SECTION 3 " RT1100 Radio Terminal
3-2 VT220/ANSI Terminal Emulation Programmer’s Reference Guide
The default is 9 lines and 16 characters. To change the
screen size, open the firmware and then select the following
options in this order: LCD PARMS, SCREEN SIZE.
Screen Modes
The radio terminal has these screen modes: center cursor,
corner, page, lazy, screen lock, screen lock, and locked. The
modes present a window onto a standard VT220 terminal’s
80-character by 24-line display buffer. You can set the type
of screen mode through the radio terminal’s firmware
menus.
The screen modes govern which portion of the larger VT220
terminal’s screen the radio terminal first presents and how
the window moves as the cursor moves.
Center Cursor Mode
Center cursor mode works best for applications that use the
entire VT220 data stream’s 80-character by 24-line logical
display. In this mode, the cursor remains in the center of
the radio terminal’s window.
As the cursor moves within the window, the radio terminal’s
display window moves to keep it centered. When the cursor
moves off the right, left, top, or bottom edge of the VT220
terminal, the window remains fixed despite the cursor’s
movement.
Corner Mode
Corner mode begins with the window in the upper left cor-
ner of the larger VT220 terminal. It keeps the cursor in the
lower right corner of the display. Corner mode works best
for applications that use the upper left corner of the logical
screen.
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