records use the cursor position to determine which box or
record an operation applies to. When using IBM 327x and
T16-651x terminals, the cursor may be positioned outside of
the screen fields recognized by the application. When this
happens, the application attempts to locate the record to be
affected by the following rules:
1. If the cursor is not positioned in a screen field, the
application assumes that it is located in the next screen
field (down and to the left) of the display.
2. If the cursor is positioned after the last screen field, the
application assumes that it is located in the box and record
image where the previous operation took place.
3. If no operations have yet been performed, the operation
applies to the first record image in the outermost box.
GETTING STARTED
When the ENABLE screen appears on your terminal, you can begin
operations. The application initially places the terminal cursor
in the first character position of the first field. You can move
the cursor to the first character position of the next field by
using the TAB key. When you fill a field with characters, the
cursor automatically moves to the next field with the
exception of key fields. On the T16-652x, T16-653x, and
IBM-327x, the cursor does not move to the next field when you
completely fill a single key field, the last field of a group key
field, or the last field in a nested box.
The following paragraphs describe the operations that you can
request to read, insert, delete, or update records. A table at
the end of this section provides a brief summary of each of these
operations and identifies the function key associated with each
operation.
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